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 260,129 user samples
198,716 User Benchmarks
Best Bench: 106% Base clock 4 GHz, turbo 4.5 GHz (avg)
Worst Bench: 77% Base clock 4 GHz, turbo 0.8 GHz (avg)
Poor: 77% Great: 106%
SPEED RANK: 32nd / 1089
Gaming
Gaming 91%
Nuclear submarine
Desktop
Desktop 92%
Nuclear submarine
Workstation
Workstation 67%
Battle cruiser
61,413 User Benchmarks
Best Bench: 91% Base clock 3.4 GHz, turbo 4.9 GHz (avg)
Worst Bench: 59% Base clock 3.4 GHz, turbo 0.75 GHz (avg)
Poor: 59% Great: 91%
SPEED RANK: 80th / 1089
Gaming
Gaming 76%
Battleship
Desktop
Desktop 74%
Battleship
Workstation
Workstation 46%
Yacht
Effective Speed
Effective CPU Speed
90.8 % Faster effective speed.
+20%
75.9 %
SC Mixed
Avg. Single Core Mixed Speed
128 Pts Faster single-core speed.
+22%
105 Pts
QC Mixed
Avg. Quad Core Mixed Speed
444 Pts Slightly faster quad-core speed.
+13%
393 Pts
MC Mixed
Avg. Multi Core Mixed Speed
677 Pts Much faster multi-core speed.
+69%
401 Pts
SC Mixed
OC Single Core Mixed Speed
144 Pts Faster OC single-core speed.
+17%
123 Pts
QC Mixed
OC Quad Core Mixed Speed
532 Pts Slightly faster OC quad-core speed.
+12%
477 Pts
MC Mixed
OC Multi Core Mixed Speed
772 Pts Much faster OC multi-core speed.
+61%
480 Pts
Market Share
Based on 8,442,016 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.75 % Hugely higher market share.
+111%
0.83 %
Value
Value For Money
84 % Slightly better value.
+10%
76.6 %
User Rating
UBM User Rating
91 % More popular.
+18%
77 %
Price
Price (score)
$359 $285 Cheaper.
+21%
Age
Newest
32 Months Much more recent.
+56%
72 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
141 Pts Faster single-core int speed.
+17%
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
519 Pts Slightly faster quad-core int speed.
+10%
472 Pts
QC Float
Quad Core Floating Point Speed
550 Pts Slightly faster quad-core fp speed.
+13%
485 Pts
MC Int
Multi Core Integer Speed
711 Pts Much faster multi-core int speed.
+51%
471 Pts
MC Float
Multi Core Floating Point Speed
815 Pts Much faster multi-core fp speed.
+66%
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) April 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.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance and price.
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.

 Frequently Asked Questions

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HDDRAMUSB
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