E5-2696 v4 22core CPU for $150 or less

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BackupProphet

Well-Known Member
Jul 2, 2014
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Stavanger, Norway
olavgg.com
I just did a benchmark with Clickhouse, dual 2690 v4 vs dual 2699 v4, 28 cores vs 44 cores.

The dataset fits in memory, and mitigations=off as you get at least 10% performance increase

The 2x 2699 v4 result:
1 row in set. Elapsed: 5.762 sec. Processed 14.13 billion rows, 226.09 GB (2.45 billion rows/s., 39.24 GB/s.)
Peak memory usage: 58.88 MiB.

The 2x 2690 v4 result:
1 row in set. Elapsed: 6.581 sec. Processed 14.13 billion rows, 226.09 GB (2.15 billion rows/s., 34.35 GB/s.)
Peak memory usage: 58.60 MiB.

The Intel 2690 v4 is only 13,5% slower. But the price difference is 9x.
Most likely the bottleneck here is caused by the QuickPath Interconnect (QPI)

The Intel 2690 v4 is really good value for the money today
 

wildpig1234

Well-Known Member
Aug 22, 2016
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I just did a benchmark with Clickhouse, dual 2690 v4 vs dual 2699 v4, 28 cores vs 44 cores.

The dataset fits in memory, and mitigations=off as you get at least 10% performance increase

The 2x 2699 v4 result:
1 row in set. Elapsed: 5.762 sec. Processed 14.13 billion rows, 226.09 GB (2.45 billion rows/s., 39.24 GB/s.)
Peak memory usage: 58.88 MiB.

The 2x 2690 v4 result:
1 row in set. Elapsed: 6.581 sec. Processed 14.13 billion rows, 226.09 GB (2.15 billion rows/s., 34.35 GB/s.)
Peak memory usage: 58.60 MiB.

The Intel 2690 v4 is only 13,5% slower. But the price difference is 9x.
Most likely the bottleneck here is caused by the QuickPath Interconnect (QPI)

The Intel 2690 v4 is really good value for the money today
I finally got my 2699 v4 pair as well as a pair of 2690 v4. And yes i can also confirm what you say about it from running y cruncher. The gain between the two cpus on y cruncher is also marginal.

It's really weird because on cinebench and on cpuz benchmarks, the 2699 v4 is significantly faster than 2690 v4. But i am thinking that maybe cinebench and cpuz are more cpu bounded whether as y cruncher also very dependent on memory access speed. The benchmarks for y cruncher using epyc cpu seems a lot faster and maybe that's because epyc has 8 channel memory.

Between 2680 v4 ($15/cpu) and 2690 v4 ($21/cpu) , I think that given the low total price, it's probably better to get the 2690