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IntelBX80684I58600K
IntelBX8071512100

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

4 Cores, 8 Threads @3.3GHz, Alder Lake.
Release date: Q1 2022.

Real World Speed
Performance profile from 269,029 user samples
264,837 User Benchmarks
Best Bench: 101% Base clock 3.6 GHz, turbo 4.95 GHz (avg)
Worst Bench: 79% Base clock 3.6 GHz, turbo 4.05 GHz (avg)
Poor: 79% Great: 101%
SPEED RANK: 154th / 1468
Gaming
Gaming 91%
Nuclear submarine
Desktop
Desktop 92%
Nuclear submarine
Workstation
Workstation 74%
Battleship
4,192 User Benchmarks
Great bench: 100% Base clock 3.3 GHz, turbo 4.1 GHz (avg)
Poor bench: 88% Base clock 3.3 GHz, turbo 4.05 GHz (avg)
Poor: 88% Great: 100%
SPEED RANK: 133rd / 1468
Gaming
Gaming 94%
Nuclear submarine
Desktop
Desktop 100%
Nuclear submarine
Workstation
Workstation 81%
Aircraft carrier
Effective Speed
Effective CPU Speed
90.7 % 94.2 % +4%
Memory
Avg. Memory Latency
90.1 Pts Lower memory latency.
+12%
80.5 Pts
1-Core
Avg. Single Core Speed
129 Pts 173 Pts Much faster single-core speed.
+34%
2-Core
Avg. Dual Core Speed
257 Pts 327 Pts Faster dual-core speed.
+27%
4-Core
Avg. Quad Core Speed
502 Pts 584 Pts Faster quad-core speed.
+16%
8-Core
Avg. Octa Core Speed
656 Pts 820 Pts Faster octa-core speed.
+25%
Memory
OC Memory Latency
96.5 Pts Slightly lower OC memory latency.
+8%
89.6 Pts
1-Core
OC Single Core Speed
151 Pts 179 Pts Faster OC single-core speed.
+19%
2-Core
OC Dual Core Speed
302 Pts 348 Pts Faster OC dual-core speed.
+15%
4-Core
OC Quad Core Speed
594 Pts 661 Pts Faster OC quad-core speed.
+11%
8-Core
OC Octa Core Speed
798 Pts 841 Pts Slightly faster OC octa-core speed.
+5%
Market Share
Based on 68,929,286 CPUs tested
Market Share
Market Share (trailing 30 days)
0.47 % Hugely higher market share.
+488%
0.08 %
Value
Value For Money
110 % 121 % Better value.
+11%
User Rating
UBM User Rating
77 % 91 % More popular.
+18%
Price
Price (score)
$140 $111 Cheaper.
+21%
Age
Newest
85 Months 34 Months Much more recent.
+60%
TDP
Thermal Design Power (TDP)
95 Watts 60 Watts Much more energy efficient.
+37%
Cores
CPU Processing Cores
6 cores Much higher core count.
+50%
4 cores
Threads
CPU Processing Threads
6 threads 8 threads Much higher thread count.
+33%
Lithography
Manufacturing process
14 nm 10 nm Newer manufacturing.
+29%
Base Clock
Base Clock Speed
3.6 GHz Slightly faster base frequency.
+9%
3.3 GHz
Turbo Clock
Turbo Clock Speed
4.3 GHz 4.3 GHz
64-Core
OC Multi Core Speed
828 Pts 842 Pts +2%
64-Core
Avg. Multi Core Speed
681 Pts 821 Pts Faster 64-core speed.
+21%
Series
CPU Architecture
Coffee Lake Alder Lake
Socket
Motherboard Socket
FCLGA1151 FCLGA1700
Graphics
Integrated Graphics
UHD 630 UHD 730

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]

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I don't really like how they added such a tax for the integrated graphics. An extra $20 for an iGPU - especially on an i3 - isn't good. However, this CPU is one of the fastest quad cores to date and can run even on the most potato of power supplies. It brings out incredible gaming performance up to 50% faster than the i3 10100. It even manages to beat 6 core CPUs from AMD that run on Zen2, very impressive for just an i3 processor. Good job Intel, you got your position as king back.  [Apr '22 Waaaaaal]

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Processor Rankings (Price vs Performance) November 2024 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]

Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
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  • Fastest real world speed - Real World Speed measures performance for typical consumers.
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