Intel Core i5 12400F vs AMD Ryzen 7 3800X

We compared two desktop CPUs: the 2.5 GHz Intel Core i5 12400F with 6-cores against the 3.9 GHz AMD Ryzen 7 3800X with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

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

Key Differences

What are the key differences between 3800X and 12400F
Advantages of Intel Core i5 12400F
  • Newer - released 2-years and 6-months later
  • Consumes up to 38% less energy than the Ryzen 7 3800X – 65 vs 105 Watt
  • Around 29.12 GB/s (61%) higher theoretical memory bandwidth
  • Newer PCI Express version – 5.0
  • 22% faster in a single-core Geekbench v5 test - 1638 vs 1342 points
Advantages of AMD Ryzen 7 3800X
  • Unlocked multiplier
  • Has 14 MB larger L3 cache size
  • More modern manufacturing process – 7 versus 10 nanometers
  • Has 2 more physical cores
  • 2% higher Turbo Boost frequency (4.5 GHz vs 4.4 GHz)

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
1699
Cinebench R23 (Multi-Core)
13718
Passmark CPU (Single-Core)
3568
Passmark CPU (Multi-Core)
23077
Geekbench 5 (Single-Core)
1635
Geekbench 5 (Multi-Core)
9462
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Specifications

Full technical specification of Intel Core i5 12400F and AMD Ryzen 7 3800X

General

Vendor Intel AMD
Released January 4, 2022 July 7, 2019
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake-S Zen 2
Model number i5-12400F -
Socket LGA-1700 AM4
Integrated GPU No No

Performance

Cores 6 8
Threads 12 16
Base Frequency 2.5 GHz 3.9 GHz
Turbo Boost Frequency 4.4 GHz 4.5 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 25x 39x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1280K (per core) 512K (per core)
L3 Cache 18MB (shared) 32MB (shared)
Unlocked Multiplier No Yes

Power

Transistors - 3.8 billions
Fabrication process 10 nm 7 nm
TDP 65 W 105 W
Max. temperature 100°C 95°C

Memory support

Memory types DDR5-4800, DDR4-3200 DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s 47.68 GB/s
ECC Support No Yes

Misc

Official site Intel Core i5 12400F official page AMD Ryzen 7 3800X official page
PCI Express Version 5.0 4.0
PCI Express Lanes 20 16

Cast your vote

Choose between two processors
5 (55.6%)
4 (44.4%)
Total votes: 9

Comments

So which CPU will you choose: AMD Ryzen 7 3800X or Intel Core i5 12400F?
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