In Atomfall, the Xeon E5645 is slightly slower than the Core i9-9900K. We cannot compare value as at least one CPU is out of stock.
Xeon E5645
- Consumes up to 16% less energy – 80 vs 95 Watts
- Consumes up to 16% less energy
Core i9-9900K
- Up to 15% faster in Atomfall – 217 vs 189 FPS
- Up to 15% faster in Atomfall
- Is 8 years and 7 months newer – Oct 19, 2018 vs Mar 16, 2010
- Is 8 years and 7 months newer
- Can run games without a dedicated GPU using its integrated graphics
- Can run games without a dedicated GPU using its integrated graphics
Atomfall FPS Calculator
Xeon E5645 vs Core i9-9900K: Comparison of performance and price
All items are out of stock
Core i9-9900K
Oct 19th, 2018
Average FPS
217 FPS
100%
Min 1% FPS
163 FPS
100%
Price, $
$449
100%
Value, $/FPS
$2.06/FPS
100%
Synthetic Benchmarks
The Xeon E5645 vs Core i9-9900K in synthetic CPU benchmarks
Performance Specifications
The Xeon E5645 vs Core i9-9900K in core CPU performance specifications
Xeon E5645
Mar 16th, 2010
Cores
6-core
75%
L3 Cache
12 MB
75%
Base Frequency
2.4 GHz
67%
Turbo Frequency
2.666 GHz
53%
Max. DDR3 RAM Speed
MHz
Core i9-9900K
Oct 19th, 2018
Cores
8-core
100%
L3 Cache
16 MB
100%
Base Frequency
3.6 GHz
100%
Turbo Frequency
5 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of core specifications
Xeon E5645 Mar 16th, 2010 | SpecificationsComparison of core specifications | Core i9-9900K Oct 19th, 2018 |
|---|---|---|
| General | ||
| Mar 16th, 2010 | Release Date | Oct 19th, 2018 |
| – | MSRP | $488.00 |
Server | Segment | Desktop |
| LGA1366 | Socket | LGA1151 |
80W | Power Consumption | 95W |
| Other Features | ||
| DDR3 | RAM | 2666 MHz (DDR4) |
| No Integrated Graphics | Integrated GPU | UHD Graphics 630 |
| Not Overclockable | Overclock Support | Overclockable |
