DirectX provides access to the capabilities of your display and audio cards, which enables programs to provide realistic three-dimensional (3-D) graphics and immersive music and audio effects. Vulkan mampu memberikan hasil yang unggul signifikan. DirectX 11 FPS Benchmark – 4K Ultra. 5 also has the usual assortment of fixes: Full Vulkan support, also for Android now. RELATED: One can say that DirectX allows the software to better communicate with the hardware, allowing developers to better optimize their. Note : le jeu est encore en early. RE: Vulkan don't show up in the "Backend" list. DirectX 11 is always a safe pick if you're unsure of the specs of your PC. Post: #1. Edit 2: Used a ppsspp. Vulkan Or Direct 3d For Ppsspp Reddit Pc; Vulkan Or Direct 3d For Ppsspp Reddit FreeA PSP emulator for Android, Windows, Mac and Linux, written in C++. Reload to refresh your session. 3. Vulkan has a good support too, Windows, Linux, newer Android devices. org / PPSSPP - Playstation Portable Simulator Suitable for Playing Portably / Builds, releases and portsOpenGL - more accurate in many games. ago Under GPU Version it says: OpenGL ES 3. We should thank Larian Studios for letting us choose Vulkan or DirectX when launching BG3. No point in porting to two next-gen APIs, and Vulkan will be supported by both Android and Windows. 79 GHz, 32 GB 3200MHz 15-18-18-34 1T Running on Windows 10. ago. 3 came with many interesting news, among which we can mention the possibility of recording games, support for the Samsung Galaxy S7 or the iPhone running iOS 9 or later, support for the Vulkan API in Windows or a support improved for 64bit Android TV and Raspberry Pi systems. First check Dota2's DLC Settings and see is Vulkan if installed. There are a few reasons to why this is. They also enabled a shader cache for Vulkan too, which should help smoothen a few games out. vulkan vs DirectX . This is the latest and fastest API currently. You lose some of the pretty bits that are there with DX12, while rendering in supposedly higher performance. It's wild. Current time: 11-17-2023, 11:17 PM Hello There, Guest! (Login — Register). 6? See the news! The source code can be downloaded from Github. Software renderer is worth mentioning as opposite to some older emulators in PPSSPP it exists mostly for testing hardware api's issues and it's often the least accurate(and awfuly slow), should not be used for playing. 6" - i7 7700HQ, 16GB RAM 2400MHz, 512GB NVMe SSD, 1050Ti, 4K touchscreen. For PCs with higher-end specs, Vulkan may not have any noticeable performance drops, but may exist for lower-end spec PCs. It's not only somewhat slower but also broken visually for most games. But on RDR2 (especially RDO) Vulkan less lag during gameplay. Vulkan is an open standard like OpenGL, not a proprietary one. Please let me know in the comments! OpenGL is the most stable option, Vulkan the most efficient. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright. As well both Vulcan and DX12 are better at utilizing. Since you're using Launchbox, you can use the --appendconfig CLI switch to add a config. I've got a 3080 and in Serious Sam 4 DirectX 11 results in graphical errors (particularly around item pickups), DirectX 12 doesn't work at all, and Vulkan seems. " Fair enough. vulkan vs DirectX . The only exception is Apple devices, but can run by using MoltenVK, I just don't have enough knowledge about it. ex : I have 8gb of ram (8192mb) 8192 x 1. The's an old adage that you have to. If you tried PPSSPP in the past but were disappointed by the performance, it. 6FPS. Here is what we recommend: If your PC has an AMD or Intel GPU, use Vulkan. With DirectX 12, Microsoft resolved that problem by building support. If you are running an Nvidia GPU, the game seems to run better on DirectX 11 which delivers 6-13% higher frame rates than Vulkan. Originally posted by TheBlasterMaster™: Originally posted by Pandoron: When you calculate both up to 100% GPU, DX11 is actually faster than Vulkan. The upside to OpenGL and old DirectX 11 is that they give developers a library of different ready-to-use routines that are reasonably easy to use. I have a problem using Vsync with games/softwares that use the Vulkan API. Since you have an AMD GPU, Vulkan is your best bet. 3 specification was released today, incorporating and mandating proven, developer-requested. Hi, I did quick benchmark of Counter Strike 2 which uses DirectX 11 graphics API by default vs Vulkan API vs CSGO. 1% lows when compared to the Vulkan API. and vulkan good performance but crashes. " Fair enough. It even has some mechanisms for interacting with Vulkan semaphores and the like. Windows, Linux, and Android all natively "speak" Vulkan, and even macOS/iOS can use it via a free library. forums. 4. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. It was posted that those using DX12 or Vulkan Graphics are expected to see Game Performance Improvements . With DX11 even with 8700k i got 45fps in big cities and gpu usage to 70%. is vulkan better than DirectX? vulkan vs DirectX . OpenGL has accumulated some cruft over the years, it's very easy to use something that shouldn't be used on modern GPUs. . Windows Vista or later is required, Windows 7 or higher is recommended. As usual, the Android version will be rolled out gradually, you'll see it in the Play Store. - 2021 Volvo S60 Recharge T8 Polestar Engineered - 415hp/495tq. more advanced PCs fewer performance drops may not even notice optimal way to experience. ),vulkan is buggy on mac,open gl is flipping useless. AMD Radeon™ HD 8000 Series graphics for OEM systems (HD 8570 and up) AMD Radeon™ HD 7000M Series graphics for notebooks (HD 7730M and up) AMD E1-2000, E2-3000, A4-5000, A6-5000, and A4 Pro-3000 Series APUs. Though it is still very early compared to d3d11, so it will take a while to get to the same maturity and stability (assuming they don't screw up. PPSSPP. With a GTX 980, 2600k. OpenGL 4. DX12 is a completely different API, and is very similar to Vulkan. アップデートによりVulkan APIへの対応を果たした『 ゴーストリコン ブレイクポイント 』。Ubisoftによると「VulkanによってCPUとGPU双方の負荷を下げられる」とのこと。 DirectX 11とVulkanとでどれくらいの差があるのか。最高設定でのDirectX 11 vs Vulkan対決をどうぞ！ vulkan vs DirectX . AMD cards especially used to excel at. In theory, that should translate to performance gains across all platforms. DLSS and Vulkan. ago. I'd recommend trying vulkan first with low setting for that spec. When launching Baldur's Gate 3, you are faced with the choice of playing with DX11 or Vulkan mode. 1+). vsync does not affect the result. Reputation: 154. Game quality settings set to highest; DOF, motion blur, and bloom off. GL is the most compatible. 08. For most users, Vulcan is preferable as it provides a better experience than DX11. yep, my game just closes itself when harvesting 3 fields. srdjan1995 Senior Member. Sometimes the abstraction layer prevents you been to do things with or to the hardware you'd like to be. Since Vulkan is an AMD technology and they (obviously) optimise their drivers for it (and to an extent the hardware) this often means that the same thing using DX11 vs Vulkan on an AMD card sees a significant performance boost. Other major. Takedown request View complete answer on hwrig. 3 Specification. Microsoft’s DirectX is exactly the same as Vulkan, a platform for creating all kinds of 3D applications, however, there are two very important differences between the two. Using an Nvidia GPU, Vulkan or DX11 would be your best bet, with Vulkan being used to get maximum CPU performance. The best way to find which API you should use is by trying them both out. Compared to OpenGL and. Henrik Hrydgard; The PPSSPP core is licensed under. As for the other renderers for me from previous experiences: DirectX 11: nigh unplayable due to huge framerate variability (probably due to somewhat lopsided hardware — very old CPU, new graphics card). However, if you are using a powerful system and you. vulkan vs DirectX . OpenGL is also more supported on Linux iirc. Vulkan has been known to experience crashes or visual bugs, which can affect gameplay in unintended ways. #4. ago. DirectX 11 is always a safe pick if you're unsure of the specs of your PC, as it's an older API with a lot of age and stability behind it. The latest patch introduces the Vulkan API to our favourite Viking survival game. Vulkan has been proven to have better performance than DirectX 11; however, this vastly depends on your computer's components. It is most recommended for demanding less of your CPU, thus being the fastest. Fix assorted Android "scoped storage"-related bugs and performance issues (#15237, #15487), etc. org / PPSSPP - Playstation Portable Simulator Suitable for Playing Portably / Developmentforums. Then, when I restarted, that first load into the main menu would take like 5 minutes. Open GL is just for 2D and 3D. anyway, vulkan (or dx12) is probably only give performance boost on multi-core rendering, not sure whether it will give much improvement on PSP emulation. In my recent experience, PPSSPP does better with vulkan BUT it does seem to be device and game dependant. turbocharged, supercharged and electrified. optimistici generalization with a zillion parameters for something that can only be done with one single particular magic combination of parameter. You should test both and choose the one that works best for the game you want to play. 16. 