Intel Core i9-11900K vs Intel Core i7-7820X
Summary
Reasons to consider Intel Core i9-11900K |
| This is a newer product, it might have better application compatibility/performance (check features chart below). |
| Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i7-7820X. |
| Higher theoretical gaming performance, based on raw specifications plus core architecture. |
Reasons to consider Intel Core i7-7820X |
| None |
Gaming
HWBench recommends Intel Core i9-11900K
Based on game and synthetic benchmarks, and theoretical specifications.
Productivity
No clear winner declared
Features
| Intel Core i9-11900K | | Intel Core i7-7820X | |
|---|
| MMX | | | |
| SSE | | | |
| SSE2 | | | |
| SSE3 | | | |
| SSSE3 | | | |
| SSE4.2 | | | |
| AVX | | | |
| AVX2 | | | |
| AVX512 | | | |
| FMA3 | | | |
| SHA | | | |
| EIST | | | |
| Intel 64 | | | |
| XD bit | | | |
| VT-x | | | |
| VT-d | | | |
| AES-NI | | | |
| TSX | | | |
| TXT | | | |
| CLMUL | | | |
| F16C | | | |
| BMI1 | | | |
| BMI2 | | | |
| ABM | | | |
| ADX | | | |
| RdRand | | | |
| TBT 2.0 | | | |
| TBT 3.0 | | | |
| HTT | | | |
| Boost 2.0 | | | |
| Boost 3.0 | | | |
Architecture
| Intel Core i9-11900K | | Intel Core i7-7820X | |
|---|
| Architecture | Intel Rocket Lake | vs | Intel_Kabylake |
| Market | Desktop | vs | Desktop |
| Memory Support | DDR4-3200 MHz
Dual-channel | vs | DDR4 |
| Codename | Rocket Lake | vs | Skylake-X |
| Release Date | Mar 2021 | vs | Jun 2017 |
Cores
| Intel Core i9-11900K | | Intel Core i7-7820X | |
|---|
| Cores | 8 | vs | 8 |
| Threads | 16 | vs | 16 |
| SMPs | 1 | vs | 1 |
| Integrated Graphics | UHD Graphics 750 | vs | No |
Cache
| Intel Core i9-11900K | | Intel Core i7-7820X | |
|---|
| L1 Cache | 64K (per core) | vs | 64 KB (per core) |
| L2 Cache | 256K (per core) | vs | 256 KB (per core) |
| L3 Cache | 16MB (shared) | vs | 11264 KB (shared) |
Physical
| Intel Core i9-11900K | | Intel Core i7-7820X | |
|---|
| Socket | Intel Socket 1200 | vs | Intel Socket 2066 |
| Max Case Temp | 72°C | vs | 72°C |
| Package | FC-LGA1200 | vs | FC-LGA2066 |
| Die Size | unknown | vs | 308mm² |
| Process | 14 nm | vs | 14 nm |
Performance
| Intel Core i9-11900K | | Intel Core i7-7820X | |
|---|
| Cpu Frequency | 3500 MHz | vs | 3600 MHz |
| Turbo Clock | 5300 MHz | vs | 4500 MHz |
| Base Clock | 100 MHz | vs | 100 MHz |
| Voltage | N/A | vs | unknown |
| TDP | 125 W | vs | 140 W |
Intel Core i9-11900K
6360 points
Intel Core i7-7820X
5400 points
Points - higher is better
Intel Core i9-11900K
40320 points
Intel Core i7-7820X
41472 points
Points - higher is better