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GTX 960 for decoding H.265 video

jkauff

Senior member
Oct 4, 2012
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Has anyone used the GTX 960 dedicated hardware decoding for H.265 video? As far as I know, it's the only fully hardware decoding solution on the market. I'm not ready to trade in my GTX 770, but I'm curious about the H.265 performance (which with my setup is a major CPU hog).
 

BSim500

Golden Member
Jun 5, 2013
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Has anyone used the GTX 960 dedicated hardware decoding for H.265 video? As far as I know, it's the only fully hardware decoding solution on the market. I'm not ready to trade in my GTX 770, but I'm curious about the H.265 performance (which with my setup is a major CPU hog).
Yes it works perfectly. Example of this 80MB/s 30fps 4K H265 file in MPC-HC (you might have to right-click then "download" rather than open it online in some browsers). CPU usage (i5-3570) fell from 72% to 6%. "Video Engine Load" increased to 50% in GPU-Z (and only around 17% for 1080p HEVC). So potentially it could playback 4K H265 at 60fps in full hardware. Power consumption fell by almost 30w too.

To use in Media Player Classic : View -> Options -> Internal Filters -> Video Decoder -> tick "HEVC" and "UHD 4K"

http://uk.hardware.info/reviews/5890/2/test-the-geforce-gtx-960-is-the-best-htpc-gpu-of-this-moment-h265-on-the-gtx-960-innpractice
 
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Magic Carpet

Diamond Member
Oct 2, 2011
3,260
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91
Has anyone used the GTX 960 dedicated hardware decoding for H.265 video? As far as I know, it's the only fully hardware decoding solution on the market. I'm not ready to trade in my GTX 770, but I'm curious about the H.265 performance (which with my setup is a major CPU hog).
What is your CPU and how high your CPU usage goes?

I like when GPU decoding works as advertised, but sometimes it doesn't, one way or another. In which case, a strong CPU comes to the rescue.
 
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jkauff

Senior member
Oct 4, 2012
584
13
81
What is your CPU and how high your CPU usage goes?

I like when GPU decoding works as advertised, but sometimes it doesn't, one way or another. In which case, a strong CPU comes to the rescue.
I'm running an i7 4970K at 4.7 to play back H.265 video, and the CPU usage is very much dependent on the characteristics of the clip I'm playing, but the sample that BSim500 provided runs at over 90% and still drops frames. Part of that is due to downscaling to 1920x1080, however.

BSim500, thanks for that review. I'm not ready for HEVC yet (no 4K display/TV), but those results make it practical with hardware decoding. Very encouraging.
 

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