IntelBX80684I58600K
Intel

6 Cores, 6 Threads @3.6GHz, Coffee Lake.
Release date: Q4 2017.

  

2 Cores, 4 Threads @2.3 GHz, Broadwell.
Release date ≈ Q4 2014.

Real World Speed
Performance profile from 195,313 user samples
176,000 User Benchmarks
Best Bench: 103% Base clock 3.6 GHz, turbo 5.3 GHz (avg)
Worst Bench: 81% Base clock 3.6 GHz, turbo 4.5 GHz (avg)
Poor: 81% Great: 103%
SPEED RANK: 28th / 1276
Gaming
Gaming 93%
Nuclear submarine
Desktop
Desktop 94%
Nuclear submarine
Workstation
Workstation 77%
Battleship
19,313 User Benchmarks
Best Bench: 62% Base clock 2.3 GHz, turbo 2.7 GHz (avg)
Worst Bench: 35% Base clock 2.3 GHz, turbo 0.5 GHz (avg)
Poor: 35% Great: 62%
SPEED RANK: 671st / 1276
Gaming
Gaming 52%
Yacht
Desktop
Desktop 59%
Gunboat
Workstation
Workstation 37%
Jet ski
Effective Speed
Effective CPU Speed
92.9 % Much faster effective speed.
+79%
51.9 %
Memory
Avg. Memory Latency
91.8 Pts Lower memory latency.
+27%
72.1 Pts
1-Core
Avg. Single Core Mixed Speed
132 Pts Much faster single-core speed.
+78%
74.1 Pts
2-Core
Avg. Dual Core Mixed Speed
262 Pts Hugely faster dual-core speed.
+106%
127 Pts
4-Core
Avg. Quad Core Mixed Speed
509 Pts Hugely faster quad-core speed.
+174%
186 Pts
8-Core
Avg. Octa Core Mixed Speed
723 Pts Hugely faster octa-core speed.
+283%
189 Pts
Memory
OC Memory Latency
96.9 Pts Slightly lower OC memory latency.
+9%
89.3 Pts
1-Core
OC Single Core Mixed Speed
153 Pts Much faster OC single-core speed.
+70%
90.1 Pts
2-Core
OC Dual Core Mixed Speed
304 Pts Hugely faster OC dual-core speed.
+94%
157 Pts
4-Core
OC Quad Core Mixed Speed
598 Pts Hugely faster OC quad-core speed.
+176%
217 Pts
8-Core
OC Octa Core Mixed Speed
863 Pts Hugely faster OC octa-core speed.
+296%
218 Pts
Market Share
Based on 38,629,209 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.5 % Hugely higher market share.
+614%
0.07 %
User Rating
UBM User Rating
77 % Much more popular.
+48%
52 %
Age
Newest
39 Months Much more recent.
+47%
74+ Months
64-Core
OC Multi Core Mixed Speed
872 Pts Hugely faster OC 64-core speed.
+302%
217 Pts
64-Core
Avg. Multi Core Mixed Speed
730 Pts Hugely faster 64-core speed.
+282%
191 Pts
Launch Date
Launch Date
Q4'17 Q1'15
Cache
Cache
9 MB 3 MB
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX2 SSE4.1/4.2, AVX 2.0
Recommended Price
Recommended Customer Price
N/A $281.00
Max Turbo Frequency
Max Turbo Frequency
4.30 GHz 2.9 GHz
Bus Speed
Bus Speed
8 GT/s DMI3 5 GT/s DMI2
Max Memory Size
Max Memory Size (dependent on memory type)
64 GB 16 GB
Memory Types
Memory Types
DDR4-2666 DDR3L 1333/1600, LPDDR3 1333/1600
Processor Graphics
Processor Graphics ‡
Intel® UHD Graphics 630 Intel® HD Graphics 5500
Graphics Base Frequency
Graphics Base Frequency
350 MHz 300 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.15 GHz 900 MHz
Graphics Video Max Memory
Graphics Video Max Memory
64 GB 16 GB
Package Size
Package Size
37.5mm x 37.5mm 40mm x 24mm x 1.3mm
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
No Yes
PCI Express Revision
PCI Express Revision
3.0 2.0
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16 or 2x8 or 1x8+2x4 4x1, 2x4
Max # of PCI Express Lanes
Max # of PCI Express Lanes
16 12

More specs » More specs »
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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) January 2021 CPU Rankings.

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. 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.
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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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How it works

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  • - CPU tests include: integer, floating and string.
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  • - 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.
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  • - Explore your best upgrade options with a virtual PC build.
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  • - Share your opinion by voting.

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CPUGPUSSD
Intel Core i5-9600K $219Nvidia RTX 3060-Ti $400Crucial MX500 250GB $47
Intel Core i5-10600K $257Nvidia RTX 3070 $500Samsung 850 Evo 120GB $78
Intel Core i5-10400F $161Nvidia GTX 1660S (Super) $240Samsung 860 Evo 250GB $40
HDDRAMUSB
Seagate Barracuda 1TB (2016) $47Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $71SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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