AMD Opteron 856 

Released April, 2006
  • 3 GHz
  • Single core

Features Key features of the AMD Opteron 856

clock speed

Opteron 856
3 GHz
Opteron 275
2.2 GHz
Opteron 285
2.6 GHz

L2 cache

Opteron 856
1 MB

overclocked clock speed (air)

Opteron 856
3.1 GHz
Opteron 275
2.2 GHz
Opteron 285
2.6 GHz

overclocked clock speed (water)

Opteron 856
3 GHz
Opteron 275
2.2 GHz
Opteron 285
2.6 GHz

TDP

Opteron 856
92.6W

Specifications Full list of technical specs

summary

Clock speed 3 GHz
Cores Single core
Socket type 940

features

Has a NX bit Yes
Instruction set extensions
  1. 3DNow!
  2. SSE2
  3. SSE
  4. MMX
  5. SSE3
Supports dynamic frequency scaling Yes

details

Threads 1 thread
L2 cache 1 MB
L2 cache per core 1 MB/core
Manufacture process 90 nm
Max CPUs 8
Clock multiplier 15
Voltage range 1.3 - UnknownV
Operating temperature 0 - 67°C

overclocking

Overclocked clock speed 3.1 GHz
Overclocked clock speed (Water) 3 GHz
Overclocked clock speed (Air) 3.1 GHz

power consumption

TDP 92.6W
Annual home energy cost 22.31 $/year
Annual commercial energy cost 81.12 $/year
Typical power consumption 75.24W
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