IntelBX80684I78700K
IntelBX8070110500

6 Cores, 12 Threads @3.7GHz, Coffee Lake.
Release date: Q4 2017.

6 Cores, 12 Threads @3.1GHz, Comet Lake.
Release date: Q2 2020.

CSGO
Dust 2 1080p Max
284 EFps Better CSGO EFps.
+19%
238 EFps
GTAV
Franklin & Lamar 1080p Max
106 EFps Slightly Better GTAV EFps.
+6%
100 EFps
Overwatch
Temple of Anubis 1080p Max
139 EFps 139 EFps
PUBG
M249 Training 1080p Max
139 EFps Slightly Better PUBG EFps.
+6%
131 EFps
Fortnite
UserBenchmark Island 1080p Max
139 EFps Slightly Better Fortnite EFps.
+6%
131 EFps
Real World Speed
Performance profile from 756,467 user samples
746,287 User Benchmarks
Best Bench: 100% Base clock 3.7 GHz, turbo 5.05 GHz (avg)
Worst Bench: 76% Base clock 3.7 GHz, turbo 0.8 GHz (avg)
Poor: 76% Great: 100%
SPEED RANK: 148th / 1442
Gaming
Gaming 88%
Aircraft carrier
Desktop
Desktop 90%
Nuclear submarine
Workstation
Workstation 80%
Battleship
10,180 User Benchmarks
Best Bench: 94% Base clock 3.1 GHz, turbo 5 GHz (avg)
Worst Bench: 58% Base clock 3.1 GHz, turbo 3.3 GHz (avg)
Poor: 58% Great: 94%
SPEED RANK: 190th / 1442
Gaming
Gaming 84%
Aircraft carrier
Desktop
Desktop 86%
Aircraft carrier
Workstation
Workstation 77%
Battleship
Effective Speed
Effective CPU Speed
88.4 % +5% 84.2 %
Memory
Avg. Memory Latency
90.1 Pts Lower memory latency.
+10%
81.8 Pts
1-Core
Avg. Single Core Speed
128 Pts +2% 125 Pts
2-Core
Avg. Dual Core Speed
249 Pts +2% 244 Pts
4-Core
Avg. Quad Core Speed
466 Pts 466 Pts
8-Core
Avg. Octa Core Speed
770 Pts +2% 757 Pts
Memory
OC Memory Latency
96.5 Pts +1% 95.1 Pts
1-Core
OC Single Core Speed
148 Pts Faster OC single-core speed.
+10%
134 Pts
2-Core
OC Dual Core Speed
292 Pts Faster OC dual-core speed.
+11%
264 Pts
4-Core
OC Quad Core Speed
558 Pts Slightly faster OC quad-core speed.
+9%
514 Pts
8-Core
OC Octa Core Speed
892 Pts Slightly faster OC octa-core speed.
+8%
826 Pts
Market Share
Based on 67,696,121 CPUs tested
Market Share
Market Share (trailing 30 days)
1.48 % Insanely higher market share.
+1,544%
0.09 %
Value
Value For Money
97.4 % 102 % +4%
User Rating
UBM User Rating
81 % Much more popular.
+50%
54 %
Price
Price (score)
$195 $140 Cheaper.
+28%
Age
Newest
78 Months 47 Months Much more recent.
+40%
TDP
Thermal Design Power (TDP)
95 Watts 65 Watts Much more energy efficient.
+32%
Cores
CPU Processing Cores
6 cores 6 cores
Threads
CPU Processing Threads
12 threads 12 threads
Lithography
Manufacturing process
14 nm 14 nm
Base Clock
Base Clock Speed
3.7 GHz Faster base frequency.
+19%
3.1 GHz
Turbo Clock
Turbo Clock Speed
4.7 GHz +4% 4.5 GHz
64-Core
OC Multi Core Speed
1147 Pts Faster OC 64-core speed.
+11%
1036 Pts
64-Core
Avg. Multi Core Speed
971 Pts +1% 960 Pts
Series
CPU Architecture
Coffee Lake Comet Lake
Socket
Motherboard Socket
FCLGA1151 FCLGA1200
Graphics
Integrated Graphics
UHD 630 UHD 630
Launch Date
Launch Date
Q4'17 Q2'20
Cache
Cache
12 MB 12 MB Intel® Smart Cache
Instruction Set Extensions
Instruction Set Extensions
SSE4.1/4.2, AVX2 Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Max Turbo Frequency
Max Turbo Frequency
4.70 GHz 4.50 GHz
Bus Speed
Bus Speed
8 GT/s DMI3 8 GT/s
Thermal Solution Specification
Thermal Solution Specification
PCG 2015C (130W) PCG 2015C
Max Memory Size
Max Memory Size (dependent on memory type)
64 GB 128 GB
Graphics Max Dynamic Frequency
Graphics Max Dynamic Frequency
1.20 GHz 1.15 GHz
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
2.0 2
PCI Express Revision
PCI Express Revision
3.0 3
PCI Express Configurations
PCI Express Configurations ‡
Up to 1x16 or 2x8 or 1x8+2x4 Up to 1x16, 2x8, 1x8+2x4

More specs » More specs »
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The i7-8700K is Intel’s latest, top of the range, 8th generation Coffee Lake processor. Like Kaby Lake and Sky Lake before that, Coffee Lake is based on Intel’s 14nm architecture which has been slightly optimized on each iteration. Following AMD’s modus operandi, Intel has upped the cores and threads across the range of their CPUs. In previous generations, a 6-core processor would have been a high-end desk-top (HEDT) processor, however the i7-8700K is the first Intel CPU with 6 cores and 12 threads to be classified (and priced) as a mainstream consumer processor. Specifically, the i7-8700K features a base clock speed of 3.7 GHz which boosts to 4.7 GHz (4.5 GHz for the previous generation i7-7700k), 12MB of smart (L3) cache and 2 channels of DDR4 RAM. The majority of the performance improvements over the 7th generation stem from the higher core count which results in a 50% increase in multi-core speed between the i7-7700k and i7-8700k. A new motherboard will need to be factored into the budget when upgrading to the 8700K as it requires a new Intel Z370 chipset which has supposedly been designed to better deliver power to CPUs with a greater number of cores. Also available in this latest release of CPUs is the 6 core 6 thread i5-8600k which is a more rational option (around $100 cheaper) for the vast majority of users that don’t require hyper-threading. Sandy bridge owners can finally justify an upgrade but with the next iteration of AMD's Zen architecture just around the corner the CPU market will be a lot faster moving now that Intel, once again, has to compete. [Sep '17 CPUPro]

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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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  • 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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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
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 Frequently Asked Questions

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The Best.
CPUGPUSSD
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Intel Core i5-12400F $132Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $186Nvidia RTX 4070 $409Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $34Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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