Buy on Amazon
£258.88
In Stock
Availability
Availability
No items available
AvailabilityMSRP in USD: $539
Availability
MSRP in USD: $539
Key Differences
In short — Core i9-11900K outperforms Xeon E5645 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-11900K is 4018 days newer than Xeon E5645.
Advantages of Intel Xeon E5645
- Consumes up to 36% less energy than Intel Core i9-11900K - 80 vs 125 Watts
Advantages of Intel Core i9-11900K
- Performs up to 21% better in Elden Ring than Xeon E5645 - 132 vs 109 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Xeon E5645 - 16 vs 12 threads
- Works without a dedicated GPU, while Intel Xeon E5645 doesn't have integrated graphics
Elden Ring
Resolution
1920 x 1080
Game Graphics
Maximum
Core i9-11900K
Desktop • Mar 16th, 2021
FPS
132
100%
Value, £/FPS
£1.96/FPS
100%
Price, £
£258.88
100%
FPS and Value Winner
Intel® Core™ i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel® 500 Series & select 400 Series chipset) 125W
Buy for £258.88 on Amazon
In Stock
Updated 17993 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Maximum
Xeon E5645
Server/Workstation • Mar 16th, 2010
Core i9-11900K
Desktop • Mar 16th, 2021
Geekbench 5 Benchmarks
Intel Xeon E5645 | vs | Intel Core i9-11900K |
|---|---|---|
| Mar 16th, 2010 | Release Date | Mar 16th, 2021 |
| Xeon | Collection | Core i9 |
| Westmere-EP | Codename | Rocket Lake |
| Intel Socket 1366 | Socket | Intel Socket 1200 |
Server | Segment | Desktop |
| 6 | Cores | 8 |
| 12 | Threads | 16 |
| 2.4 GHz | Base Clock Speed | 3.5 GHz |
| 2.7 GHz | Turbo Clock Speed | 5.3 GHz |
80 W | TDP | 125 W |
| 32 nm | Process Size | 14 nm |
| 18.0x | Multiplier | 35.0x |
| None | Integrated Graphics | UHD Graphics 750 |
| No | Overclockable | Yes |
Builds Using Xeon E5645 or Core i9-11900K
Elden Ring, 1920 x 1080, Maximum
104 FPS
£13.46/FPS
GeForce RTX 4070
Core i9-11900K
16 GB, 1 TB SSD
Buy on Amazon
£1,399.95
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
