AMD Ryzen 9 7900X vs Ryzen 9 5950X

We compared two desktop CPUs: the 4.7 GHz AMD Ryzen 9 7900X with 12-cores against the 3.4 GHz Ryzen 9 5950X with 16-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

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
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 5950X and 7900X
Advantages of AMD Ryzen 9 7900X
  • Newer - released 2-years later
  • 62% faster in a single-core Geekbench v6 test - 3113 vs 1926 points
  • Around 25.72 GB/s (54%) higher theoretical memory bandwidth
  • More modern manufacturing process – 5 versus 7 nanometers
  • Newer PCI Express version – 5.0
  • Includes an integrated GPU Radeon Graphics (Ryzen 7000)
  • 14% higher Turbo Boost frequency (5.6 GHz vs 4.9 GHz)
Advantages of AMD Ryzen 9 5950X
  • Has 4 more physical cores
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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)
2033
Cinebench R23 (Multi-Core)
29439

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
3113
Geekbench 6 (Multi-Core)
18807
File compression 1790 MB/sec 1090 MB/sec
Clang compilation 178.4 Klines/sec 137.4 Klines/sec
HTML 5 Browser 337.9 pages/sec 225.5 pages/sec
PDF Renderer 472.1 Mpixels/sec 349.4 Mpixels/sec
Text processing 313.2 pages/sec 191.7 pages/sec
Background blur 77.6 images/sec 51.9 images/sec
Photo processing 123.5 images/sec 84.2 images/sec
Ray tracing 39.3 Mpixels/sec 37.7 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
4307
Passmark CPU (Multi-Core)
52222
Integer math 171.8 GOps/sec 189.7 GOps/sec
Floating point math 105.1 GOps/sec 100.2 GOps/sec
Find prime numbers 382M Primes/sec 238M Primes/sec
Random string sorting 78.1M Strings/sec 66.5M Strings/sec
Data encryption 37.7 GBytes/sec 40 GBytes/sec
Data compression 639.9 MBytes/sec 628.9 MBytes/sec
Physics 3077 Frames/sec 1916 Frames/sec
Extended instructions 48B Matrices/sec 40.4B 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.
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Specifications

Full technical specification of AMD Ryzen 9 7900X and Ryzen 9 5950X

General

Vendor AMD AMD
Released September 29, 2022 October 8, 2020
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Zen 4 (Raphael) Zen 3 (Vermeer)
Integrated GPU Radeon Graphics (Ryzen 7000) No

CPU

Performance Cores
P-Cores 12 16
P-Threads 24 32
Base Frequency (P) 4.7 GHz 3.4 GHz
Turbo Boost Frequency (P) 5.6 GHz 4.9 GHz
Total
Total Cores 12 16
Total Threads 24 32
Bus Frequency 100 MHz 100 MHz
Multiplier 47x 34x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 512K (per core)
L3 Cache 64MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors 13.1 billions 4.15 billions
Fabrication process 5 nm 7 nm
TDP (PL1) 170 W 105 W
Max. Boost TDP (PL2) 230 W -
Socket AM5 AM4
Peak temperature 95°C 95°C

iGPU

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

Memory Support

Memory types - DDR5-5200 - DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 73.4 GB/s 47.68 GB/s
ECC Support Yes Yes

Misc

Official site AMD Ryzen 9 7900X official page AMD Ryzen 9 5950X official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
118 (72%)
46 (28%)
Total votes: 164

Comments

So which CPU will you choose: AMD Ryzen 9 5950X or Ryzen 9 7900X?
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