7. And no, DXVK can't be used with every game, the reason why old games. Recently, with the advent of the new low overhead APIs - whch is a major turning point for graphical programming - there are DirectX 12 for Windows and XBOX, Metal for iOS and Vulkan (the new OpenGL) for Windows and Linux (including Android and Tizen). Vulkan targets high-performance realtime 3D graphics applications such as video games and interactive media across all platforms. 21,061. Yeah, i forgot about Vulkan. Lenovo 720S Touch 15. Vulkan is an implementation of a graphics API standard developed by the Kronos group. Microsoft DirectX 11 is a group of technologies designed to make Windows-based computers an ideal platform for running and displaying applications rich in multimedia elements such as full-color graphics, video, 3D animation, and rich audio. Vulkan Graphics. For me Vulkan is lagfree while DX12 is prone to lagging. Vulkan Vs DirectX 11 . On Resident Evil 4 Wii Edition, I’m getting a static line running the width at of the bottom of the screen. Rainbow Six Siege and World War Z have Vulkan and DirectX 11 available, and Vulkan is still faster at 4K and 1080p. Peet Aug 3 @ 11:21am. I forgot NVidia's OpenGL have some performance issues with ubershaders (this is a new option that helps avoid microstutters if your GPU is strong enouth). Because there is a lot of work to do to make a good reliable game engine. 5. #2. On Windows you have DirectX 11 and 12. * OpenGL accuracy is 10 times better than Dx. 4万 100. Vulkan was the default API during Early Access,. 7. More PC games than ever allow players to choose between DirectX 12 and Vulkan. Operasinya juga hanya bisa diselesaikan secara berurutan. I tested on opengl v140 and v331 and vulkan 1. Since Directx 12 is a Microsoft technology I would expect it to be needlessly complex compared to a cross platform library like Vulkan. I once experienced some hard flashing lights during Sirus once but other than that no difference for me. You should use Vulkan in general, and OpenGL if you encounter issues. However, OpenGL might offer slightly better performance on older devices. What is the difference between Vulkan and DX11. Both chips were turned to the highest scaling possible to. PPSSPP 1. 5 - Vulkan is here! 1. Post: #1. DirectX 11 for Baldur's Gate 3. PCSX2. Once you boot up the Baldur’s Gate 3 launcher, you’ll have to decide between using the Vulkan or DirectX 11 API. I get 1-3 crashes per hour with DX11, sometimes more, and the framerate progressively drops more and more as time goes on. O DirectX 12 é mais difícil de desenvolver jogos, mas a API existe há mais tempo que o Vulkan e pode ser mais familiar para os desenvolvedores. However with older graphics like yours, it may not be compatible even if it's available. Vulkan Or Direct 3d For Ppsspp Reddit Pc Vulkan Or Direct 3d For Ppsspp Reddit Download When it comes to development for consoles, developers have single hardware for a particular brand (PlayStation, Nintendo, Xbox, etc): single processor, single graphics card, a particular or same memory, same control input system, and other identical hardware. DirectX is primarily supported on desktop devices, while Vulkan is cross-platform and works on both desktop and mobile devices. DirectX11 seems to operate better than Vulkan. Seemingly out of nowhere about 2 months ago all directx 11 games I play crash within ~1 min of being played regardless of how high the settings are. DirectX is also an API, but it is focused on Windows. The PSP emulator, PPSSPP [Official Site], recently had a pretty big release which now defaults to Vulkan as the main renderer. If you do in vulkan, will run, but you will waste too much time learning it. PPSSPP's Vulkan renderer can be used by setting RetroArch's video driver to vulkan. Realized the bug can be solved if I use