Intel Core i9 12900K
- Brand: Intel
- Architecture: x86-64
- Codename: Alder Lake
- Form Factor: PC use
- Announced: October, 27, 2021
Review
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
Benchmark Tests
Performance comparison across tasks for Intel Core i9 12900KBenchmarks
| Integer Math | 139.2 GOps/s |
| Floating-Point Math | 105.7 GOps/s |
| Prime Number Search | 148 M primes/s |
| Random String Sort | 57.1 M strings/s |
| Data Encryption | 29.7 GB/s |
| Data Compression | 538.6 MB/s |
| Physics | 2237 frames/s |
| Extended Instructions | 337 M matrices/s |
| File Compression | 1260 MB/s |
| Clang Compilation | 146.1 KLines/s |
| HTML5 Browser | 414.2 pages/s |
| PDF Rendering | 480.2 MP/sec |
| Text Processing | 273.2 pages/s |
| Background Blur | 69.4 frames/s |
| Photo Processing | 147.8 frames/s |
| Ray Tracing | 34.4 MP/sec |
Blender
Performance/Watt
| Geekbench 6 Multi / W | 136 PPW | |
| PassMark CPU / W | 330.6 PPW | |
| Cinebench 2024 / W | 13.1 PPW | |
| Blender / W | 2.93 PPW | |
Tech Specs
Specs & test comparisonGeneral Info
| Manufacturer | Intel | |
| Announced | October, 27, 2021 | |
| Type | PC use | |
| Architecture | x86-64 | |
| Codename | Alder Lake | |
| Model number | i9-12900K | |
| Integrated GPU | UHD Graphics 770 | |
Processor
| Cores | 8 | |
| Threads | 16 | |
| Frequency | 2-3 GHz | |
| Max Frequency (Turbo) | 5.1 GHz | |
| Cores | 8 |
| Threads | 8 |
| Frequency | 2.4 GHz |
| Max Frequency (Turbo) | 3.9 GHz |
| Cores count | 16 |
| Threads count | 24 |
| Bus frequency | 100 MHz |
| Multiplier | 32x |
| L1 cache | 64 KB/core |
| L2 cache | 14 KB/core |
| L3 Cache | 30 MB total |
| Unlocked multiplier | Yes |
Package
| Process tech. | 10 nm | |
| Power (TDP) | 125 W | |
| Max TDP (Boost) | 241 W | |
| Socket | LGA-1700 | |
| Critical temp. | 100 °C | |
Memory Support
| Memory Type | - DDR5-4800 - DDR4-3200 |
|
| Max Size | 128 GB | |
| Channels | 2 | |
| ECC support | Yes | |
| Max memory bandwidth | 76.8 GB | |
Other
| PCIe Version | 5.0 | |
| Max PCIe Lanes | 20 | |
User Rating
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