Intel Xeon E5 2643 v2 

Expected September, 2013
  • 3.5 GHz
  • Hexa core

Benchmarks Real world tests of the Intel Xeon E5 2643 v2

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5 2643 v2
Xeon E5-2643

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5 2643 v2
Xeon E5-2643

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5 2643 v2
2,060,000 MB/s
Xeon E5 2667 v2
1,730,000 MB/s
Xeon E5-2643
2,195,000 MB/s

Specifications Full list of technical specs


Clock speed 3.5 GHz
Turbo clock speed 3.8 GHz
Cores Hexa core
Socket type LGA 2011
Is unlocked No


Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. SSE4.2
  3. Supplemental SSE3
  4. SSE4.1
  5. AVX
  6. SSE
  7. SSE4
  8. AES
  9. SSE3
  10. SSE2
Supports dynamic frequency scaling Yes

power consumption

TDP 130W
Annual home energy cost 31.32 $/year
Annual commercial energy cost 113.88 $/year
Performance per watt 10.7 pt/W
Typical power consumption 105.63W


Architecture QPI
Data rate 64,000 MB/s
Transfer rate 8,000 MT/s
Clock speed 4,000 MHz


Architecture x86-64
Threads 20 threads
L2 cache 2.5 MB
L2 cache per core 0.42 MB/core
L3 cache 25 MB
L3 cache per core 4.17 MB/core
Manufacture process 22 nm
Max CPUs 2
Clock multiplier 35
Operating temperature Unknown - 74°C


Overclocked clock speed 3.57 GHz
Overclocked clock speed (Water) 4.07 GHz
Overclocked clock speed (Air) 3.57 GHz

integrated graphics

GPU None

memory controller

Memory controller Built-in
Memory type DDR3
Channels Quad Channel
Supports ECC Yes
Maximum bandwidth 25,600 MB/s
Maximum memory size 786,432 MB
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Showing 1 comment.
Since when is "Hexa Core" 20 threads?
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