Intel Xeon E7520 

Released March, 2010
  • 1.87 GHz
  • Quad core

Features Key features of the Intel Xeon E7520

clock speed

Xeon E7520
1.87 GHz
Xeon E5645
2.4 GHz
Xeon E5520
2.26 GHz

turbo clock speed

Xeon E7520
1.87 GHz
Xeon E5645
2.67 GHz
Xeon E5520
2.53 GHz

L2 cache

Xeon E7520
1 MB
Xeon E5645
2 MB
Xeon E5520
1 MB

L3 cache

Xeon E7520
18 MB
Xeon E5520
8 MB
Xeon E5645
12 MB

overclocked clock speed (air)

Xeon E7520
1.87 GHz
Xeon E5645
3.63 GHz
Xeon E5520
3.27 GHz

overclocked clock speed (water)

Xeon E7520
1.87 GHz
Xeon E5520
4.05 GHz
Xeon E5645
2.4 GHz

Specifications Full list of technical specs

summary

Clock speed 1.87 GHz
Turbo clock speed 1.87 GHz
Cores Quad core
Socket type LGA 1567

features

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

power consumption

TDP 95W
Annual home energy cost 22.89 $/year
Annual commercial energy cost 83.22 $/year
Typical power consumption 77.19W

bus

Architecture QPI
Data rate 76,800 MB/s
Transfer rate 4,800 MT/s
Clock speed 2,400 MHz

details

Threads 8 threads
L2 cache 1 MB
L2 cache per core 0.25 MB/core
L3 cache 18 MB
L3 cache per core 4.5 MB/core
Manufacture process 45 nm
Max CPUs 4
Voltage range 0.68 - 1.35V
Operating temperature Unknown - 70°C

overclocking

Overclocked clock speed 1.87 GHz
Overclocked clock speed (Water) 1.87 GHz
Overclocked clock speed (Air) 1.87 GHz

integrated graphics

GPU None
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