Processor comparison
Intel Core i5-9400T vs Intel Core i5-8420T
Intel
Intel Core i5-9400T
Intel Socket 1151
1800 MHz
6 cores
Sep 2018
DESKTOP
VS
Intel
Intel Core i5-8420T
Intel Socket 1151
1800 MHz
6 cores
Sep 2018
DESKTOP
Summary
Synthetic performance index
- Intel Core i5-9400T100%
- Intel Core i5-8420T100%
Relative performance
Single thread performance index
- Intel Core i5-9400T100%
- Intel Core i5-8420T100%
Relative performance
Multi thread performance index
- Intel Core i5-9400T100%
- Intel Core i5-8420T100%
Relative performance
Reasons to consider the Intel Core i5-9400T
Reasons to consider the Intel Core i5-8420T
Gaming
No clear winner declared
Productivity
No clear winner declared
Specifications
Features
| Intel Core i5-9400T | Intel Core i5-8420T |
|---|
| 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 | | |
Architecture
| Intel Core i5-9400T | Intel Core i5-8420T |
|---|
| Architecture | Intel_Coffelake | Intel_Coffelake |
| Market | Desktop | Desktop |
| Memory Support | DDR4 | DDR4 |
| Codename | Coffee Lake | Coffee Lake |
| Release Date | Sep 2018 | Sep 2018 |
Cores
| Intel Core i5-9400T | Intel Core i5-8420T |
|---|
| Cores | 6 | 6 |
| Threads | 6 | 6 |
| SMPs | 1 | 1 |
| Integrated Graphics | UHD Graphics 630 | UHD Graphics 630 |
Cache
| Intel Core i5-9400T | Intel Core i5-8420T |
|---|
| L1 Cache | 64 KB (per core) | 64 KB (per core) |
| L2 Cache | 256 KB (per core) | 256 KB (per core) |
| L3 Cache | 9216 KB (shared) | 9216 KB (shared) |
Physical
| Intel Core i5-9400T | Intel Core i5-8420T |
|---|
| Socket | Intel Socket 1151 | Intel Socket 1151 |
| Max Case Temp | 72°C | 72°C |
| Package | FC-LGA1151 | FC-LGA1151 |
| Die Size | unknown | unknown |
| Process | 14 nm | 14 nm |
Performance
| Intel Core i5-9400T | Intel Core i5-8420T |
|---|
| Cpu Frequency | 1800 MHz | 1800 MHz |
| Turbo Clock | 3400 MHz | 3400 MHz |
| Base Clock | 100 MHz | 100 MHz |
| Voltage | variable | variable |
| TDP | 35 W | 35 W |
Raw performance index
Raw single-thread performance estimation
- Intel Core i5-9400T4080 points
- Intel Core i5-8420T4080 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Core i5-9400T12960 points
- Intel Core i5-8420T12960 points
Points - higher is better
Synthetic benchmarks
Cinebench R15 CPU Single 64Bit
- Intel Core i5-9400T (simulated)147.86
- Intel Core i5-8420T (simulated)147.86
points - higher is better
Cinebench R15 CPU Multi 64Bit
- Intel Core i5-9400T (simulated)519
- Intel Core i5-8420T (simulated)519
points - higher is better