Intel Core i9 12900K vs AMD Ryzen 9 5950X
We compared two 16-core desktop CPUs: the 3,2 GHz Intel Core i9 12900K against the 3.4 GHz AMD Ryzen 9 5950X. 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
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Value for money (Beta)
Key Differences
Advantages of Intel Core i9 12900K
- Around 29.12 GB/s (61%) higher theoretical memory bandwidth
- Newer PCI Express version β 5.0
- Newer - released 1 year and 1 month later
- 16% faster in a single-core Geekbench v6 test - 2633 vs 2276 points
- Includes an integrated GPU Intel UHD Graphics 770
- 4% higher Turbo Boost frequency (5.1 GHz vs 4.9 GHz)
Advantages of AMD Ryzen 9 5950X
- Has 34 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
- More modern manufacturing process β 7 versus 10 nanometers
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
| Cinebench 2026 (Single) | - | 464 |
| Cinebench 2026 (Multi) | - | 5693 |
Cinebench Scores (63rd and 76th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1260 MB/sec | 1120 MB/sec |
| Clang compilation | 146.1 Klines/sec | 147.1 Klines/sec |
| HTML 5 Browser | 414.2 pages/sec | 224.5 pages/sec |
| PDF Renderer | 480.2 Mpixels/sec | 372.1 Mpixels/sec |
| Text processing | 273.2 pages/sec | 222.5 pages/sec |
| Background blur | 69.4 images/sec | 28.4 images/sec |
| Photo processing | 147.8 images/sec | 85 images/sec |
| Ray tracing | 34.4 Mpixels/sec | 38.4 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 139.2 GOps/sec | 183.9 GOps/sec |
| Floating point math | 105.4 GOps/sec | 100.5 GOps/sec |
| Find prime numbers | 145M Primes/sec | 223M Primes/sec |
| Random string sorting | 57.1M Strings/sec | 64.9M Strings/sec |
| Data encryption | 29.5 GBytes/sec | 39.4 GBytes/sec |
| Data compression | 536.7 MBytes/sec | 622.5 MBytes/sec |
| Physics | 2203 Frames/sec | 1854 Frames/sec |
| Extended instructions | 33.6B Matrices/sec | 40.4B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 12.2 PPW | 13.9 PPW |
| Geekbench 6 Multi / Watt | 136 PPW | 121.2 PPW |
| Passmark CPU Mark / Watt | 328.9 PPW | 431 PPW |
| Blender / Watt | 2.93 PPW | 3.94 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core i9 12900K
| Date | Benchmark | Result |
|---|---|---|
| π 2025-11-12 (ElNils) | Cinebench 2024 | 114 / 1497 |
| π 2025-09-20 (Jarx) | Geekbench 6 CPU | 2811 / 18033 |
| π 2025-05-24 (unsorted) | Cinebench 2024 | 109 / 1339 |
| π 2025-04-03 (AdKraemer) | Cinebench 2024 | 113 / 1414 |
| π 2025-03-20 (Lethal) | Cinebench 2024 | 116 / 1571 |
AMD Ryzen 9 5950X
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-12 (stream pc) | Cinebench 2026 | 456 / 4979 |
| π 2026-06-30 (DDD) | Cinebench 2026 | 464 / 5693 |
| π 2025-12-04 (PhillyBass) | Geekbench 6 CPU | 2259 / 12745 |
| π 2025-12-04 (PhillyBass) | Cinebench 2024 | 99 / 1448 |
| π 2025-10-07 (C0d3M0nk3y) | Cinebench 2024 | 97 / 1451 |
Specifications
Full technical specification of Intel Core i9 12900K and AMD Ryzen 9 5950XGeneral
| Vendor | Intel | Amd |
| Released | October 27, 2021 | October 8, 2020 |
| Type | Desktop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Alder Lake | Zen 3 (Vermeer) |
| Model number | i9-12900K | - |
| Integrated GPU | UHD Graphics 770 | No |
| Rival Equivalent | - AMD Ryzen 9 5950X | - Intel Core i9 11900K |
| Successor | - Intel Core Ultra 9 285K | - AMD Ryzen 9 9950X |
Intel CPU rating (#53rd place)
AMD Ryzen CPU ranking (#51st place)
CPU
| P-Cores | 8 | 16 |
| P-Threads | 16 | 32 |
| Base Frequency (P) | 3,2 GHz | 3.4 GHz |
| Turbo Boost Frequency (P) | 5.1 GHz | 4.9 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 | 34x |
| L1 Cache | 64K (per core) | 64K (per core) |
| L2 Cache | 14MB (shared) | 512K (per core) |
| L3 Cache | 30MB (shared) | 64MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Transistors | - | 4.15 billions |
| Fabrication Process | 10 nm | 7 nm |
| TDP (PL1) | 125 W | 105 W |
| Max. Boost TDP (PL2) | 241 W | 142 W |
| Socket | LGA-1700 | AM4 |
| Peak Temperature | 100Β°C | 95Β°C |
Desktop CPU ranking (54th and 72nd place)
iGPU
| Integrated Graphics | Intel UHD Graphics 770 | - |
| GPU Base Clock | 300 MHz | - |
| GPU Boost Clock | 1550 MHz | - |
| Shading Units | 256 | - |
| TMUs | 16 | - |
| ROPs | 8 | - |
| Execution Units | 32 | - |
| TGP | 15 W | - |
iGPU FLOPS
Memory Support
| Memory Types | - DDR5-4800 - DDR4-3200 |
- DDR4-3200 |
| Max. Memory Size | 128 GB | 128 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 76.8 GB/s | 47.68 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official Site | Intel Core i9 12900K official page | AMD Ryzen 9 5950X official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 20 | 20 |
Cast your vote
Total votes: 2048