AMD Ryzen 9 7900
- Cores: 12
- L3 cache: 64MB (shared)
- TDP: 65 W (max. boost up to 142 W)
- Transistor size: 5 nm
Ryzen 9 7900 - desktop processor produced by Amd for socket AM5 that has 12 cores and 24 threads. The base clock frequency of the CPU is 3700 MHz, but due to Turbo Core technology, it can perform up to 5400 MHz. The size of the L3 cache is 64 MB. Please note that this chip has integrated graphics Radeon Graphics (Ryzen 7000).
Review
Compare AMD Ryzen 9 7900 with other CPUs
Test in Benchmarks
Performance test of AMD Ryzen 9 7900 in benchmarksCinebench
Cinebench Scores - 54th place
GeekBench v6
| File compression | 1690 MB/sec |
| Clang compilation | 149.9 Klines/sec |
| HTML 5 Browser | 341.4 pages/sec |
| PDF Renderer | 481.5 Mpixels/sec |
| Text processing | 299.8 pages/sec |
| Background blur | 70.3 images/sec |
| Photo processing | 119.8 images/sec |
| Ray tracing | 31 Mpixels/sec |
PassMark
| Integer math | 162.4 GOps/sec |
| Floating point math | 97.2 GOps/sec |
| Find prime numbers | 378M Primes/sec |
| Random string sorting | 68.5M Strings/sec |
| Data encryption | 34.4 GBytes/sec |
| Data compression | 573.4 MBytes/sec |
| Physics | 3027 Frames/sec |
| Extended instructions | 41.9B Matrices/sec |
Blender
Performance Per Watt
| Cinebench 2024 / Watt | 25.5 PPW |
| Geekbench 6 Multi / Watt | 267.7 PPW |
| Passmark CPU Mark / Watt | 739 PPW |
| Blender / Watt | 6.11 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
| Date | Benchmark | Result |
|---|---|---|
| 📘 2025-03-17 (A_Nobody) | Cinebench 2024 | 120 / 1657 |
Specifications
Ryzen 9 7900 technical specificationsGeneral
| Vendor | Amd |
| Released | January 10, 2023 |
| Type | Desktop |
| Instruction Set | x86-64 |
| Codename | Zen 4 (Raphael) |
| Integrated GPU | Radeon Graphics (Ryzen 7000) |
| Intel Equivalent | - Intel Core i9 13900 |
AMD Ryzen CPU ranking - 20th place
CPU
| P-Cores | 12 |
| P-Threads | 24 |
| Base Frequency (P) | 3.7 GHz |
| Turbo Boost Frequency (P) | 5.4 GHz |
| Total Cores | 12 |
| Total Threads | 24 |
| Bus Frequency | 100 MHz |
| Multiplier | 37x |
| L1 Cache | 64K (per core) |
| L2 Cache | 1MB (per core) |
| L3 Cache | 64MB (shared) |
| Unlocked Multiplier | Yes |
Package
| Transistors | 13.1 billions |
| Fabrication Process | 5 nm |
| TDP (PL1) | 65 W |
| Max. Boost TDP (PL2) | 142 W |
| Socket | AM5 |
| Peak Temperature | 95°C |
Desktop CPU ranking - 38th 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 |
See also: Radeon Graphics iGPU (Ryzen 7000) – integrated graphics of AMD Ryzen 9 7900
Memory Support
| Memory Types | - DDR5-5200 |
| Max. Memory Size | 128 GB |
| Memory Channels | 2 |
| ECC Support | Yes |
Misc
| Official Site | AMD Ryzen 9 7900 official page |
| PCI Express Version | 5.0 |
| PCI Express Lanes | 28 |
| Technologies | - Compute: AVX-512, BMI1, BMI2, F16C, SHA
- Performance: Precision Boost 2, SMT
- Virtualization: AMD-V
- Security: EVP, SMAP, SMEP |