Intel Core i9 13900KS vs AMD Ryzen 7 7800X3D

We compared two desktop CPUs: the 3.2 GHz Intel Core i9 13900KS with 24-cores against the 4.2 GHz AMD Ryzen 7 7800X3D with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


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
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Generic CPU rating
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score when comparing desktop CPUs.

Key Differences

What are the key differences between 7800X3D and 13900KS
Advantages of Intel Core i9 13900KS
  • Has 16 more physical cores
  • 20% higher Turbo Boost frequency (6 GHz vs 5 GHz)
  • 25% faster in a single-core Geekbench v6 test - 3409 vs 2730 points
  • More than 11° C higher critical temperature
Advantages of AMD Ryzen 7 7800X3D
  • Has 61440 KB larger L3 cache size
  • More modern manufacturing process – 5 versus 10 nanometers

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench R23

Reputable cross-platform benchmark for high-performance processors
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)

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 2140 MB/sec 1770 MB/sec
Clang compilation 207.8 Klines/sec 114.7 Klines/sec
HTML 5 Browser 585.4 pages/sec 338.9 pages/sec
PDF Renderer 634.9 Mpixels/sec 422.4 Mpixels/sec
Text processing 328.3 pages/sec 257.2 pages/sec
Background blur 92.1 images/sec 66.2 images/sec
Photo processing 224.1 images/sec 113.7 images/sec
Ray tracing 42 Mpixels/sec 24.7 Mpixels/sec
Sources: GeekBench [1], [2]


Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 214.1 GOps/sec 104.4 GOps/sec
Floating point math 157.2 GOps/sec 62.2 GOps/sec
Find prime numbers 266M Primes/sec 331M Primes/sec
Random string sorting 93.8M Strings/sec 47.5M Strings/sec
Data encryption 48.8 GBytes/sec 22.5 GBytes/sec
Data compression 832.1 MBytes/sec 387.1 MBytes/sec
Physics 3517 Frames/sec 3573 Frames/sec
Extended instructions 49.1B Matrices/sec 29.3B Matrices/sec
Sources: PassMark [3], [4]

Value for money

Enter the current prices of the CPUs and click "Calculate" to determine which one has a better value-to-performance ratio.


Full technical specification of Intel Core i9 13900KS and AMD Ryzen 7 7800X3D


Vendor Intel AMD
Released January 12, 2023 January 4, 2023
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Raptor Lake Zen 4 (Raphael)
Model number i9-13900KS -
Integrated GPU UHD Graphics 770 Radeon Graphics (Ryzen 7000)


Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3.2 GHz 4.2 GHz
Turbo Boost Frequency (P) 6 GHz 5 GHz
Efficient Cores
E-Cores 16 -
E-Threads 16 -
Base Frequency (E) 2.4 GHz -
Turbo Boost Frequency (E) 4.3 GHz -
Total Cores 24 8
Total Threads 32 16
Bus Frequency 100 MHz 100 MHz
Multiplier 32x 42x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 32MB (shared) 1MB (per core)
L3 Cache 36MB (shared) 96MB (shared)
Unlocked Multiplier Yes -


Transistors - 13.1 billions
Fabrication process 10 nm 5 nm
TDP (PL1) 150 W 120 W
Max. Boost TDP (PL2) 253 W 162 W
Socket LGA-1700 AM5
Peak temperature 100°C 89°C


Integrated Graphics Intel UHD Graphics 770 Radeon Graphics (Ryzen 7000)
GPU Base Clock 300 MHz 1500 MHz
GPU Boost Clock 1650 MHz 2200 MHz
Shading Units 256 448
TMUs 16 8
ROPs 8 4
Execution Units 32 2
TGP 15 W 15 W

Memory Support

Memory types - DDR5-5600
- DDR4-3200
- DDR5-5200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support Yes Yes


Official site Intel Core i9 13900KS official page AMD Ryzen 7 7800X3D official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
50 (54.9%)
41 (45.1%)
Total votes: 91


So which CPU will you choose: AMD Ryzen 7 7800X3D or Intel Core i9 13900KS?