Intel Core i5-8420T vs Intel Core i7-3940XM
Summary
Intel Core i5-8420T
100%
Intel Core i7-3940XM
106%
Relative performance
Intel Core i5-8420T
104%
Intel Core i7-3940XM
100%
Relative performance
Intel Core i5-8420T
100%
Intel Core i7-3940XM
117%
Relative performance
Reasons to consider Intel Core i5-8420T |
| This is a newer product, it might have better application compatibility/performance (check features chart below). |
Reasons to consider Intel Core i7-3940XM |
| 17% higher multi threaded performance. |
Gaming
No clear winner declared
Productivity
No clear winner declared
Features
| Intel Core i5-8420T | | Intel Core i7-3940XM | |
|---|
| MMX | | | |
| SSE | | | |
| SSE2 | | | |
| SSE3 | | | |
| SSSE3 | | | |
| SSE4.2 | | | |
| AVX | | | |
| AVX2 | | | |
| EIST | | | |
| Intel 64 | | | |
| XD bit | | | |
| VT-x | | | |
| VT-d | | | |
| AES-NI | | | |
| TSX | | | |
| TXT | | | |
| CLMUL | | | |
| FMA3 | | | |
| F16C | | | |
| BMI1 | | | |
| BMI2 | | | |
| Boost 2.0 | | | |
| Hyper-Threading | | | |
Architecture
| Intel Core i5-8420T | | Intel Core i7-3940XM | |
|---|
| Architecture | Intel_Coffelake | vs | Intel_IvyBridge |
| Market | Desktop | vs | Mobile |
| Memory Support | DDR4 | vs | DDR3 |
| Codename | Coffee Lake | vs | Ivy Bridge |
| Release Date | Sep 2018 | vs | Sep 2012 |
Cores
| Intel Core i5-8420T | | Intel Core i7-3940XM | |
|---|
| Cores | 6 | vs | 4 |
| Threads | 6 | vs | 8 |
| SMPs | 1 | vs | 1 |
| Integrated Graphics | UHD Graphics 630 | vs | Intel HD 4000 |
Cache
| Intel Core i5-8420T | | Intel Core i7-3940XM | |
|---|
| L1 Cache | 64 KB (per core) | vs | 64 KB (per core) |
| L2 Cache | 256 KB (per core) | vs | 256 KB (per core) |
| L3 Cache | 9216 KB (shared) | vs | 8192 KB (shared) |
Physical
| Intel Core i5-8420T | | Intel Core i7-3940XM | |
|---|
| Socket | Intel Socket 1151 | vs | Intel Socket G2 (988B) |
| Max Case Temp | 72°C | vs | unknown |
| Package | FC-LGA1151 | vs | FC-PGA12F |
| Die Size | unknown | vs | 160mm² |
| Process | 14 nm | vs | 22 nm |
Performance
| Intel Core i5-8420T | | Intel Core i7-3940XM | |
|---|
| Cpu Frequency | 1800 MHz | vs | 3000 MHz |
| Turbo Clock | 3400 MHz | vs | 3900 MHz |
| Base Clock | 100 MHz | vs | 100 MHz |
| Voltage | variable | vs | unknown |
| TDP | 35 W | vs | 55 W |
Intel Core i5-8420T
4080 points
Intel Core i7-3940XM
4017 points
Points - higher is better
Intel Core i5-8420T
12960 points
Intel Core i7-3940XM
14832 points
Points - higher is better
points - higher is better
points - higher is better