Intel Atom Z615 vs AMD Athlon II X2 255 |
Released May, 2010
Intel Atom Z615
- 1.6 GHz
- Single core
Reasons to buy the Intel Atom Z615
 | Much lower typical power consumption 1.79W | | Has a built-in GPU Yes |
| | Much lower annual home energy cost 0.53 $/year | | Much lower annual commercial energy cost 1.93 $/year |
VS
Released January, 2010
AMD Athlon II X2 255
- 3.1 GHz
- Dual core
Reasons to buy the AMD Athlon II X2 255
| | Much higher clock speed 3.1 GHz | | Much more l2 cache 2 MB |
| | More advanced architecture x86-64 | | Has virtualization support Yes |
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Differences What are the advantages of each
| |||||||
| Much lower typical power consumption | 1.79W | vs | 116.42W | 65.1x lower typical power consumption | |||
|---|---|---|---|---|---|---|---|
| Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
| Much lower annual home energy cost | 0.53 $/year | vs | 42.79 $/year | 80.7x lower annual home energy cost | |||
| Much lower annual commercial energy cost | 1.93 $/year | vs | 113.7 $/year | 59x lower annual commercial energy cost | |||
| Newer | May, 2010 | vs | Jan, 2010 | Release date 3 months later | |||
| |||||||
| Much higher clock speed | 3.1 GHz | vs | 1.6 GHz | Around 95% higher clock speed | |||
| Much more l2 cache | 2 MB | vs | 0.5 MB | 4x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| More advanced architecture | x86-64 | vs | x86 | A 64-bit architecture allows more RAM to be installed and accessed by the processor | |||
| Has virtualization support | Yes | vs | No | Somewhat common; Boosts performance of virtual machines | |||
| Much better overclocked clock speed (Air) | 3.8 GHz | vs | 1.2 GHz | Around 3.2x better overclocked clock speed (Air) | |||
| Much more l2 cache per core | 1 MB/core | vs | 0.5 MB/core | 2x more l2 cache per core | |||
| Much better overclocked clock speed (Water) | 3.93 GHz | vs | 1.2 GHz | More than 3.2x better overclocked clock speed (Water) | |||
| More cores | 2 | vs | 1 | Twice as many cores; run more applications at once | |||
Report a correction
Features Key features of the Atom Z615 vs Athlon II X2 255
clock speed
L2 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Atom Z615 | vs | Athlon II X2 255 |
|---|---|---|---|
| Clock speed | 1.6 GHz | 3.1 GHz | |
| Cores | Single core | Dual core | |
features | |||
| Has a NX bit | Yes | Yes | |
| Has virtualization support | No | Yes | |
| Instruction set extensions | |||
| SSE4a | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| 3DNow! | |||
| Supplemental SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 2.2W | 65W | |
| Annual home energy cost | 0.53 $/year | 42.79 $/year | |
| Annual commercial energy cost | 1.93 $/year | 113.7 $/year | |
| Typical power consumption | 1.79W | 116.42W | |
details | Atom Z615 | vs | Athlon II X2 255 |
|---|---|---|---|
| Architecture | x86 | x86-64 | |
| Threads | 2 | 2 | |
| L2 cache | 0.5 MB | 2 MB | |
| L2 cache per core | 0.5 MB/core | 1 MB/core | |
| Manufacture process | 45 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 1.2 GHz | 3.8 GHz | |
| Overclocked clock speed (Water) | 1.2 GHz | 3.93 GHz | |
| Overclocked clock speed (Air) | 1.2 GHz | 3.8 GHz | |
integrated graphics | |||
| GPU | GPU | None | |
| Label | Integrated | N/A | |
| GPU clock speed | 400 MHz | N/A | |
bus | |||
| Clock speed | 400 MHz | 2,000 MHz | |
 Intel Atom Z615  Report a correction |  AMD Athlon II X2 255 Report a correction |
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