Product Compare
Intel Core i5 6400 vs Intel Core i7 7820X
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Sep 2015 | May 2017 |
| Manufacturer | Intel | Intel |
| Type | Desktop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Core Architecture | Skylake | Skylake |
| Processor Number | i5-6400 | i7-7820X |
| Integrated Graphics | HD Graphics 530 | N/A |
| Package | ||
| Manufacturing Process | 14 nm | 14 nm |
| Socket | LGA-1151 | LGA-2066 |
| Power Consumption | 65 W | 140 W |
| Peak Operating Temperature | 99 °C | |
| CPU Performance | ||
| Performance Cores | 4 | 8 |
| Performance Core Threads | 4 | 16 |
| Performance Core Base Frequency | 2.7 GHz | 3.6 GHz |
| Performance Core Turbo Frequency | 3.3 GHz | 4.3 GHz |
| Total Core Count | 4 | 8 |
| Total Thread Count | 4 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 27x | 36x |
| L1 Cache | 64 K per core | 64 K per core |
| L2 Cache | 256 K per core | 1 MB per core |
| L3 Cache | 6 MB shared | 11 MB shared |
| Unlocked Multiplier | No | Yes |
| Memory Parameters | ||
| Memory Types | DDR4-2133, DDR3L-1600 | DDR4-2666 |
| Max Memory Size | 64 GB | 128 GB |
| Max Memory Channels | 2 | 4 |
| Max Memory Bandwidth | 34.1 GB/s | 79.47 GB/s |
| ECC Memory Support | No | No |
| Graphics Card Parameters | ||
| Integrated Graphics | true | |
| GPU Max Dynamic Frequency | 950 MHz | |
| Miscellaneous | ||
| Official Website | Official Link ↗ | Official Link ↗ |
| PCIe Version | 3.0 | 3.0 |
| PCIe Lanes | 16 | 28 |
| Extended Instruction Set | SSE4.1, SSE4.2, AVX-2 | SSE4.1, SSE4.2, AVX-2, AVX-512 |
| Benchmarks | ||
| Cinebench R23 Single Core | 898 | 1338 |
| Cinebench R23 Multi Core | 3214 | 13358 |
| Geekbench 6 Single Core | 1143 | 1252 |
| Geekbench 5 Single Core | 853 | 1120 |
| Geekbench 6 Multi Core | 3312 | 7510 |
| Geekbench 5 Multi Core | 2805 | 8504 |
| Passmark CPU Single Core | 1961 | 2536 |
| Passmark CPU Multi Core | 5151 | 17189 |