Product Compare
Intel Core i9 9940X vs Intel Core i7 7820X
| CPU | CPU | |
|---|---|---|
| General Parameters | ||
| Release Date | Oct 2018 | May 2017 |
| Manufacturer | Intel | Intel |
| Type | Desktop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Core Architecture | Skylake | Skylake |
| Processor Number | i9-9940X | i7-7820X |
| Integrated Graphics | N/A | N/A |
| Package | ||
| Manufacturing Process | 14 nm | 14 nm |
| Socket | LGA-2066 | LGA-2066 |
| Power Consumption | 165 W | 140 W |
| Peak Operating Temperature | 88 °C | 99 °C |
| CPU Performance | ||
| Performance Cores | 14 | 8 |
| Performance Core Threads | 28 | 16 |
| Performance Core Base Frequency | 3.3 GHz | 3.6 GHz |
| Performance Core Turbo Frequency | 4.4 GHz | 4.3 GHz |
| Total Core Count | 14 | 8 |
| Total Thread Count | 28 | 16 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 33x | 36x |
| L1 Cache | 64 K per core | 64 K per core |
| L2 Cache | 1 MB per core | 1 MB per core |
| L3 Cache | 20 MB shared | 11 MB shared |
| Unlocked Multiplier | Yes | Yes |
| Memory Parameters | ||
| Memory Types | DDR4-2666 | DDR4-2666 |
| Max Memory Size | 128 GB | 128 GB |
| Max Memory Channels | 4 | 4 |
| Max Memory Bandwidth | 85 GB/s | 79.47 GB/s |
| ECC Memory Support | No | No |
| Miscellaneous | ||
| Official Website | Official Link ↗ | Official Link ↗ |
| PCIe Version | 3.0 | 3.0 |
| PCIe Lanes | 44 | 28 |
| Extended Instruction Set | SSE4.1, SSE4.2, AVX-2, AVX-512 | SSE4.1, SSE4.2, AVX-2, AVX-512 |
| Benchmarks | ||
| Cinebench R23 Single Core | 1228 | 1338 |
| Cinebench R23 Multi Core | 15351 | 13358 |
| Geekbench 6 Single Core | 1328 | 1252 |
| Geekbench 5 Single Core | 1189 | 1120 |
| Geekbench 6 Multi Core | 9787 | 7510 |
| Geekbench 5 Multi Core | 14374 | 8504 |