Intel
$281
IntelBX80684I58600K
 $281 

2 Cores, 4 Threads @1.6GHz, Haswell.
Release date: Q3 2013.

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

Real World Speed
Performance profile from 329,287 user samples
64,450 User Benchmarks
Best Bench: 56% Base clock 2.3 GHz, turbo 2.3 GHz (avg)
Worst Bench: 20% Base clock 2.3 GHz, turbo 1.55 GHz (avg)
Poor: 20% Great: 56%
SPEED RANK: 997th / 1442
Gaming
Gaming 43%
Speed boat
Desktop
Desktop 47%
Yacht
Workstation
Workstation 30%
Raft
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: 136th / 1442
Gaming
Gaming 91%
Nuclear submarine
Desktop
Desktop 92%
Nuclear submarine
Workstation
Workstation 74%
Battleship
Effective Speed
Effective CPU Speed
42.6 % 90.7 % Hugely faster effective speed.
+113%
Memory
Avg. Memory Latency
63.6 Pts 90.1 Pts Much lower memory latency.
+42%
1-Core
Avg. Single Core Speed
51 Pts 129 Pts Hugely faster single-core speed.
+153%
2-Core
Avg. Dual Core Speed
89 Pts 257 Pts Hugely faster dual-core speed.
+189%
4-Core
Avg. Quad Core Speed
126 Pts 502 Pts Hugely faster quad-core speed.
+298%
8-Core
Avg. Octa Core Speed
132 Pts 656 Pts Hugely faster octa-core speed.
+397%
Memory
OC Memory Latency
86 Pts 96.5 Pts Lower OC memory latency.
+12%
1-Core
OC Single Core Speed
70.7 Pts 151 Pts Hugely faster OC single-core speed.
+114%
2-Core
OC Dual Core Speed
115 Pts 302 Pts Hugely faster OC dual-core speed.
+163%
4-Core
OC Quad Core Speed
173 Pts 594 Pts Hugely faster OC quad-core speed.
+243%
8-Core
OC Octa Core Speed
172 Pts 798 Pts Hugely faster OC octa-core speed.
+364%
Market Share
Based on 67,697,917 CPUs tested
Market Share
Market Share (trailing 30 days)
0.05 % 0.58 % Insanely higher market share.
+1,060%
Value
Value For Money
42.5 % 103 % Hugely better value.
+143%
User Rating
UBM User Rating
52 % 78 % Much more popular.
+50%
Price
Price (score)
$281 $173 Much cheaper.
+38%
Age
Newest
127 Months 78 Months Much more recent.
+39%
TDP
Thermal Design Power (TDP)
15 Watts Hugely more energy efficient.
+84%
95 Watts
Cores
CPU Processing Cores
2 cores 6 cores Hugely higher core count.
+200%
Threads
CPU Processing Threads
4 threads 6 threads Much higher thread count.
+50%
Lithography
Manufacturing process
22 nm 14 nm Much newer manufacturing.
+36%
Base Clock
Base Clock Speed
1.6 GHz 3.6 GHz Hugely faster base frequency.
+125%
Turbo Clock
Turbo Clock Speed
2.6 GHz 4.3 GHz Much faster turbo frequency.
+65%
64-Core
OC Multi Core Speed
174 Pts 828 Pts Hugely faster OC 64-core speed.
+376%
64-Core
Avg. Multi Core Speed
132 Pts 681 Pts Hugely faster 64-core speed.
+416%
Series
CPU Architecture
Haswell Coffee Lake
Socket
Motherboard Socket
FCBGA1168 FCLGA1151
Graphics
Integrated Graphics
HD 4400 UHD 630
Launch Date
Launch Date
Q3'13 Q4'17
Cache
Cache
3 MB SmartCache 9 MB
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX 2.0 SSE4.1/4.2, AVX2
Lithography
Lithography
22 nm 14 nm
Recommended Price
Recommended Customer Price
$281.00 N/A
Max Turbo Frequency
Max Turbo Frequency
2.6 GHz 4.30 GHz
Bus Speed
Bus Speed
5 GT/s DMI2 8 GT/s DMI3
Max Memory Size
Max Memory Size (dependent on memory type)
16 GB 64 GB
Memory Types
Memory Types
DDR3L 1333/1600, LPDDR3 1333/1600 DDR4-2666
Processor Graphics
Processor Graphics ‡
Intel® HD Graphics 4400 Intel® UHD Graphics 630
Graphics Base Frequency
Graphics Base Frequency
200 MHz 350 MHz
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1 GHz 1.15 GHz
Graphics Video Max Memory
Graphics Video Max Memory
2 GB 64 GB
Package Size
Package Size
40mm x 24mm x 1.5mm 37.5mm x 37.5mm
Hyper-Threading Tech
Intel® Hyper-Threading Technology ‡
Yes No
Virtualization for Directed I/O (VT-d)
Intel® Virtualization Technology for Directed I/O (VT-d) ‡
No Yes
TSX-NI
Intel® TSX-NI
No Yes
vPro Tech
Intel® vPro™ Technology ‡
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
No Yes
PCI Express Revision
PCI Express Revision
2.0 3.0
PCI Express Configurations
PCI Express Configurations ‡
4x1, 2x4 Up to 1x16 or 2x8 or 1x8+2x4
Max # of PCI Express Lanes
Max # of PCI Express Lanes
12 16

More specs » More specs »
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The Intel i5-4200U is a dual core 4th generation Haswell processor. Specifically designed for tablets and ultrabooks it gives the appropriate balance between performance and battery life. The i5-4200U has integrated HD 4400 graphics which are fine for desktop use but not suited to 3D gaming. With an impressive TDP of just 15 Watts, the 4200U will typically give 6 hours of battery life. Despite the low effective speed of 56 which is 70% below the average of the leaders, when coupled with an SSD the 4200U can give a reasonable user experience. Comparing the 4200U and 4500U shows that the 4500U has 20% faster single-core performance but also costs 40% more. [Nov '14 CPUPro]

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) April 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]

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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 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 value for money 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
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  • - Compare your in-game FPS to other users with your hardware

 Frequently Asked Questions

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