AMD Athlon II X4 640 vs 605e |
Released May, 2010
AMD Athlon II X4 640
- 3 GHz
- Quad core
Reasons to buy the AMD Athlon II X4 640
 | Much higher clock speed 3 GHz | | Much better performance per watt 1.54 pt/W |
| | Much lower typical power consumption 77.19W | | Much lower annual home energy cost 22.89 $/year |
VS
Released October, 2009
AMD Athlon II X4 605e
- 2.3 GHz
- Quad core
Reasons to buy the 605e
| | Much more l3 cache 0.5 MB | | Higher Maximum operating temperature 72 °C |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 3 GHz | vs | 2.3 GHz | More than 30% higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Much better performance per watt | 1.54 pt/W | vs | 0.64 pt/W | Around 2.5x better performance per watt | |||
| Much lower typical power consumption | 77.19W | vs | 130.78W | More than 40% lower typical power consumption | |||
| Much lower annual home energy cost | 22.89 $/year | vs | 53.03 $/year | 2.3x lower annual home energy cost | |||
| Significantly better overclocked clock speed (Air) | 3.57 GHz | vs | 3.36 GHz | More than 5% better overclocked clock speed (Air) | |||
| Much better overclocked clock speed (Water) | 3.89 GHz | vs | 2.3 GHz | Around 70% better overclocked clock speed (Water) | |||
| Much lower annual commercial energy cost | 83.22 $/year | vs | 120.63 $/year | More than 30% lower annual commercial energy cost | |||
| |||||||
| Much more l3 cache | 0.5 MB | vs | 0 MB | Compared to all cpus, 0.5 MB l3 cache is just OK | |||
| Higher Maximum operating temperature | 72 °C | vs | 71 °C | Almost the same | |||
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Benchmarks Real world tests of Athlon II X4 640 vs 605e
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
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Athlon II X4 640 | vs | 605e |
|---|---|---|---|
| Clock speed | 3 GHz | 2.3 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| AM3 | |||
| Is unlocked | No | No | |
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| 3DNow! | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 95W | 45W | |
| Annual home energy cost | 22.89 $/year | 53.03 $/year | |
| Annual commercial energy cost | 83.22 $/year | 120.63 $/year | |
| Performance per watt | 1.54 pt/W | 0.64 pt/W | |
| Typical power consumption | 77.19W | 130.78W | |
bus | |||
| Clock speed | 2,000 MHz | 2,000 MHz | |
details | Athlon II X4 640 | vs | 605e |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 4 | 4 | |
| L2 cache | 2 MB | 2 MB | |
| L2 cache per core | 0.5 MB/core | 0.5 MB/core | |
| L3 cache | 0 MB | 0.5 MB | |
| L3 cache per core | 0 MB/core | 0.13 MB/core | |
| Manufacture process | 45 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
| Voltage range | 1.05 - 1.4V | 0.78 - 1.25V | |
| Operating temperature | Unknown - 71°C | Unknown - 72°C | |
overclocking | |||
| Overclocked clock speed | 3.57 GHz | 3.36 GHz | |
| Overclocked clock speed (Water) | 3.89 GHz | 2.3 GHz | |
| Overclocked clock speed (Air) | 3.57 GHz | 3.36 GHz | |
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 | |
 AMD Athlon II X4 640  Report a correction |  AMD Athlon II X4 605e Report a correction |
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