AMD Ryzen 9 7900X vs Ryzen 7 7800X3D

We compared two desktop CPUs: the 4.7 GHz AMD Ryzen 9 7900X with 12-cores against the 4.2 GHz 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 7900X
Advantages of AMD Ryzen 9 7900X
  • Has 4 more physical cores
  • More than 6° C higher critical temperature
  • 12% higher Turbo Boost frequency (5.6 GHz vs 5 GHz)
  • 14% faster in a single-core Geekbench v6 test - 3113 vs 2730 points
Advantages of AMD Ryzen 7 7800X3D
  • Has 32768 KB larger L3 cache size

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 1790 MB/sec 1770 MB/sec
Clang compilation 178.4 Klines/sec 114.7 Klines/sec
HTML 5 Browser 337.9 pages/sec 338.9 pages/sec
PDF Renderer 472.1 Mpixels/sec 422.4 Mpixels/sec
Text processing 313.2 pages/sec 257.2 pages/sec
Background blur 77.6 images/sec 66.2 images/sec
Photo processing 123.5 images/sec 113.7 images/sec
Ray tracing 39.3 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 171.8 GOps/sec 104.4 GOps/sec
Floating point math 105.1 GOps/sec 62.2 GOps/sec
Find prime numbers 382M Primes/sec 331M Primes/sec
Random string sorting 78.1M Strings/sec 47.5M Strings/sec
Data encryption 37.7 GBytes/sec 22.5 GBytes/sec
Data compression 639.9 MBytes/sec 387.1 MBytes/sec
Physics 3077 Frames/sec 3573 Frames/sec
Extended instructions 48B 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 AMD Ryzen 9 7900X and Ryzen 7 7800X3D


Vendor AMD AMD
Released September 29, 2022 January 4, 2023
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Zen 4 (Raphael) Zen 4 (Raphael)
Integrated GPU Radeon Graphics (Ryzen 7000) Radeon Graphics (Ryzen 7000)


Performance Cores
P-Cores 12 8
P-Threads 24 16
Base Frequency (P) 4.7 GHz 4.2 GHz
Turbo Boost Frequency (P) 5.6 GHz 5 GHz
Total Cores 12 8
Total Threads 24 16
Bus Frequency 100 MHz 100 MHz
Multiplier 47x 42x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 64MB (shared) 96MB (shared)
Unlocked Multiplier Yes -


Transistors 13.1 billions 13.1 billions
Fabrication process 5 nm 5 nm
TDP (PL1) 170 W 120 W
Max. Boost TDP (PL2) 230 W 162 W
Socket AM5 AM5
Peak temperature 95°C 89°C


Integrated Graphics Radeon Graphics (Ryzen 7000) Radeon Graphics (Ryzen 7000)
GPU Base Clock 1500 MHz 1500 MHz
GPU Boost Clock 2200 MHz 2200 MHz
Shading Units 448 448
TMUs 8 8
ROPs 4 4
Execution Units 2 2
TGP 15 W 15 W

Memory Support

Memory types - DDR5-5200 - DDR5-5200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 73.4 GB/s -
ECC Support Yes Yes


Official site AMD Ryzen 9 7900X official page AMD Ryzen 7 7800X3D official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
70 (80.5%)
17 (19.5%)
Total votes: 87


So which CPU will you choose: AMD Ryzen 7 7800X3D or Ryzen 9 7900X?
7900x gang 04 September 2023 21:03
The 7800X3D is a meme and the 7900X is the same price
0 Reply