Intel Xeon E5-2643 v3 

Released July, 2014
  • 3.4 GHz
  • Hexa core

Benchmarks Real world tests of the Intel Xeon E5-2643 v3

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2643 v3
Core i7 6700K

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5-2643 v3

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2643 v3
3,275,000 MB/s
Core i7 6700K
6,010 MB/s
Xeon E5 2690 v2
2,100,000 MB/s

PassMark Data courtesy Passmark

Xeon E5-2643 v3
Core i7 6700K

PassMark (Single Core)

Xeon E5-2643 v3

Specifications Full list of technical specs


Clock speed 3.4 GHz
Turbo clock speed 3.7 GHz
Cores Hexa core


Has a NX bit Yes
Supports trusted computing Yes
Has virtualization support Yes
Instruction set extensions
  1. AES
  2. AVX
  3. AVX 2.0
Supports dynamic frequency scaling Yes

power consumption

TDP 135W
Annual home energy cost 32.52 $/year
Annual commercial energy cost 118.26 $/year
Performance per watt 10.54 pt/W
Typical power consumption 109.69W


Architecture QPI
Data rate 76,800 MB/s
Transfer rate 9,600 MT/s
Clock speed 4,800 MHz


Architecture x86-64
Threads 12 threads
L3 cache 20 MB
L3 cache per core 3.33 MB/core
Manufacture process 22 nm
Max CPUs 2
Operating temperature Unknown - 77.3°C


Overclocked clock speed 3.84 GHz
Overclocked clock speed (Water) 3.4 GHz
Overclocked clock speed (Air) 3.84 GHz

integrated graphics

GPU None

memory controller

Memory controller Built-in
Memory type DDR
Channels Quad Channel
Supports ECC Yes
Maximum bandwidth 6,400 MB/s
Maximum memory size 786,432 MB
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