AMD Athlon II X4 641 

Released February, 2012
  • 2.8 GHz
  • Quad core

Benchmarks Real world tests of the AMD Athlon II X4 641

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Athlon II X4 641
4,990
A8 3870K
5,602
A8 3850
5,262

GeekBench 3 (Single core) Data courtesy Primate Labs

Athlon II X4 641
1,447
A8 3870K
1,597
A8 3850
1,517

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon II X4 641
116,900 MB/s
A8 3870K
126,200 MB/s
A8 3850
121,450 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Athlon II X4 641
5,039
A8 3870K
5,339
A8 3850
5,321

GeekBench

Athlon II X4 641
5,039
A8 3850
7,685
A8 3870K
7,554

3D Mark 11 (Physics)

Athlon II X4 641
3,260
A8 3870K
1,102
A8 3850
3,470

PassMark Data courtesy Passmark

Athlon II X4 641
3,404
A8 3870K
3,596
A8 3850
3,489

PassMark (Single Core)

Athlon II X4 641
983
A8 3870K
1,032
A8 3850
995

Specifications Full list of technical specs

summary

Clock speed 2.8 GHz
Turbo clock speed 0 GHz
Cores Quad core
Socket type FM1
Is unlocked No

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

power consumption

TDP 100W
Annual home energy cost 24.09 $/year
Annual commercial energy cost 87.6 $/year
Performance per watt 1.4 pt/W
Typical power consumption 81.25W

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
L3 cache 0 MB
L3 cache per core 0 MB/core
Manufacture process 32 nm
Transistor count 1,178,000,000
Max CPUs 1
Die size 228 mm²
Voltage range 0.45 - 1.41V
Operating temperature Unknown - 70.1°C

overclocking

Overclocked clock speed 3.37 GHz
Overclocked clock speed (Water) 2.8 GHz
Overclocked clock speed (Air) 3.37 GHz

integrated graphics

GPU None
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