IntelBX80646I74790
IntelBX80662I76700K
Real World Speed
Performance profile from 168,376 user samples
31,212 User Benchmarks
Best Bench: 85% Base clock 3.6 GHz, turbo 4 GHz (avg)
Worst Bench: 64% Base clock 3.6 GHz, turbo 0.8 GHz (avg)
Poor: 64% Great: 85%
SPEED RANK: 50th / 966
Gaming
Gaming 76%
Battleship
Desktop
Desktop 77%
Battleship
Workstation
Workstation 56%
Gunboat
137,164 User Benchmarks
Best Bench: 106% Base clock 4 GHz, turbo 5 GHz (avg)
Worst Bench: 81% Base clock 4 GHz, turbo 0.55 GHz (avg)
Poor: 81% Great: 106%
SPEED RANK: 11th / 966
Gaming
Gaming 92%
Nuclear submarine
Desktop
Desktop 93%
Nuclear submarine
Workstation
Workstation 68%
Battle cruiser
Effective Speed
Effective CPU Speed
76.1 % -22% 92.4 % Faster effective speed.
+22%
SC Mixed
Avg. Single Core Mixed Speed
107 Pts -21% 129 Pts Faster single-core speed.
+21%
QC Mixed
Avg. Quad Core Mixed Speed
373 Pts -22% 454 Pts Faster quad-core speed.
+22%
MC Mixed
Avg. Multi Core Mixed Speed
561 Pts -23% 692 Pts Faster multi-core speed.
+23%
SC Mixed
OC Single Core Mixed Speed
116 Pts -24% 144 Pts Faster OC single-core speed.
+24%
QC Mixed
OC Quad Core Mixed Speed
432 Pts -22% 529 Pts Faster OC quad-core speed.
+22%
MC Mixed
OC Multi Core Mixed Speed
602 Pts -29% 777 Pts Faster OC multi-core speed.
+29%
Market Share
Based on 4,408,643 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.05 % -180% 2.94 % Hugely higher market share.
+180%
Value
Value For Money
74.8 % -23% 92 % Better value.
+23%
User Rating
UBM User Rating
78 % -27% 99 % More popular.
+27%
Price
Price (score)
$305 -3% $295 +3%
Age
Newest
38 Months -39% 23 Months Much more recent.
+39%
TDP
Thermal Design Power (TDP)
84 Watts Slightly more energy efficient.
+8%
91 Watts -8%
Cores
CPU Processing Cores
4 cores 0% 4 cores 0%
Threads
CPU Processing Threads
8 threads 0% 8 threads 0%
Lithography
Manufacturing process
22 nm -36% 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed
3.6 GHz -11% 4 GHz Slightly faster base frequency.
+11%
Turbo Clock
Turbo Clock Speed
4 GHz -5% 4.2 GHz +5%
SC Int
Single Core Integer Speed
117 Pts -20% 140 Pts Faster single-core int speed.
+20%
SC Float
Single Core Floating Point Speed
120 Pts -23% 148 Pts Faster single-core fp speed.
+23%
QC Int
Quad Core Integer Speed
439 Pts -19% 523 Pts Faster quad-core int speed.
+19%
QC Float
Quad Core Floating Point Speed
446 Pts -24% 554 Pts Faster quad-core fp speed.
+24%
MC Int
Multi Core Integer Speed
571 Pts -25% 716 Pts Faster multi-core int speed.
+25%
MC Float
Multi Core Floating Point Speed
610 Pts -33% 814 Pts Much faster multi-core fp speed.
+33%
Series
CPU Architecture
Haswell (2013) Skylake (2015)
Socket
Motherboard Socket
FCLGA1150 FCLGA1151
Graphics
Integrated Graphics
HD 4600 HD 530
Launch Date
Launch Date
Q2'14 Q3'15
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$303.00 - $312.00 $339.00 - $350.00
Bus Speed
Bus Speed
5 GT/s DMI2 8 GT/s DMI3
Thermal Solution Specification
Thermal Solution Specification
PCG 2013D PCG 2015D (130W)
Max Memory Size
Max Memory Size (dependent on memory type)
32 GB 64 GB
Memory Types
Memory Types
DDR3-1333/1600, DDR3L-1333/1600 @ 1.5V DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Memory Bandwidth
Max Memory Bandwidth
25.6 GB/s 34.1 GB/s
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 4600 Intel® HD Graphics 530
Graphics Output
Graphics Output
eDP/DP/HDMI/DVI/VGA eDP/DP/HDMI/DVI
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.2 GHz 1.15 GHz
Graphics Video Max Memory
Graphics Video Max Memory
2 GB 64 GB
Graphics and IMC Lithography
Graphics and IMC Lithography
22 nm 14 nm
TSX-NI
Intel® TSX-NI
No Yes
vPro Tech
Intel® vPro Technology ‡
Yes No
Stable Image Platform Program (SIPP)
Intel® Stable Image Platform Program (SIPP)
Yes No
Trusted Execution Tech
Trusted Execution Technology ‡
Yes No
PCI Express Revision
PCI Express Revision
Up to 3.0 3.0

More specs » More specs »
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The Core i7-4790 is the third upgrade to Intel's flagship quad core hyper-threaded CPU. This version, like its predecessor the i7-4771, gets a 100 MHz bump in stock frequency and additionally the i7-4790 also gets a 100 MHz turbo frequency bump. These improvements (~4%) are marginal and practically impossible to discern in day to day use. Looking at a benchmark comparison between the 4771 and 4790 verifies that there is little difference between the two CPUs. Although the i7-4790 isn't much of a step forward, it's still one of the best (locked) mainstream processors on the market. AMD hasn't been able to compete with Intel on single threaded performance for several years, consequently Intel have no need to push the envelope. Overclockers should wait for the 4790K which is rumoured to be released shortly. [May '14 CPUPro]

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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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Processor Rankings (Price vs Performance) July 2017 CPU Rankings.

Welcome to our desktop CPU comparison. We calculate effective speed which measures real world performance for typical consumers. Effective speed is adjusted by price to yield a value for money rating which is geared towards gamers. Calculated values don't always paint the whole picture so we check them against hundreds of individual user ratings. The customizable table below combines these factors and more to bring you the definitive list of top CPUs. [CPUPro]

How Fast Is Your CPU? (Bench your build) Size up your PC in less than a minute.

Welcome to our freeware 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 upgrades.

UserBenchmark of the month

How it works

  • - Download and run UserBenchMark (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - RAM tests include: single/multi core bandwidth and latency.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

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CPUGPUSSD
Intel Core i7-7700K $295Nvidia GTX 1070 $380Samsung 850 Evo 250GB $97
AMD Ryzen 7 1700 $268AMD RX 480 $410Samsung 850 Pro 256GB $120
Intel Core i5-7600K $235Nvidia GTX 1060-6GB $269Samsung 850 Evo 500GB $165
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3000 C15 2x8GB $137SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $714SanDisk Extreme 32GB $23
Seagate Barracuda 7200.14 1TB $44HyperX Fury DDR4 2133 C14 2x8GB $128SanDisk Ultra Fit 32GB $13
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