IntelBX80662I76700K
IntelBX80646I54690K

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

4 Cores, 4 Threads @3.5GHz, Haswell.
Release date: Q2 2014.

Real World Speed
Performance profile from 316,625 user samples
230,495 User Benchmarks
Best Bench: 102% Base clock 4 GHz, turbo 4.7 GHz (avg)
Worst Bench: 76% Base clock 4 GHz, turbo 0.8 GHz (avg)
Poor: 76% Great: 102%
SPEED RANK: 34th / 1129
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 90%
Nuclear submarine
Workstation
Workstation 66%
Battle cruiser
86,130 User Benchmarks
Best Bench: 99% Base clock 3.5 GHz
Worst Bench: 59% Base clock 3.5 GHz, turbo 3.7 GHz (avg)
Poor: 59% Great: 99%
SPEED RANK: 62nd / 1129
Gaming
Gaming 81%
Aircraft carrier
Desktop
Desktop 79%
Battleship
Workstation
Workstation 49%
Yacht
Effective Speed
Effective CPU Speed
88.9 % Slightly faster effective speed.
+10%
81 %
SC Mixed
Avg. Single Core Mixed Speed
126 Pts Slightly faster single-core speed.
+12%
112 Pts
QC Mixed
Avg. Quad Core Mixed Speed
432 Pts +3% 419 Pts
MC Mixed
Avg. Multi Core Mixed Speed
669 Pts Much faster multi-core speed.
+56%
428 Pts
SC Mixed
OC Single Core Mixed Speed
142 Pts Slightly faster OC single-core speed.
+8%
132 Pts
QC Mixed
OC Quad Core Mixed Speed
514 Pts 520 Pts +1%
MC Mixed
OC Multi Core Mixed Speed
757 Pts Much faster OC multi-core speed.
+45%
523 Pts
Market Share
Based on 11,544,189 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.97 % Hugely higher market share.
+101%
0.98 %
Value
Value For Money
88.5 % +4% 85.2 %
User Rating
UBM User Rating
81 % Slightly more popular.
+9%
74 %
Price
Price (score)
$295 $255 Slightly cheaper.
+13%
Age
Newest
38 Months More recent.
+28%
53 Months
TDP
Thermal Design Power (TDP)
91 Watts 88 Watts +3%
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 Slightly faster base frequency.
+14%
3.5 GHz
Turbo Clock
Turbo Clock Speed
4.2 GHz Slightly faster turbo frequency.
+8%
3.9 GHz
SC Int
Single Core Integer Speed
138 Pts +4% 133 Pts
SC Float
Single Core Floating Point Speed
147 Pts Slightly faster single-core fp speed.
+11%
133 Pts
QC Int
Quad Core Integer Speed
501 Pts 528 Pts Slightly faster quad-core int speed.
+5%
QC Float
Quad Core Floating Point Speed
535 Pts +2% 522 Pts
MC Int
Multi Core Integer Speed
693 Pts Much faster multi-core int speed.
+31%
528 Pts
MC Float
Multi Core Floating Point Speed
807 Pts Much faster multi-core fp speed.
+55%
522 Pts
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 $242.00 - $243.00
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 Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 1.2 GHz
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

More specs » More specs »
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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]

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The Intel Core i5-4690K is the latest incremental upgrade to Intel's unlocked mid-range quad core family of processors. The 4690K replaces the 4670K. Comparing the 4690K and 4670K shows that little has changed. The two chips share identical architecture; in fact the only difference between them is a 100 MHz bump to both the base and turbo clocks. The 100 MHz bump translates to an insignificant 2.9% performance increase. In terms of outright performance the 4690K has an effective speed of 103 which thanks to its superb single and dual core performance, is 12% stronger than the average of the group leaders. Overall the 4690K brings nothing new to the table so owners of previous flagship i5's will gain little by upgrading but as a new purchase the 4690K is a strong contender for both power users and high end gamers. [Jul '14 CPUPro]

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Processor Rankings (Price vs Performance) October 2018 CPU Rankings.

We calculate effective speed which measures real world performance for typical consumers. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. 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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Group Test Results

  • 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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