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| 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 |
Features Key features of the Core i7 4790K vs Atom Z605
clock speed
Core i7 4790K
4 GHz
Atom Z605
1 GHz
L2 cache
Core i7 4790K
1 MB
Atom Z605
0.5 MB
overclocked clock speed (air)
Core i7 4790K
4.63 GHz
Atom Z605
1 GHz
overclocked clock speed (water)
Core i7 4790K
4.8 GHz
Atom Z605
1 GHz
TDP
Core i7 4790K
88W
Atom Z605
2W
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 ![]() | Intel Atom Z605 ![]() |
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