IntelBX80662I76700K
IntelBX80637I53570K

4 Cores, 8 Threads
@4.0GHz Skylake (2015)

4 Cores, 4 Threads
@3.4GHz Ivy Bridge (2012)

Real World Speed
Performance profile from 271,797 user samples
201,766 User Benchmarks
Best Bench: 103% Base clock 4 GHz, turbo 4.8 GHz (avg)
Worst Bench: 77% Base clock 4 GHz, turbo 0.2 GHz (avg)
Poor: 77% Great: 103%
SPEED RANK: 34th / 1117
Gaming
Gaming 89%
Aircraft carrier
Desktop
Desktop 91%
Nuclear submarine
Workstation
Workstation 67%
Battle cruiser
70,031 User Benchmarks
Best Bench: 91% Base clock 3.4 GHz, turbo 4.9 GHz (avg)
Worst Bench: 60% Base clock 3.8 GHz, turbo 3.7 GHz (avg)
Poor: 60% Great: 91%
SPEED RANK: 78th / 1117
Gaming
Gaming 76%
Battleship
Desktop
Desktop 74%
Battleship
Workstation
Workstation 46%
Yacht
Effective Speed
Effective CPU Speed
89 % Faster effective speed.
+17%
76 %
SC Mixed
Avg. Single Core Mixed Speed
127 Pts Faster single-core speed.
+21%
105 Pts
QC Mixed
Avg. Quad Core Mixed Speed
431 Pts Slightly faster quad-core speed.
+9%
394 Pts
MC Mixed
Avg. Multi Core Mixed Speed
676 Pts Much faster multi-core speed.
+69%
401 Pts
SC Mixed
OC Single Core Mixed Speed
142 Pts Faster OC single-core speed.
+15%
123 Pts
QC Mixed
OC Quad Core Mixed Speed
521 Pts Slightly faster OC quad-core speed.
+8%
481 Pts
MC Mixed
OC Multi Core Mixed Speed
768 Pts Much faster OC multi-core speed.
+60%
480 Pts
Market Share
Based on 9,795,562 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.65 % Hugely higher market share.
+132%
0.71 %
Value
Value For Money
82.4 % Better value.
+16%
71 %
User Rating
UBM User Rating
73 % More popular.
+18%
62 %
Price
Price (score)
$359 $350 +2%
Age
Newest
35 Months Much more recent.
+53%
75 Months
TDP
Thermal Design Power (TDP)
91 Watts 77 Watts More energy efficient.
+15%
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.
+18%
3.4 GHz
Turbo Clock
Turbo Clock Speed
4.2 GHz Slightly faster turbo frequency.
+11%
3.8 GHz
SC Int
Single Core Integer Speed
138 Pts Slightly faster single-core int speed.
+14%
121 Pts
SC Float
Single Core Floating Point Speed
147 Pts Faster single-core fp speed.
+19%
124 Pts
QC Int
Quad Core Integer Speed
512 Pts Slightly faster quad-core int speed.
+8%
475 Pts
QC Float
Quad Core Floating Point Speed
542 Pts Slightly faster quad-core fp speed.
+11%
489 Pts
MC Int
Multi Core Integer Speed
706 Pts Much faster multi-core int speed.
+47%
479 Pts
MC Float
Multi Core Floating Point Speed
808 Pts Much faster multi-core fp speed.
+65%
490 Pts
Series
CPU Architecture
Skylake (2015) Ivy Bridge (2012)
Socket
Motherboard Socket
FCLGA1151 FCLGA1155
Graphics
Integrated Graphics
HD 530 HD 4000
Launch Date
Launch Date
Q3'15 Q2'12
Cache
Cache
8 MB SmartCache 6 MB SmartCache
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX 2.0 SSE4.1/4.2, AVX
Lithography
Lithography
14 nm 22 nm
Recommended Price
Recommended Customer Price
$339.00 - $350.00 $225.00 - $235.00
Bus Speed
Bus Speed
8 GT/s DMI3 5 GT/s DMI
Thermal Solution Specification
Thermal Solution Specification
PCG 2015D (130W) 2011D
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
Memory Bandwidth
Max Memory Bandwidth
34.1 GB/s 25.6 GB/s
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 530 Intel® HD Graphics 4000
Graphics Base Frequency
Graphics Base Frequency
350 MHz 650 MHz
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
Yes No
TSX-NI
Intel® TSX-NI
Yes No
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16, 2x8, 1x8+2x4 up to 1x16, 2x8, 1x8 & 2x4

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 Core i5-3570K Ivy Bridge processor is one of Intel's best performers to date. In terms of real world performance this processor offers far more than most users are likely to ever need. Scoring 2012 points on the PassMark Single Thread benchmark, the 3570K is within a few percent of the fastest processors currently available and at 77 watts TDP it's no energy hog either. The server orientated GeekBench and PassMark scores of 13920 and 7144 put the 3570K at just over the 50% marker in terms of total processing capacity compared to the other processors in the group test. For server based workloads more performance is available from the Core i7 range of processors but for typical consumer use this processor is already far more powerful than it needs to be. [May '13 CPUPro]

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Processor Rankings (Price vs Performance) July 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.
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.
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write, sustained write and mixed IO.
  • - 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 current market leaders.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
  • - Share your opinion by voting.

 Frequently Asked Questions

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CPUGPUSSD
Intel Core i7-8700K $310Nvidia GTX 1070 $408Samsung 850 Evo 250GB $100
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $289Samsung 850 Evo 500GB $121
Intel Core i5-8600K $235AMD RX 480 $280Samsung 850 Pro 256GB $160
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $176SanDisk Extreme 64GB $44
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $951SanDisk Extreme 32GB $46
Seagate Barracuda 2TB (2016) $59HyperX Fury DDR4 2133 C14 2x8GB $219SanDisk Ultra Fit 32GB $12
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