|  |  | 
");
}
else
{
 // no ad
}
//-->
Compare any two CPUs:
Intel Core i5 8400 vs Core i9-10900K
Display Graphs
	  
		
	  
		
	  
		
	  
		
Specification Charts
Combined Speed (all threads combined)
| Core i9-10900K |   | 74 GT/s | 
| Core i5 8400 |   | 16.8 GT/s | 
|  | 
Core Speed
| Core i9-10900K |   | 3.7 GHz | 
| Core i5 8400 |   | 2.8 GHz | 
|  | 
Threads
| Core i9-10900K |   | 20 | 
| Core i5 8400 |   | 6 | 
|  | 
TDP
| Core i9-10900K |   | 125 Watts | 
| Core i5 8400 |   | 65 Watts | 
|  | 
Price Comparison
Display Prices
 
| Core i5 8400Amazon.com 
 Check prices at: 
 | Core i9-10900KAmazon.com 
 Check prices at: 
 | 
Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.
Specifications
Display Specifications
  
    
| Model | Core i5 8400 | Core i9-10900K | 
|---|---|---|
| Manufacturer | Intel | Intel | 
| Architecture | Coffee Lake | Comet Lake | 
| Core Speed | 2.8 GHz | 3.7 GHz | 
| Hyperthreading | No | Yes | 
| Cores / Modules | 6 | 10 | 
| Total Threads | 6 | 20 | 
| Turbo | 4 GHz | 5.3 | 
| L2 Cache | 10 x 256KB | |
| L3 Cache | 9MB | 20MB | 
| GPU Model | UHD 630 | UHD 630 | 
| TDP | 65 Watts | 125 Watts | 
| Socket | LGA 1151 | LGA 1200 | 
| Released | August 2017 | May 2020 |