intel core i9 12900h vs intel core i5 12600k
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We compared two CPUs Intel Core i9 12900H (Laptop) 14-cores against Intel Core i5 12600K (Desktop) 10-cores. In this comparison page, we check which of these two processor has better performance in benchmark results, Games, architecture, price and other useful information.
Review
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved
Key Differences
Advantages of Intel Core i9 12900H
- Newer released 1 years later
- Has 4 more physical cores
- Consumes up to 64% less energy than the Intel Core i5 12600K – 45 vs 125 Watt
- Has 4 MB larger L3 cache size
- 2% higher Turbo Boost frequency (5 GHz vs 4.9 GHz)
Advantages of Intel Core i5 12600K
- Supports up to 128 GB DDR5 RAM
- Unlocked multiplier
Benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
Specifications
General
| Intel Core i9 12900H | Intel Core i5 12600K | |
| Vendor | Intel | Intel |
| Released | January 4 2022 | November 5 2021 |
| Type | Laptop | Desktop |
| instruction set | x86-64 | x86-64 |
| Codename | Alder Lake-H | Alder Lake-S |
| Socket | FCBGA1744 | FCLGA1700 |
| Integrated GPU | Intel® Iris® Xe Graphics eligible | Intel UHD Graphics 770 |
Performance
| Intel Core i9 12900H | Intel Core i5 12600K | |
| Cores | 14 | 10 |
| Threads | 20 | 16 |
| Base Frequency | 2.5 GHz | 3.7 GHz |
| Turbo Boost Frequency | 5 GHz | 4.9 GHz |
| L1 Cache | 80K (per core) | 80K (per core) |
| L2 Cache | 1.25 MB (per core) | 1.25 MB (per core) |
| L3 Cache | 24 MB (shared) | 20 MB (shared) |
| Unlocked Multiplier | No | Yes |
Power
| Intel Core i9 12900H | Intel Core i5 12600K | |
| Fabrication process | Intel 7 nm | Intel 7 nm |
| Power consumption (TDP) | 45 W | 125 W |
| Max. temperature | 100°C | 100°C |
Memory support
| Intel Core i9 12900H | Intel Core i5 12600K | |
| Memory types | DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267 | DDR5, DDR4 |
| Memory Size | 64 GB | 128 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | - | 76.8 GB/s |
| ECC Support | No | Yes |
iGPU
| Intel Core i9 12900H | Intel Core i5 12600K | |
| Integrated Graphics | Intel® Iris® Xe Graphics eligible | Intel UHD Graphics 770 |
| GPU Base Clock | 300 MHz | 300 MHz |
| GPU Boost Clock | 1.45 MHz | 1.45 MHz |
| Shading Units | 768 | 256 |
| TMUs | 48 | 16 |
| ROPs | 24 | 8 |
| Execution Units | 96 | 32 |
| TGP | 15 W | 15 W |
iGPU FLOPS
Misc
| Intel Core i9 12900H | Intel Core i5 12600K | |
| Official site | Intel Core i9 12900H official page | Intel Core i5 12600K official page |
| PCI Express Version | 4 | |
| PCI Express Lanes | 28 | 20 |