AMD Ryzen 9 7900X vs Ryzen 7 7800X
We compared two desktop CPUs: the 4.7 GHz AMD Ryzen 9 7900X with 12-cores against the 4.5 GHz Ryzen 7 7800X with 10-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 electricity consumption
NanoReview Final Score
Generic CPU rating
Key Differences
Advantages of AMD Ryzen 9 7900X
- Has 24576 KB larger L3 cache size
- Has 2 more physical cores
- 4% higher Turbo Boost frequency (5.6 GHz vs 5.4 GHz)
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
| Vendor | AMD | AMD |
| Released | September 29, 2022 | January 10, 2023 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Zen 4 (Raphael) | Zen 4 (Raphael) |
| Integrated GPU | Radeon Graphics (Ryzen 7000) | Radeon Graphics (Ryzen 7000) |
CPU
| P-Cores | 12 | 10 |
| P-Threads | 24 | 20 |
| Base Frequency (P) | 4.7 GHz | 4.5 GHz |
| Turbo Boost Frequency (P) | 5.6 GHz | 5.4 GHz |
| Total Cores | 12 | 10 |
| Total Threads | 24 | 20 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 47x | 45x |
| L1 Cache | 64K (per core) | - |
| L2 Cache | 1MB (per core) | 1MB (per core) |
| L3 Cache | 64MB (shared) | 40MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Transistors | 13.1 billions | - |
| Fabrication process | 5 nm | 5 nm |
| Socket | AM5 | AM5 |
| TDP | 170 W | 105 W |
| Max. Boost TDP | 230 W | - |
| Peak temperature | 95°C | 95°C |
iGPU
| Integrated Graphics | Radeon Graphics (Ryzen 7000) | Radeon Graphics (Ryzen 7000) |
| GPU Base Clock | 1500 MHz | 1500 MHz |
| GPU Boost Clock | 2200 MHz | 2200 MHz |
| Shading Units | 128 | 128 |
| TMUs | 8 | 8 |
| ROPs | 4 | 4 |
| Execution Units | 2 | 2 |
| TGP | 15 W | 15 W |
iGPU FLOPS
Memory Support
| Memory types | DDR5-5200 | DDR5-5200 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 73.4 GB/s | - |
| ECC Support | Yes | - |
Misc
| Official site | AMD Ryzen 9 7900X official page | - |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 28 | 28 |
Cast your vote
Total votes: 4