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Intel Core i5 8400 vs AMD Ryzen 7 1700X

We compared two desktop CPUs: the 2.8 GHz Intel Core i5 8400 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
Performance
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 8400
Advantages of Intel Core i5 8400
  • Supports up to 128 GB DDR4-2666 RAM
  • Consumes up to 32% less energy than the Ryzen 7 1700X – 65 vs 95 Watt
  • Newer - released 7 months later
  • Includes an integrated GPU Intel UHD Graphics 630
  • 5% higher Turbo Boost frequency (4 GHz vs 3.8 GHz)
  • Around 1.86 GB/s (5%) higher theoretical memory bandwidth
Advantages of AMD Ryzen 7 1700X
  • Unlocked multiplier
  • Has 7 MB larger L3 cache size
  • Has 2 physical cores more than the 8400

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
3289
Passmark CPU (Single-Core)
2355
Passmark CPU (Multi-Core)
11670
15058
Geekbench 5 (Single-Core)
1058
Geekbench 5 (Multi-Core)
6153

Specs

Full technical specification of Intel Core i5 8400 and AMD Ryzen 7 1700X

General

Vendor Intel AMD
Released October 5, 2017 March 2, 2017
Launch price 182 USD 399 USD
Type Desktop Desktop
Codename Coffee Lake Zen
Model number i5-8400 -
Socket LGA-1151 AM4
Integrated GPU Intel UHD Graphics 630 No

Performance

Cores 6 8
Threads 6 16
Base Frequency 2.8 GHz 3.4 GHz
Turbo Boost Frequency 4 GHz 3.8 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 28x 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 No Yes

Power

Transistors - 4.8 billions
Fabrication Process 14 nm 14 nm
TDP 65 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

Misc

Official site Intel Core i5 8400 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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Comments

So which CPU will you choose: AMD Ryzen 7 1700X or Intel Core i5 8400?