Product Compare
Intel Core Ultra 7 355 vs Intel Core i5 8400T
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Jan 2026 | Apr 2018 |
| Manufacturer | Intel | Intel |
| Type | Laptop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Processor Number | 355 | i5-8400T |
| Integrated Graphics | Graphics 4 Xe3 | UHD Graphics 630 |
| Generation | Intel Core Ultra Series 3 | |
| Core Architecture | Coffee Lake | |
| Package | ||
| Manufacturing Process | 3 nm | 14 nm |
| Socket | Custom | LGA-1151 |
| Power Consumption | 15-25 W | 35 W |
| Max Turbo Power Consumption | 55 W | |
| Peak Operating Temperature | 100 °C | 100 °C |
| CPU Performance | ||
| Performance Cores | 4 | 6 |
| Performance Core Threads | 4 | 6 |
| Performance Core Base Frequency | 2.3 GHz | 1.7 GHz |
| Performance Core Turbo Frequency | 4.7 GHz | 3.3 GHz |
| Efficiency Cores | 4 | |
| Efficiency Core Threads | 4 | |
| Efficiency Core Base Frequency | 1.7 GHz | |
| Efficiency Core Turbo Frequency | 3.5 GHz | |
| Total Core Count | 8 | 6 |
| Total Thread Count | 8 | 6 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 23 | 17x |
| L3 Cache | 12 MB shared | 9 MB shared |
| Unlocked Multiplier | No | No |
| L1 Cache | 64 K per core | |
| L2 Cache | 256 K per core | |
| Memory Parameters | ||
| Memory Types | LPDDR5X-7467,DDR5-6400 | DDR4-2666 |
| Max Memory Size | 128 GB | 128 GB |
| Max Memory Channels | 2 | 2 |
| Max Memory Bandwidth | 119.5 GB/s | 41.6 GB/s |
| ECC Memory Support | No | No |
| Graphics Card Parameters | ||
| Integrated Graphics | true | true |
| GPU Max Dynamic Frequency | 2500 MHz | 1050 MHz |
| Execution Units | 4 | 24 |
| Max Resolution | 7680 x 4320 @ 60Hz | 4096x2304 - 60 Hz |
| GPU Base Frequency | 350 MHz | |
| Shader Units | 192 | |
| Texture Units | 24 | |
| Raster Operation Units | 3 | |
| Power Consumption | 15 W | |
| Miscellaneous | ||
| Official Website | Official Link ↗ | Official Link ↗ |
| PCIe Version | 5.0 | 3.0 |
| PCIe Lanes | 12 | 16 |
| Extended Instruction Set | SSE4.1, SSE4.2, AVX-2 | |
| Benchmarks | ||
| Geekbench 6 Single Core | 2706 | 1120 |
| Geekbench 6 Multi Core | 10277 | 3670 |