IntelBX80684G5600
IntelBX80684I58600K

2 Cores, 4 Threads @3.90 GHz, Coffee Lake.
Release date ≈ Q1 2018.

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

Real World Speed
Performance profile from 253,151 user samples
620 User Benchmarks
Best Bench: 75% Base clock 3.9 GHz, turbo 3.9 GHz (avg)
Worst Bench: 56% Base clock 3.9 GHz, turbo 0.8 GHz (avg)
Poor: 56% Great: 75%
SPEED RANK: 347th / 1316
Gaming
Gaming 69%
Battle cruiser
Desktop
Desktop 78%
Battleship
Workstation
Workstation 50%
Yacht
252,531 User Benchmarks
Best Bench: 103% Base clock 3.6 GHz, turbo 5.3 GHz (avg)
Worst Bench: 82% Base clock 3.6 GHz, turbo 4.05 GHz (avg)
Poor: 82% Great: 103%
SPEED RANK: 48th / 1316
Gaming
Gaming 93%
Nuclear submarine
Desktop
Desktop 93%
Nuclear submarine
Workstation
Workstation 77%
Battleship
Effective Speed
Effective CPU Speed
68.8 % 92.6 % Much faster effective speed.
+35%
Memory
Avg. Memory Latency
87.5 Pts 91.5 Pts +5%
1-Core
Avg. Single Core Mixed Speed
109 Pts 131 Pts Faster single-core speed.
+20%
2-Core
Avg. Dual Core Mixed Speed
191 Pts 259 Pts Much faster dual-core speed.
+36%
4-Core
Avg. Quad Core Mixed Speed
291 Pts 508 Pts Much faster quad-core speed.
+75%
8-Core
Avg. Octa Core Mixed Speed
295 Pts 722 Pts Hugely faster octa-core speed.
+145%
Memory
OC Memory Latency
95.2 Pts 96.8 Pts +2%
1-Core
OC Single Core Mixed Speed
120 Pts 153 Pts Faster OC single-core speed.
+28%
2-Core
OC Dual Core Mixed Speed
225 Pts 303 Pts Much faster OC dual-core speed.
+35%
4-Core
OC Quad Core Mixed Speed
323 Pts 595 Pts Hugely faster OC quad-core speed.
+84%
8-Core
OC Octa Core Mixed Speed
325 Pts 871 Pts Hugely faster OC octa-core speed.
+168%
Market Share
Based on 46,309,418 CPUs tested.
Market Share
Market Share (trailing 30 days)
0 % 0.38 % Insanely higher market share.
+∞%
Value
Value For Money
81.7 % 97 % Better value.
+19%
User Rating
UBM User Rating
52 % 77 % Much more popular.
+48%
Price
Price (score)
$149 Much cheaper.
+37%
$235
Age
Newest
41+ Months More recent.
+13%
47 Months
64-Core
OC Multi Core Mixed Speed
328 Pts 870 Pts Hugely faster OC 64-core speed.
+165%
64-Core
Avg. Multi Core Mixed Speed
298 Pts 729 Pts Hugely faster 64-core speed.
+145%
Launch Date
Launch Date
Q2'18 Q4'17
Cache
Cache
4 MB SmartCache 9 MB
Instruction Set Extensions
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2 SSE4.1/4.2, AVX2
Recommended Price
Recommended Customer Price
$86.00 - $93.00 N/A
Thermal Solution Specification
Thermal Solution Specification
PCG 2015C (65W) PCG 2015C (130W)
Memory Types
Memory Types
DDR4-2400 DDR4-2666
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.10 GHz 1.15 GHz
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
No 2.0
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
TSX-NI
Intel® TSX-NI
No Yes
vPro Tech
Intel® vPro™ Technology ‡
No Yes
Stable Image Platform Program (SIPP)
Intel® Stable Image Platform Program (SIPP)
No Yes
OS Guard
Intel® OS Guard
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
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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Too expensive vs the $85 Ryzen 5 1600 AF. [Jan '20 Test19]

MORE DETAILS

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 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) September 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.
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.
  • - SkillBench (space shooter) tests user input accuracy.
  • - 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.

 Frequently Asked Questions

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