AMD Athlon II X2 255 

Released January, 2010
  • 3.1 GHz
  • Dual core
4.9 Out of 10

Here is a quick look at the voltages we used, and as you can tell we needed to adjust several the values to reach this overclock.
by Legit Reviews (Feb, 2010)
The overclock did help overall system performance.
by Legit Reviews (Feb, 2010)

CPUBoss Review Our evaluation of the AMD Athlon II X2 255 among desktop CPUs (45 to 75W)

Performance

Benchmark performance using all cores

Athlon II X2 255
5.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Athlon II X2 255
5.6
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Athlon II X2 255
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Athlon II X2 255
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Athlon II X2 255
4.9
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Athlon II X2 255
n.d.
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

4.9

CPUBoss Score

Combination of all six facets

Athlon II X2 255
4.9

Benchmarks Real world tests of the AMD Athlon II X2 255

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Athlon II X2 255
2,958
Core i3 3220
5,399

GeekBench 3 (Single core) Data courtesy Primate Labs

Athlon II X2 255
1,578
Core i3 3220
2,501

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon II X2 255
125,000 MB/s
Core i3 3220
173,000 MB/s
Core2 Duo E8400
128,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Athlon II X2 255
2,803
Core i3 3220
5,351

GeekBench (64-bit) Data courtesy Primate Labs

Athlon II X2 255
4,959
Core i3 3220
5,707

GeekBench

Athlon II X2 255
4,959
Core i3 3220
8,919

PassMark Data courtesy Passmark

Athlon II X2 255
1,849
Core i3 3220
4,229

PassMark (Single Core)

Athlon II X2 255
1,046
Core i3 3220
1,764

Specifications Full list of technical specs

summary

Clock speed 3.1 GHz
Cores Dual core
Socket type AM3
Is unlocked No

features

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

power consumption

TDP 65W
Annual home energy cost 42.79 $/year
Annual commercial energy cost 113.7 $/year
Performance per watt 0.91 pt/W
Idle power consumption 76.3W
Peak power consumption 129.8W
Typical power consumption 116.43W

details

Architecture x86-64
Threads 2 threads
L2 cache 2 MB
L2 cache per core 1 MB/core
L3 cache 1 MB
L3 cache per core 0.5 MB/core
Manufacture process 45 nm
Max CPUs 1
Voltage range 0.85 - 1.4V
Operating temperature Unknown - 74°C

overclocking

Overclocked clock speed 3.8 GHz
Overclocked clock speed (Water) 3.93 GHz
PassMark (Overclocked) 1,567.5
Overclocked clock speed (Air) 3.8 GHz

integrated graphics

GPU None

bus

Clock speed 2,000 MHz
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