Product Compare
Intel Core i5 6400 vs Intel Core Ultra 7 255H
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Sep 2015 | Jan 2025 |
| Manufacturer | Intel | Intel |
| Type | Desktop | Laptop |
| Instruction Set | x86-64 | x86-64 |
| Core Architecture | Skylake | Arrow Lake |
| Processor Number | i5-6400 | 255H |
| Integrated Graphics | HD Graphics 530 | Arc Graphics 140T |
| Package | ||
| Manufacturing Process | 14 nm | 3 nm |
| Socket | LGA-1151 | FCBGA-2049 |
| Power Consumption | 65 W | 20-28 W |
| Max Turbo Power Consumption | 115 W | |
| Peak Operating Temperature | 110 °C | |
| CPU Performance | ||
| Performance Cores | 4 | 6 |
| Performance Core Threads | 4 | 6 |
| Performance Core Base Frequency | 2.7 GHz | 2.0 GHz |
| Performance Core Turbo Frequency | 3.3 GHz | 5.1 GHz |
| Total Core Count | 4 | 16 |
| Total Thread Count | 4 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 27x | 20 |
| L1 Cache | 64 K per core | 112 K per core |
| L2 Cache | 256 K per core | 2 MB per core |
| L3 Cache | 6 MB shared | 24 MB shared |
| Unlocked Multiplier | No | No |
| Efficiency Cores | 10 | |
| Efficiency Core Threads | 10 | |
| Efficiency Core Base Frequency | 1.5 GHz | |
| Efficiency Core Turbo Frequency | 4.4 GHz | |
| Memory Parameters | ||
| Memory Types | DDR4-2133, DDR3L-1600 | LPDDR5-8400,LPDDR5x-8400,DDR5-6400 |
| Max Memory Size | 64 GB | 128 GB |
| Max Memory Channels | 2 | 2 |
| Max Memory Bandwidth | 34.1 GB/s | |
| ECC Memory Support | No | No |
| Graphics Card Parameters | ||
| Integrated Graphics | true | true |
| GPU Max Dynamic Frequency | 950 MHz | 2250 MHz |
| Miscellaneous | ||
| Official Website | Official Link ↗ | Official Link ↗ |
| PCIe Version | 3.0 | 5.0 |
| PCIe Lanes | 16 | 28 |
| Extended Instruction Set | SSE4.1, SSE4.2, AVX-2 | |
| Benchmarks | ||
| Cinebench R23 Single Core | 898 | 2029 |
| Cinebench R23 Multi Core | 3214 | 20521 |
| Geekbench 6 Single Core | 1143 | 2823 |
| Geekbench 6 Multi Core | 3312 | 15662 |
| Blender | 49 | 278 |