Processor comparison
Intel Core i9-10940X vs Intel Core i9-7920X
Intel
Intel Core i9-10940X
Intel Socket 2066
3300 MHz
14 cores
Oct 2019
DESKTOP
VS
Intel
Intel Core i9-7920X
Intel Socket 2066
2900 MHz
12 cores
Sep 2017
DESKTOP
Summary
Synthetic performance index
- Intel Core i9-10940X140%
- Intel Core i9-7920X100%
Relative performance
Multi thread performance index
- Intel Core i9-10940X140%
- Intel Core i9-7920X100%
Relative performance
Reasons to consider the Intel Core i9-10940X
- Much higher multi threaded performance (around 40% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
- This is a newer product, it might have better application compatibility/performance (check features chart below).
- Around 40% higher average synthetic performance.
Reasons to consider the Intel Core i9-7920X
Gaming
HWSpot recommends the Intel Core i9-10940X
Based on game and synthetic benchmarks, and theoretical specifications.
Productivity
HWSpot recommends the Intel Core i9-10940X
Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.
Specifications
Features
| Intel Core i9-10940X | Intel Core i9-7920X |
|---|
| MMX | | |
| SSE | | |
| SSE2 | | |
| SSE3 | | |
| SSSE3 | | |
| SSE4.2 | | |
| AVX | | |
| AVX2 | | |
| EIST | | |
| Intel 64 | | |
| XD bit | | |
| VT-x | | |
| VT-d | | |
| HTT | | |
| AES-NI | | |
| TSX | | |
| TXT | | |
| CLMUL | | |
| FMA3 | | |
| F16C | | |
| BMI1 | | |
| BMI2 | | |
| Boost 2.0 | | |
| Boost 3.0 | | |
Architecture
| Intel Core i9-10940X | Intel Core i9-7920X |
|---|
| Architecture | Intel_Cascadelake | Intel_Kabylake |
| Market | Desktop | Desktop |
| Memory Support | DDR4
Quad-channel | DDR4 |
| Codename | Cascade Lake-X | Skylake-X |
| Release Date | Oct 2019 | Sep 2017 |
Cores
| Intel Core i9-10940X | Intel Core i9-7920X |
|---|
| Cores | 14 | 12 |
| Threads | 28 | 24 |
| SMPs | 1 | 1 |
| Integrated Graphics | No | No |
Cache
| Intel Core i9-10940X | Intel Core i9-7920X |
|---|
| L1 Cache | 64K (per core) | 64 KB (per core) |
| L2 Cache | 1MB (per core) | 1024 KB (per core) |
| L3 Cache | 19.25MB (shared) | 16896 KB (shared) |
Physical
| Intel Core i9-10940X | Intel Core i9-7920X |
|---|
| Socket | Intel Socket 2066 | Intel Socket 2066 |
| Max Case Temp | N/A | 72°C |
| Package | FC-LGA2066 | FC-LGA2066 |
| Die Size | unknown | 428mm² |
| Process | 14 nm | 14 nm |
Performance
| Intel Core i9-10940X | Intel Core i9-7920X |
|---|
| Cpu Frequency | 3300 MHz | 2900 MHz |
| Turbo Clock | 4800 MHz | 4400 MHz |
| Base Clock | 100 MHz | 100 MHz |
| Voltage | N/A | unknown |
| TDP | 165 W | 140 W |
Raw performance index
Raw single-thread performance estimation
- Intel Core i9-10940X5760 points
- Intel Core i9-7920X5280 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Core i9-10940X66528 points
- Intel Core i9-7920X50112 points
Points - higher is better
Synthetic benchmarks
Cinebench R15 CPU Multi 64Bit
- Intel Core i9-10940X (simulated)3203.2
- Intel Core i9-7920X (simulated)2287.31
points - higher is better