Real World Speed
Performance profile from 74,099 user samples
74,099 User Benchmarks
Best Bench: 120% Base clock 3.6 GHz, turbo 4.2 GHz (avg)
Worst Bench: 88% Base clock 3.6 GHz, turbo 0.8 GHz (avg)
Poor: 88% Great: 120%
SPEED RANK: 24th / 1144
Gaming
Gaming 101%
UFO
Desktop
Desktop 98%
Nuclear submarine
Workstation
Workstation 74%
Battleship
Effective Speed
Effective CPU Speed
101 % Slightly faster effective speed.
+10%
92.2 %
SC Mixed
Avg. Single Core Mixed Speed
132 Pts Slightly faster single-core speed.
+13%
117 Pts
QC Mixed
Avg. Quad Core Mixed Speed
516 Pts Faster quad-core speed.
+16%
446 Pts
MC Mixed
Avg. Multi Core Mixed Speed
744 Pts 947 Pts Faster multi-core speed.
+27%
SC Mixed
OC Single Core Mixed Speed
156 Pts Faster OC single-core speed.
+19%
131 Pts
QC Mixed
OC Quad Core Mixed Speed
618 Pts Faster OC quad-core speed.
+21%
512 Pts
MC Mixed
OC Multi Core Mixed Speed
894 Pts 1,073 Pts Faster OC multi-core speed.
+20%
Market Share
Based on 13,021,643 CPUs tested.
User Rating
UBM User Rating
138 % Slightly more popular.
+10%
125 %
Market Share
Market Share (trailing 30 days)
1.37 % 1.57 % Slightly higher market share.
+15%
Price
Price (score)
$260 242 USD Slightly cheaper.
+8%
Value
Value For Money
106 % Slightly better value.
+5%
101 %
TDP
Thermal Design Power (TDP)
95 Watts 85.7 Watts Slightly more energy efficient.
+11%
Cores
CPU Processing Cores
6 cores 6.44 cores Slightly higher core count.
+7%
Threads
CPU Processing Threads
6 threads 11.6 threads Hugely higher thread count.
+93%
Lithography
Manufacturing process
14 nm 13.8 nm +2%
Base Clock
Base Clock Speed
3.6 GHz +4% 3.47 GHz
Turbo Clock
Turbo Clock Speed
4.3 GHz +5% 4.1 GHz
SC Int
Single Core Integer Speed
151 Pts Faster single-core int speed.
+19%
126 Pts
SC Float
Single Core Floating Point Speed
163 Pts Faster single-core fp speed.
+20%
136 Pts
QC Int
Quad Core Integer Speed
588 Pts Faster quad-core int speed.
+19%
492 Pts
QC Float
Quad Core Floating Point Speed
649 Pts Faster quad-core fp speed.
+22%
533 Pts
MC Int
Multi Core Integer Speed
845 Pts 1,025 Pts Faster multi-core int speed.
+21%
MC Float
Multi Core Floating Point Speed
960 Pts 1105 Pts Faster multi-core fp speed.
+15%
Age
Newest
14 Months More recent.
+22%
17.1 Months
Series
CPU Architecture
Coffee Lake   —
Socket
Motherboard Socket
FCLGA1151   —
Graphics
Integrated Graphics
UHD 630   —
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The unlocked hex-core i5-8600K from Intel’s latest Coffee Lake generation of processors is the new flagship of the i5 series, succeeding the Kaby Lake quad-core i5-7600K. The 8th generation of processors brings the largest performance uplift since Sandy Bridge by adding more cores at each of the i3, i5 and i7 product lines. Like the other Coffee Lake processors, the i5-8600K is built upon optimized 14nm architecture, marginally improved upon from Kaby Lake and Skylake. The 8600K has a 95W TDP and a nominal stock clock of 3.6 GHz, which boosts to 4.1 GHz for all six cores, 4.2 GHz for dual/quad and 4.3 GHz for single core. Early benchmarks put the i5-8600K’s effective speed 15% ahead of the i5-7600K. A 50% increase in multi-core speed is explained by two additional cores and thanks to the quad-core clock bump from 4 GHz on the 7600K to 4.2 GHz on the 8600K there is also an additional 5% performance boost across all workloads. All Coffee Lake processors require a 300-series chipset, making a straight CPU upgrade unfeasible despite sharing the same socket as their Z270 predecessors. Even though most games still use less than 4 cores simultaneously, the i5-8600K is a great choice for gamers (especially streamers) but for $80 less, the 8350K which is faster than last years 7600K and only marginally weaker for gaming than the 8600K is certainly well worth considering as well. [Oct '17 CPUPro]

MORE DETAILS

Processor Rankings (Price vs Performance) December 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.

UserBenchmark of the month

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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The Best.
CPUGPUSSD
Intel Core i7-8700K $370Nvidia GTX 1070 $335Samsung 850 Evo 250GB $63
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $210Samsung 850 Evo 500GB $90
Intel Core i5-8600K $260Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $125SanDisk Extreme 64GB $72
Seagate Barracuda 3TB (2016) $70G.SKILL Trident Z DDR4 3200 C14 4x16GB $830SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $136SanDisk Ultra Fit 32GB $12
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