Direct3D11 mode, which is tested in PPSSPP program itself. In case it's not just try a different one. The version of DirectX you choose to use when gaming on a PC can make a significant difference in performance. Since Vulkan was added,OGL was left behind and more work is done on Vulkan because vulkan offers better results and it is also not windows only and it is good for amd gpus too. ago. Once you boot up the Baldur’s Gate 3 launcher, you’ll have to decide between using the Vulkan or DirectX 11 API. Vulkan, D3d11, OpenGL, D3d9. You can check on the other app if you want. 5. For example, in Tales of Phantasia X - on a powerful desktop with a decent video card - OpenGL slows down when entering battles. During heavy workloads you will have 50% less FPS with. . No, Vulkan is open-source, while DirectX is proprietary. DirectX: Platforms. org / PPSSPP - Playstation Portable Simulator Suitable for Playing Portably / DevelopmentInformation gathered by the press and players seems to suggest some graphics cards work better with DirectX 11, while others with Vulkan. AMD's drivers are also way better optimized for Vulkan than OGL, and DX11 performs OK. This can include better frame rates and advanced visual effects. Another new release! As usual, lots of nice compatibility fixes, performance improvements, and so on. Please let me know in the comments! OpenGL is the most stable option, Vulkan the most efficient. DirectX 12 или Vulkan — что лучше в играхМногие современные игры при запуске в Windows предлагают выбор между двумя. Use DXVK in odyssey. Subscribe. Erik | 24. Software like Dolphin,PPSSPP and RetroArch get constant tearing issues that I dont get with other API's like Directx 11 or 12. Vulkan has been proven to have better performance than DirectX 11; however, this vastly depends on your computer's components. Want to contribute? Join. I don't know if it depends of the game. Android 10 and up with vulkan used by newer ppssp build runs perfectly to me. Subscribe for more VideoPSP emulator PPSSPP received support for the Vulkan graphics API. Post: #2. here is a video about your exact question regarding dota 2:มันไม่มีเหตุผลอะไรเลยที่เราจะต้องสร้างเกมให้มีส่วนเกี่ยวหรือยุ่งเกี่ยวกับ DirectX 12 เพราะว่า Vulkan เป็น API ที่มีความเหนือกว่า. Because there is a lot of work to do to make a good reliable game engine. At launch, DirectX 12 actually showed slightly lower performance than DirectX 11, mainly on the back of its complexity. 9 minutes ago, williamcll said: Confirmed by the developers themselves, DBH will use Vulkan exclusively. Why in the world is Android the main focus for Vulkan ,what a silly idea. Vulkan is a more direct connect to hardware (bare metal), thus it has less overhead to manage and control 3D in the game directly. ¡Descargalo YA!Descarga: ‿‿ ｡)づ REDES SOCIALES. With an AMD GPU, DirectX 11 and Vulkan run nearly identically. Traditionally with DirectX 9 and. when there is dx11 support. To get another analogy consider "Assembly vs C++" for now. Did some short benchmarks to compare DX vs Vulkan performance today, and it would seem that Vulkan is the way to go if you want more frames. 5 - Vulkan is here! 1. The Vulkan 1. 1) On your keyboard, press the Windows logo keyand R at the same time to start the Run box. Â. Post: #1. Thus far, DirectX seems to provide better performance than Vulcan, which, in reality, is not so far behind. 4FPS compared to DirectX’s 270. Post: #1. PPSSPP, a Sony PlayStation Portable emulator for Android devices, is one of. Để dễ hiểu thì. OpenGL works via ICD interface, with is also taken advantage for Vulkan drivers, which doesn't work either on UWP or Win32 sandbox model. Joined: Jun 2012. The visual glitch appears in there too. Joined: Aug 2023. acoeyarmyDirectX 12 in PPSSPP? 11-15-2015, 01:36 PM . So as long as it doesn't kill performance, OpenGL is the better choice. 1-dev. Current time: 11-17-2022, 04:03 PM Hello There, Guest! ( Login — Register ) forums. 