| Price | 
                    
                        | Rs. 2,314.00 | Not Available | 
                    
                            
                                | Capacity | 
                            
                                | 1200 mAH, Li-ion 33.3% more mAH battery than Karbonn K20. More battery capacity reduces the need to charge your battery again. (1200 mAH, Li-ion vs. 900 mAH, Li-ion) | 900 mAH, Li-ion | 
                        
                            
                                | TalkTime | 
                            
                                | Up to 4.5 Hours(2G) | Up to 2.5 Hours(2G) | 
                        
                            
                                | Stand By Time | 
                            
                                |  | Up to 60 Hours(2G) | 
                        
                            
                                | Main Camera | 
                            
                                | 2 MP | 2 MP | 
                        
                            
                                | Zoom | 
                            
                                | Digital Zoom | Digital Zoom | 
                        
                            
                                | Camera Features | 
                            
                                | Multi Shot | Smile detection, White balance presets, Multi Shot | 
                        
                            
                                | GPRS | 
                            
                                | Class 12 | Class 12 | 
                        
                            
                                | EDGE | 
                            
                                | No | No | 
                        
                            
                                | USB Connectivity | 
                            
                                | USB Port | USB Port | 
                        
                            
                                | Weight | 
                            
                                | 95 grams 5.0 grams Lighter than Karbonn K20. light weight phone is easy to hold and can kept in your pocket for long time. (95 grams vs. 100 grams) | 100 grams | 
                        
                            
                                | Dimensions | 
                            
                                | 116 x 51.5 x 14 mm | 114.7 x 61.2 x 13 mm 1.0 mm Thinner than Karbonn K20. Slim mobile phone is easy to handle and looks gorgeous in hand. (114.7 x 61.2 x 13 mm vs. 116 x 51.5 x 14 mm) | 
                        
                            
                                | Screen Size | 
                            
                                | 2.4 Inch | 2.4 Inch | 
                        
                            
                                | Colours | 
                            
                                | Black and white metal | Black,Back light of keypad : White | 
                        
                            
                                | Screen Resolution | 
                            
                                | 240 x 320 pixels | 320 x 240 pixels | 
                        
                            
                                | Pixel Density (sharpness) | 
                            
                                | 167 ppi | 167 ppi | 
                        
                            
                                | Display Type | 
                            
                                | LCD |  | 
                        
                            
                                | Box Contents | 
                            
                                | Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card | Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card | 
                        
                            
                                | Applications | 
                            
                                |  | PC Sync, Built-in data/fax Modem | 
                        
                            
                                | Brand | 
                            
                                | Karbonn | Karbonn | 
                        
                            
                                | Model | 
                            
                                | K661 | K20 | 
                        
                            
                                | SIM Slot(s) | 
                            
                                | Dual SIM, GSM+GSM | Dual SIM, GSM+GSM | 
                        
                            
                                | FM Radio | 
                            
                                | One Touch FM key | Yes | 
                        
                            
                                | Internal Memory | 
                            
                                | 761 KB | 259 KB | 
                        
                            
                                | Expandable Memory | 
                            
                                | Up to 4 GB | Up to 8 GB | 
                        
                
            
         
        
        
        
        
 
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