IntelBX80646I74790K
$348
Intel
 $348 

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

4 Cores, 8 Threads @3.4 GHz, Ivy Bridge.
Release date ≤ Q1 2014.

Real World Speed
Performance profile from 458,188 user samples
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
2,442 User Benchmarks
Best Bench: 80% Base clock 3.8 GHz, turbo 4 GHz (avg)
Worst Bench: 63% Base clock 3.4 GHz, turbo 3.65 GHz (avg)
Poor: 63% Great: 80%
SPEED RANK: 357th / 1452
Gaming
Gaming 73%
Battleship
Desktop
Desktop 76%
Battleship
Workstation
Workstation 58%
Gunboat
Effective Speed
Effective CPU Speed
78.9 % Slightly faster effective speed.
+9%
72.6 %
Memory
Avg. Memory Latency
88.1 Pts +4% 84.8 Pts
1-Core
Avg. Single Core Speed
114 Pts Faster single-core speed.
+18%
96.9 Pts
2-Core
Avg. Dual Core Speed
216 Pts Faster dual-core speed.
+16%
187 Pts
4-Core
Avg. Quad Core Speed
378 Pts Faster quad-core speed.
+15%
329 Pts
8-Core
Avg. Octa Core Speed
560 Pts Faster octa-core speed.
+18%
475 Pts
Memory
OC Memory Latency
96.8 Pts +3% 93.7 Pts
1-Core
OC Single Core Speed
128 Pts Faster OC single-core speed.
+22%
105 Pts
2-Core
OC Dual Core Speed
248 Pts Faster OC dual-core speed.
+18%
210 Pts
4-Core
OC Quad Core Speed
433 Pts Faster OC quad-core speed.
+10%
393 Pts
8-Core
OC Octa Core Speed
643 Pts Faster OC octa-core speed.
+27%
506 Pts
Market Share
Based on 68,065,530 CPUs tested
Market Share
Market Share (trailing 30 days)
0.62 % Insanely higher market share.
+∞%
0 %
Value
Value For Money
74.2 % Better value.
+10%
67.3 %
User Rating
UBM User Rating
89 % Much more popular.
+71%
52 %
Price
Price (score)
$348 Slightly cheaper.
+5%
$368
Age
Newest
120 Months +2% 123+ Months
64-Core
OC Multi Core Speed
654 Pts Faster OC 64-core speed.
+29%
508 Pts
64-Core
Avg. Multi Core Speed
573 Pts Faster 64-core speed.
+19%
481 Pts
Launch Date
Launch Date
Q2'14 Q2'12
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX 2.0 SSE4.1/4.2, AVX
Recommended Price
Recommended Customer Price
$339.00 - $350.00 $266.00 - $273.00
Max Turbo Frequency
Max Turbo Frequency
4.4 GHz 3.8 GHz
Bus Speed
Bus Speed
5 GT/s DMI2 5 GT/s DMI
Memory Types
Memory Types
DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V DDR3 1333/1600
ECC Memory Supported
ECC Memory Supported ‡
No Yes
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 4600 Intel® HD Graphics P4000
Graphics Base Frequency
Graphics Base Frequency
350 MHz 650 MHz
vPro Tech
Intel® vPro™ Technology ‡
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
No Yes
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16, 2x8, 1x8+2x4 1x16 & 1x4, 2x8 & 1x4 or 1x8 & 3x4

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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