Intel Core i7 4820K vs 4790K |
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Released April, 2014
Intel Core i7 4790K
- 4 GHz
- Quad core
- Unlocked
Reasons to buy the 4790K
 | Has a built-in GPU Yes |
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Differences What are the advantages of each
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| CPUBoss is not aware of any important advantages of the 4820K vs the 4790K. | |||||||
| |||||||
| Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
|---|---|---|---|---|---|---|---|
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Benchmarks Real world tests of Core i7 4820K vs 4790K
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)
Specifications Full list of technical specs
summary | Core i7 4820K | vs | 4790K |
|---|---|---|---|
| Clock speed | 3.7 GHz | 4 GHz | |
| Turbo clock speed | 3.9 GHz | 4.4 GHz | |
| Cores | Quad core | Quad core | |
| Is unlocked | Yes | Yes | |
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | No | |
| Has virtualization support | 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 | |
power consumption | |||
| TDP | 130W | 88W | |
| Annual home energy cost | 31.32 $/year | 21.2 $/year | |
| Annual commercial energy cost | 113.88 $/year | 77.09 $/year | |
| Performance per watt | 8.43 pt/W | 11.42 pt/W | |
| Typical power consumption | 105.63W | 71.5W | |
bus | |||
| Architecture | DMI 2.0 | DMI 2.0 | |
| Number of links | 1 | 0 | |
| Transfer rate | 5,000 MT/s | 5,000 MT/s | |
details | Core i7 4820K | vs | 4790K |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 8 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
| L3 cache | 10 MB | 8 MB | |
| L3 cache per core | 2.5 MB/core | 2 MB/core | |
| Manufacture process | 22 nm | 22 nm | |
| Max CPUs | 1 | 1 | |
| Operating temperature | Unknown - 66.8°C | Unknown - 74.04°C | |
overclocking | |||
| Overclocked clock speed | 4.57 GHz | 4.63 GHz | |
| Overclocked clock speed (Water) | 4.68 GHz | 4.8 GHz | |
| PassMark (Overclocked) | 5,294.9 | 6,925.3 | |
| Overclocked clock speed (Air) | 4.57 GHz | 4.63 GHz | |
integrated graphics | |||
| GPU | None | GPU | |
| Label | N/A | Intel® HD Graphics 4600 | |
| Number of displays supported | N/A | 3 | |
| GPU clock speed | N/A | 350 MHz | |
| Turbo clock speed | N/A | 1,250 MHz | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1866 | |||
| DDR3-1600 | |||
| DDR3L-1600 | |||
| DDR3-1333 | |||
| DDR3 | |||
| Channels | Quad Channel | Dual Channel | |
| Supports ECC | No | No | |
| Maximum bandwidth | 59,733.32 MB/s | 25,600 MB/s | |
| Maximum memory size | 65,536 MB | 32,768 MB | |
 Intel Core i7 4820K  Report a correction |  Intel Core i7 4790K Report a correction |
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