Winner
AMD Athlon II X4 640
CPUBoss recommends the AMD Athlon II X4 640 based on its .
See full details | AMD Athlon II X4 640 vs X2 250 |
![]() | More cores 4 | ![]() | More threads 4 |
![]() | Newer May, 2010 |
![]() | Much newer manufacturing process 32 nm | ![]() | Much more l2 cache per core 1 MB/core |
![]() | Much lower typical power consumption 52.81W | ![]() | Higher Maximum operating temperature 74 °C |
Performance | |
Benchmark performance using all cores | |
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more |
Single-core Performance | |
Individual core benchmark performance | |
PassMark (Single Core), Geekbench 3 Single Core and 1 more |
Integrated Graphics | |
Integrated GPU performance for graphics | |
Fire Strike |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
CompuBench 1.5 Bitcoin mining and 4 more |
Performance per Watt | |
How efficiently does the processor use electricity? | |
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more |
Value | |
Are you paying a premium for performance? | |
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more |
3.8 | CPUBoss Score |
Combination of all six facets | |
Winner |
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More cores | 4 | vs | 2 | Twice as many cores; run more applications at once | |||
---|---|---|---|---|---|---|---|
More threads | 4 | vs | 2 | Twice as many threads | |||
Newer | May, 2010 | vs | Jun, 2009 | Release date 11 months later | |||
| |||||||
Much newer manufacturing process | 32 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Much more l2 cache per core | 1 MB/core | vs | 0.5 MB/core | 2x more l2 cache per core | |||
Much lower typical power consumption | 52.81W | vs | 77.19W | More than 30% lower typical power consumption | |||
Higher Maximum operating temperature | 74 °C | vs | 71 °C | Around 5% higher Maximum operating temperature | |||
Better overclocked clock speed (Air) | 3.72 GHz | vs | 3.57 GHz | Around 5% better overclocked clock speed (Air) | |||
Significantly lower annual home energy cost | 15.66 $/year | vs | 22.89 $/year | More than 30% lower annual home energy cost | |||
Significantly lower annual commercial energy cost | 56.94 $/year | vs | 83.22 $/year | More than 30% lower annual commercial energy cost | |||
Better overclocked clock speed (Water) | 4.04 GHz | vs | 3.89 GHz | Around 5% better overclocked clock speed (Water) |
Athlon II X4 640 | vs | X2 250 | ||
![]() | 9.1 | 9.6 |
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summary | Athlon II X4 640 | vs | X2 250 |
---|---|---|---|
Clock speed | 3 GHz | 3 GHz | |
Cores | Quad core | Dual core | |
Socket type | |||
AM3 | |||
Is unlocked | No | No | |
features | |||
Has a NX bit | Yes | Yes | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE4a | |||
AVX 1.1 | |||
SSE2 | |||
F16C | |||
MMX | |||
XOP | |||
AVX | |||
SSE3 | |||
SSE | |||
BMI1 | |||
AMD64 | |||
SSE4.1 | |||
FMA4 | |||
FMA3 | |||
SSE4.2 | |||
ABM | |||
CVT16 | |||
AMD-V | |||
3DNow! | |||
Supplemental SSE3 | |||
AES | |||
TBM | |||
Supports dynamic frequency scaling | Yes | Yes | |
integrated graphics | |||
GPU | None | None | |
Label | N/A | N/A | |
Latest DirectX | N/A | N/A | |
Number of displays supported | N/A | N/A | |
GPU clock speed | N/A | N/A | |
Turbo clock speed | N/A | N/A | |
3DMark06 | N/A | N/A |
details | Athlon II X4 640 | vs | X2 250 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 4 | 2 | |
L2 cache | 2 MB | 2 MB | |
L2 cache per core | 0.5 MB/core | 1 MB/core | |
L3 cache | 0 MB | 0 MB | |
L3 cache per core | 0 MB/core | 0 MB/core | |
Manufacture process | 45 nm | 32 nm | |
Max CPUs | 1 | 1 | |
Voltage range | 1.05 - 1.4V | 0.85 - 1.43V | |
Operating temperature | Unknown - 71°C | Unknown - 74°C | |
overclocking | |||
Overclock popularity | 36 | 25 | |
Overclocked clock speed | 3.57 GHz | 3.72 GHz | |
Overclocked clock speed (Water) | 3.89 GHz | 4.04 GHz | |
PassMark (Overclocked) | 2,020.8 | 2,374.3 | |
Overclocked clock speed (Air) | 3.57 GHz | 3.72 GHz | |
power consumption | |||
TDP | 95W | 65W | |
Annual home energy cost | 22.89 $/year | 15.66 $/year | |
Annual commercial energy cost | 83.22 $/year | 56.94 $/year | |
Performance per watt | 1.54 pt/W | 1.79 pt/W | |
Typical power consumption | 77.19W | 52.81W | |
bus | |||
Clock speed | 2,000 MHz | 2,000 MHz |
AMD Athlon II X4 640 ![]() | AMD Athlon II X2 250 ![]() |
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