Yesterday, towards the end of the day, Intel announced the arrival of their newest Xeon chips, the v4 series of Xeon E5 CPUs. As you would expect of server chips there is no GPU present however there are new features to improve your servers performance. The new Broadwell-EP chips will have up to 22 cores and 44 threads, an impressive 55MB of cache on some models and support for DDR4-2400. As far as raw performance goes, Intel advertises these chips as delivering about 5% instructions per second compared to Haswell and handles AVX instructions more efficiently, allowing cores not running these tasks to remain at full speed. The Register has a great breakdown of the other new features which these Xeons can provide.
"These chips follow up 2014’s Xeon E5 v3 parts, which used a 22nm process size and the Haswell micro-architecture. Intel shrunk Haswell to 14nm, and after some tinkering, codenamed the resulting design Broadwell."
Here is some more Tech News from around the web:
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I’m assuming the title should
I’m assuming the title should be E5.
No. Some of the Xeons lack
No. Some of the Xeons lack Hyperthreading, so it is like having I5s.
It seems kind of strange to
It seems kind of strange to say i5 since these are completely different markets; there isn’t really any relation. It is only the 2 “basic” models that lack hyper threading, so hyper threading isn’t the differentiating factor as it is with the i5 and i7. Perhaps the “basic” models should have been e3s.
I didn’t even know that e7 processors existed until recently. It is somewhat unclear what the differentiating factor is between e5 and e7 except the e7 models listed appear to all be 4xxx or 8xxx models. I assume these are for 4 or 8 socket systems.
Yes, E7s support up to 2TB of
Yes, E7s support up to 2TB of RAM and scale up to 8 chips in a single board for standard Intel solutions (some 3rd party partners now scale up to 32 sockets on 1 board).
Yup, so used to writing i5 it
Yup, so used to writing i5 it slipped straight by my second read and didn't even register.
“Intel advertises these chips
“Intel advertises these chips as delivering about 5% instructions per second compared to Haswell”
Is that supposed to be instructions per clock? Instructions per second wouldn’t be that useful of a metric since it would be dependent on clock speed.
I wonder how many different
I wonder how many different die they are actually making. It looks like maybe an 8 core with 20 MB cache, 14 core with 35 MB cache, and the 22 core with 55 MB cache. Even though it is a big jump from 14 to 22, anything over 14 is pretty low volume and very expensive so they could all be salvaged 22 core parts.
So there’s an E5-2697 v4 and
So there’s an E5-2697 v4 and and an E5-2697A v4, and they have different numbers of cores, different size cache, and different clock speeds?
I think Intel might need to rethink their product numbering.