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IntelBX80646I74790K
$348
IntelAW8063801106200
▲ 8841,572 ▼
 $348 

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

VS
▲ 561,695 ▼

4 Cores, 8 Threads @2.4GHz, Ivy Bridge.
Release date: Q1 2012.

Effective Speed 
+30%
Real World Speed
Performance profile from 521,673 user samples
Benchmark your CPU here
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
65,927 User Benchmarks
Best Bench: 69% Base clock 2.4 GHz, turbo 3.2 GHz (avg)
Worst Bench: 42% Base clock 2.4 GHz, turbo 3.2 GHz (avg)
Poor: 42% Great: 69%
SPEED RANK: 567th / 1442
Gaming
Gaming 61%
Destroyer
Desktop
Desktop 64%
Destroyer
Workstation
Workstation 47%
Yacht
Effective Speed
Effective CPU Speed 		78.9 % Faster effective speed.
+30% 		60.8 %
Average Score 
+45%
Memory
Avg. Memory Latency 		88.1 Pts Lower memory latency.
+15% 		76.8 Pts
1-Core
Avg. Single Core Speed 		114 Pts Much faster single-core speed.
+51% 		75.7 Pts
2-Core
Avg. Dual Core Speed 		216 Pts Much faster dual-core speed.
+49% 		145 Pts
4-Core
Avg. Quad Core Speed 		378 Pts Much faster quad-core speed.
+54% 		245 Pts
8-Core
Avg. Octa Core Speed 		560 Pts Much faster octa-core speed.
+59% 		353 Pts
Overclocked Score 
+40%
Memory
OC Memory Latency 		96.8 Pts Lower OC memory latency.
+11% 		87 Pts
1-Core
OC Single Core Speed 		128 Pts Much faster OC single-core speed.
+48% 		86.3 Pts
2-Core
OC Dual Core Speed 		248 Pts Much faster OC dual-core speed.
+47% 		169 Pts
4-Core
OC Quad Core Speed 		433 Pts Much faster OC quad-core speed.
+42% 		305 Pts
8-Core
OC Octa Core Speed 		643 Pts Much faster OC octa-core speed.
+50% 		429 Pts
Value & Sentiment 
+353%
Market Share
Based on 67,712,866 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.56 % Insanely higher market share.
+1,300% 		0.04 %
Value
Value For Money 		74.2 % Much better value.
+37% 		54.2 %
User Rating
UBM User Rating 		88 % Much more popular.
+57% 		56 %
Price
Price (score) 		$348 Cheaper.
+17% 		$420
Nice To Haves 
+20%
Age
Newest 		118 Months More recent.
+20% 		147 Months
TDP
Thermal Design Power (TDP) 		88 Watts 45 Watts Much more energy efficient.
+49%
Cores
CPU Processing Cores 		4 cores 4 cores
Threads
CPU Processing Threads 		8 threads 8 threads
Lithography
Manufacturing process 		22 nm 22 nm
Base Clock
Base Clock Speed 		4 GHz Much faster base frequency.
+67% 		2.4 GHz
Turbo Clock
Turbo Clock Speed 		4.4 GHz Faster turbo frequency.
+29% 		3.4 GHz
64-Core
OC Multi Core Speed 		654 Pts Much faster OC 64-core speed.
+51% 		434 Pts
64-Core
Avg. Multi Core Speed 		573 Pts Much faster 64-core speed.
+59% 		361 Pts
Specifications 
Series
CPU Architecture 		Haswell Ivy Bridge
Socket
Motherboard Socket 		FCLGA1150 FCPGA988
Graphics
Integrated Graphics 		HD 4600 HD 4000
Launch Date
Launch Date 		Q2'14 Q3'12
Cache
Cache 		8 MB SmartCache 6 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions 		SSE4.1/4.2, AVX 2.0 AVX
Recommended Price
Recommended Customer Price 		$339.00 - $350.00 $378.00
Max Turbo Frequency
Max Turbo Frequency 		4.4 GHz 3.4 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/L/-RS 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 Output
Graphics Output 		eDP/DP/HDMI/DVI/VGA eDP/DP/HDMI/SDVO/CRT
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency 		1.25 GHz 1.15 GHz
Package Size
Package Size 		37.5mm x 37.5mm 37.5 x 37.5mm (rPGA988B)
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡ 		Yes No
PCI Express Configurations
PCI Express Configurations ‡ 		Up to 1x16, 2x8, 1x8+2x4 1x16, 2x8, 1x8 2x4

More specs » More specs »
Conclusion 
Average Bench 78.9%
Average Bench 60.8%
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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]

MORE DETAILS

The Core i7-3630QM has been included in the CPU group test as a reference Mobile CPU. This third generation Ivy Bridge processor has proven hugely successful and powers a significant proportion of today's high end laptops. Compared to desktop processors certain compromises have to be made and that is clear from the benchmarks. In terms of real world horsepower the i7-3630QM is comparable to first generation, and three years older, Core i7 Desktop processors. Where the Mobile processors excel is on energy efficiency and with a TDP of just 45 watts the 3630QM is the least power hungry processor in the group test. [Feb '12 CPUPro]

MORE DETAILS

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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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