VMAF 70 is definitely on the poor quality side of things.

VMAF 80 looks like the average to poor end of the 1080p60 streamers, usually those with bandwidth of 5Mbps or under.

Usually, the channels that look good at 6Mbps are about this quality. I found some streamers streaming VBR between 7Mbps and 10Mbps who look a little better.

VMAF 85 looks approximately as good as the top-tier streamers doing 1080p60.

VMAF 90+ looks as good as the best looking Apex streams I could find on Twitch today.

In summary, the higher the score, the better the video looks. There’s a brief description of what VMAF is here or you can read Netflix’s own description by the head dev Zhi Li. I used VMAF model vmaf_v0.6.1.pkl in Debian FFMPEG 4.0.1-static. The quality on the graph is a VMAF measurement. x264 Slow was the slowest, averaging 70fps and dipping to about 63fps for approximately 7%-10% of the frames. All were done in real-time or faster, with Turing 3xRT, QSV 2xRT and x264 between 1xRT-2xRT.

x264 encodes were done on an i7-8086k CPU. QuickSync was done on QuickSync version 6 (Coffee Lake). Apex Legends is really popular right now among streamers, therefore it seemed appropriate to give it a shot. My previous test was on Overwatch to see how codecs compared in 1440p60 but most questions I get asked are about 1080p60. I ran around the training ground with some guns and shot some targets. Source & test benchįor this test, I recorded a lossless copy of some Apex Legends gameplay at 1080p60. For example, the quality from Turing “MaxQ” at 3000kbps, you would get the same from x264 “Medium” at about 3400kbps.

Or, pick your quality and scan left-to-right to see how much more bitrate the next encoder needs. NVENC vs x264 vs QuickSyncĮither pick your bitrate and scan bottom-up to see the quality you can get with each encoder. A lot of hype has been surrounding the Turing NVENC encoder and the upgrade to OBS to make better use of it. With the release of the NVIDIA RTX 20 series, this has all changed.

X264 has been the go-to encoder in OBS for a long time.

5.2Pls improve QuickSync access in OBS!.

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