Intel Core i7 8700K vs i7 5960X

We compared two desktop CPUs: the 3.7 GHz Intel Core i7 8700K with 6-cores against the 3.0 GHz i7 5960X with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 5960X and 8700K
Advantages of Intel Core i7 8700K
  • Unlocked multiplier
  • Supports up to 128 GB DDR4-2666 RAM
  • Newer - released 3-years and 1-month later
  • More modern manufacturing process – 14 versus 22 nanometers
  • Consumes up to 32% less energy than the Core i7 5960X – 95 vs 140 Watt
  • 39% faster in a single-core Geekbench v5 test - 1242 vs 896 points
  • 34% higher Turbo Boost frequency (4.7 GHz vs 3.5 GHz)
  • Includes an integrated GPU Intel UHD Graphics 630
Advantages of Intel Core i7 5960X
  • Supports quad-channel memory
  • Has 8 MB larger L3 cache size
  • Around 26.4 GB/s (63%) higher theoretical memory bandwidth
  • Has 2 more physical cores


Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
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Full technical specification of Intel Core i7 8700K and i7 5960X


Vendor Intel Intel
Released October 5, 2017 August 29, 2014
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Coffee Lake Haswell E
Model number i7-8700K i7-5960X
Socket LGA-1151 LGA-2011-3
Integrated GPU UHD Graphics 630 No


Cores 6 8
Threads 12 16
Base Frequency 3.7 GHz 3.0 GHz
Turbo Boost Frequency 4.7 GHz 3.5 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 37x 30x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 256K (per core)
L3 Cache 12MB (shared) 20MB (shared)
Unlocked Multiplier Yes No


Transistors - 2.6 billions
Fabrication process 14 nm 22 nm
TDP 95 W 140 W
Max. temperature 100°C -


Integrated Graphics Intel UHD Graphics 630 -
GPU Base Clock 350 MHz -
GPU Boost Clock 1200 MHz -
Shading Units 192 -
TMUs 24 -
ROPs 3 -
Execution Units 24 -
TGP 15 W -
Max. Resolution 4096x2304 - 60 Hz -

Memory support

Memory types DDR4-2666 DDR4-2133
Memory Size 128 GB 64 GB
Max. Memory Channels 2 4
Max. Memory Bandwidth 41.6 GB/s 68 GB/s
ECC Support No No


Official site Intel Core i7 8700K official page Intel Core i7 5960X official page
PCI Express Version 3.0 3.0
PCI Express Lanes 16 40
Extended instructions SSE4.1, SSE4.2, AVX-2 SSE4.2, AVX-2

Cast your vote

Choose between two processors
3 (60%)
2 (40%)
Total votes: 5


So which CPU will you choose: Intel Core i7 5960X or i7 8700K?