Intel Core i7 1255U vs AMD Ryzen 5 6600H
We compared two laptop CPUs: the 1.7 GHz Intel Core i7 1255U with 10-cores against the 3.3 GHz AMD Ryzen 5 6600H with 6-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
Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating
Key Differences
Advantages of Intel Core i7 1255U
- Has 4 more physical cores
- 13% faster in a single-core Geekbench v5 test - 1639 vs 1446 points
- 4% higher Turbo Boost frequency (4.7 GHz vs 4.5 GHz)
Advantages of AMD Ryzen 5 6600H
- More modern manufacturing process – 6 versus 10 nanometers
- Has 4 MB larger L3 cache size
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)
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Specifications
General
| Vendor | Intel | AMD |
| Released | February 23, 2022 | January 4, 2022 |
| Type | Laptop | Laptop |
| instruction set | x86-64 | x86-64 |
| Codename | Alder Lake | Zen 3+ (Rembrandt) |
| Model number | i7-1255U | - |
| Integrated GPU | Iris Xe Graphics (96EU) | Radeon 660M |
CPU
| P-Cores | 2 | 6 |
| P-Threads | 4 | 12 |
| Base Frequency (P) | 1.7 GHz | 3.3 GHz |
| Turbo Boost Frequency (P) | 4.7 GHz | 4.5 GHz |
| E-Cores | 8 | - |
| E-Threads | 8 | - |
| Base Frequency (E) | 1.2 GHz | - |
| Turbo Boost Frequency (E) | 3.5 GHz | - |
| Total Cores | 10 | 6 |
| Total Threads | 12 | 12 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 17x | 33x |
| L1 Cache | 80K (per core) | 64K (per core) |
| L2 Cache | 1280K (per core) | 512K (per core) |
| L3 Cache | 12MB (shared) | 16MB (shared) |
| Unlocked Multiplier | No | No |
Package
| Fabrication process | 10 nm | 6 nm |
| Socket | BGA-1744 | FP7 |
| TDP | 12-15 W (configurable) | 45 W |
| Max. Boost TDP | 55 W | - |
| Peak temperature | 100°C | 95°C |
iGPU
| Integrated Graphics | Intel Iris Xe Graphics (96EU) | AMD Radeon 660M |
| GPU Base Clock | 300 MHz | 1500 MHz |
| GPU Boost Clock | 1250 MHz | 1900 MHz |
| Shading Units | 768 | 384 |
| TMUs | 48 | 24 |
| ROPs | 24 | 16 |
| Execution Units | 96 | 6 |
| TGP | 15 W | 15 W |
iGPU FLOPS
Memory Support
| Memory types | DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267 | DDR5-4800, LPDDR5-6400 |
| Memory Size | 64 GB | 64 GB |
| Max. Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | - | 76.8 GB/s |
| ECC Support | No | No |
Misc
| Official site | Intel Core i7 1255U official page | AMD Ryzen 5 6600H official page |
| PCI Express Version | 4.0 | 4.0 |
| PCI Express Lanes | 20 | 20 |
Cast your vote
Total votes: 17