Intel · Alder Lake
Intel Core i9-12900K: specs, benchmarks and comparison
- 16 cores / 24 threads
- up to 5.2 GHz
- LGA1700
- Render rank
- 24 of 89
- among models tested in Blender Benchmark 4.5.0 · 50% of the leader
- Launch price
- $589
- MSRP, US
- Release
- 2021
- Base power
- 125 W
Performance
Rank among models tested in the same benchmark on the same render backend.
Blender Benchmark 4.5.0
CPU, sum of scenes monster + junkshop + classroom
356 samples/min
higher is better
Nearest models in this benchmark
Median of 65 runs · Blender Open Data (Blender Foundation) · November 14, 2026
Other benchmark versions (18)
| Benchmark | Result | Rank |
|---|---|---|
| Blender Benchmark 5.3.0 | 364 samples/min · small sample | — |
| Blender Benchmark 5.2.0 | 341 samples/min · small sample | — |
| Blender Benchmark 5.1.1 | 376 samples/min · small sample | — |
| Blender Benchmark 5.1.0 | 365 samples/min · small sample | — |
| Blender Benchmark 5.0.0 | 347 samples/min · small sample | — |
| Blender Benchmark 4.4.0 | 335 samples/min | 22 of 72 |
| Blender Benchmark 4.3.0 | 331 samples/min | 26 of 80 |
| Blender Benchmark 4.2.0 | 350 samples/min | 22 of 84 |
| Blender Benchmark 4.1.0 | 342 samples/min | 13 of 52 |
| Blender Benchmark 4.0.0 | 347 samples/min | 16 of 65 |
| Blender Benchmark 3.6.0 | 346 samples/min | 13 of 52 |
| Blender Benchmark 3.5.0 | 361 samples/min | 10 of 40 |
| Blender Benchmark 3.4.0 | 370 samples/min | 8 of 36 |
| Blender Benchmark 3.3.0 | 392 samples/min | 7 of 29 |
| Blender Benchmark 3.2.1 | 374 samples/min | 3 of 19 |
| Blender Benchmark 3.2.0 | 363 samples/min · small sample | — |
| Blender Benchmark 3.1.0 | 368 samples/min | 3 of 19 |
| Blender Benchmark 3.0.1 | 390 samples/min | 2 of 8 |
Each benchmark version has its own scale; results from different versions are not compared.
Specifications
Cores and clocks
- Cores
- 16 (8P + 8E)
- Threads
- 24
- Base clock
- 3.2 GHz
- Max clock (Boost/Turbo)
- 5.2 GHz
Cache
- L2 cache
- 14 MB
- L3 cache
- 30 MB
Platform
- Socket
- LGA1700
- Process node
- Intel 7
Memory and interfaces
- Memory type
- DDR4, DDR5
- Memory channels
- 2
- Official memory speed
- 4,800 MT/s
- Max memory capacity
- 128 GB
- PCI Express
- PCIe 5.0 and 4.0, 20 lanes
- Integrated graphics
- Intel UHD Graphics 770
Power
- Processor Base Power (Intel)
- 125 W
- Maximum Turbo Power (Intel)
- 241 W
Checked against the manufacturer’s official page on 2026-11-08. Fields missing from the page are left empty (unknown). Intel lists the release quarter: Q4'21. Memory speed: DDR5-4800 / DDR4-3200.
Specifications: Intel, checked November 8, 2026. Launch price: Wikipedia (CC BY-SA 4.0).
Other LGA1700 CPUs
Same socket, so you can compare without changing the platform. Check support on a specific board in the board maker’s list.