AMD Athlon II X4 651 

Released November, 2011
  • 3 GHz
  • Quad core

Benchmarks Real world tests of the AMD Athlon II X4 651

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Athlon II X4 651
5,570
A8 3870K
5,602

GeekBench 3 (Single core) Data courtesy Primate Labs

Athlon II X4 651
1,558
A8 3870K
1,597

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon II X4 651
125,700 MB/s
Athlon X4 860K
2,290,000 MB/s
A8 3870K
126,200 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Athlon II X4 651
5,328
A8 3870K
5,339

GeekBench

Athlon II X4 651
5,328
A8 3870K
7,554

3D Mark 11 (Physics)

Athlon II X4 651
2,890
A8 3870K
1,102

PassMark Data courtesy Passmark

Athlon II X4 651
3,587
A8 3870K
3,587

PassMark (Single Core)

Athlon II X4 651
1,053
A8 3870K
1,029

Specifications Full list of technical specs

summary

Clock speed 3 GHz
Turbo clock speed None
Cores Quad core
Socket type FM1

features

Has a NX bit Yes
Has virtualization support Yes
Instruction set extensions
  1. 3DNow!
  2. AMD-V
  3. AMD64
  4. MMX
  5. SSE
  6. SSE2
  7. SSE3
  8. SSE4a
Supports dynamic frequency scaling Yes

memory controller

Memory controller Built-in
Memory type DDR3-1866

details

Architecture x86-64
Threads 4 threads
L2 cache 4 MB
L2 cache per core 1 MB/core
Manufacture process 32 nm
Transistor count 1,178,000,000
Max CPUs 1
Die size 228 mm²
Voltage range 0.91 - 1.41V

overclocking

Overclocked clock speed 3.41 GHz
Overclocked clock speed (Water) 3 GHz
Overclocked clock speed (Air) 3.41 GHz

power consumption

TDP 100W
Annual home energy cost 24.09 $/year
Annual commercial energy cost 87.6 $/year
Performance per watt 1.53 pt/W
Typical power consumption 81.25W
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