Intel Core i9 12900HX
- Cores: 16
- L3 cache: 30MB (shared)
- TDP: 45-55 W (max. boost up to 157 W)
- Transistor size: 10 nm
Core i9 12900HX - laptop processor produced by Intel for socket BGA-1964 that has 16 cores and 24 threads. The base clock frequency of the CPU is 2300 MHz, but due to Turbo Boost technology, it can perform up to 5000 MHz. The size of the L3 cache is 30 MB. Please note that this chip has integrated graphics Intel UHD Graphics (32EU).
Review
Compare Intel Core i9 12900HX with other CPUs
Test in Benchmarks
Performance test of Intel Core i9 12900HX in benchmarksCinebench
Cinebench Scores - 102nd place
GeekBench v6
| File compression | 1110 MB/sec |
| Clang compilation | 121.1 Klines/sec |
| HTML 5 Browser | 336.5 pages/sec |
| PDF Renderer | 382.4 Mpixels/sec |
| Text processing | 254 pages/sec |
| Background blur | 58.1 images/sec |
| Photo processing | 116.9 images/sec |
| Ray tracing | 29.6 Mpixels/sec |
PassMark
| Integer math | 112.6 GOps/sec |
| Floating point math | 83.7 GOps/sec |
| Find prime numbers | 132M Primes/sec |
| Random string sorting | 43.6M Strings/sec |
| Data encryption | 22.7 GBytes/sec |
| Data compression | 396.2 MBytes/sec |
| Physics | 2020 Frames/sec |
| Extended instructions | 24.1B Matrices/sec |
Blender
Performance Per Watt
| Cinebench 2024 / Watt | 23.1 PPW |
| Geekbench 6 Multi / Watt | 262.9 PPW |
| Passmark CPU Mark / Watt | 598.8 PPW |
| Blender / Watt | 5.56 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Specifications
Core i9 12900HX technical specificationsGeneral
| Vendor | Intel |
| Released | May 10, 2022 |
| Type | Laptop |
| Instruction Set | x86-64 |
| Codename | Alder Lake |
| Model number | i9-12900HX |
| Integrated GPU | UHD Graphics (32EU) |
| AMD Equivalent | - AMD Ryzen 9 6900HX |
| Successor | - Intel Core Ultra 9 285HX |
Intel CPU rating - 86th place
CPU
| P-Cores | 8 |
| P-Threads | 16 |
| Base Frequency (P) | 2.3 GHz |
| Turbo Boost Frequency (P) | 5 GHz |
| E-Cores | 8 |
| E-Threads | 8 |
| Base Frequency (E) | 1.7 GHz |
| Turbo Boost Frequency (E) | 3.6 GHz |
| Total Cores | 16 |
| Total Threads | 24 |
| Bus Frequency | 100 MHz |
| Multiplier | 23x |
| L1 Cache | 80K (per core) |
| L2 Cache | 1280K (per core) |
| L3 Cache | 30MB (shared) |
| Unlocked Multiplier | Yes |
Package
| Fabrication Process | 10 nm |
| TDP (PL1) | 45-55 W (configurable) |
| Max. Boost TDP (PL2) | 157 W |
| Socket | BGA-1964 |
| Peak Temperature | 100°C |
Laptop processors ranking - 108th place
iGPU
| Integrated Graphics | Intel UHD Graphics (32EU) |
| GPU Base Clock | 300 MHz |
| GPU Boost Clock | 1550 MHz |
| Shading Units | 256 |
| TMUs | 16 |
| ROPs | 8 |
| Execution Units | 32 |
| TGP | 15 W |
See also: Intel UHD Graphics 770 – integrated graphics of Intel Core i9 12900HX
Memory Support
| Memory Types | - DDR5-4800 - DDR4-3200 |
| Max. Memory Size | 128 GB |
| Memory Channels | 2 |
| Max. Memory Bandwidth | 76.8 GB/s |
| ECC Support | No |
Misc
| Official Site | Intel Core i9 12900HX official page |
| PCI Express Version | 5.0 |
| PCI Express Lanes | 20 |
| Technologies | - Compute: ABM, ADX, BMI1, BMI2, CLMUL, F16C, SHA
- Performance: EIST, TBT 2.0, TBT 3.0, TSX
- Virtualization: VT-d, VT-x
- Security: RDRAND, TXT, XD bit |