Intel Core i9 12900H vs i7 12800HX
We compared two laptop CPUs: the 2.5 GHz Intel Core i9 12900H with 14-cores against the 2.0 GHz i7 12800HX with 16-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 12900H
- 4% higher Turbo Boost frequency (5 GHz vs 4.8 GHz)
Advantages of Intel Core i7 12800HX
- Unlocked multiplier
- Supports up to 128 GB DDR5-4800 RAM
- Newer PCI Express version – 5.0
- Has 2 more physical cores
- 10% faster in a single-core Geekbench v6 test - 2476 vs 2260 points
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 | 763.2 MB/sec | 1070 MB/sec |
| Clang compilation | 79.6 Klines/sec | 121.6 Klines/sec |
| HTML 5 Browser | 225.2 pages/sec | 358.2 pages/sec |
| PDF Renderer | 309.3 Mpixels/sec | 408.4 Mpixels/sec |
| Text processing | 210 pages/sec | 247.6 pages/sec |
| Background blur | 30.9 images/sec | 57.1 images/sec |
| Photo processing | 76.3 images/sec | 118 images/sec |
| Ray tracing | 17.6 Mpixels/sec | 29.2 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 98.2 GOps/sec | 114.4 GOps/sec |
| Floating point math | 71.2 GOps/sec | 86 GOps/sec |
| Find prime numbers | 111M Primes/sec | 113M Primes/sec |
| Random string sorting | 37.4M Strings/sec | 45M Strings/sec |
| Data encryption | 19.6 GBytes/sec | 23 GBytes/sec |
| Data compression | 333.7 MBytes/sec | 408.8 MBytes/sec |
| Physics | 1812 Frames/sec | 1807 Frames/sec |
| Extended instructions | 19.9B Matrices/sec | 25.2B Matrices/sec |
Specifications
Full technical specification of Intel Core i9 12900H and i7 12800HXGeneral
| Vendor | Intel | Intel |
| Released | January 4, 2022 | May 10, 2022 |
| Type | Laptop | Laptop |
| instruction set | x86-64 | x86-64 |
| Codename | Alder Lake | Alder Lake |
| Model number | i9-12900H | i7-12800HX |
| Integrated GPU | Iris Xe Graphics (96EU) | UHD Graphics (32EU) |
CPU
| P-Cores | 6 | 8 |
| P-Threads | 12 | 16 |
| Base Frequency (P) | 2.5 GHz | 2.0 GHz |
| Turbo Boost Frequency (P) | 5 GHz | 4.8 GHz |
| E-Cores | 8 | 8 |
| E-Threads | 8 | 8 |
| Base Frequency (E) | 1.8 GHz | 1.5 GHz |
| Turbo Boost Frequency (E) | 3.8 GHz | 3.4 GHz |
| Total Cores | 14 | 16 |
| Total Threads | 20 | 24 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 25x | 20x |
| L1 Cache | 80K (per core) | 80K (per core) |
| L2 Cache | 1280K (per core) | 1280K (per core) |
| L3 Cache | 24MB (shared) | 25MB (shared) |
| Unlocked Multiplier | No | Yes |
Package
| Fabrication process | 10 nm | 10 nm |
| TDP (PL1) | 35-45 W (configurable) | 45-55 W (configurable) |
| Max. Boost TDP (PL2) | 115 W | 157 W |
| Socket | BGA-1744 | BGA-1964 |
| Peak temperature | 100°C | 100°C |
iGPU
| Integrated Graphics | Intel Iris Xe Graphics (96EU) | Intel UHD Graphics (32EU) |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1450 MHz | 1450 MHz |
| Shading Units | 768 | 256 |
| TMUs | 48 | 16 |
| ROPs | 24 | 8 |
| Execution Units | 96 | 32 |
| TGP | 15 W | 45 W |
iGPU FLOPS
Memory Support
| Memory types | - DDR5-4800 - DDR4-3200 - LPDDR5-5200 - LPDDR4x-4267 |
- DDR5-4800 - DDR4-3200 |
| Memory Size | 64 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | - | 76.8 GB/s |
| ECC Support | No | No |
Misc
| Official site | Intel Core i9 12900H official page | Intel Core i7 12800HX official page |
| PCI Express Version | 4.0 | 5.0 |
| PCI Express Lanes | 28 | 20 |
Cast your vote
Total votes: 64