Intel Core Ultra 7 255U
vs
Intel Core i7-1355U
The Intel Core Ultra 7 255U is a Intel laptop processor from the Intel Core Ultra lineup, built on the Arrow Lake architecture and released in 2025. This CPU features 12 cores, a base clock of 2000 MHz, maximum turbo frequency of 5200 MHz and 12 MB of L3 cache. The Intel Core Ultra 7 255U is designed for the FCBGA2049 socket. It includes integrated Intel® Graphics graphics.
The Intel Core i7-1355U is a Intel laptop processor from the Intel Core lineup, built on the Raptor Lake architecture and released in 2023. This CPU features 10 cores, a base clock of 0 MHz, maximum turbo frequency of 5000 MHz and 12 MB of L3 cache. Manufactured using 10 nm process technology. The Intel Core i7-1355U is designed for the FCBGA1744 socket. It includes integrated Intel® Iris® Xe Graphics eligible graphics.
Ranking
Popularity is the current popularity of the cpu. Performance is based on Blender Benchmark with 100 being best. Blender Score represents performance value per $.
| Intel Core Ultra 7 255U | Intel Core i7-1355U | |
|---|---|---|
| Popularity (0-100) | 51% | 85% |
| Performance (0-100) | 47% | |
| Blender Score / $1 |
Info
Basic info about the cpu.
| Intel Core Ultra 7 255U | Intel Core i7-1355U | |
|---|---|---|
| Type | Laptop | Laptop |
| Cores | 12 | 10 |
| Threads | 14 | 12 |
| Speed | 2 GHz | 0 GHz |
| Turbo | 5.2 GHz | 5 GHz |
| Current Price | ||
| Release Price | ||
| Release Date | 2025 | 2023 |
| GPU | Intel® Graphics | Intel® Iris® Xe Graphics eligible |
| Socket | FCBGA2049 | FCBGA1744 |
| L3 | 12 MB | 12 MB |
| Base TDP | 15 W | 15 W |
| Max TDP | ||
| Nm | 10 nm | |
| Unlocked | - | - |
| Official Site | Visit | Visit |
Benchmark
We use Blender Benchmark which measures multi core cpu performance under load.
Ranking 100% is highest performance among all ranked processors.
| Intel Core Ultra 7 255U | Intel Core i7-1355U | |
|---|---|---|
| Blender Score | - | 86.6 |
| Top % Ranking | - | 47 % |
| Blender Score / $1 | ||
| Samples | - | 59 |
Details
| Intel Core Ultra 7 255U | Intel Core i7-1355U | |
|---|---|---|
| Class | Intel Core Ultra | Intel Core |
| Code Name | Arrow Lake | Raptor Lake |
| Performance Cores | 2 | 2 |
| Efficiency Cores | 8 | 8 |
| Memory Type | DDR5 | DDR5 |
| Max Memory | 128 MB | 96 MB |
| Bits | 64-bit | 64-bit |
| tjMax | ||
| L1 Cache | ||
| L2 Cache |
Similar CPUs
| Intel Core i5-13420H | 8 x 0 GHz | |
| Intel Core i5-1235U | 10 x 0 GHz | |
| Intel Core i7-13620H | 10 x 0 GHz | |
| Intel Core i7-14650HX | 16 x 2.2 GHz | |
| Intel Core i7-12700H | 14 x 0 GHz | |
| Intel Core i5-12450H | 8 x 0 GHz | |
| Intel Core i5-1334U | 10 x 0 GHz | |
| AMD Ryzen AI 7 350 | 8 x 2 GHz | |
| Intel Core i3-N305 | 8 x 0 GHz | |
| Intel Core Ultra 7 255H | 16 x 2 GHz |
Similar CPUs by Performance
| Intel Core 5 120U | 85.7 | 10 x 1.4 GHz | |
| AMD Ryzen 5 7430U | 84.1 | 6 x 2.3 GHz | |
| Intel Core i7-9750H | 94.4 | 6 x 2.6 GHz | |
| Intel Core Ultra 7 155U | 94.9 | 12 x 1.7 GHz | |
| Intel Core i7-10750H | 87.5 | 6 x 2.6 GHz | |
| Intel Core Ultra 5 125U | 91.1 | 12 x 1.3 GHz | |
| Intel Core 7 150U | 84.7 | 10 x 1.8 GHz | |
| AMD Ryzen 5 5625U | 95.3 | 6 x 2.3 GHz | |
| Intel Core i5-1345U | 85.4 | 10 x 0 GHz | |
| Intel Core i5-1245U | 95.5 | 10 x 0 GHz |