Home > CPU Comparison > Core i9 13900KF or Ryzen 9 7900X: what's better?

Intel Core i9 13900KF vs AMD Ryzen 9 7900X

82 out of 100
Intel Core i9 13900KF
VS
75 out of 100
AMD Ryzen 9 7900X
Intel Core i9 13900KF
AMD Ryzen 9 7900X

We compared two desktop CPUs: the 3.0 GHz Intel Core i9 13900KF with 24-cores against the 4.7 GHz AMD Ryzen 9 7900X with 12-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.
πŸ”Œ Usage Scenario:

Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click β€œCalculate".
Currency
VS
43.5
(Average)
Value Index
74.3
(Good)

Key Differences

What are the key differences between 7900X and 13900KF
Advantages of Intel Core i9 13900KF
  • Has 12 more physical cores
Advantages of AMD Ryzen 9 7900X
  • More modern manufacturing process – 5 versus 10 nanometers
  • Has 28 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Includes an integrated GPU Radeon Graphics (Ryzen 7000)
  • 4% higher Turbo Boost frequency (5.6 GHz vs 5.4 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i9 13900KF
vs
Ryzen 9 7900X

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (34th and 65th 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)
Core i9 13900KF +11%
20166
Ryzen 9 7900X
18246
File compression 1590 MB/sec 1810 MB/sec
Clang compilation 195 Klines/sec 175.1 Klines/sec
HTML 5 Browser 485.7 pages/sec 360.8 pages/sec
PDF Renderer 531.3 Mpixels/sec 535.6 Mpixels/sec
Text processing 296.4 pages/sec 299.8 pages/sec
Background blur 72.3 images/sec 52.2 images/sec
Photo processing 153.2 images/sec 121.8 images/sec
Ray tracing 44 Mpixels/sec 39.1 Mpixels/sec
Sources: GeekBench [1], [2] – 877 & 1096 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i9 13900KF +12%
57456
Ryzen 9 7900X
51226
Integer math 205.7 GOps/sec 168.1 GOps/sec
Floating point math 150 GOps/sec 103.5 GOps/sec
Find prime numbers 223M Primes/sec 389M Primes/sec
Random string sorting 86.1M Strings/sec 74.8M Strings/sec
Data encryption 45.9 GBytes/sec 37.1 GBytes/sec
Data compression 780.9 MBytes/sec 629.8 MBytes/sec
Physics 2958 Frames/sec 3046 Frames/sec
Extended instructions 45.8B Matrices/sec 47.4B Matrices/sec
Sources: PassMark [3], [4] – 4726 & 9482 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i9 13900KF +28%
536.55
Ryzen 9 7900X
420.06

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 15.2 PPW 9 PPW
Geekbench 6 Multi / Watt 161.3 PPW 107.3 PPW
Passmark CPU Mark / Watt 459.6 PPW 301.3 PPW
Blender / Watt 4.29 PPW 2.47 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 i9 13900KF
DateBenchmarkResult
πŸ“˜ 2026-07-23 (mvlad)Cinebench 2024133 / 2158
πŸ“˜ 2026-04-26 (blayk11)Geekbench 6 CPU3068 / 19278
πŸ“˜ 2026-04-26 (blayk11)Cinebench 2024129 / 2089
πŸ“˜ 2026-03-03 -> mazdapride89Cinebench 2024125 / 1896
πŸ“˜ 2026-03-03 -> mazdapride89Geekbench 6 CPU3193 / 20791
Add View all (10)
AMD Ryzen 9 7900X
DateBenchmarkResult
πŸ“˜ 2026-04-03 (afroman420IU)Cinebench 2024110 / 1302
πŸ“˜ 2026-02-11 (JDM)Cinebench 2024134 / 1165
πŸ“˜ 2025-12-27 (Avvy)Geekbench 6 CPU3320 / 14480
πŸ“˜ 2025-12-20 (Kev)Cinebench 2024120 / 1541
πŸ“˜ 2025-10-18 (NotHere3573)Cinebench 2024119 / 1550
Add View all (21)

Specifications

Full technical specification of Intel Core i9 13900KF and AMD Ryzen 9 7900X

General

Vendor Intel Amd
Released September 27, 2022 September 29, 2022
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Raptor Lake Zen 4 (Raphael)
Model number i9-13900K -
Integrated GPU No Radeon Graphics (Ryzen 7000)
Rival Equivalent - AMD Ryzen 9 7900X - Intel Core i9 13900K
Successor - Intel Core i9 14900KF - AMD Ryzen 9 9900X
Intel CPU rating (#13th place)
AMD Ryzen CPU ranking (#21st place)

CPU

Performance Cores
P-Cores 8 12
P-Threads 16 24
Base Frequency (P) 3.0 GHz 4.7 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.6 GHz
Efficient Cores
E-Cores 16 -
E-Threads 16 -
Base Frequency (E) 2.2 GHz -
Turbo Boost Frequency (E) 4.3 GHz -
Total
Total Cores 24 12
Total Threads 32 24
Bus Frequency 100 MHz 100 MHz
Multiplier 30x 47x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 2MB (per core) 1MB (per core)
L3 Cache 36MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors - 13.14 billions
Fabrication Process 10 nm 5 nm
TDP (PL1) 125 W 170 W
Max. Boost TDP (PL2) 253 W 230 W
Socket LGA-1700 AM5
Peak Temperature 100Β°C 95Β°C
Desktop CPU ranking (20th and 39th place)

iGPU

Integrated Graphics - Radeon Graphics (Ryzen 7000)
GPU Base Clock - 400 MHz
GPU Boost Clock - 2200 MHz
Shading Units - 128
TMUs - 8
ROPs - 4
Execution Units - 2
TGP - 15 W
iGPU FLOPS
See: Radeon Graphics iGPU (Ryzen 7000) benchmarks

Memory Support

Memory Types - DDR5-5600
- DDR4-3200		 - DDR5-5200
Max. Memory Size 192 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support Yes Yes

Misc

Official Site Intel Core i9 13900KF official page AMD Ryzen 9 7900X official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
19 (59.4%)
13 (40.6%)
Total votes: 32

Competitors

1. Intel Core i9 13900KF vs Intel Core i9 13900K (8)
2. Intel Core i9 13900KF vs Intel Core i9 14900KF
3. Intel Core i9 13900KF vs Intel Core i7 13700KF
4. AMD Ryzen 9 7900X vs AMD Ryzen 9 9950X
5. AMD Ryzen 9 7900X vs Intel Core i9 14900KF
6. AMD Ryzen 9 7900X vs AMD Ryzen 9 9900X
7. AMD Ryzen 9 7900X vs AMD Ryzen 9 5900X (5)
8. AMD Ryzen 9 7900X vs AMD Ryzen 7 7800X3D (3)
9. AMD Ryzen 9 7900X vs Intel Core i5 14600K (1)
10. AMD Ryzen 9 7900X vs Intel Core i7 14700K
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Comments

So which CPU will you choose: AMD Ryzen 9 7900X or Intel Core i9 13900KF?
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