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 |
Released May, 2010
AMD Athlon II X4 640
- 3 GHz
- Quad core
3.8 Out of 10
Reasons to buy the AMD Athlon II X4 640
 | More cores 4 | | More threads 4 |
| | Newer May, 2010 |
VS
Released June, 2009
AMD Athlon II X2 250
- 3 GHz
- Dual core
3.6 Out of 10
Reasons to buy the X2 250
| | 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 |
CPUBoss Review Our evaluation of 640 vs 250 among desktop CPUs
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 |
Cast your vote Do you agree or disagree with CPUBoss?
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Differences What are the advantages of each
| |||||||
| 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) | |||
Report a correction
Benchmarks Real world tests of Athlon II X4 640 vs X2 250
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Reviews Word on the street
Specifications Full list of technical specs
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  Report a correction |  AMD Athlon II X2 250 Report a correction |
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