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Intel Core i7 7700K vs AMD Ryzen 7 1700X

We compared two desktop CPUs: the 4.2 GHz Intel Core i7 7700K with 4-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 7700K
Advantages of Intel Core i7 7700K
  • 18% higher Turbo Boost frequency (4.5 GHz vs 3.8 GHz)
  • Includes an integrated GPU Intel HD Graphics 630
  • Consumes up to 4% less energy than the Ryzen 7 1700X – 91 vs 95 Watt
Advantages of AMD Ryzen 7 1700X
  • Has 4 physical cores more than the 7700K
  • Has 8 MB larger L3 cache size
  • Unlocked multiplier
  • Around 3.98 GB/s (11%) higher theoretical memory bandwidth


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 i7 7700K and AMD Ryzen 7 1700X


Vendor Intel AMD
Released January 3, 2017 March 2, 2017
Launch price 350 USD 399 USD
Type Desktop Desktop
Codename Kaby Lake Zen
Model number i7-7700K -
Socket LGA-1151 AM4
Integrated GPU Intel HD Graphics 630 No


Cores 4 8
Threads 8 16
Base Frequency 4.2 GHz 3.4 GHz
Turbo Boost Frequency 4.5 GHz 3.8 GHz
Bus frequency 42 MHz 100 MHz
Multiplier 100x 34x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 96K (per core)
L2 Cache 256K (per core) 512K (per core)
L3 Cache 8MB (shared) 16MB (shared)
Unlocked Multiplier No Yes


Transistors - 4.8 billions
Fabrication Process 14 nm 14 nm
TDP 91 W 95 W
Max. temperature 100°C 95°C

Memory support

Memory types DDR4-2400, DDR3L-1600 DDR4-2666
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 35.76 GB/s 39.74 GB/s
EEC Support No Yes


Official site Intel Core i7 7700K 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 i7 7700K?