AMD Ryzen 9 3950X vs Ryzen 7 5800X3D
We compared two desktop CPUs: the 3.5 GHz AMD Ryzen 9 3950X with 16-cores against the 3.4 GHz Ryzen 7 5800X3D with 8-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
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
Advantages of AMD Ryzen 9 3950X
- Has 8 more physical cores
- Unlocked multiplier
- 4% higher Turbo Boost frequency (4.7 GHz vs 4.5 GHz)
Advantages of AMD Ryzen 7 5800X3D
- Newer - released 2-years and 4-months later
- Has 32768 KB larger L3 cache size
- 21% faster in a single-core Geekbench v6 test - 2132 vs 1768 points
Promotion
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench R23
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 997.1 MB/sec | 1170 MB/sec |
| Clang compilation | 125.5 Klines/sec | 83.4 Klines/sec |
| HTML 5 Browser | 231.5 pages/sec | 230.4 pages/sec |
| PDF Renderer | 317.4 Mpixels/sec | 319 Mpixels/sec |
| Text processing | 143.7 pages/sec | 208.1 pages/sec |
| Background blur | 39.3 images/sec | 55.4 images/sec |
| Photo processing | 84.3 images/sec | 77.6 images/sec |
| Ray tracing | 31.8 Mpixels/sec | 20.6 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 133.8 GOps/sec | 89.5 GOps/sec |
| Floating point math | 78.1 GOps/sec | 49.9 GOps/sec |
| Find prime numbers | 186M Primes/sec | 205M Primes/sec |
| Random string sorting | 64.2M Strings/sec | 34.4M Strings/sec |
| Data encryption | 38.1 GBytes/sec | 20.2 GBytes/sec |
| Data compression | 588.4 MBytes/sec | 328.3 MBytes/sec |
| Physics | 1655 Frames/sec | 2880 Frames/sec |
| Extended instructions | 36.7B Matrices/sec | 22.2B Matrices/sec |
Value for money
Enter the current prices of the CPUs and click "Calculate" to determine which one has a better value-to-performance ratio.
Specifications
Full technical specification of AMD Ryzen 9 3950X and Ryzen 7 5800X3DGeneral
| Vendor | AMD | AMD |
| Released | November 25, 2019 | March 15, 2022 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | - | Zen 3 (Vermeer) |
| Integrated GPU | No | No |
CPU
| P-Cores | 16 | 8 |
| P-Threads | 32 | 16 |
| Base Frequency (P) | 3.5 GHz | 3.4 GHz |
| Turbo Boost Frequency (P) | 4.7 GHz | 4.5 GHz |
| Total Cores | 16 | 8 |
| Total Threads | 32 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 35x | 34x |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 512K (per core) | 512K (per core) |
| L3 Cache | 64MB (shared) | 96MB (shared) |
| Unlocked Multiplier | Yes | No |
Package
| Transistors | 3.8 billions | - |
| Fabrication process | 7 nm | 7 nm |
| TDP (PL1) | 105 W | 105 W |
| Socket | AM4 | AM4 |
| Peak temperature | - | 90°C |
Memory Support
| Memory types | - DDR4-3200 | - DDR4-3200 - DDR4-2933 - DDR4-2667 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 47.68 GB/s | 47.68 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official site | AMD Ryzen 9 3950X official page | AMD Ryzen 7 5800X3D official page |
| PCI Express Version | 4.0 | 4.0 |
| PCI Express Lanes | 16 | 20 |
Cast your vote
Total votes: 27