IntelBX80637I53570K
IntelBX80684I58400

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

6 Cores, 6 Threads
@2.8GHz Coffee Lake (2017)

Real World Speed
Performance profile from 71,319 user samples
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
9,906 User Benchmarks
Best Bench: 96% Base clock 2.8 GHz, turbo 3.8 GHz (avg)
Worst Bench: 85% Base clock 2.8 GHz, turbo 3.8 GHz (avg)
Poor: 85% Great: 96%
SPEED RANK: 30th / 1089
Gaming
Gaming 92%
Nuclear submarine
Desktop
Desktop 89%
Aircraft carrier
Workstation
Workstation 67%
Battle cruiser
Effective Speed
Effective CPU Speed
75.9 % 92 % Faster effective speed.
+21%
SC Mixed
Avg. Single Core Mixed Speed
105 Pts 120 Pts Slightly faster single-core speed.
+14%
QC Mixed
Avg. Quad Core Mixed Speed
393 Pts 467 Pts Faster quad-core speed.
+19%
MC Mixed
Avg. Multi Core Mixed Speed
401 Pts 686 Pts Much faster multi-core speed.
+71%
SC Mixed
OC Single Core Mixed Speed
123 Pts 125 Pts +2%
QC Mixed
OC Quad Core Mixed Speed
477 Pts 487 Pts +2%
MC Mixed
OC Multi Core Mixed Speed
480 Pts 722 Pts Much faster OC multi-core speed.
+50%
Market Share
Based on 8,441,859 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.83 % 1.11 % Much higher market share.
+34%
Value
Value For Money
76.6 % 110 % Much better value.
+44%
User Rating
UBM User Rating
77 % 107 % Much more popular.
+39%
Price
Price (score)
$285 $179 Much cheaper.
+37%
Age
Newest
72 Months 6 Months Hugely more recent.
+92%
TDP
Thermal Design Power (TDP)
77 Watts 65 Watts More energy efficient.
+16%
Cores
CPU Processing Cores
4 cores 6 cores Much higher core count.
+50%
Threads
CPU Processing Threads
4 threads 6 threads Much higher thread count.
+50%
Lithography
Manufacturing process
22 nm 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed
3.4 GHz Faster base frequency.
+21%
2.8 GHz
Turbo Clock
Turbo Clock Speed
3.8 GHz 4 GHz Slightly faster turbo frequency.
+5%
SC Int
Single Core Integer Speed
121 Pts 122 Pts +1%
SC Float
Single Core Floating Point Speed
124 Pts 129 Pts +4%
QC Int
Quad Core Integer Speed
472 Pts 475 Pts +1%
QC Float
Quad Core Floating Point Speed
485 Pts 503 Pts +4%
MC Int
Multi Core Integer Speed
471 Pts 703 Pts Much faster multi-core int speed.
+49%
MC Float
Multi Core Floating Point Speed
490 Pts 744 Pts Much faster multi-core fp speed.
+52%
Series
CPU Architecture
Ivy Bridge (2012) Coffee Lake (2017)
Socket
Motherboard Socket
FCLGA1155 FCLGA1151
Graphics
Integrated Graphics
HD 4000 UHD 630
Launch Date
Launch Date
Q2'12 Q4'17
Cache
Cache
6 MB SmartCache 9 MB
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX SSE4.1/4.2, AVX2
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$225.00 - $235.00 N/A
Bus Speed
Bus Speed
5 GT/s DMI 8 GT/s DMI3
Thermal Solution Specification
Thermal Solution Specification
2011D PCG 2015C (65W)
Max Memory Size
Max Memory Size (dependent on memory type)
32 GB 64 GB
Memory Types
Memory Types
DDR3 1333/1600 DDR4-2666
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 4000 Intel® UHD Graphics 630
Graphics Base Frequency
Graphics Base Frequency
650 MHz 350 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 1.05 GHz
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
No Yes
PCI Express Configurations
PCI Express Configurations ‡
up to 1x16, 2x8, 1x8 & 2x4 Up to 1x16 or 2x8 or 1x8+2x4

More specs » More specs »
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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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The i5-8400 is a competitively priced hex-core processor from Intel’s 8th generation of Core processors (Coffee Lake). Along with the release of the unlocked i5-8600K, this is the first time that six-core processors have featured in the i5 line-up. Like the other Coffee Lake processors, the i5-8400 is based upon an improved version of Intel’s 14nm architecture which featured in both Skylake and Kaby Lake. Early benchmarks reveal that for average quad core usage (most games employ a maximum of four cores) the i5-8400 performs way above its pay grade. It achieves quad core mixed speeds close to Intel’s outgoing 2017 flagship the $300, quad-core, 8 thread i7-7700k, which to date has been a strong favourite for high-end gaming setups. On paper, the i5-8400 has a base clock of 2.8 GHz (Intel are significantly downplaying the performance of this SKU by giving it a relatively low nominal base clock), an all core boost of 3.8 GHz (this is the effective base clock figure that counts) and a single core boost of 4 GHz. This compares reasonably well to the i5-8600K which has a base clock of 3.6 GHz, all core boost of 4.1 GHz and a single core boost of 4.3 GHz. The i5-8400 also features 9MB of L3 cache and an energy-thrifty TDP of 65W. Priced at under $190, the i5-8400 offers fantastic value for money. Unfortunately, like the other Coffee Lake processors, the i5-8400 will require a new 300 series motherboard, and at the time of writing, the only available version is Intel’s high-end Z370 which isn't an ideal pairing for the i5-8400. The Z series motherboards are designed to cater for the unlocked and overclockable "K" SKUs. Cheaper 300 series motherboards will be available in 2018 at which time the 8400 will offer even better value for money. [Oct '17 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.
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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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  • - 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.
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  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
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HDDRAMUSB
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