Intel Core i9 12900HX vs i9 12900HK
We compared two laptop CPUs: the 2.3 GHz Intel Core i9 12900HX with 16-cores against the 2.5 GHz i9 12900HK with 14-cores. 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
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Generic CPU rating
Key Differences
Advantages of Intel Core i9 12900HX
- Supports up to 128 GB DDR5-4800 RAM
- Has 6144 KB larger L3 cache size
- Newer PCI Express version – 5.0
- Has 2 more physical cores
Promotion
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench R23
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1160 MB/sec | 584.3 MB/sec |
| Clang compilation | 129.9 Klines/sec | 135.7 Klines/sec |
| HTML 5 Browser | 359.9 pages/sec | 195 pages/sec |
| PDF Renderer | 420.5 Mpixels/sec | 326.9 Mpixels/sec |
| Text processing | 252 pages/sec | 285.3 pages/sec |
| Background blur | 41.7 images/sec | 59.9 images/sec |
| Photo processing | 125 images/sec | 73.3 images/sec |
| Ray tracing | 29.8 Mpixels/sec | 30.4 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 119.2 GOps/sec | 97.9 GOps/sec |
| Floating point math | 89.3 GOps/sec | 69 GOps/sec |
| Find prime numbers | 139M Primes/sec | 115M Primes/sec |
| Random string sorting | 47.1M Strings/sec | 36.3M Strings/sec |
| Data encryption | 24.2 GBytes/sec | 19.2 GBytes/sec |
| Data compression | 422.6 MBytes/sec | 323.1 MBytes/sec |
| Physics | 2075 Frames/sec | 1876 Frames/sec |
| Extended instructions | 25.7B Matrices/sec | 19.3B Matrices/sec |
Specifications
Full technical specification of Intel Core i9 12900HX and i9 12900HKGeneral
| Vendor | Intel | Intel |
| Released | May 10, 2022 | January 4, 2022 |
| Type | Laptop | Laptop |
| instruction set | x86-64 | x86-64 |
| Codename | Alder Lake | Alder Lake |
| Model number | i9-12900HX | i9-12900HK |
| Integrated GPU | UHD Graphics (32EU) | Iris Xe Graphics (96EU) |
CPU
| P-Cores | 8 | 6 |
| P-Threads | 16 | 12 |
| Base Frequency (P) | 2.3 GHz | 2.5 GHz |
| Turbo Boost Frequency (P) | 5 GHz | 5 GHz |
| E-Cores | 8 | 8 |
| E-Threads | 8 | 8 |
| Base Frequency (E) | 1.7 GHz | 1.8 GHz |
| Turbo Boost Frequency (E) | 3.6 GHz | 3.8 GHz |
| Total Cores | 16 | 14 |
| Total Threads | 24 | 20 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 23x | 25x |
| L1 Cache | 80K (per core) | 80K (per core) |
| L2 Cache | 1280K (per core) | 1280K (per core) |
| L3 Cache | 30MB (shared) | 24MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Fabrication process | 10 nm | 10 nm |
| TDP (PL1) | 45-55 W (configurable) | 35-45 W (configurable) |
| Max. Boost TDP (PL2) | 157 W | 115 W |
| Socket | BGA-1964 | BGA-1744 |
| Peak temperature | 100°C | 100°C |
iGPU
| Integrated Graphics | Intel UHD Graphics (32EU) | Intel Iris Xe Graphics (96EU) |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1550 MHz | 1450 MHz |
| Shading Units | 256 | 768 |
| TMUs | 16 | 48 |
| ROPs | 8 | 24 |
| Execution Units | 32 | 96 |
| TGP | 45 W | 15 W |
iGPU FLOPS
Memory Support
| Memory types | - DDR5-4800 - DDR4-3200 |
- DDR5-4800 - DDR4-3200 - LPDDR5-5200 - LPDDR4x-4267 |
| Memory Size | 128 GB | 64 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 76.8 GB/s | - |
| ECC Support | No | No |
Misc
| Official site | Intel Core i9 12900HX official page | Intel Core i9 12900HK official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 20 | 28 |
Cast your vote
Total votes: 135
