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IntelBX80647I74900MQ
IntelBX80646I74790K
$348
▲ 51279 ▼

4 Cores, 8 Threads @2.8GHz, Haswell.
Release date: Q1 2013.

VS
▲ 8841,575 ▼
 $348 

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

Effective Speed 
+17%
Real World Speed
Performance profile from 461,397 user samples
Benchmark your CPU here
5,651 User Benchmarks
Best Bench: 78% Base clock 2.8 GHz, turbo 4 GHz (avg)
Worst Bench: 44% Base clock 2.8 GHz, turbo 0.35 GHz (avg)
Poor: 44% Great: 78%
SPEED RANK: 450th / 1442
Gaming
Gaming 68%
Battle cruiser
Desktop
Desktop 71%
Battleship
Workstation
Workstation 54%
Yacht
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
Effective Speed
Effective CPU Speed 		67.6 % 78.9 % Faster effective speed.
+17%
Average Score 
+20%
Memory
Avg. Memory Latency 		78.3 Pts 88.1 Pts Lower memory latency.
+13%
1-Core
Avg. Single Core Speed 		93.4 Pts 114 Pts Faster single-core speed.
+22%
2-Core
Avg. Dual Core Speed 		180 Pts 216 Pts Faster dual-core speed.
+20%
4-Core
Avg. Quad Core Speed 		310 Pts 378 Pts Faster quad-core speed.
+22%
8-Core
Avg. Octa Core Speed 		449 Pts 560 Pts Faster octa-core speed.
+25%
Overclocked Score 
+13%
Memory
OC Memory Latency 		88.6 Pts 96.8 Pts Slightly lower OC memory latency.
+9%
1-Core
OC Single Core Speed 		110 Pts 128 Pts Faster OC single-core speed.
+16%
2-Core
OC Dual Core Speed 		214 Pts 248 Pts Faster OC dual-core speed.
+16%
4-Core
OC Quad Core Speed 		395 Pts 433 Pts Slightly faster OC quad-core speed.
+10%
8-Core
OC Octa Core Speed 		554 Pts 643 Pts Faster OC octa-core speed.
+16%
Value & Sentiment 
+1,322%
Market Share
Based on 67,757,092 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.01 % 0.54 % Insanely higher market share.
+5,300%
Value
Value For Money 		87.2 % Better value.
+18% 		74.2 %
User Rating
UBM User Rating 		51 % 88 % Much more popular.
+73%
Price
Price (score) 		$110 Much cheaper.
+68% 		$348
Nice To Haves 
+8%
Age
Newest 		133 Months 118 Months More recent.
+11%
TDP
Thermal Design Power (TDP) 		47 Watts Much more energy efficient.
+47% 		88 Watts
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 		2.8 GHz 4 GHz Much faster base frequency.
+43%
Turbo Clock
Turbo Clock Speed 		3.8 GHz 4.4 GHz Faster turbo frequency.
+16%
64-Core
OC Multi Core Speed 		554 Pts 654 Pts Faster OC 64-core speed.
+18%
64-Core
Avg. Multi Core Speed 		451 Pts 573 Pts Faster 64-core speed.
+27%
Specifications 
Series
CPU Architecture 		Haswell Haswell
Socket
Motherboard Socket 		FCPGA946 FCLGA1150
Graphics
Integrated Graphics 		HD 4600 HD 4600
Launch Date
Launch Date 		Q2'13 Q2'14
Recommended Price
Recommended Customer Price 		$568.00 - $570.00 $339.00 - $350.00
Max Turbo Frequency
Max Turbo Frequency 		3.8 GHz 4.4 GHz
Memory Types
Memory Types 		DDR3L 1333/1600 DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Graphics Base Frequency
Graphics Base Frequency 		400 MHz 350 MHz
Graphics Output
Graphics Output 		eDP/DP/HDMI/VGA eDP/DP/HDMI/DVI/VGA
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency 		1.3 GHz 1.25 GHz
Package Size
Package Size 		37.5mm x 37.5mm x 4.7mm 37.5mm x 37.5mm
vPro Tech
Intel® vPro™ Technology ‡ 		Yes No
Trusted Execution Tech
Intel® Trusted Execution Technology ‡ 		Yes No
PCI Express Revision
PCI Express Revision 		3 3.0
PCI Express Configurations
PCI Express Configurations ‡ 		1x16, 2x8, 1x8 2x4 Up to 1x16, 2x8, 1x8+2x4

More specs » More specs »
Conclusion 
Average Bench 67.6%
Average Bench 78.9%
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The i7-4900MQ is a top end 2013 Haswell Laptop CPU. It sports Intel's standard i7 configuration of four physical cores with support for eight hyper-threads. Comparing the 4990MQ and the flagship desktop i7-4770 shows that the performance gap between Desktop and Laptop CPUs no longer exists amongst top end Haswell based CPUs. Looking at the 4900MQ and the 3630QM Ivy Bridge Laptop CPU shows that the 4900MQ is around 30% faster, which is a big jump considering the relatively narrow age gap between the two. Overall the 4900MQ is a superb Laptop CPU that is able to give even the latest top of the range Desktop CPUs a run for their money. [Mar '14 CPUPro]

MORE DETAILS

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

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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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