IntelBX80646I74790
IntelBX80662I76700K
Real World Speed
Performance profile from 168,632 user samples
34,420 User Benchmarks
Best Bench: 85% Base clock 3.6 GHz, turbo 4 GHz (avg)
Worst Bench: 67% Base clock 3.6 GHz, turbo 0.2 GHz (avg)
Poor: 67% Great: 85%
SPEED RANK: 52nd / 971
Gaming
Gaming 77%
Battleship
Desktop
Desktop 78%
Battleship
Workstation
Workstation 57%
Gunboat
134,212 User Benchmarks
Best Bench: 106% Base clock 4 GHz, turbo 4.8 GHz (avg)
Worst Bench: 79% Base clock 4 GHz, turbo 0.8 GHz (avg)
Poor: 79% Great: 106%
SPEED RANK: 16th / 971
Gaming
Gaming 92%
Nuclear submarine
Desktop
Desktop 92%
Nuclear submarine
Workstation
Workstation 68%
Battle cruiser
Effective Speed
Effective CPU Speed
76.7 % -20% 91.6 % Faster effective speed.
+20%
SC Mixed
Avg. Single Core Mixed Speed
108 Pts -19% 128 Pts Faster single-core speed.
+19%
QC Mixed
Avg. Quad Core Mixed Speed
375 Pts -20% 450 Pts Faster quad-core speed.
+20%
MC Mixed
Avg. Multi Core Mixed Speed
571 Pts -20% 685 Pts Faster multi-core speed.
+20%
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
431 Pts -24% 533 Pts Faster OC quad-core speed.
+24%
MC Mixed
OC Multi Core Mixed Speed
609 Pts -28% 780 Pts Faster OC multi-core speed.
+28%
Market Share
Based on 5,137,357 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.02 % -143% 2.48 % Hugely higher market share.
+143%
Value
Value For Money
75.1 % -19% 89.1 % Better value.
+19%
User Rating
UBM User Rating
77 % -30% 100 % More popular.
+30%
Price
Price (score)
$308 +2% $314 -2%
Age
Newest
40 Months -38% 25 Months Much more recent.
+38%
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
118 Pts -19% 141 Pts Faster single-core int speed.
+19%
SC Float
Single Core Floating Point Speed
120 Pts -23% 148 Pts Faster single-core fp speed.
+23%
QC Int
Quad Core Integer Speed
436 Pts -19% 518 Pts Faster quad-core int speed.
+19%
QC Float
Quad Core Floating Point Speed
437 Pts -25% 546 Pts Faster quad-core fp speed.
+25%
MC Int
Multi Core Integer Speed
579 Pts -24% 718 Pts Faster multi-core int speed.
+24%
MC Float
Multi Core Floating Point Speed
616 Pts -32% 816 Pts Much faster multi-core fp speed.
+32%
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) September 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.

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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 $410Samsung 850 Evo 250GB $97
AMD Ryzen 7 1700 $270AMD RX 480 $350Samsung 850 Pro 256GB $120
Intel Core i5-7600K $210Nvidia GTX 1060-6GB $265Samsung 850 Evo 500GB $150
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45G.SKILL Trident Z DDR4 3200 C14 4x16GB $724SanDisk Extreme 64GB $33
Seagate Barracuda 3TB (2016) $77Corsair Vengeance LPX DDR4 3000 C15 2x8GB $152SanDisk Extreme 32GB $22
Seagate Barracuda 7200.14 1TB $56HyperX Fury DDR4 2133 C14 2x8GB $141SanDisk Extreme 16GB $20
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