Buy on Amazon
€399.99
In Stock
AvailabilityMSRP in USD: $599
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MSRP in USD: $599
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Key Differences
In short — Core i9-12900K outperforms Xeon E5645 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 4251 days newer than Xeon E5645.
Advantages of Intel Core i9-12900K
- Performs up to 15% better in Fortnite than Xeon E5645 - 242 vs 211 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Xeon E5645 - 24 vs 12 threads
- Works without a dedicated GPU, while Intel Xeon E5645 doesn't have integrated graphics
Advantages of Intel Xeon E5645
- Consumes up to 36% less energy than Intel Core i9-12900K - 80 vs 125 Watts
Fortnite
Resolution
1920 x 1080
Game Graphics
Epic
Core i9-12900K
Desktop • Nov 4th, 2021
FPS
242
100%
Value, €/FPS
€1.65/FPS
100%
Price, €
€399.99
100%
FPS and Value Winner
Intel® Core™ i9-12900K, processore desktop, per sistemi desktop16 (8P+8E) core fino a 5,2 GHz sbloccato LGA1700 serie 600 chipset 125 W
Buy for €399.99 on Amazon
In Stock
Updated 203 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
Core i9-12900K
Desktop • Nov 4th, 2021
Xeon E5645
Server/Workstation • Mar 16th, 2010
Geekbench 5 Benchmarks
Intel Core i9-12900K | vs | Intel Xeon E5645 |
|---|---|---|
Nov 4th, 2021 | Release Date | Mar 16th, 2010 |
| Core i9 | Collection | Xeon |
| Alder Lake | Codename | Westmere-EP |
| Intel Socket 1700 | Socket | Intel Socket 1366 |
Desktop | Segment | Server |
16 | Cores | 6 |
24 | Threads | 12 |
3.2 GHz | Base Clock Speed | 2.4 GHz |
5.2 GHz | Turbo Clock Speed | 2.7 GHz |
| 125 W | TDP | 80 W |
10 nm | Process Size | 32 nm |
32.0x | Multiplier | 18.0x |
UHD Graphics 770 | Integrated Graphics | None |
Yes | Overclockable | No |
Builds Using Core i9-12900K or Xeon E5645
Fortnite, 1920 x 1080, Epic
98 FPS
€13.66/FPS
GeForce RTX 3060
Core i9-12900K
16 GB, N/A Storage
Buy on Amazon
€1,339
In Stock
215 FPS
€11.07/FPS
GeForce RTX 4080
Core i9-12900K
16 GB, N/A Storage
Buy on Amazon
€2,379
In Stock
174 FPS
€27.65/FPS
GeForce RTX 3090
Core i9-12900K
64 GB, N/A Storage
Buy on Amazon
€4,810.28
In Stock
242 FPS
€13.63/FPS
GeForce RTX 4090
Core i9-12900K
16 GB, N/A Storage
Buy on Amazon
€3,299
In Stock
142 FPS
€12.18/FPS
GeForce RTX 3070 Ti
Core i9-12900K
32 GB, 480 GB SSD + 1.953125 TB HDD
Buy on Amazon
€1,729
In Stock
98 FPS
€14.89/FPS
GeForce RTX 3060
Core i9-12900K
16 GB, N/A Storage
Buy on Amazon
€1,459
In Stock
162 FPS
€13.14/FPS
GeForce RTX 4070
Core i9-12900K
12 GB, N/A Storage
Buy on Amazon
€2,129
In Stock
174 FPS
€33.63/FPS
GeForce RTX 3090
Core i9-12900K
64 GB, 1.953125 TB SSD + 1.953125 TB HDD
Buy on Amazon
€5,850.84
In Stock
190 FPS
€10.42/FPS
GeForce RTX 4070 Ti
Core i9-12900K
64 GB, N/A Storage
Buy on Amazon
€1,979
In Stock
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