Buy on Amazon
$405
In Stock
AvailabilityMSRP in USD: $315
Availability
MSRP in USD: $315
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AvailabilityMSRP in USD: $488
Availability
MSRP in USD: $488
Key Differences
In short — Core i9-9900K outperforms Core i5-5257U on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-9900K is 1328 days newer than Core i5-5257U.
Advantages of Intel Core i5-5257U
- Consumes up to 71% less energy than Intel Core i9-9900K - 28 vs 95 Watts
Advantages of Intel Core i9-9900K
- Performs up to 24% better in Starfield than Core i5-5257U - 62 vs 50 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-5257U - 16 vs 4 threads
Starfield
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-9900K
Desktop • Oct 19th, 2018
FPS
62
100%
Value, $/FPS
$6.53/FPS
100%
Price, $
$405
100%
FPS and Value Winner
Intel Core i9-9900K Desktop Processor 8 Cores up to 5.0 GHz Turbo Unlocked LGA1151 300 Series 95W
Buy for $405 on Amazon
In Stock
Updated 17935 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-5257U
Mobile • Mar 1st, 2015
Core i9-9900K
Desktop • Oct 19th, 2018
Geekbench 5 Benchmarks
Intel Core i5-5257U | vs | Intel Core i9-9900K |
|---|---|---|
| Mar 1st, 2015 | Release Date | Oct 19th, 2018 |
| Core i5 | Collection | Core i9 |
| Broadwell | Codename | Coffee Lake |
| Intel BGA 1168 | Socket | Intel Socket 1151 |
Mobile | Segment | Desktop |
| 2 | Cores | 8 |
| 4 | Threads | 16 |
| 2.7 GHz | Base Clock Speed | 3.6 GHz |
| 3.1 GHz | Turbo Clock Speed | 5.0 GHz |
28 W | TDP | 95 W |
| 14 nm | Process Size | 14 nm |
| 27.0x | Multiplier | 36.0x |
| Intel Iris 6100 | Integrated Graphics | UHD Graphics 630 |
| No | Overclockable | Yes |
Builds Using Core i5-5257U or Core i9-9900K
Starfield, 1920 x 1080, Ultra
26 FPS
$180.77/FPS
GeForce RTX 2080 Ti
Core i9-9900K
16 GB, 2 TB HDD
Buy on Amazon
$4,699.99
In Stock
13 FPS
$299.92/FPS
GeForce RTX 2070
Core i9-9900K
16 GB, 960 GB SSD + 3 TB HDD
Buy on Amazon
$3,899
In Stock
18 FPS
$222.17/FPS
GeForce RTX 2080
Core i9-9900K
32 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$3,999
In Stock
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