AMD Ryzen 9 7950X vs Ryzen 9 3950X

We compared two 16-core desktop CPUs: the 4.5 GHz AMD Ryzen 9 7950X against the 3.5 GHz Ryzen 9 3950X. 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 3950X and 7950X
Advantages of AMD Ryzen 9 7950X
  • Newer - released 2-years and 10-months later
  • 71% faster in a single-core Geekbench v6 test - 3021 vs 1768 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
  • 21% higher Turbo Boost frequency (5.7 GHz vs 4.7 GHz)
  • Includes an integrated GPU Radeon Graphics (Ryzen 7000)
Promotion

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)
2019
Cinebench R23 (Multi-Core)
36852

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
3021
Geekbench 6 (Multi-Core)
20356
File compression 1720 MB/sec 997.1 MB/sec
Clang compilation 222.2 Klines/sec 125.5 Klines/sec
HTML 5 Browser 370.1 pages/sec 231.5 pages/sec
PDF Renderer 531.7 Mpixels/sec 317.4 Mpixels/sec
Text processing 302.2 pages/sec 143.7 pages/sec
Background blur 78.3 images/sec 39.3 images/sec
Photo processing 127.2 images/sec 84.3 images/sec
Ray tracing 51.1 Mpixels/sec 31.8 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
4317
Passmark CPU (Multi-Core)
63392
Integer math 228.2 GOps/sec 133.8 GOps/sec
Floating point math 139.2 GOps/sec 78.1 GOps/sec
Find prime numbers 357M Primes/sec 186M Primes/sec
Random string sorting 102.9M Strings/sec 64.2M Strings/sec
Data encryption 49.8 GBytes/sec 38.1 GBytes/sec
Data compression 842.9 MBytes/sec 588.4 MBytes/sec
Physics 3100 Frames/sec 1655 Frames/sec
Extended instructions 62.4B Matrices/sec 36.7B 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.
VS

Specifications

Full technical specification of AMD Ryzen 9 7950X and Ryzen 9 3950X

General

Vendor AMD AMD
Released August 29, 2022 November 25, 2019
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Zen 4 (Raphael) -
Integrated GPU Radeon Graphics (Ryzen 7000) No

CPU

Performance Cores
P-Cores 16 16
P-Threads 32 32
Base Frequency (P) 4.5 GHz 3.5 GHz
Turbo Boost Frequency (P) 5.7 GHz 4.7 GHz
Total
Total Cores 16 16
Total Threads 32 32
Bus Frequency 100 MHz 100 MHz
Multiplier 45x 35x
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 3.8 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 -

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 7950X official page AMD Ryzen 9 3950X official page
PCI Express Version 5.0 4.0
PCI Express Lanes 28 16

Cast your vote

Choose between two processors
0 (0%)
0 (0%)
Total votes: < 1

Comments

So which CPU will you choose: AMD Ryzen 9 3950X or Ryzen 9 7950X?
Promotion