Processor comparison
Intel Core i3-9350K vs Intel Core i5-8420
Intel
Intel Core i3-9350K
Intel Socket 1151
4000 MHz
4 cores
Apr 2019
DESKTOP
VS
Intel
Intel Core i5-8420
Intel Socket 1151
2900 MHz
6 cores
Sep 2018
DESKTOP
Summary
Synthetic performance index
- Intel Core i3-9350K113%
- Intel Core i5-8420100%
Relative performance
Single thread performance index
- Intel Core i3-9350K111%
- Intel Core i5-8420100%
Relative performance
Multi thread performance index
- Intel Core i3-9350K114%
- Intel Core i5-8420100%
Relative performance
Reasons to consider the Intel Core i3-9350K
- 11% higher single threaded performance.
- 14% higher multi threaded performance.
- Around 13% higher average synthetic performance.
Reasons to consider the Intel Core i5-8420
Gaming
HWSpot recommends the Intel Core i3-9350K
Based on game and synthetic benchmarks, and theoretical specifications.
Productivity
No clear winner declared
Specifications
Features
| Intel Core i3-9350K | Intel Core i5-8420 |
|---|
| 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 i3-9350K | Intel Core i5-8420 |
|---|
| Architecture | Intel_Coffelake | Intel_Coffelake |
| Market | Desktop | Desktop |
| Memory Support | DDR4-2666 MHz
Dual-channel | DDR4 |
| Codename | Coffee Lake | Coffee Lake |
| Release Date | Apr 2019 | Sep 2018 |
Cores
| Intel Core i3-9350K | Intel Core i5-8420 |
|---|
| Cores | 4 | 6 |
| Threads | 4 | 6 |
| SMPs | 1 | 1 |
| Integrated Graphics | UHD 630 | UHD Graphics 630 |
Cache
| Intel Core i3-9350K | Intel Core i5-8420 |
|---|
| L1 Cache | 64K (per core) | 64 KB (per core) |
| L2 Cache | 256K (per core) | 256 KB (per core) |
| L3 Cache | 6MB (shared) | 9216 KB (shared) |
Physical
| Intel Core i3-9350K | Intel Core i5-8420 |
|---|
| 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 i3-9350K | Intel Core i5-8420 |
|---|
| Cpu Frequency | 4000 MHz | 2900 MHz |
| Turbo Clock | 4600 MHz | 4100 MHz |
| Base Clock | 100 MHz | 100 MHz |
| Voltage | N/A | variable |
| TDP | 91 W | 65 W |
Raw performance index
Raw single-thread performance estimation
- Intel Core i3-9350K5520 points
- Intel Core i5-84204920 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Core i3-9350K19200 points
- Intel Core i5-842020880 points
Points - higher is better
Synthetic benchmarks
Cinebench R15 CPU Single 64Bit
- Intel Core i3-9350K (simulated)198.06
- Intel Core i5-8420 (simulated)178.3
points - higher is better
Cinebench R15 CPU Multi 64Bit
- Intel Core i3-9350K (simulated)961.43
- Intel Core i5-8420 (simulated)836.17
points - higher is better