1 which not many device have it at the moment. It is most recommended for demanding less of your CPU, thus being the fastest. Vulkan Vs. I've tried reinstalling windows with an older version of the GPU driver, underclocking, running games in compatability mode,. What is PPSSPP? PPSSPP is a PSP emulator on which work was started back in 2012 by Henrik Rydgård, a co-founder of Dolphin emulator. Comments. With more recent hardware you can (and want to) use DirectX 11, OpenGL 4, OpenGL ES 3. You can check on the other app if you want. Nvidia GPUs generally perform better with DirectX 11, providing higher frame rates and smoother performance. Click set, ok, apply, restart pc. This is terrific if maximizing performance is your objective and you have the in-house technical expertise (and budget) to use them. Nvidia graphics cards. Vulkan should be faster on AMD cards. be. Vulkan is a way of speaking directly to the GPU, whereas OpenGL is a way of drawing graphics to a display device. Vulkan offers a more balanced CPU and GPU resource usage than DirectX, particularly in the context of Direct3D 11 and Direct3D 12. is vulkan better than DirectX?Reputation: 35. #4. They work much better on NVIDIA cards because the NVIDIA driver forces a game's rendering into multiple threads, whereas the AMD driver doesn't. Biasanya, standar yang lebih tua seperti DirectX 11 dan OpenGL memiliki proses otomatis alokasi memori di GPU, sedangkan teknologi Vulkan memberi pemrogram kontrol yang lebih besar lagi atas perangkat kerasnya, yang berarti pengembang memiliki fleksibilitas yang lebih besar dalam berinteraksi dengan GPU dan CPU. #4. Today, The Khronos Group, an open consortium of industry-leading companies creating advanced interoperability standards, announced the latest updates to Vulkan, the cross-platform 3D graphics API and its ecosystem. Performa yang ditawarkan Vulkan dalam bermain game hampir 2 kali lipat dari OpenGL. A game can be built fully in DirectX but not in Vulkan,. youtu. I actually recommend Direct3D 12 or Vulkan because they can improve performance on lower end hardware due to the lower CPU overhead. We generally recommend you use Vulkan, the default Graphics API. DirectX 11, DirectX 12, Vulkan 뭘 써서 개발해야할까? 요즘 게임 개발을 하는데 바로 저수준 그래픽 API를 사용해서 개발하는 경우는 별로 없을겁니다. But what do these even mean? Well, Vulkan and DirectX are cross-platform API (application programming interface) standards for computer graphics. srdjan1995 Senior Member. org / PPSSPP - Playstation Portable Simulator Suitable for Playing Portably / General Discussion and AnnouncementsVulkan and Directx 11 Baldurs Gate 3. Now I c. Vulkan is a cross-platform 3D graphics and computing API that is meant for high-performance 3D graphics applications focused on modern hardware. Compatible with both 32-bit and 64-bit Windows 10 OS. Testing performance for PPSSPP emulation across Vulkan, Open GL. druida Jun 22, 2021 @ 9:43am. Directx 11 more performance and zero stuttering. Force real clock sync on does not affect the result. * Various Vulkan performance improvements (like #10911) and memory allocation fixes. Download. Vulkan supports Linux, Windows, and Mac, while DirectX is exclusive to Windows. Vulkan has slightly more concepts. E se o seu computador consegue rodar um jogo sem problemas no DX 12, não há motivo para. Post: #1. Vulkan typically excels in terms of raw performance. Vulkan presents a potential performance increase over DX11 in most cases, though may be slightly less stable for now. There's 3 distinct things in your question: Vulkan, DX11 and DX12. If you do in vulkan, will run, but you will waste too much time learning it. PPSSPP. ppsspp. Developers have have to do a lot more manually in Vulkan, and many of the cases that get the best performance boosts in Vulkan are things like drawing scenes with lots of objects. Smae goes for PPSSPP , Vulkan is better in performance but due to his more recent construction it 's possible it could have some glitchs. Since Vulkan is an AMD technology and they (obviously) optimise their drivers for it (and to an extent the hardware) this often means that the same thing using DX11 vs Vulkan on an AMD card sees a significant performance boost. DirectX Windows10 version enables best quality games and multimedia. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. For Example: DirectX being the main graphics API, but fallback to OpenGL if the user isn't using Windows. Requirements¶ OpenGL/Open GL ES 2. Vulkan should be faster on AMD cards. First, it may be. 1, same device. Back then i could switch the backend to Vulkan and just play, but later i changed something in the settings and Vulkan disappeared. DirectX 11 vs DirectX 12 游戏性能测试对比视频 测试配置为GTX1066+I5-7600K+16G 1080P. 16. 