If asked which is the best and fastest way to convert and compress a large number of video files each over 1GB, I would say just to convert video to MP4 using both CPU and GPU acceleration, taking the advantage of Intel QSV, Nvidia CUDA/NVENC or AMD. This time we will primarily talk about GPU accelerated video encoding technology, followed by presenting a fastest CUDA video converter.
Firstly, what is CUDA or what is GPU acceleration? CUDA, a parallel computing platform made by Nvidia, uses GPU hardware to perform accelerated interconversion of video file formats, which consequently releases your CPU. In fact, both QSV and CUDA/NVENC belong to GPU acceleration.
"I'm searching for FREE CUDA optimized video converter. I'm currently using Format Factory, it's kinda slow. I read that CUDA video converting is 5X faster." Format Factory is a freeware well-known for being multifunctional, converting DVD video using multi-thread, however no GPU acceleration is available. It is true that how fast you can convert a 4K (4K H.264/HEVC/AVC) video depends on not only the computing power of your device, but also the video converter software. That's why WinX HD Video Converter Deluxe stands out, being a fastest CUDA/GPU video converter, enabling users to make full use of their computer's GPU hardware.
Firstly, you should have a qualified computer, which allows you to exert CUDA/NVENC or QSV. Have no idea how to check if your computer supports CUDA or not? Just open WinX HD Video Converter Deluxe, click "Hardware Encoder" and you will see. Then follow the next instruction of how to convert video with a fastest CUDA converter.
Free get WinX HD Video Converter Deluxe for Windows or Mac based on your need, and then double click the downloaded .exe/.dmg file to follow the setup wizard and finish the clean installment. The next steps are an example of how to convert MKV to iPhone X/8 using GPU acceleration.
* Open the program and click "+ Video" button.
* Now, for example, choose a local 4K movie file in MKV and click Open to get it fully loaded. Or you can just drag and drop a file in the main interface to load the content.
There pops up the Output Profile window. Go to the Devices Profiles, click Apple Device -> to iPhone Video, followed by selecting iPhone X (H264) or iPhone 8, Plus (H264) and click "OK".
To turn on the hardware acceleration, please check the Intel or nVIDIA box and then hit button "RUN" to start converting MKV to iPhone X (H.264) at a lightning speed using the fastest CUDA/GPU accelerated video converter.
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[Test] Convert MKV to MP4 using CUDA/GPU Acceleration |
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| WinX HD Video Converter Deluxe | Movavi Video Converter | Any video converter | Wondershare Video Converter Ultimate | Freemake Video Converter | ||
| Version | v5.9.8 | v17.2.0 | v6.0.7 | v9.0.0 | v4.1.9.52 | |
| Time | 10 min | 1 min/41 min | 12 min | 39 min | 27 min | |
| Output Video | 1280x720 (16:9) | 1280x720 (16:9) | 320x240 (4:3) | 1280x720 (16:9) | 1280x720 (16:9) | |
| Equipment for the test: Windows 10 Pro; Intel(R) Core(TM) i5-6200U CPU; 8GB RAM; 64-bit OS | ||||||
Fastest video converter to convert MP4, MKV, HEVC or others!
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