Video card accelerated encoding?

[Daz]

Hi,

I do QSV and x264 encodes with 1080i source files and encoding to various resolutions. Can I get a bit more speed by getting a video card? If so roughly how much and which cards should I be looking to get for the most benefit?

Thanks for you help.

[Deleted User 11865]

QSV is using your graphics card already

[Daz]

Yes, but I wasn't sure if adding say an AMD card would speed it up further by using Bicubic or if there are other roptions that become available when a supported card is present in the system

[s55]

Won't help. Even if it worked, it'd be a lot slower.

[Daz]

No advantaged of having a beefy graphics card then?

[s55]

Nope. GPU encoding has gone by the way side these days. All the major vendors are moving onto ASIC based encoders.

So while the ASIC hardware is on the same die as the GPU, it's dedicated discrete hardware, which should perform the same on the low end and high end cards, unless these companies start artificially slowing it down on lesser cards.

QuickSync is still the leader in terms of performance and quality in this space.

[fatpizza]

So is quicksync better quality than normal CPU encoding?

[Deleted User 11865]

So is quicksync better quality than normal CPU encoding?

Depends on which encoder you're using and what settings you're using. It can be equivalent to x264's speediest presets while being even faster, especially if your source is H.264 from e.g. Blu-ray, as decoding is also accelerated.