AMD Opteron 840 

Released June, 2003
  • 1.4 GHz
  • Single core

Features Key features of the AMD Opteron 840

clock speed

Opteron 840
1.4 GHz
Core i5 2300
2.8 GHz
Opteron 240 EE
1.4 GHz

L2 cache

Opteron 840
1 MB

overclocked clock speed (air)

Opteron 840
1.69 GHz
Core i5 2300
3.3 GHz
Opteron 240 EE
1.4 GHz

overclocked clock speed (water)

Opteron 840
1.4 GHz
Core i5 2300
2.8 GHz
Opteron 240 EE
1.4 GHz

TDP

Opteron 840
82.1W

Specifications Full list of technical specs

summary

Clock speed 1.4 GHz
Cores Single core
Socket type 940

features

Has a NX bit Yes
Instruction set extensions
  1. MMX
  2. 3DNow!
  3. SSE
  4. SSE2

details

Threads 1 thread
L2 cache 1 MB
L2 cache per core 1 MB/core
Manufacture process 130 nm
Max CPUs 8
Clock multiplier 7
Voltage range 1.5 - UnknownV

overclocking

Overclocked clock speed 1.69 GHz
Overclocked clock speed (Water) 1.4 GHz
Overclocked clock speed (Air) 1.69 GHz

power consumption

TDP 82.1W
Annual home energy cost 19.78 $/year
Annual commercial energy cost 71.92 $/year
Typical power consumption 66.71W
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