The Core i3-5157U is a much slower gaming CPU than the Core i9-7940X. We cannot compare value as at least one CPU is out of stock.
Advantages of the Core i3-5157U
- Consumes up to 83% less energy – 28 vs 165 Watts
- Has an integrated GPU, while the Core i9-7940X cannot run games without a dedicated GPU
Advantages of the Core i9-7940X
- At least 2x faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 28 vs 4 threads
Core i3-5157U vs Core i9-7940X for Gaming
The CPU's performance in selected game and settings
Core i3-5157U
Mar 1st, 2015
Average FPS
173
93%
Min 1% FPS
116
94%
Price, £
Out of Stock
Value, £/FPS
Not Available
All items are out of stock.
Core i9-7940X
Sep 1st, 2017
Average FPS
187
100%
Min 1% FPS
124
100%
Price, £
Out of Stock
Value, £/FPS
Not Available
All items are out of stock.
Core i3-5157U vs Core i9-7940X in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
Add a Game
Select Settings
Synthetic Benchmarks
The Core i3-5157U vs Core i9-7940X in synthetic CPU benchmarks
Performance Specifications
The Core i3-5157U vs Core i9-7940X in core CPU performance specifications
Core i3-5157U
Mar 1st, 2015
Cores
2-core
14%
L3 Cache
3 MB
16%
Base Frequency
2.5 GHz
81%
Turbo Frequency
GHz
Max. DDR3 RAM Speed
1866 MHz
70%
Core i9-7940X
Sep 1st, 2017
Cores
14-core
100%
L3 Cache
19.25 MB
100%
Base Frequency
3.1 GHz
100%
Turbo Frequency
4.3 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i3-5157U | SpecificationsComparison of all specifications | Core i9-7940X |
|---|---|---|
| General | ||
| Mar 1st, 2015 | Release Date | Sep 1st, 2017 |
$315.00 | MSRP | $1,399.00 |
Mobile | Segment | Desktop |
| Intel BGA 1168 | Socket | Intel Socket 2066 |
| Broadwell | Codename | Skylake |
28 W | Power Consumption | 165 W |
| Performance | ||
| 2 | Cores | 14 |
| 4 | Threads | 28 |
| 2.5 GHz | Base Frequency | 3.1 GHz |
| Non-Turbo | Turbo Frequency | 4.3 GHz |
| 3 MB | L3 Cache | 19.25 MB |
| Other Features | ||
| DDR3 @ 1866 MHz | RAM | DDR4 @ 2666 MHz |
Intel Iris 6100 | Integrated Graphics | No |
| No | Overclockable | Yes |
