In Atomfall, the Xeon E5645 is slightly slower than the Ryzen 9 3900XT. We cannot compare value as at least one CPU is out of stock.
Xeon E5645
- Consumes up to 24% less energy – 80 vs 105 Watts
- Consumes up to 24% less energy
Ryzen 9 3900XT
- Up to 17% faster in Atomfall – 220 vs 188 FPS
- Up to 17% faster in Atomfall
- Is 10 years and 3 months newer – Jul 07, 2020 vs Mar 16, 2010
- Is 10 years and 3 months newer
Atomfall FPS Calculator
Xeon E5645 vs Ryzen 9 3900XT: Comparison of performance and price
All items are out of stock
Ryzen 9 3900XT
Jul 7th, 2020
Average FPS
220 FPS
100%
Min 1% FPS
165 FPS
100%
Price, $
$389.99
100%
Value, $/FPS
$1.77/FPS
100%
Synthetic Benchmarks
The Xeon E5645 vs Ryzen 9 3900XT in synthetic CPU benchmarks
Performance Specifications
The Xeon E5645 vs Ryzen 9 3900XT in core CPU performance specifications
Xeon E5645
Mar 16th, 2010
Cores
6-core
50%
L3 Cache
12 MB
19%
Base Frequency
2.4 GHz
62%
Turbo Frequency
2.666 GHz
57%
Max. DDR3 RAM Speed
MHz
Ryzen 9 3900XT
Jul 7th, 2020
Cores
12-core
100%
L3 Cache
64 MB
100%
Base Frequency
3.9 GHz
100%
Turbo Frequency
4.7 GHz
100%
Max. DDR4 RAM Speed
3200 MHz
100%
Specifications
Comparison of core specifications
Xeon E5645 Mar 16th, 2010 | SpecificationsComparison of core specifications | Ryzen 9 3900XT Jul 7th, 2020 |
|---|---|---|
| General | ||
| Mar 16th, 2010 | Release Date | Jul 7th, 2020 |
| – | MSRP | $499.00 |
Server | Segment | Desktop |
| LGA1366 | Socket | AM4 |
80W | Power Consumption | 105W |
| Other Features | ||
| DDR3 | RAM | 3200 MHz (DDR4) |
| No Integrated Graphics | Integrated GPU | No Integrated Graphics |
| Not Overclockable | Overclock Support | Overclockable |
