AMD Ryzen 9 7900X3D vs Ryzen 7 7800X3D

We compared two desktop CPUs: the 4.4 GHz AMD Ryzen 9 7900X3D 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 7900X3D
Advantages of AMD Ryzen 9 7900X3D
  • Has 4 more physical cores
  • Has 32768 KB larger L3 cache size
  • 12% higher Turbo Boost frequency (5.6 GHz vs 5 GHz)

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 1810 MB/sec 1770 MB/sec
Clang compilation 162.5 Klines/sec 114.7 Klines/sec
HTML 5 Browser 350.5 pages/sec 338.9 pages/sec
PDF Renderer 489.7 Mpixels/sec 422.4 Mpixels/sec
Text processing 287.4 pages/sec 257.2 pages/sec
Background blur 64.8 images/sec 66.2 images/sec
Photo processing 117.8 images/sec 113.7 images/sec
Ray tracing 36 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 160.6 GOps/sec 104.4 GOps/sec
Floating point math 98 GOps/sec 62.2 GOps/sec
Find prime numbers 445M Primes/sec 331M Primes/sec
Random string sorting 75.1M Strings/sec 47.5M Strings/sec
Data encryption 35.2 GBytes/sec 22.5 GBytes/sec
Data compression 596.2 MBytes/sec 387.1 MBytes/sec
Physics 4712 Frames/sec 3573 Frames/sec
Extended instructions 44.8B 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 7900X3D and Ryzen 7 7800X3D


Vendor AMD AMD
Released January 4, 2023 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) 4.4 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 44x 42x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 128MB (shared) 96MB (shared)


Transistors 13.1 billions 13.1 billions
Fabrication process 5 nm 5 nm
TDP (PL1) 120 W 120 W
Max. Boost TDP (PL2) 162 W 162 W
Socket AM5 AM5
Peak temperature 89°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
ECC Support Yes Yes


Official site AMD Ryzen 9 7900X3D 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
43 (70.5%)
18 (29.5%)
Total votes: 61


So which CPU will you choose: AMD Ryzen 7 7800X3D or Ryzen 9 7900X3D?