Product Compare
Intel Core Ultra 7 255U vs Intel Core i7 9800X
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Jan 2025 | Oct 2018 |
| Manufacturer | Intel | Intel |
| Type | Laptop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Core Architecture | Arrow Lake | Skylake |
| Processor Number | 255U | i7-9800X |
| Integrated Graphics | Arc Graphics (4-Cores) | N/A |
| Package | ||
| Manufacturing Process | 3 nm | 14 nm |
| Socket | FCBGA-2049 | LGA-2066 |
| Power Consumption | 12-15 W | 165 W |
| Max Turbo Power Consumption | 57 W | |
| Peak Operating Temperature | 110 °C | 95 °C |
| CPU Performance | ||
| Performance Cores | 2 | 8 |
| Performance Core Threads | 4 | 16 |
| Performance Core Base Frequency | 2.0 GHz | 3.8 GHz |
| Performance Core Turbo Frequency | 5.2 GHz | 4.4 GHz |
| Efficiency Cores | 10 | |
| Efficiency Core Threads | 10 | |
| Efficiency Core Base Frequency | 1.7 GHz | |
| Efficiency Core Turbo Frequency | 4.2 GHz | |
| Total Core Count | 12 | 8 |
| Total Thread Count | 14 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 20 | 38x |
| L1 Cache | 112 K per core | 64 K per core |
| L2 Cache | 2 MB per core | 1 MB per core |
| L3 Cache | 12 MB shared | 17 MB shared |
| Unlocked Multiplier | No | Yes |
| Memory Parameters | ||
| Memory Types | LPDDR5-8400,LPDDR5x-8400,DDR5-6400 | DDR4-2666 |
| Max Memory Size | 128 GB | 128 GB |
| Max Memory Channels | 2 | 4 |
| ECC Memory Support | No | No |
| Max Memory Bandwidth | 79.47 GB/s | |
| Graphics Card Parameters | ||
| Integrated Graphics | true | |
| GPU Max Dynamic Frequency | 2100 MHz | |
| Miscellaneous | ||
| Official Website | Official Link ↗ | Official Link ↗ |
| PCIe Version | 4.0 | 3.0 |
| PCIe Lanes | 20 | 44 |
| Extended Instruction Set | SSE4.1, SSE4.2, AVX-2, AVX-512 | |
| Benchmarks | ||
| Cinebench R23 Single Core | 1803 | 1263 |
| Cinebench R23 Multi Core | 11888 | 13055 |
| Geekbench 6 Single Core | 2582 | 1314 |
| Geekbench 6 Multi Core | 10941 | 7991 |