| Price | 
                    
                        | Not Available | Not Available | 
                    
                            
                                | Capacity | 
                            
                                | 1530 mAH, Li-Po 39.1% more mAH battery than HTC Tattoo. More battery capacity reduces the need to charge your battery again. (1530 mAH, Li-Po vs. 1100 mAH, Li-ion) | 1100 mAH, Li-ion | 
                        
                            
                                | TalkTime | 
                            
                                | Up to 5.5 Hours(2G) | Up to 6.50 Hours(2G) / Up to 5.66 Hours(3G) | 
                        
                            
                                | Flash | 
                            
                                |  | LED | 
                        
                            
                                | Video Recording | 
                            
                                |  | 352x288 | 
                        
                            
                                | Camera Features | 
                            
                                |  | Geo tagging | 
                        
                            
                                | Main Camera | 
                            
                                | 2 MP | 3.20 MP 60.0% more mega pixels (MP) on main camera than HTC Tattoo. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (3.20 MP vs. 2 MP) | 
                        
                            
                                | Zoom | 
                            
                                | Digital Zoom | Digital Zoom | 
                        
                            
                                | 3G | 
                            
                                |  | HSPA | 
                        
                            
                                | GPRS | 
                            
                                | Class 10, 32 - 48 kbps kbps | Class 10, 32 - 48 kbps kbps | 
                        
                            
                                | EDGE | 
                            
                                | Class 10, 236.8 kbps | Class 10, 236.8 kbps | 
                        
                            
                                | Wi-Fi | 
                            
                                | Wi-Fi 802.11, b | Wi-Fi 802.11, a/b/g | 
                        
                            
                                | Bluetooth | 
                            
                                | v1.2 | v2, A2DP | 
                        
                            
                                | USB Connectivity | 
                            
                                | No | No | 
                        
                            
                                | More Connectivity | 
                            
                                | VoIP, Infrared | VoIP | 
                        
                            
                                | Touch Screen | 
                            
                                | Resistive Touchscreen | Resistive Touchscreen | 
                        
                            
                                | Weight | 
                            
                                | 140 grams | 113 grams 27.0 grams Lighter than HTC Tattoo. light weight phone is easy to hold and can kept in your pocket for long time. (113 grams vs. 140 grams) | 
                        
                            
                                | Dimensions | 
                            
                                | 102 x 58 x 18.50 mm | 106 x 55.2 x 14 mm 4.5 mm Thinner than HTC Tattoo. Slim mobile phone is easy to handle and looks gorgeous in hand. (106 x 55.2 x 14 mm vs. 102 x 58 x 18.50 mm) | 
                        
                            
                                | Screen Size | 
                            
                                | 2.7 Inch | 2.80 Inch 3.7% bigger screen size than HTC Tattoo. The bigger the screen size is better the user experience of reading and watching movie or video songs. (2.80 Inch vs. 2.7 Inch) | 
                        
                            
                                | Colours | 
                            
                                |  | Brown,White,Graphite,Black,Violet | 
                        
                            
                                | Screen Resolution | 
                            
                                | 240 x 320 pixels | 240 x 320 pixels | 
                        
                            
                                | Pixel Density (sharpness) | 
                            
                                | 148 ppi 3.5% Higher pixel density than HTC Tattoo. High pixel density shows sharper text and extremely detailed photos and videos. (148 ppi vs. 143 ppi) | 143 ppi | 
                        
                            
                                | Display Type | 
                            
                                | LCD | LCD | 
                        
                            
                                | GPS | 
                            
                                |  | with A-GPS | 
                        
                            
                                | Sensors | 
                            
                                |  | Accelerometer, Compass | 
                        
                            
                                | Box Contents | 
                            
                                | Handset, Battery, Charger, Earphone, USB Cable, User Manual | Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card | 
                        
                            
                                | Brand | 
                            
                                | O2 | HTC | 
                        
                            
                                | Model | 
                            
                                | XDA Atom | Tattoo | 
                        
                            
                                | Operating System | 
                            
                                | Windows Mobile | Android v1.6 | 
                        
                            
                                | SIM Slot(s) | 
                            
                                | Single SIM, GSM | Single SIM, GSM | 
                        
                            
                                | OS Type | 
                            
                                | Windows | Android | 
                        
                            
                                | FM Radio | 
                            
                                | Yes | Stereo FM, RDS | 
                        
                            
                                | Processor | 
                            
                                | 416 MHz, Intel, Chipset: Xscale | 528 MHz, Qualcomm, Chipset: MSM7225 | 
                        
                            
                                | RAM | 
                            
                                | 64 MB | 256 MB 300.0% More RAM memory than HTC Tattoo. more RAM makes your mobile significantly faster and efficient. (256 MB vs. 64 MB) | 
                        
                            
                                | Internal Memory | 
                            
                                | 128 MB | 512 MB | 
                        
                            
                                | Expandable Memory | 
                            
                                | Yes | Yes |