Home > CPU Comparison > Core Ultra 5 245KF or Ryzen 5 8400F: what's better?

Intel Core Ultra 5 245KF vs AMD Ryzen 5 8400F

75 out of 100
Intel Core Ultra 5 245KF
VS
57 out of 100
AMD Ryzen 5 8400F
Intel Core Ultra 5 245KF
AMD Ryzen 5 8400F

We compared two desktop CPUs: the 4.2 GHz Intel Core Ultra 5 245KF with 14-cores against the 4.2 GHz AMD Ryzen 5 8400F with 6-cores. 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
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
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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
141.4
(Excellent)
Value Index
93.3
(Very good)

Key Differences

What are the key differences between 8400F and 245KF
Advantages of Intel Core Ultra 5 245KF
  • Has 8 more physical cores
  • Has 8 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • More modern manufacturing process – 3 versus 4 nanometers
  • Newer PCI Express version – 5.0
  • Newer - released 5 months later
  • 16% faster in a single-core Geekbench v6 test - 2941 vs 2541 points
  • More than 10° C higher critical temperature
  • 11% higher Turbo Boost frequency (5.2 GHz vs 4.7 GHz)
Advantages of AMD Ryzen 5 8400F
  • Supports up to 256 GB DDR5-5200 RAM

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 5 245KF
vs
Ryzen 5 8400F

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (#60th place)
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)
Geekbench 6 (Multi-Core)
File compression 1360 MB/sec 1320 MB/sec
Clang compilation 144.1 Klines/sec 84.7 Klines/sec
HTML 5 Browser 396.9 pages/sec 256.7 pages/sec
PDF Renderer 462.4 Mpixels/sec 282 Mpixels/sec
Text processing 313.6 pages/sec 271.8 pages/sec
Background blur 85.7 images/sec 60.5 images/sec
Photo processing 145.9 images/sec 97.2 images/sec
Ray tracing 30.6 Mpixels/sec 18.3 Mpixels/sec
Sources: GeekBench [1], [2] – 80 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 98.8 GOps/sec 74 GOps/sec
Floating point math 131.5 GOps/sec 46.2 GOps/sec
Find prime numbers 415M Primes/sec 89M Primes/sec
Random string sorting 55.2M Strings/sec 34.6M Strings/sec
Data encryption 33.4 GBytes/sec 16.6 GBytes/sec
Data compression 460.1 MBytes/sec 288.1 MBytes/sec
Physics 2996 Frames/sec 1332 Frames/sec
Extended instructions 37.9B Matrices/sec 22.2B Matrices/sec
Sources: PassMark [3], [4] – 702 & 1803 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core Ultra 5 245KF +73%
317.45
Ryzen 5 8400F
183.77

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 12.5 PPW 11.4 PPW
Geekbench 6 Multi / Watt 140.8 PPW 185.5 PPW
Passmark CPU Mark / Watt 344.8 PPW 375.2 PPW
Blender / Watt 2.54 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 Ultra 5 245KF
DateBenchmarkResult
📘 2025-03-17 (Eike)Cinebench 2024136 / 1560
Add View all (1)
AMD Ryzen 5 8400F
DateBenchmarkResult
📘 2025-05-13 (Виталий)GeekBench2683 / 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 Ultra 5 245KF and AMD Ryzen 5 8400F

General

Vendor Intel Amd
Released October 11, 2024 May 14, 2024
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Arrow Lake Zen 4 (Phoenix)
Model number 245KF 8400F
Integrated GPU No No
Rival Equivalent - AMD Ryzen 5 9600X - Intel Core i5 14400F
Successor - Intel Core Ultra 5 250KF Plus - AMD Ryzen 5 9500F
Intel CPU rating (#30th place)
AMD Ryzen CPU ranking (#78th place)

CPU

Performance Cores
P-Cores 6 6
P-Threads 6 12
Base Frequency (P) 4.2 GHz 4.2 GHz
Turbo Boost Frequency (P) 5.2 GHz 4.7 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 3.6 GHz -
Turbo Boost Frequency (E) 4.6 GHz -
Total
Total Cores 14 6
Total Threads 14 12
Bus Frequency 100 MHz 100 MHz
Multiplier 42x 42x
L1 Cache 112K (per core) 64K (per core)
L2 Cache 3MB (per core) 1MB (per core)
L3 Cache 24MB (shared) 16MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors 17.8 billions 25 billions
Fabrication Process 3 nm 4 nm
TDP (PL1) 125 W 45-65 W (configurable)
Max. Boost TDP (PL2) 159 W 88 W
Socket FCLGA-1851 AM5
Peak Temperature 105°C 95°C
Desktop CPU ranking (36th and 86th place)

Memory Support

Memory Types - DDR5-6400 - DDR5-5200
Max. Memory Size 192 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s -
ECC Support Yes No

Misc

Official Site Intel Core Ultra 5 245KF official page AMD Ryzen 5 8400F official page
PCI Express Version 5.0 4.0
PCI Express Lanes 24 20

Cast your vote

Choose between two processors
2 (100%)
0 (0%)
Total votes: 2

Competitors

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2. AMD Ryzen 5 8400F vs AMD Ryzen 5 7500F
3. AMD Ryzen 5 8400F vs Intel Core i5 12400F
4. AMD Ryzen 5 8400F vs AMD Ryzen 5 7600
5. AMD Ryzen 5 8400F vs AMD Ryzen 5 7600X
6. Intel Core Ultra 5 245KF vs Intel Core i5 13600K (1)
7. Intel Core Ultra 5 245KF vs Intel Core Ultra 5 245K
8. Intel Core Ultra 5 245KF vs Intel Core i5 14600KF
9. Intel Core Ultra 5 245KF vs Intel Core i5 13600KF
10. Intel Core Ultra 5 245KF vs AMD Ryzen 5 7500F
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Comments

So which CPU will you choose: AMD Ryzen 5 8400F or Intel Core Ultra 5 245KF?
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