Home > CPU Comparison > Core i5 12400F or Ryzen 5 8400F: what's better?

Intel Core i5 12400F vs AMD Ryzen 5 8400F

49 out of 100
Intel Core i5 12400F
VS
57 out of 100
AMD Ryzen 5 8400F
Intel Core i5 12400F
AMD Ryzen 5 8400F

We compared two 6-core desktop CPUs: the 2.5 GHz Intel Core i5 12400F against the 4.2 GHz AMD Ryzen 5 8400F. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
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Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click “Calculate".
Currency
VS
66.9
(Good)
Value Index
93.3
(Very good)

Key Differences

What are the key differences between 8400F and 12400F
Advantages of Intel Core i5 12400F
  • Newer PCI Express version – 5.0
Advantages of AMD Ryzen 5 8400F
  • More modern manufacturing process – 4 versus 10 nanometers
  • Newer - released 2 years and 5 months later
  • Unlocked multiplier
  • Supports up to 256 GB DDR5-5200 RAM
  • 7% higher Turbo Boost frequency (4.7 GHz vs 4.4 GHz)
  • 10% faster in a single-core Geekbench v6 test - 2541 vs 2300 points

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i5 12400F
vs
Ryzen 5 8400F

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Core i5 12400F
2300
Ryzen 5 8400F +10%
2541
Geekbench 6 (Multi-Core)
Core i5 12400F
9477
Ryzen 5 8400F +27%
12058
File compression 789 MB/sec 1320 MB/sec
Clang compilation 69.9 Klines/sec 84.7 Klines/sec
HTML 5 Browser 221 pages/sec 256.7 pages/sec
PDF Renderer 263.7 Mpixels/sec 282 Mpixels/sec
Text processing 230 pages/sec 271.8 pages/sec
Background blur 49.5 images/sec 60.5 images/sec
Photo processing 77.9 images/sec 97.2 images/sec
Ray tracing 16.2 Mpixels/sec 18.3 Mpixels/sec
Sources: GeekBench [1], [2] – 1128 & 80 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i5 12400F
19551
Ryzen 5 8400F +25%
24387
Integer math 60.1 GOps/sec 74 GOps/sec
Floating point math 46.9 GOps/sec 46.2 GOps/sec
Find prime numbers 74M Primes/sec 89M Primes/sec
Random string sorting 23.2M Strings/sec 34.6M Strings/sec
Data encryption 11.7 GBytes/sec 16.6 GBytes/sec
Data compression 233.1 MBytes/sec 288.1 MBytes/sec
Physics 1257 Frames/sec 1332 Frames/sec
Extended instructions 15.9B Matrices/sec 22.2B Matrices/sec
Sources: PassMark [3], [4] – 17200 & 1803 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i5 12400F
161.36
Ryzen 5 8400F +14%
183.77

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 9.8 PPW 11.4 PPW
Geekbench 6 Multi / Watt 145.8 PPW 185.5 PPW
Passmark CPU Mark / Watt 300.8 PPW 375.2 PPW
Blender / Watt 2.48 PPW 2.83 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
Intel Core i5 12400F
DateBenchmarkResult
📘 2026-01-24 (Ecstatify)Geekbench 6 CPU2918 / 13277
📘 2025-08-17 (Olini)Cinebench 2024101 / 664
📘 2025-07-21 (Rolling Manatee)Cinebench 202495 / 640
📘 2025-05-12 (inoklike)Cinebench 202493 / 646
📘 2025-03-04 (RD)Cinebench 202488 / 620
Add View all (5)
AMD Ryzen 5 8400F
DateBenchmarkResult
📘 2025-05-13 (Виталий)Geekbench 6 CPU2683 / 12790
📘 2025-05-13 (Виталий)Cinebench 2024106 / 813
📘 2025-03-24 (Zen)Cinebench 2024103 / 739
📘 2025-02-11 (soZe)Cinebench 2024102 / 675
Add View all (4)

Specifications

Full technical specification of Intel Core i5 12400F and AMD Ryzen 5 8400F

General

Vendor Intel Amd
Released January 4, 2022 May 14, 2024
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Alder Lake Zen 4 (Phoenix)
Model number i5-12400F 8400F
Integrated GPU No No
Rival Equivalent - - Intel Core i5 14400F
Successor - Intel Core Ultra 5 225F - AMD Ryzen 5 9500F
Intel CPU rating (#163rd place)
AMD Ryzen CPU ranking (#78th place)

CPU

Performance Cores
P-Cores 6 6
P-Threads 12 12
Base Frequency (P) 2.5 GHz 4.2 GHz
Turbo Boost Frequency (P) 4.4 GHz 4.7 GHz
Total
Total Cores 6 6
Total Threads 12 12
Bus Frequency 100 MHz 100 MHz
Multiplier 25x 42x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1280K (per core) 1MB (per core)
L3 Cache 18MB (shared) 16MB (shared)
Unlocked Multiplier No Yes

Package

Transistors - 25 billions
Fabrication Process 10 nm 4 nm
TDP (PL1) 65 W 45-65 W (configurable)
Max. Boost TDP (PL2) 117 W 88 W
Socket LGA-1700 AM5
Peak Temperature 100°C 95°C
Desktop CPU ranking (108th and 87th place)

Memory Support

Memory Types - DDR5-4800
- DDR4-3200		 - DDR5-5200
Max. Memory Size 128 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s -
ECC Support No No

Misc

Official Site Intel Core i5 12400F official page AMD Ryzen 5 8400F official page
PCI Express Version 5.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
39 (18.1%)
177 (81.9%)
Total votes: 216

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Comments

So which CPU will you choose: AMD Ryzen 5 8400F or Intel Core i5 12400F?
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