1, same device. . vulkan vs DirectX . Of course, running a game in DirectX 12 or Vulkan would work much better. OpenGL VS Vulkan. pedrocx486 on May 9, 2020 | parent | next. nVidia cards so far have shown less of a boost going from DX to Vulkan though whether this is because the nvidia. PPSSPP 1. Like, if you make a game directly in directx won't work in linux (linux users can use proton/wine to run, but native is 10 times better) and mac automatically. 8 and Mesa 12. Vulkan has a lot of great resources, vulkan-tutorial. With the OpenGL results, the performance between Windows 10 and AMDGPU-PRO on Linux were close to the same. Vulkan has a good support too, Windows, Linux, newer Android devices. It was first released to the public on. 2. Test On xiaomi redmi note 3 pro Android 8. Just as the others say, it's best that you try what's available and see which one runs best. Open GL is the most traditional and stable solution, Vulkan is more new, unstable and usually is a. OpenGL yang kita kenal selama ini ternyata pada awalnya didesain untuk single-core cpu, alias cpu ber-inti tunggal. However. Biasanya, DirectX 12 akan memberi Anda pengalaman bermain game yang lebih baik. 106. srdjan1995 Senior Member. Supported on many modern Android devices, and if enabled (change Backend in Graphics settings) you will see a massive speed boost. cpp","path":"GPU/Directx9/DrawEngineDX9. Developers have have to do a lot more manually in Vulkan, and many of the cases that get the best performance boosts in Vulkan are things like drawing scenes with lots of objects. Secondly, DirectX is better if you can stick only to Windows. Try it out. PPSSPP, and PTWOE are some of the best PS2 emulators for android. Tanto DirectX 12 como Vulkan 1. The only differences between them are how they interact with your PC hardware. org / PPSSPP - Playstation Portable Simulator Suitable for Playing Portably / DevelopmentComments (11) (Image credit: Gunnir) According to a recent Intel Q&A, the company confirmed that driver optimizations for Arc GPUs -- relating to poor performance in DirectX 11 and 9 games -- is. When starting the game, you will be prompted between choosing Vulkan vs. (08-29-2018, 11:45 PM) Admentus Wrote: DirectX 11 is still faster with with compiled ubershaders on a NVidia GPU, but Vulkan isn't that bad actually. Vulkan supports basically everything it can (non proprietary to an OS for the win) and due to that it evolves at a faster pace and can have an immediate higher adoption rate then any DirectX could. On vulkan you may face CTD sometimes! DX11 is the most stable api for this game. >>>>> DOWNLOAD: Download directx for ppsspp PPSSPP - PSP emulator para PC / Mac / Windows 11,10,8,7. One of the key improvements is a reduction in draw call overhead, which is the delay inherent in the CPU asking the GPU to render something. is vulkan better than DirectX? Reputation: 35. Closed. Vulkan Vs Directx For Ppsspp Reddit Pc; Play your PSP games in HD! PPSSPP can run your PSP games on your PC in full HD resolution, and play them on Android too. PPSSPP. DirectX 11 is still faster with with compiled ubershaders on a NVidia GPU, but Vulkan isn't that bad actually. Vulcan is more like DX12 than DX11. Biasanya, standar yang lebih tua seperti DirectX 11 dan OpenGL memiliki proses otomatis alokasi memori di GPU, sedangkan teknologi Vulkan memberi pemrogram kontrol yang lebih besar lagi atas perangkat kerasnya, yang berarti pengembang memiliki fleksibilitas yang lebih besar dalam berinteraksi dengan GPU dan CPU. Should '-dx11', '-dx9', '-opengl' or '-gl' already be present in the command line, make sure the remove the respective entry and replace it by '-vulkan'. Both have been relatively slow burners so far, with. Vulkan is the present and future of graphics, at least on some platforms. では、 実ゲームでの. 3 came with many interesting news, among which we can mention the possibility of recording games, support for the Samsung Galaxy S7 or the iPhone running iOS 9 or later, support for the Vulkan API in Windows or a support improved for 64bit Android TV and Raspberry Pi systems. Using Vulkan can result in a noticeably higher frame rate for many games, but DirectX 12 tends to provide a more stable experience. Usually, DirectX 12 will give you a better gaming experience. Or sometimes the app just crashes. Vulkan is well known for being extremely verbose. for older ppsspp version opengl was better. Actually performance wise there is no reason dx12 > Vulkan. * DX11 would be a bit faster if you're GPU limited.