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Intel
IntelBX80684I78700K
  

6 Cores, 12 Threads @2.8 GHz, Westmere EP.
Release date ≤ Q2 2014.

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

Real World Speed
Performance profile from 753,237 user samples
6,950 User Benchmarks
Best Bench: 85% Base clock 4.4 GHz, turbo 4.4 GHz (avg)
Worst Bench: 60% Base clock 2.8 GHz, turbo 3.05 GHz (avg)
Poor: 60% Great: 85%
SPEED RANK: 395th / 1468
Gaming
Gaming 71%
Battleship
Desktop
Desktop 72%
Battleship
Workstation
Workstation 58%
Gunboat
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: 167th / 1468
Gaming
Gaming 88%
Aircraft carrier
Desktop
Desktop 90%
Nuclear submarine
Workstation
Workstation 80%
Battleship
Effective Speed
Effective CPU Speed
71.3 % 88.4 % Faster effective speed.
+24%
Memory
Avg. Memory Latency
88.6 Pts 90.1 Pts +2%
1-Core
Avg. Single Core Speed
76.3 Pts 128 Pts Much faster single-core speed.
+68%
2-Core
Avg. Dual Core Speed
153 Pts 249 Pts Much faster dual-core speed.
+63%
4-Core
Avg. Quad Core Speed
293 Pts 466 Pts Much faster quad-core speed.
+59%
8-Core
Avg. Octa Core Speed
453 Pts 770 Pts Much faster octa-core speed.
+70%
Memory
OC Memory Latency
96.6 Pts +0% 96.5 Pts
1-Core
OC Single Core Speed
104 Pts 148 Pts Much faster OC single-core speed.
+42%
2-Core
OC Dual Core Speed
206 Pts 292 Pts Much faster OC dual-core speed.
+42%
4-Core
OC Quad Core Speed
403 Pts 558 Pts Much faster OC quad-core speed.
+38%
8-Core
OC Octa Core Speed
628 Pts 892 Pts Much faster OC octa-core speed.
+42%
Market Share
Based on 68,907,624 CPUs tested
Market Share
Market Share (trailing 30 days)
0 % 1.39 % Insanely higher market share.
+∞%
User Rating
UBM User Rating
52 % 82 % Much more popular.
+58%
Age
Newest
126+ Months 85 Months Much more recent.
+33%
64-Core
OC Multi Core Speed
778 Pts 1147 Pts Much faster OC 64-core speed.
+47%
64-Core
Avg. Multi Core Speed
535 Pts 971 Pts Hugely faster 64-core speed.
+81%
Launch Date
Launch Date
Q1'10 Q4'17
Cache
Cache
12 MB SmartCache 12 MB
Instruction Set Extensions
Instruction Set Extensions
SSE4.2 SSE4.1/4.2, AVX2
Lithography
Lithography
32 nm 14 nm
Recommended Price
Recommended Customer Price
$1219.00 - $1222.00 N/A
Max Turbo Frequency
Max Turbo Frequency
3.2 GHz 4.70 GHz
Bus Speed
Bus Speed
6.4 GT/s QPI 8 GT/s DMI3
Max Memory Size
Max Memory Size (dependent on memory type)
288 GB 64 GB
Memory Types
Memory Types
DDR3 800/1066/1333 DDR4-2666
Memory Channels
Max # of Memory Channels
3 2
ECC Memory Supported
ECC Memory Supported ‡
Yes No
Package Size
Package Size
42.5mmX45mm 37.5mm x 37.5mm
Max CPU Configuration
Max CPU Configuration
2 1
Thermal Monitoring Technologies
Thermal Monitoring Technologies
No Yes
Turbo Boost Tech
Intel® Turbo Boost Technology ‡
1.0 2.0

More specs » More specs »

homelab use [Mar '22 TrunkBuilder]

MORE DETAILS

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

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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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