Intel Core i9 12900KF vs AMD Ryzen 9 7950X
We compared two 16-core desktop CPUs: the 3.2 GHz Intel Core i9 12900KF against the 4.5 GHz AMD Ryzen 9 7950X. 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
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 Intel Core i9 12900KF
- Around 3.7 GB/s (5%) higher theoretical memory bandwidth
Advantages of AMD Ryzen 9 7950X
- Newer - released 10-months later
- Has 34 MB larger L3 cache size
- More modern manufacturing process – 5 versus 10 nanometers
- Includes an integrated GPU Radeon Graphics (Ryzen 7000)
- 12% higher Turbo Boost frequency (5.7 GHz vs 5.1 GHz)
- 12% faster in a single-core Geekbench v5 test - 2219 vs 1975 points
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)
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Specifications
General
| Vendor | Intel | AMD |
| Released | October 27, 2021 | August 29, 2022 |
| Type | Desktop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Alder Lake | Zen 4 (Raphael) |
| Model number | i9-12900KF | - |
| Integrated GPU | No | Radeon Graphics (Ryzen 7000) |
CPU
| P-Cores | 8 | 16 |
| P-Threads | 16 | 32 |
| Base Frequency (P) | 3.2 GHz | 4.5 GHz |
| Turbo Boost Frequency (P) | 5.1 GHz | 5.7 GHz |
| E-Cores | 8 | - |
| E-Threads | 8 | - |
| Base Frequency (E) | 2.4 GHz | - |
| Turbo Boost Frequency (E) | 3.9 GHz | - |
| Total Cores | 16 | 16 |
| Total Threads | 24 | 32 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 32x | 45x |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 14MB (shared) | 1MB (per core) |
| L3 Cache | 30MB (shared) | 64MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Transistors | - | 6.57 billions |
| Fabrication process | 10 nm | 5 nm |
| Socket | LGA-1700 | AM5 |
| TDP | 125 W | 170 W |
| Max. Boost TDP | 241 W | 230 W |
| Peak temperature | 100°C | 95°C |
iGPU
| Integrated Graphics | - | Radeon Graphics (Ryzen 7000) |
| GPU Base Clock | - | 1500 MHz |
| GPU Boost Clock | - | 2200 MHz |
| Shading Units | - | 128 |
| TMUs | - | 8 |
| ROPs | - | 4 |
| Execution Units | - | 2 |
| TGP | - | 15 W |
iGPU FLOPS
Memory Support
| Memory types | DDR5-4800, DDR4-3200 | DDR5-5200 |
| Memory Size | 128 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 76.8 GB/s | 73.1 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official site | Intel Core i9 12900KF official page | AMD Ryzen 9 7950X official page |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 20 | 28 |
Cast your vote
Total votes: 6