IntelBX80684I58600K
AMDYD1700BBAEBOX

6 Cores, 6 Threads
@3.6GHz Coffee Lake (2017)

Real World Speed
Performance profile from 65,931 user samples
22,367 User Benchmarks
Best Bench: 122% Base clock 3.6 GHz, turbo 5.3 GHz (avg)
Worst Bench: 92% Base clock 3.6 GHz, turbo 1.15 GHz (avg)
Poor: 92% Great: 122%
SPEED RANK: 9th / 1084
Gaming
Gaming 104%
UFO
Desktop
Desktop 100%
UFO
Workstation
Workstation 76%
Battleship
43,564 User Benchmarks
Best Bench: 99% Base clock 3.6 GHz, turbo 4.25 GHz (avg)
Worst Bench: 75% Base clock 3.9 GHz, turbo 1.35 GHz (avg)
Poor: 75% Great: 99%
SPEED RANK: 44th / 1084
Gaming
Gaming 86%
Aircraft carrier
Desktop
Desktop 83%
Aircraft carrier
Workstation
Workstation 92%
Nuclear submarine
Effective Speed
Effective CPU Speed
104 % Faster effective speed.
+22%
85.9 %
SC Mixed
Avg. Single Core Mixed Speed
136 Pts Much faster single-core speed.
+33%
102 Pts
QC Mixed
Avg. Quad Core Mixed Speed
531 Pts Much faster quad-core speed.
+32%
401 Pts
MC Mixed
Avg. Multi Core Mixed Speed
772 Pts 1127 Pts Much faster multi-core speed.
+46%
SC Mixed
OC Single Core Mixed Speed
158 Pts Much faster OC single-core speed.
+35%
117 Pts
QC Mixed
OC Quad Core Mixed Speed
623 Pts Much faster OC quad-core speed.
+34%
464 Pts
MC Mixed
OC Multi Core Mixed Speed
904 Pts 1323 Pts Much faster OC multi-core speed.
+46%
Market Share
Based on 8,433,262 CPUs tested.
Market Share
Market Share (trailing 30 days)
1.45 % Much higher market share.
+32%
1.1 %
Value
Value For Money
112 % Better value.
+21%
92.7 %
User Rating
UBM User Rating
130 % More popular.
+20%
108 %
Price
Price (score)
$239 $238 +0%
Age
Newest
6 Months Much more recent.
+54%
13 Months
TDP
Thermal Design Power (TDP)
95 Watts 65 Watts Much more energy efficient.
+32%
Cores
CPU Processing Cores
6 cores 8 cores Much higher core count.
+33%
Threads
CPU Processing Threads
6 threads 16 threads Hugely higher thread count.
+167%
Lithography
Manufacturing process
14 nm 14 nm
Base Clock
Base Clock Speed
3.6 GHz Faster base frequency.
+20%
3 GHz
Turbo Clock
Turbo Clock Speed
4.3 GHz Faster turbo frequency.
+16%
3.7 GHz
SC Int
Single Core Integer Speed
153 Pts Much faster single-core int speed.
+37%
112 Pts
SC Float
Single Core Floating Point Speed
162 Pts Much faster single-core fp speed.
+34%
121 Pts
QC Int
Quad Core Integer Speed
604 Pts Much faster quad-core int speed.
+35%
446 Pts
QC Float
Quad Core Floating Point Speed
649 Pts Much faster quad-core fp speed.
+34%
483 Pts
MC Int
Multi Core Integer Speed
871 Pts 1284 Pts Much faster multi-core int speed.
+47%
MC Float
Multi Core Floating Point Speed
958 Pts 1329 Pts Much faster multi-core fp speed.
+39%
Series
CPU Architecture
Coffee Lake (2017) Zen (2017)
Socket
Motherboard Socket
FCLGA1151 AM4
Graphics
Integrated Graphics
UHD 630 None
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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]

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The AMD Ryzen 7 1700 is the least powerful of three new Ryzen 7 CPUs. The 1700 model has base and turbo clocks of 3.0 and 3.7 GHz respectively. Both of its more expensive siblings, the 1700X and 1800X, have higher clocks but they also have TDPs of 95 watts whereas the 1700 is rated at just 65 watts. Comparing IPC between Ryzen and Kaby Lake shows that Kaby Lake leads by a maximum of 9% which is great news for workstation users as this allows the 1700 to beat Intel's 6850K in multi-core workloads at almost half the price. Although the 1700 has great IPC it's somewhat limited by its relatively low (by Kaby Lake standards) clock speed which holds it back a little in both gaming and desktop workloads. For multi-core workstation use, the Ryzen 7 1700 represents the best value for money we have ever seen. [Mar '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.
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 (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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CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $80
Intel Core i7-7700K $290Nvidia GTX 1060-6GB $300Samsung 850 Evo 500GB $137
AMD Ryzen 5 1600 $170AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $183SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $45
Seagate Barracuda 2TB (2016) $36Corsair Vengeance LPX DDR4 3200 C16 2x8GB $195SanDisk Ultra Fit 32GB $12
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