Tag Archives: Nvidia CUDA/NVENC

Fastest H.264/H.265 Encoding Software Powered by NVIDIA/AMD

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1080P has been the past, 4K has gradually dominated the market nowadays, which can be available on almost any video sharing site like YouTube, Vimeo, Dailymotion; and be accessible from your daily used devices like camcordor, iPhone X, iPad Pro; captured by DJI Mavic Air or other models. 4K UHD is near perfect except for two thing – large-sized file and bandwidth consumption. That might make you quite headache when you need to upload the 4K video to social network for sharing, or compress and convert 4K video for further use (play, edit, share). What a time-comsuming task.

Fortunately, the time-consuming chore stands a good chance to become a time-saving task as long as you have got a cutting-edge GPU accelerated video converter, which can help you process and convert 4K UHD video to H.264/H.265 video with 30X faster speed. Then which 4K video converter supports GPU hardware acceleration? And how to use it? Calm down, what you want to ask, you can get answes for all of them.

Try GPU Hardware Accelerated Video Converter – Pavtube Video Converter Ultimate

Pavtube Video Converter Ultimate takes full advantage of NVIDIA CUDA tachnology and AMD Accelerated Parallel Processing (APP) to largely accelerate video encoding speed. The GPU acceleration saves users time when encoding 4K/BD/DVD or digital video files to H.264/H.265 codec. With a PC running on a CUDA-enabled Graphics card, or an AMD graphics card with AMD APP technology, the conversion speed of Pavtube Windows software is about 30X faster than before. Meanwhile, more CPU resources are spared for other applications, that is to say, your computer will run much smoother and faster than ever before when you using Pavtube Windows software to do format conversion.


Pavtube Video Converter Ultimate

What is GPU Video Encoding Acceleration & What to Prepare

GPU video encoding is a kind of hardware acceleration tech used to process computer-intensive video encoding tasks on GPU rather than CPU to ease CPU burden for other tasks. Currently, the most common used GPU video encoding tech are NVIDIA NVENC, NVIDIA CUDA and AMD APP. Gnerally, the GPU acceleration tech can improve your 4K/HD/BD/DVD video processing up to 30x real time faster. Of course, to utilize this GPU video transcoding acceleration tech you have to meet below requirements:

1. Both your computer and the video converter software you’re using support GPU AMD APP, DXVA or Nvidia hardware acceleration tech.

2. The following diagram represents support for the NVIDIA Pascal GPU family:

GPU H.264 (AVCHD) YUV 4:2:0 H.264 (AVCHD) YUV 4:4:4 H.264 (AVCHD) LOSSLESS H.265 (HEVC) YUV 4:2:0 H.265 (HEVC) YUV 4:4:4 H.265 (HEVC) LOSSLESS
MAX Color MAX Res. MAX Color MAX Res. MAX Color MAX Res. MAX Color MAX Res. MAX Color MAX Res. MAX Color MAX Res.
Kepler 8-bit 4096 x 4096 N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Maxwell (1st Gen)* 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 N/A N/A N/A N/A N/A N/A
Maxwell (2nd Gen) 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 N/A N/A N/A N/A N/A N/A
Maxwell (GM206) 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096
Pascal 8-bit 4096 x 4096 8-bit 4096 x 4096 8-bit 4096 x 4096 10-bit 8192 x 8192** 10-bit 8192 x 8192** 10-bit 8192 x 8192**

From above diagram, we can see that for fast hardware H.265 encoding speed on a Nvidia CUDA enabled Graphics card PC computer, your graphics products must suppor with either Maxwell (GM206) or Pascal generation GPU.

3. Make sure that the GPU video encoding on both computer and software is the same. If your computer supports Nvidia NVENC while your software features AMD APP, then the GPU hardware acceleration can not be achieved.

4. Upgrade your drive program to the latest version.

When everything is ready, then you can download the Pavtube Video Converte Ultimate on your Windows and follow the following steps to convet and compress 4K to H.264/H.265 with zero quality loss.

Hot Search: H.265 Playback and Encoding Solutions

Quick Guide to Convert 4K to H.265/H.264 with Fastest Nvidia Encoder

Step 1. Import 4K video into this software

Start the program on your computer, click "File" > "Add Video/Audio" to import 4K videos into the program, batch conversion is also available here.

For load Blu-ray or DVD disc, insert your DVD disc into your computer’s optical drive and your Blu-ray disc into an external Blu-ray drive, click "File" > "Load from Disc" to load Blu-ray/DVD disc into the program.

Import 4K video into this software

Step 2: Enable GPU Encode Acceleration.

Click "Tools" > "Options", in the opened "Options" window, click "Acceleration" menu, then check "Enable GPU Encode Acceleration" otpion so that the program will accelerate converion speed when encoding 4K/digital video/Blu-ray/DVD to H.264/HEVC codec.

Enable GPU Encode Acceleration

The difference between H.264 & H.265

HEVC promises a 50% storage reduction as its algorithm uses efficient coding by encoding video at the lowest possible bit rate while maintaining a high image quality level.

Step 3: Output H.265 MP4 or MKV format.

Click "Format" drop-down bar, scroll down to select "Common Video" > "H.265 Video(*.MP4)" as the output file format.

Output H.265 MP4 video

For outputting H.265 MKV format, select "HD Video" > "MKV HD Video(*.mp4)" to output, then hit "Settings" on the main interface to open "Profile Settings" window, under Video settings panel, click "Codec" drop-down selection, choose "H.265" as your final output file codec.

Output H.265 MKV

Step 4. Adjust output file parameters (Optional)

You are allowed to adjust video and audio parameters if you are not satisfied with the default settings. Presets like size, bitrate, frame rate, audio channels, etc. can be customized in your own way.

Adjust output profile parameters

Step 5: Begin the H.264/HECV codec encoding process.

After all settings is completed, hit right-bottom "Convert" button to begin the conversion from 4K/digital video/Blu-ray/DVD to H.264/HEVC encoding process. 
When the conversion is completed, you will get a perfect quality H.265/HEVC file with smaller file size for smoothly viewing and streaming on different devices.