Intel
IntelBX80684I78700K

4 Cores, 8 Threads @2.8 GHz, Bloomfield.
Release date ≤ Q4 2013.

VS
About

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

Real World Speed
Performance profile from 354,800 user samples
14,290 User Benchmarks
Best Bench: 56% Base clock 4.2 GHz, turbo 4.15 GHz (avg)
Worst Bench: 24% Base clock 2.8 GHz
Poor: 24% Great: 56%
SPEED RANK: 361st / 1184
Gaming
Gaming 42%
Speed boat
Desktop
Desktop 47%
Yacht
Workstation
Workstation 30%
Sail boat
340,510 User Benchmarks
Best Bench: 107% Base clock 3.7 GHz, turbo 5.15 GHz (avg)
Worst Bench: 75% Base clock 3.7 GHz, turbo 3.7 GHz (avg)
Poor: 75% Great: 107%
SPEED RANK: 14th / 1184
Gaming
Gaming 92%
Nuclear submarine
Desktop
Desktop 94%
Nuclear submarine
Workstation
Workstation 78%
Battleship
Effective Speed
Effective CPU Speed
41.6 % 91.9 % Hugely faster effective speed.
+121%
1-Core
Avg. Single Core Mixed Speed
69.5 Pts 137 Pts Hugely faster single-core speed.
+97%
2-Core
Avg. Dual Core Mixed Speed
135 Pts 269 Pts Hugely faster dual-core speed.
+99%
4-Core
Avg. Quad Core Mixed Speed
237 Pts 518 Pts Hugely faster quad-core speed.
+119%
8-Core
Avg. Octa Core Mixed Speed
333 Pts 843 Pts Hugely faster octa-core speed.
+153%
64-Core
Avg. Multi Core Mixed Speed
339 Pts 1053 Pts Hugely faster 64-core speed.
+211%
1-Core
OC Single Core Mixed Speed
92.2 Pts 155 Pts Much faster OC single-core speed.
+68%
2-Core
OC Dual Core Mixed Speed
181 Pts 308 Pts Much faster OC dual-core speed.
+70%
4-Core
OC Quad Core Mixed Speed
320 Pts 606 Pts Hugely faster OC quad-core speed.
+89%
8-Core
OC Octa Core Mixed Speed
449 Pts 980 Pts Hugely faster OC octa-core speed.
+118%
64-Core
OC Multi Core Mixed Speed
450 Pts 1217 Pts Hugely faster OC 64-core speed.
+170%
Market Share
Based on 21,014,315 CPUs tested.
Market Share
Market Share (trailing 30 days)
0.07 % 2.01 % Insanely higher market share.
+2,771%
Value
Value For Money
55.1 % 85.9 % Much better value.
+56%
User Rating
UBM User Rating
55 % 132 % Hugely more popular.
+140%
Price
Price (score)
$100 Much cheaper.
+72%
$355
Age
Newest
70+ Months 24 Months Much more recent.
+66%
Launch Date
Launch Date
Q1'10 Q4'17
Cache
Cache
8 MB SmartCache 12 MB
Instruction Set Extensions
Instruction Set Extensions
SSE4.2 SSE4.1/4.2, AVX2
Lithography
Lithography
45 nm 14 nm
Recommended Price
Recommended Customer Price
$305.00 N/A
Bus Speed
Bus Speed
4.8 GT/s QPI 8 GT/s DMI3
Max Memory Size
Max Memory Size (dependent on memory type)
24 GB 64 GB
Memory Types
Memory Types
DDR3 800/1066 DDR4-2666
Memory Channels
Max # of Memory Channels
3 2
Package Size
Package Size
42.5mm x 45.0mm 37.5mm x 37.5mm
Thermal Monitoring Technologies
Thermal Monitoring Technologies
No Yes
Turbo Boost Tech
Intel® Turbo Boost Technology
1.0 2.0
AES New Instructions
Intel® AES New Instructions
No Yes
Trusted Execution Tech
Intel® Trusted Execution Technology ‡
No Yes

More specs » More specs »
ADVERTISEMENT

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]

MORE DETAILS

Processor Rankings (Price vs Performance) October 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical gamers and desktop users. 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]

ADVERTISEMENT

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.

UserBenchmark of the month

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.
  • - 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.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i5-9400F $145Nvidia GTX 1660 $210Samsung 850 Evo 250GB $57
Intel Core i5-9600K $240Nvidia GTX 1660-Ti $270Samsung 850 Evo 500GB $107
Intel Core i7-9700K $350Nvidia RTX 2060 $349Samsung 850 Pro 256GB $200
HDDRAMUSB
Seagate Barracuda 1TB (2016) $40Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
Seagate Barracuda 3TB (2016) $83G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $37Corsair Vengeance LPX DDR4 3200 C16 2x8GB $70SanDisk Ultra Fit 32GB $14
Today's hottest deals
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer Feedback