Pentax K-5 vs Nikon D5100
      
     | 
    vs | 
      
     | 
   
| Pentax K-5 | Nikon D5100 | 
| 16.3 | 
    | 
  16.2 | 
| 3 | 
    | 
  3.0 | 
| APS-C | 
    | 
  APS-C | 
| CMOS | 
    | 
  CMOS | 
| Yes | 
    | 
  Yes | 
| 12800 | 
    | 
  6400 | 
| 100 | 
    | 
  100 | 
| 7 | 
    | 
  4 | 
| Optical | 
    | 
  Optical | 
| 1 | 
    | 
  3.06 | 
| 2.8 | 
    | 
  3.5 | 
| 26.1 | 
    | 
  19.7 | 
| 1.83 | 
    | 
  7.3 | 
| 27.93 | 
    | 
  27 | 
| $1299.99 | 
    | 
  $304.00 | 
| Prices as of Nov 4, 2025, 00:00 PST and Nov 3, 2025, 23:35 PST - Details | 
| 
  
   Buy this camera on Amazon  | 
 
  
   Buy this camera on Amazon  | 






