IntelBX80646I74790K
$348
Intel
 $348 

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

4 Cores, 8 Threads @3.1 GHz, Ivy Bridge.
Release date ≤ Q4 2013.

Real World Speed
Performance profile from 466,445 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: 251st / 1442
Gaming
Gaming 79%
Battleship
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 65%
Destroyer
10,699 User Benchmarks
Best Bench: 77% Base clock 3.1 GHz, turbo 3.95 GHz (avg)
Worst Bench: 56% Base clock 3.1 GHz, turbo 3.45 GHz (avg)
Poor: 56% Great: 77%
SPEED RANK: 417th / 1442
Gaming
Gaming 69%
Battle cruiser
Desktop
Desktop 73%
Battleship
Workstation
Workstation 55%
Gunboat
Effective Speed
Effective CPU Speed
78.9 % Faster effective speed.
+14%
69.3 %
Memory
Avg. Memory Latency
88.1 Pts Slightly lower memory latency.
+6%
83.4 Pts
1-Core
Avg. Single Core Speed
114 Pts Faster single-core speed.
+25%
91.1 Pts
2-Core
Avg. Dual Core Speed
216 Pts Faster dual-core speed.
+24%
174 Pts
4-Core
Avg. Quad Core Speed
378 Pts Faster quad-core speed.
+26%
301 Pts
8-Core
Avg. Octa Core Speed
560 Pts Faster octa-core speed.
+27%
440 Pts
Memory
OC Memory Latency
96.8 Pts +5% 92.5 Pts
1-Core
OC Single Core Speed
128 Pts Faster OC single-core speed.
+24%
103 Pts
2-Core
OC Dual Core Speed
248 Pts Faster OC dual-core speed.
+23%
201 Pts
4-Core
OC Quad Core Speed
433 Pts Faster OC quad-core speed.
+19%
365 Pts
8-Core
OC Octa Core Speed
643 Pts Much faster OC octa-core speed.
+33%
484 Pts
Market Share
Based on 67,695,084 CPUs tested
Market Share
Market Share (trailing 30 days)
0.68 % Insanely higher market share.
+3,300%
0.02 %
Value
Value For Money
74.2 % 93.2 % Better value.
+26%
User Rating
UBM User Rating
88 % Much more popular.
+66%
53 %
Price
Price (score)
$348 $95 Much cheaper.
+73%
Age
Newest
118 Months +4% 123+ Months
64-Core
OC Multi Core Speed
654 Pts Much faster OC 64-core speed.
+35%
485 Pts
64-Core
Avg. Multi Core Speed
573 Pts Faster 64-core speed.
+28%
448 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 $294.00 - $305.00
Max Turbo Frequency
Max Turbo Frequency
4.4 GHz 3.9 GHz
Bus Speed
Bus Speed
5 GT/s DMI2 5 GT/s DMI
Thermal Solution Specification
Thermal Solution Specification
PCG 2013D 2011C
Memory Types
Memory Types
DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V DDR3 1333/1600
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 4600 Intel® HD Graphics 4000
Graphics Base Frequency
Graphics Base Frequency
350 MHz 650 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.25 GHz 1.15 GHz
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 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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Processor Rankings (Price vs Performance) April 2024 CPU Rankings

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]

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  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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How it works

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  • - CPU tests include: integer, floating and string
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  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
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 Frequently Asked Questions

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