amd ryzen 9 3900x vs amd ryzen 7 5800x3d
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We compared two CPUs AMD Ryzen 9 3900X (Desktop) 12-cores against AMD Ryzen 7 5800X3D (Desktop) 8-cores. In this comparison page, we check which of these two processor has better performance in benchmark results, Games, architecture, price and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved
Key Differences
Advantages of AMD Ryzen 9 3900X
- Has 4 more physical cores
- 2% higher Turbo Boost frequency (4.6 GHz vs 4.5 GHz)
Advantages of AMD Ryzen 7 5800X3D
- Newer released 3 years later
- Consumes up to 16% less energy than the AMD Ryzen 9 3900X – 105 vs 125 Watt
- Has 32 MB larger L3 cache size
Benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Specifications
General
| AMD Ryzen 9 3900X | AMD Ryzen 7 5800X3D | |
| Vendor | AMD | AMD |
| Released | July 7 2019 | April 20 2022 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Matisse | Vermeer |
| Socket | AM4 | AM4 |
| Integrated GPU | - |
Performance
| AMD Ryzen 9 3900X | AMD Ryzen 7 5800X3D | |
| Cores | 12 | 8 |
| Threads | 24 | 16 |
| Base Frequency | 3.8 GHz | 3.4 GHz |
| Turbo Boost Frequency | 4.6 GHz | 4.5 GHz |
| L1 Cache | 96K (per core) | 64K (per core) |
| L2 Cache | 512K (per core) | 512K (per core) |
| L3 Cache | 64 MB | 96 MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Power
| AMD Ryzen 9 3900X | AMD Ryzen 7 5800X3D | |
| Fabrication process | 7 nm | 7 nm |
| Power consumption (TDP) | 125 W | 105 W |
| Max. temperature | 95°C | °C |
Memory support
| AMD Ryzen 9 3900X | AMD Ryzen 7 5800X3D | |
| Memory types | DDR4 Dual-channel | DDR4-3200 |
| Memory Size | 128 GB | GB |
| Max. Memory Channels | 2 | |
| Max. Memory Bandwidth | 51.196 GB/s | - |
| ECC Support | No | No |
iGPU
| AMD Ryzen 9 3900X | AMD Ryzen 7 5800X3D | |
| Integrated Graphics | - |
Misc
| AMD Ryzen 9 3900X | AMD Ryzen 7 5800X3D | |
| Official site | AMD Ryzen 9 3900X official page | AMD Ryzen 7 5800X3D official page |
| PCI Express Version | 4 | |
| PCI Express Lanes |