Intel Xeon E7-2820 

Released April, 2011
  • 2 GHz
  • Octa core

Features Key features of the Intel Xeon E7-2820

clock speed

Xeon E7-2820
2 GHz
Xeon E5620
2.4 GHz
Xeon E5 2660 v2
2.2 GHz

turbo clock speed

Xeon E7-2820
2.27 GHz
Xeon E5620
2.66 GHz

L2 cache

Xeon E7-2820
2 MB
Xeon E5620
1 MB

L3 cache

Xeon E7-2820
18 MB
Xeon E5620
12 MB


Xeon E7-2820

Specifications Full list of technical specs


Clock speed 2 GHz
Turbo clock speed 2.27 GHz
Cores Octa core
Socket type LGA 1567


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

power consumption

TDP 105W
Annual home energy cost 25.29 $/year
Annual commercial energy cost 91.98 $/year
Typical power consumption 85.31W


Architecture QPI
Data rate 23,464 MB/s
Transfer rate 5,860 MT/s
Clock speed 2,930 MHz


Architecture x86-64
Threads 16 threads
L2 cache 2 MB
L2 cache per core 0.25 MB/core
L3 cache 18 MB
L3 cache per core 2.25 MB/core
Manufacture process 32 nm
Max CPUs 2
Clock multiplier 15
Operating temperature Unknown - 64°C

integrated graphics

GPU None

memory controller

Memory controller Built-in
Memory type
  1. DDR3
  2. DDR
Channels Quad Channel
Supports ECC Yes
Maximum bandwidth 25,600 MB/s
Maximum memory size 1,048,576 MB
Report a correction


comments powered by Disqus