Intel Xeon E5-2403 

Released May, 2012
  • 1.8 GHz
  • Quad core

Benchmarks Real world tests of the Intel Xeon E5-2403

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2403

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5-2403

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2403
1,050,800 MB/s
Xeon E3-1245 v3
4,420,000 MB/s
Xeon E5-2403 v2
1,200 MB/s

PassMark Data courtesy Passmark

Xeon E5-2403

PassMark (Single Core)

Xeon E5-2403

Specifications Full list of technical specs


Clock speed 1.8 GHz
Cores Quad core


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. AVX
Supports dynamic frequency scaling Yes

power consumption

Annual home energy cost 19.27 $/year
Annual commercial energy cost 70.08 $/year
Performance per watt 5.67 pt/W
Typical power consumption 65W


Architecture QPI
Data rate 25,600 MB/s
Transfer rate 6,400 MT/s
Clock speed 3,200 MHz


Architecture x86-64
Threads 4 threads
L2 cache 1 MB
L2 cache per core 0.25 MB/core
L3 cache 10 MB
L3 cache per core 2.5 MB/core
Manufacture process 32 nm
Max CPUs 2
Voltage range 0.6 - 1.35V


Overclock popularity 0

integrated graphics

GPU None

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1066
  2. DDR3-800
  3. DDR3
Channels Triple Channel
Supports ECC Yes
Maximum bandwidth 25,599.99 MB/s
Maximum memory size 393,216 MB
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