Intel
IntelBX80646I74790K
$348
  

4 Cores, 8 Threads @2.40 GHz, 28 W.
Release date ≈ Q2 2019.

 $348 

4 Cores, 8 Threads @4.0GHz, Haswell.
Release date: Q2 2014.

Real World Speed
Performance profile from 456,486 user samples
740 User Benchmarks
Best Bench: 86% Base clock 2.4 GHz, turbo 3.9 GHz (avg)
Worst Bench: 54% Base clock 2.4 GHz, turbo 1.6 GHz (avg)
Poor: 54% Great: 86%
SPEED RANK: 325th / 1452
Gaming
Gaming 74%
Battleship
Desktop
Desktop 79%
Battleship
Workstation
Workstation 60%
Gunboat
455,746 User Benchmarks
Best Bench: 87% Base clock 4 GHz, turbo 4.6 GHz (avg)
Worst Bench: 67% Base clock 4 GHz, turbo 0.7 GHz (avg)
Poor: 67% Great: 87%
SPEED RANK: 259th / 1452
Gaming
Gaming 79%
Battleship
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 65%
Destroyer
Effective Speed
Effective CPU Speed
74.2 % 78.9 % Slightly faster effective speed.
+6%
Memory
Avg. Memory Latency
81.4 Pts 88.1 Pts Slightly lower memory latency.
+8%
1-Core
Avg. Single Core Speed
113 Pts 114 Pts +1%
2-Core
Avg. Dual Core Speed
218 Pts +1% 216 Pts
4-Core
Avg. Quad Core Speed
368 Pts 378 Pts +3%
8-Core
Avg. Octa Core Speed
505 Pts 560 Pts Faster octa-core speed.
+11%
Memory
OC Memory Latency
91.9 Pts 96.8 Pts Slightly lower OC memory latency.
+5%
1-Core
OC Single Core Speed
129 Pts +1% 128 Pts
2-Core
OC Dual Core Speed
257 Pts +4% 248 Pts
4-Core
OC Quad Core Speed
469 Pts Slightly faster OC quad-core speed.
+8%
433 Pts
8-Core
OC Octa Core Speed
644 Pts +0% 643 Pts
Market Share
Based on 68,075,867 CPUs tested
Market Share
Market Share (trailing 30 days)
0.01 % 0.67 % Insanely higher market share.
+6,600%
User Rating
UBM User Rating
50 % 88 % Much more popular.
+76%
Age
Newest
60+ Months Much more recent.
+50%
120 Months
64-Core
OC Multi Core Speed
623 Pts 654 Pts +5%
64-Core
Avg. Multi Core Speed
497 Pts 573 Pts Faster 64-core speed.
+15%
Launch Date
Launch Date
Q2'19 Q2'14
Cache
Cache
6 MB Intel® Smart Cache 8 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 SSE4.1/4.2, AVX 2.0
Lithography
Lithography
14 nm 22 nm
Max Turbo Frequency
Max Turbo Frequency
4.10 GHz 4.4 GHz
Bus Speed
Bus Speed
4 GT/s 5 GT/s DMI2
Memory Types
Memory Types
DDR4-2400, LPDDR3-2133 DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Memory Bandwidth
Max Memory Bandwidth
37.5 GB/s 25.6 GB/s
Processor Graphics
Processor Graphics ‡
Intel® Iris® Plus Graphics 655 Intel® HD Graphics 4600
Graphics Base Frequency
Graphics Base Frequency
300 MHz 350 MHz
Graphics Output
Graphics Output
eDP/DP/HDMI/DVI eDP/DP/HDMI/DVI/VGA
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 1.25 GHz
Graphics Video Max Memory
Graphics Video Max Memory
32 GB 2 GB
Package Size
Package Size
46x24 37.5mm x 37.5mm
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
2 2.0
PCI Express Revision
PCI Express Revision
3 3.0
PCI Express Configurations
PCI Express Configurations ‡
1x4, 2x2, 1x2+2x1 and 4x1 Up to 1x16, 2x8, 1x8+2x4

More specs » More specs »
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The Intel Core i7-4790K, codenamed Devil's Canyon, is an upgraded 4770K, Intel's current flagship i7. The 4790K features an improved thermal interface which enables it to dissipate heat more efficiently than the 4770K. Comparing the 4770K and 4790K shows that stock performance has improved by 13% which is consistent with the base clock jump from 3.5 GHz to 4.0 GHz. OC performance remains unchanged. Comparing the 4790K and 4790 shows that at stock clocks the 4790K is around 16% faster which considering the small price difference makes the 4790K a far better choice. Previously Intel targeted the unlocked K versions at overclockers but with Devil's Canyon they have included VT-d on the K chip and this time it's squarely aimed at both power users and overclockers alike. Until the release of Broadwell in six months, the 4790K is the high end CPU of choice. [Jul '14 CPUPro]

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