[Guru3D] AMD Launches 64-core / 128 Threaded 2nd Gen AMD EPYC Processors - Page 4 - Overclock.net - An Overclocking Community

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[Guru3D] AMD Launches 64-core / 128 Threaded 2nd Gen AMD EPYC Processors

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post #31 of 33 (permalink) Old 10-21-2019, 12:56 AM
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Now that they are slowly establishing their short term dominance, prices can be raised on products in the near future.

Lisa will need to make the company more profitable so I look forward to seeing 4-5k EUR AMD systems on OCN.

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post #32 of 33 (permalink) Old 10-21-2019, 07:26 AM
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Quote: Originally Posted by ramicio View Post
I don't know why they can't use AVX-512 with the 4k x265 tests. Afraid that Intel may spank them in that area?

WHy would they need to? The majority of popular software can take advantage of QuickSync anyway and the performance on that is probably even better than a Zen2 64 core. I know the newer version of QS can definitely do 5 4k streams in realtime encoding, and around 12-13 1080p streams. If you take away realtime requirement like these tests do, Intel with QS could probably run a dozen 4k streams in the same time a typical desktop variant AMD processor could do one stream in. When you have that kind of capability, why even bother using avx512 and CPU cores?

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post #33 of 33 (permalink) Old 10-21-2019, 08:30 PM
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Quote: Originally Posted by EniGma1987 View Post
When you have that kind of capability, why even bother using avx512 and CPU cores?
Because the quality of hardware H.265 encoding with Quicksync is pretty bad? Even Turing's hardware H.265 encoder is noticeably worse than x265 on slower settings and Quicksync is worse.

That said, AVX-512 doesn't help x265 very much due to the frequency penalty and it would complicate benchmarking so I totally understand why it wasn't used.
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