Intel Core i7-12700K vs Intel Core i9-7940X
Summary
Intel Core i7-12700K
140%
Intel Core i9-7940X
100%
Relative performance
Intel Core i7-12700K
140%
Intel Core i9-7940X
100%
Relative performance
Reasons to consider Intel Core i7-12700K |
| Much higher single threaded performance (around 40% higher), makes a noticeable performance difference in gaming and the majority of applications. |
| 40 watts lower power draw. |
| 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 i9-7940X. |
| Around 40% higher average synthetic performance. |
Reasons to consider Intel Core i9-7940X |
| None |
Gaming
HWBench recommends Intel Core i7-12700K
Based on game and synthetic benchmarks, and theoretical specifications.
Productivity
No clear winner declared
Features
| Intel Core i7-12700K | | Intel Core i9-7940X | |
|---|
| MMX | | | |
| SSE | | | |
| SSE2 | | | |
| SSE3 | | | |
| SSSE3 | | | |
| SSE4.2 | | | |
| AVX | | | |
| AVX2 | | | |
| AVX-512 | | | |
| 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 i7-12700K | | Intel Core i9-7940X | |
|---|
| Architecture | Intel Adler Lake | vs | Intel_Kabylake |
| Market | Desktop | vs | Desktop |
| Memory Support | DDR4-3200 MHz
Dual-channel | vs | DDR4 |
| Codename | Alder Lake | vs | Skylake-X |
| Release Date | Nov 2021 | vs | Sep 2017 |
Cores
| Intel Core i7-12700K | | Intel Core i9-7940X | |
|---|
| Cores | 12 | vs | 14 |
| Threads | 20 | vs | 28 |
| E-Cores | 4 | vs | none |
| SMPs | 1 | vs | 1 |
| Integrated Graphics | UHD Graphics 770 | vs | No |
Cache
| Intel Core i7-12700K | | Intel Core i9-7940X | |
|---|
| L1 Cache | 64K (per core) | vs | 64 KB (per core) |
| L2 Cache | 12MB (shared) | vs | 1024 KB (per core) |
| L3 Cache | 25MB (shared) | vs | 19712 KB (shared) |
Physical
| Intel Core i7-12700K | | Intel Core i9-7940X | |
|---|
| Socket | Intel Socket 1700 | vs | Intel Socket 2066 |
| Max Case Temp | 72°C | vs | unknown |
| Package | FC-LGA1700 | vs | FC-LGA2066 |
| Die Size | unknown | vs | 428mm² |
| Process | 10 nm | vs | 14 nm |
Performance
| Intel Core i7-12700K | | Intel Core i9-7940X | |
|---|
| Cpu Frequency | 3600 MHz | vs | 3100 MHz |
| Turbo Clock | 5000 MHz | vs | 4400 MHz |
| Base Clock | 100 MHz | vs | 100 MHz |
| E-Core Frequency | 2700 MHz | vs | - |
| E-Core Turbo Clock | 3800 MHz | vs | - |
| Voltage | N/A | vs | unknown |
| TDP | 125 W | vs | 165 W |
Intel Core i7-12700K
6000 points
Intel Core i9-7940X
5280 points
Points - higher is better
Intel Core i7-12700K
58752 points
Intel Core i9-7940X
62496 points
Points - higher is better
points - higher is better