Home > CPU Comparison > Ryzen 9 7950X or Ryzen 9 3950X: what's better?

AMD Ryzen 9 7950X vs Ryzen 9 3950X

85 out of 100
AMD Ryzen 9 7950X
VS
53 out of 100
AMD Ryzen 9 3950X
AMD Ryzen 9 7950X
AMD 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.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

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
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click β€œCalculate".
Currency
VS
29.9
(Mediocre)
Value Index
11.4
(Bad)

Key Differences

What are the key differences between 3950X and 7950X
Advantages of AMD Ryzen 9 7950X
  • Newer - released 2 years and 9 months later
  • Around 35.52 GB/s (74%) higher theoretical memory bandwidth
  • 72% faster in a single-core Geekbench v6 test - 3068 vs 1782 points
  • Supports up to 192 GB DDR5-5200 RAM
  • 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)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen 9 7950X
vs
Ryzen 9 3950X

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Ryzen 9 7950X +52%
2077
Ryzen 9 3950X
1370
Cinebench 2026 (Single) 679 -
Cinebench 2026 (Multi) 8943 -
Cinebench Scores (18th and 84th place)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Ryzen 9 7950X +72%
3068
Ryzen 9 3950X
1782
Geekbench 6 (Multi-Core)
Ryzen 9 7950X +88%
21401
Ryzen 9 3950X
11367
File compression 1960 MB/sec 869 MB/sec
Clang compilation 211.3 Klines/sec 137.6 Klines/sec
HTML 5 Browser 414.2 pages/sec 204.1 pages/sec
PDF Renderer 540.6 Mpixels/sec 335.9 Mpixels/sec
Text processing 304.8 pages/sec 145.8 pages/sec
Background blur 78.9 images/sec 41.9 images/sec
Photo processing 148.7 images/sec 73.3 images/sec
Ray tracing 46.1 Mpixels/sec 30.4 Mpixels/sec
Sources: GeekBench [1], [2] – 1055 & 615 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Ryzen 9 7950X +57%
4252
Ryzen 9 3950X
2701
Passmark CPU (Multi-Core)
Ryzen 9 7950X +62%
62139
Ryzen 9 3950X
38436
Integer math 224.2 GOps/sec 132.8 GOps/sec
Floating point math 137.4 GOps/sec 77.8 GOps/sec
Find prime numbers 333M Primes/sec 173M Primes/sec
Random string sorting 98.4M Strings/sec 63.1M Strings/sec
Data encryption 49.1 GBytes/sec 37.8 GBytes/sec
Data compression 831.2 MBytes/sec 587.6 MBytes/sec
Physics 3073 Frames/sec 1602 Frames/sec
Extended instructions 61.7B Matrices/sec 36.6B Matrices/sec
Sources: PassMark [3], [4] – 8748 & 4053 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Ryzen 9 7950X +53%
576.1
Ryzen 9 3950X
376.65

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 12.2 PPW 13 PPW
Geekbench 6 Multi / Watt 125.9 PPW 108.3 PPW
Passmark CPU Mark / Watt 365.5 PPW 366.1 PPW
Blender / Watt 3.39 PPW 3.59 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
AMD Ryzen 9 7950X
DateBenchmarkResult
πŸ“˜ 2026-04-25 (Leandro Irgang)Cinebench 2026679 / 8943
πŸ“˜ 2026-04-25 (VikTOR)Cinebench 2024125 / 2213
πŸ“˜ 2026-02-07 (Gerard)Cinebench 2026627 / 8337
πŸ“˜ 2025-12-17 (RipePipe)Cinebench 2024118 / 1956
πŸ“˜ 2024-11-28 (Mirage_Tahmid)Cinebench 2024118 / 1966
Add View all (10)
AMD Ryzen 9 3950X
DateBenchmarkResult
πŸ“˜ 2025-11-27 (Elizabeth)Cinebench 202476 / 1398
πŸ“˜ 2025-07-18 (Maki)Cinebench 202480 / 1370
Add View all (2)

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
Rival Equivalent - Intel Core i9 13900K - Intel Core i9 9900K
Successor - AMD Ryzen 9 9950X -
AMD Ryzen CPU ranking (7th and 96th place)

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 95Β°C -
Desktop CPU ranking (18th and 99th place)

iGPU

Integrated Graphics Radeon Graphics (Ryzen 7000) -
GPU Base Clock 400 MHz -
GPU Boost Clock 2200 MHz -
Shading Units 128 -
TMUs 8 -
ROPs 4 -
Execution Units 2 -
TGP 15 W -
iGPU FLOPS
Ryzen 9 7950X
0.6 TFLOPS
Ryzen 9 3950X
n/a
See: Radeon Graphics iGPU (Ryzen 7000) benchmarks

Memory Support

Memory Types - DDR5-5200 - DDR4-3200
Max. Memory Size 192 GB 128 GB
Memory Channels 2 2
Max. Memory Bandwidth 83.2 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
6 (100%)
0 (0%)
Total votes: 6

Competitors

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2. AMD Ryzen 9 7950X vs AMD Ryzen 9 7950X3D (2)
3. AMD Ryzen 9 7950X vs Intel Core i9 14900K
4. AMD Ryzen 9 7950X vs AMD Ryzen 9 5950X (5)
5. AMD Ryzen 9 7950X vs AMD Ryzen 9 7900
6. AMD Ryzen 9 7950X vs AMD Ryzen 9 9950X (5)
7. AMD Ryzen 9 7950X vs Intel Core i7 14700K (3)
8. AMD Ryzen 9 7950X vs AMD Ryzen 7 7800X3D
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Comments

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