Intel Core i7 4790K vs Atom Z605 |
Released April, 2014
Intel Core i7 4790K
- 4 GHz
- Quad core
- Unlocked
Reasons to buy the Intel Core i7 4790K
 | Much higher clock speed 4 GHz | | Much newer manufacturing process 22 nm |
| | More l2 cache 1 MB | | Much better overclocked clock speed (Air) 4.63 GHz |
VS
Released May, 2010
Intel Atom Z605
- 1 GHz
- Single core
Reasons to buy the Atom Z605
| | Much lower typical power consumption 1.63W | | More l2 cache per core 0.5 MB/core |
| | Much lower annual home energy cost 0.48 $/year | | Much lower annual commercial energy cost 1.75 $/year |
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Differences What are the advantages of each
| |||||||
| Much higher clock speed | 4 GHz | vs | 1 GHz | 4x higher clock speed | |||
|---|---|---|---|---|---|---|---|
| Much newer manufacturing process | 22 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| More l2 cache | 1 MB | vs | 0.5 MB | 2x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Much better overclocked clock speed (Air) | 4.63 GHz | vs | 1 GHz | Around 4.8x better overclocked clock speed (Air) | |||
| More cores | 4 | vs | 1 | 3 more cores; run more applications at once | |||
| More threads | 8 | vs | 2 | 6 more threads | |||
| Newer | Apr, 2014 | vs | May, 2010 | Release date over 3 years later | |||
| Much better overclocked clock speed (Water) | 4.8 GHz | vs | 1 GHz | More than 4.8x better overclocked clock speed (Water) | |||
| |||||||
| Much lower typical power consumption | 1.63W | vs | 71.5W | 44x lower typical power consumption | |||
| More l2 cache per core | 0.5 MB/core | vs | 0.25 MB/core | 2x more l2 cache per core | |||
| Much lower annual home energy cost | 0.48 $/year | vs | 21.2 $/year | 44x lower annual home energy cost | |||
| Much lower annual commercial energy cost | 1.75 $/year | vs | 77.09 $/year | 44x lower annual commercial energy cost | |||
Report a correction
Features Key features of the Core i7 4790K vs Atom Z605
clock speed
L2 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Core i7 4790K | vs | Atom Z605 |
|---|---|---|---|
| Clock speed | 4 GHz | 1 GHz | |
| Cores | Quad core | Single core | |
features | |||
| Has a NX bit | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| F16C | |||
| MMX | |||
| SSE4 | |||
| AVX | |||
| SSE3 | |||
| EM64T | |||
| SSE | |||
| SSE4.1 | |||
| FMA3 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| AES | |||
| AVX 2.0 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
details | Core i7 4790K | vs | Atom Z605 |
|---|---|---|---|
| Threads | 8 | 2 | |
| L2 cache | 1 MB | 0.5 MB | |
| L2 cache per core | 0.25 MB/core | 0.5 MB/core | |
| Manufacture process | 22 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
overclocking | |||
| Overclocked clock speed | 4.63 GHz | 1 GHz | |
| Overclocked clock speed (Water) | 4.8 GHz | 1 GHz | |
| Overclocked clock speed (Air) | 4.63 GHz | 1 GHz | |
power consumption | |||
| TDP | 88W | 2W | |
| Annual home energy cost | 21.2 $/year | 0.48 $/year | |
| Annual commercial energy cost | 77.09 $/year | 1.75 $/year | |
| Typical power consumption | 71.5W | 1.63W | |
 Intel Core i7 4790K  Report a correction |  Intel Atom Z605 Report a correction |
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