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IntelBX80662I76700K
IntelBX80646I54590
$188
▲ 7947,231 ▼

4 Cores, 8 Threads @4.0GHz, Skylake.
Release date: Q3 2015.

VS
▲ 626,343 ▼
 $188 

4 Cores, 4 Threads @3.3GHz, Haswell.
Release date: Q3 2014.

Effective Speed 
+27%
Real World Speed
Performance profile from 740,344 user samples
Benchmark your CPU here
588,978 User Benchmarks
Best Bench: 90% Base clock 4 GHz, turbo 4.8 GHz (avg)
Worst Bench: 70% Base clock 4 GHz, turbo 0.8 GHz (avg)
Poor: 70% Great: 90%
SPEED RANK: 243rd / 1468
Gaming
Gaming 81%
Aircraft carrier
Desktop
Desktop 85%
Aircraft carrier
Workstation
Workstation 67%
Battle cruiser
151,366 User Benchmarks
Best Bench: 73% Base clock 3.3 GHz, turbo 3.7 GHz (avg)
Worst Bench: 45% Base clock 3.3 GHz, turbo 0.8 GHz (avg)
Poor: 45% Great: 73%
SPEED RANK: 550th / 1468
Gaming
Gaming 63%
Destroyer
Desktop
Desktop 69%
Battle cruiser
Workstation
Workstation 47%
Yacht
Effective Speed
Effective CPU Speed 		80.8 % Faster effective speed.
+27% 		63.5 %
Average Score 
+41%
Memory
Avg. Memory Latency 		88.6 Pts Lower memory latency.
+15% 		76.9 Pts
1-Core
Avg. Single Core Speed 		119 Pts Much faster single-core speed.
+31% 		90.6 Pts
2-Core
Avg. Dual Core Speed 		224 Pts Faster dual-core speed.
+26% 		178 Pts
4-Core
Avg. Quad Core Speed 		395 Pts Much faster quad-core speed.
+38% 		287 Pts
8-Core
Avg. Octa Core Speed 		597 Pts Hugely faster octa-core speed.
+94% 		307 Pts
Overclocked Score 
+39%
Memory
OC Memory Latency 		95.9 Pts +5% 91.7 Pts
1-Core
OC Single Core Speed 		137 Pts Much faster OC single-core speed.
+37% 		100 Pts
2-Core
OC Dual Core Speed 		258 Pts Much faster OC dual-core speed.
+32% 		196 Pts
4-Core
OC Quad Core Speed 		459 Pts Much faster OC quad-core speed.
+31% 		350 Pts
8-Core
OC Octa Core Speed 		696 Pts Hugely faster OC octa-core speed.
+93% 		361 Pts
Value & Sentiment 
+32%
Market Share
Based on 69,001,477 CPUs tested
See market share leaders
Market Share
Market Share (trailing 30 days) 		0.59 % Higher market share.
+28% 		0.46 %
Value
Value For Money 		100 % Much better value.
+42% 		70.7 %
User Rating
UBM User Rating 		79 % More popular.
+27% 		62 %
Price
Price (score) 		$127 Much cheaper.
+32% 		$188
Nice To Haves 
+41%
Age
Newest 		111 Months More recent.
+10% 		124 Months
TDP
Thermal Design Power (TDP) 		91 Watts 84 Watts Slightly more energy efficient.
+8%
Cores
CPU Processing Cores 		4 cores 4 cores
Threads
CPU Processing Threads 		8 threads Hugely higher thread count.
+100% 		4 threads
Lithography
Manufacturing process 		14 nm Much newer manufacturing.
+36% 		22 nm
Base Clock
Base Clock Speed 		4 GHz Faster base frequency.
+21% 		3.3 GHz
Turbo Clock
Turbo Clock Speed 		4.2 GHz Faster turbo frequency.
+14% 		3.7 GHz
64-Core
OC Multi Core Speed 		716 Pts Hugely faster OC 64-core speed.
+98% 		361 Pts
64-Core
Avg. Multi Core Speed 		612 Pts Hugely faster 64-core speed.
+98% 		309 Pts
Specifications 
Series
CPU Architecture 		Skylake Haswell
Socket
Motherboard Socket 		FCLGA1151 FCLGA1150
Graphics
Integrated Graphics 		HD 530 HD 4600
Launch Date
Launch Date 		Q3'15 Q2'14
Cache
Cache 		8 MB SmartCache 6 MB SmartCache
Lithography
Lithography 		14 nm 22 nm
Recommended Price
Recommended Customer Price 		$339.00 - $350.00 $192.00 - $202.00
Max Turbo Frequency
Max Turbo Frequency 		4.2 GHz 3.7 GHz
Bus Speed
Bus Speed 		8 GT/s DMI3 5 GT/s DMI2
Thermal Solution Specification
Thermal Solution Specification 		PCG 2015D (130W) PCG 2013D
Max Memory Size
Max Memory Size (dependent on memory type) 		64 GB 32 GB
Memory Types
Memory Types 		DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V
Memory Bandwidth
Max Memory Bandwidth 		34.1 GB/s 25.6 GB/s
Processor Graphics
Processor Graphics ‡ 		Intel® HD Graphics 530 Intel® HD Graphics 4600
Graphics Output
Graphics Output 		eDP/DP/HDMI/DVI eDP/DP/HDMI/VGA
Graphics Video Max Memory
Graphics Video Max Memory 		64 GB 2 GB
Graphics and IMC Lithography
Graphics and IMC Lithography 		14 nm 22 nm
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡ 		Yes No
TSX-NI
Intel® TSX-NI 		Yes No
vPro Tech
Intel® vPro™ Technology ‡ 		No Yes
Stable Image Platform Program (SIPP)
Intel® Stable Image Platform Program (SIPP) 		No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡ 		No Yes
PCI Express Revision
PCI Express Revision 		3.0 Up to 3.0

More specs » More specs »
Conclusion 
Average Bench 80.8%
Average Bench 63.5%

The Core i7-6700K is Intel's latest "Skylake" flagship processor. It replaces the hugely successful i7-4790K and takes the crown as the fastest mainstream consumer CPU available. Comparing performance and specs between the 4790K and 6700K shows that the configuration is largely unchanged (same base clocks, cores, threads) but the improved manufacturing process (14nm) brings a small reduction in TDP and a performance improvement of 8%; almost exactly the same jump as between the Ivy Bridge 3770K and Haswell 4770K. Owners of any unlocked-K Intel CPU from Sandy Bridge or onwards still have no real reason to upgrade as the performance improvements are largely academic but the i7-6700K will be the CPU of choice for the vast majority of top end PC builds in 2015. [Aug '15 CPUPro]

MORE DETAILS

The Intel Core i5-4590 is a slightly upgraded version of the i5-4570. The two processors are identical apart from a 100 MHz increase in base and turbo frequencies. Needless to say the two processors have almost identical effective speeds which is a little disappointing as Intel has simply re-released a near identical product. From a value for money perspective the 4590 does fare reasonably well although it probably has more multi-core horsepower than most use cases demand. For the majority of users, at stock clocks, the G3258 provides comparable performance but with a few simple BIOS adjustments the G3258 can be clocked up to 4.3 GHz where, even at half the price, it destroys the i5-4570 in single and dual core workloads. [Sep '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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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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