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Intel Core i5 8600K vs AMD Ryzen 7 1700X

We compared two desktop CPUs: the 3.6 GHz Intel Core i5 8600K with 6-cores against the 3.4 GHz AMD Ryzen 7 1700X with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

NanoReview Review

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 Consumption
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 1700X and 8600K
Advantages of Intel Core i5 8600K
  • Supports up to 128 GB DDR4-2666 RAM
  • Newer - released 7 months later
  • Includes an integrated GPU Intel UHD Graphics 630
  • 13% higher Turbo Boost frequency (4.3 GHz vs 3.8 GHz)
  • Around 1.86 GB/s (5%) higher theoretical memory bandwidth
Advantages of AMD Ryzen 7 1700X
  • Has 7 MB larger L3 cache size
  • Has 2 physical cores more than the 8600K


Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)


Full technical specification of Intel Core i5 8600K and AMD Ryzen 7 1700X


Vendor Intel AMD
Released October 5, 2017 March 2, 2017
Launch price 257 USD 399 USD
Type Desktop Desktop
Codename Coffee Lake Zen
Model number i5-8600K -
Socket LGA-1151 AM4
Integrated GPU Intel UHD Graphics 630 No


Cores 6 8
Threads 6 16
Base Frequency 3.6 GHz 3.4 GHz
Turbo Boost Frequency 4.3 GHz 3.8 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 36x 34x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 96K (per core)
L2 Cache 256K (per core) 512K (per core)
L3 Cache 9MB (shared) 16MB (shared)
Unlocked Multiplier Yes Yes


Transistors - 4.8 billions
Fabrication Process 14 nm 14 nm
TDP 95 W 95 W
Max. temperature 100°C 95°C

Memory support

Memory types DDR4-2666 DDR4-2666
Memory Size 128 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 41.6 GB/s 39.74 GB/s
EEC Support No Yes


Official site Intel Core i5 8600K official page AMD Ryzen 7 1700X official page
PCI Express Version 3.0 3.0
PCI Express Lanes 16 20
Instruction Set SSE4.1, SSE4.2, AVX-2 -

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So which CPU will you choose: AMD Ryzen 7 1700X or Intel Core i5 8600K?