Intel Core i7 1255U vs Intel Core i7 1260P
The Intel Core i7 1255U and i7 1260P are both 12th-generation Intel Core processors, but they are optimized for different purposes. The i7 1255U is a low-power processor that is ideal for thin and light laptops and devices that need long battery life. It has lower clock speeds and fewer cores, but it also has a lower power draw. The i7 1260P is a high-performance processor that is ideal for gaming laptops and devices that need a lot of power. It has higher clock speeds and more cores, but it also has a higher power draw. Ultimately, the best processor for you will depend on your individual needs and budget.
i7 1255U
Pros: Low power consumption, low heat generation, long battery life
Cons: Performance is not as good as i7 1260P
i7 1260P
Pros: Strong performance, stronger multi-core performance
Cons: High power consumption, high heat generation, short battery life
Core parameters
| Release Date | January 4, 2022 | January 4, 2022 |
| Applicable Type | Laptop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Processor Number | i7-1255U | i7-1260P |
| Integrated Graphics | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
CPU Performance
| CPU Architecture | Alder Lake | Alder Lake |
| Manufacturing Process | 10nm Enhanced SuperFin | 10nm Enhanced SuperFin |
| Number of Cores/Threads | 10 cores / 12 threads | 12 cores / 16 threads |
| Base Frequency | 1.2 GHz | 2.1 GHz |
| Maximum Turbo Frequency | 4.7 GHz | 4.7 GHz |
| L3 Cache | 12 MB | 18 MB |
| TDP | 15W | 28W |
Memory Parameters
| Memory Type | DDR4 | DDR4/LPDDR5 |
| Maximum Capacity | 64 GB | 64 GB |
| Number of Memory Channels | 2 | 2 |
Package
| Package Type | BGA 1700 | BGA 1700 |
| Dimensions | 28mm x 28mm | 28mm x 28mm |
Graphics Card Parameters
| Graphics Model | Intel Iris Xe Graphics | Intel Iris Xe Graphics |
| Execution Units | 96 | 96 |
| Maximum Dynamic Frequency | 1.35 GHz | 1.45 GHz |
| Supported Memory Types | LPDDR4x/DDR4 | LPDDR4x/DDR4 |
| Supported Video Outputs | HDMI 2.0b, DisplayPort 1.4a | HDMI 2.0b, DisplayPort 1.4a |
Miscellaneous
| Supported Instruction Sets | SSE4.1, SSE4.2, AVX, AVX2, AVX-512, FMA3 | SSE4.1, SSE4.2, AVX, AVX2, AVX-512, FMA3 |
| Supported Technologies | Intel Turbo Boost Max Technology 3.0, Intel Hyper-Threading Technology, Intel VT-d, Intel VT-x, Intel Boot Guard | Intel Turbo Boost Max Technology 3.0, Intel Hyper-Threading Technology, Intel VT-d, Intel VT-x, Intel Boot Guard |
Benchmark Comparison
The Intel Core i7-1255U and i7-1260P are both high-performance, low-power processors designed for thin and light laptops. Both processors use the Alder Lake architecture, but the i7-1260P has improvements in terms of core count, thread count, base frequency, and TDP.
Benchmark Tests
CPU-Z
| Test Item | i7-1255U | i7-1260P |
| Single-Core Performance | 664 | 729 |
| Multi-Core Performance | 5021 | 5892 |
Geekbench 5
| Test Item | i7-1255U | i7-1260P |
| Single-Core Performance | 1791 | 1877 |
| Multi-Core Performance | 8254 | 9143 |
PassMark CPU Mark
| Test Item | i7-1255U | i7-1260P |
| Single-Core Performance | 2444 | 2635 |
| Multi-Core Performance | 14877 | 16845 |
Cinebench R23
| Test Item | i7-1255U | i7-1260P |
| Single-Core Performance | 1534 | 1612 |
| Multi-Core Performance | 10124 | 11385 |
Conclusion
From the benchmark results, the i7-1260P outperforms the i7-1255U in both single-core and multi-core performance. Specifically, the single-core performance of the i7-1260P is improved by about 4%-9%, and the multi-core performance is improved by about 10%-15%.