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| Intel Core i7 4790K vs 3960X |
Released April, 2014
Intel Core i7 4790K
- 4 GHz
- Quad core
- Unlocked
Reasons to buy the Intel Core i7 4790K
![]() | Has a built-in GPU Yes |
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Differences What are the advantages of each
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Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
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CPUBoss is not aware of any important advantages of the 3960X Extreme Edition vs the 4790K. | |||||||
Benchmarks Real world tests of Core i7 4790K vs 3960X
CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench
Core i7 4790K
233.07 fps
Core i7 3960X
63.21 fps
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core i7 4790K
15,490
Core i7 3960X
18,528
GeekBench 3 (Single core) Data courtesy Primate Labs
Core i7 4790K
4,004
Core i7 3960X
3,267
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core i7 4790K
5,140,000 MB/s
Core i7 3960X
2,595,000 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Core i7 4790K
15,465
Core i7 3960X
19,457
GeekBench (64-bit) Data courtesy Primate Labs
Core i7 4790K
16,653
Core i7 3960X
20,406
PassMark Data courtesy Passmark
Core i7 4790K
11,194
Core i7 3960X
12,802
PassMark (Single Core)
Core i7 4790K
2,530
Core i7 3960X
2,015
Reviews Word on the street
Core i7 4790K | vs | 3960X | ||
![]() | 8.0 | 8.0 |
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Specifications Full list of technical specs
summary | Core i7 4790K | vs | 3960X |
---|---|---|---|
Clock speed | 4 GHz | 3.3 GHz | |
Turbo clock speed | 4.4 GHz | 3.9 GHz | |
Cores | Quad core | Hexa 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 | 88W | 130W | |
Annual home energy cost | 21.2 $/year | 56.39 $/year | |
Annual commercial energy cost | 77.09 $/year | 184.84 $/year | |
Performance per watt | 11.42 pt/W | 5.04 pt/W | |
Typical power consumption | 71.5W | 176.72W | |
bus | |||
Architecture | DMI 2.0 | DMI 2.0 | |
Number of links | 0 | 1 | |
Transfer rate | 5,000 MT/s | 5,000 MT/s |
details | Core i7 4790K | vs | 3960X |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 8 | 12 | |
L2 cache | 1 MB | 2 MB | |
L2 cache per core | 0.25 MB/core | 0.33 MB/core | |
L3 cache | 8 MB | 15 MB | |
L3 cache per core | 2 MB/core | 2.5 MB/core | |
Manufacture process | 22 nm | 32 nm | |
Max CPUs | 1 | 1 | |
Operating temperature | Unknown - 74.04°C | Unknown - 66.8°C | |
overclocking | |||
Overclocked clock speed | 4.63 GHz | 4.76 GHz | |
Overclocked clock speed (Water) | 4.8 GHz | 4.58 GHz | |
PassMark (Overclocked) | 6,925.3 | 7,065.9 | |
Overclocked clock speed (Air) | 4.63 GHz | 4.76 GHz | |
integrated graphics | |||
GPU | GPU | None | |
Label | Intel® HD Graphics 4600 | N/A | |
Number of displays supported | 3 | N/A | |
GPU clock speed | 350 MHz | N/A | |
Turbo clock speed | 1,250 MHz | N/A | |
memory controller | |||
Memory controller | Built-in | Built-in | |
Memory type | |||
DDR3-1600 | |||
DDR3L-1600 | |||
DDR3-1333 | |||
DDR3-1066 | |||
DDR3 | |||
Channels | Dual Channel | Quad Channel | |
Supports ECC | No | No | |
Maximum bandwidth | 25,600 MB/s | 51,200 MB/s | |
Maximum memory size | 32,768 MB | 65,536 MB |
Intel Core i7 4790K ![]() | Intel Core i7 3960X ![]() |
Desktops
Looking for a desktop?
- 8 desktops with the Intel Core i7 4790K, starting from $1,399
- 1 desktop with the Intel Core i7 3960X, starting from $1,589
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