Intel Xeon E7-2803 

Released April, 2011
  • 1.73 GHz
  • Hexa core

Features Key features of the Intel Xeon E7-2803

clock speed

Xeon E7-2803
1.73 GHz
Xeon X5570
2.93 GHz
Xeon E5-2630
2.3 GHz

L2 cache

Xeon E7-2803
2 MB
Xeon X5570
1 MB

L3 cache

Xeon E7-2803
18 MB
Xeon X5570
8 MB
Xeon E5-2630
15 MB


Xeon E7-2803

Specifications Full list of technical specs


Clock speed 1.73 GHz
Cores Hexa 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 19,200 MB/s
Transfer rate 4,800 MT/s
Clock speed 2,400 MHz


Architecture x86-64
Threads 12 threads
L2 cache 2 MB
L2 cache per core 0.33 MB/core
L3 cache 18 MB
L3 cache per core 3 MB/core
Manufacture process 32 nm
Max CPUs 2
Clock multiplier 13
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
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