| Hardware and OS | Garmin-Asus nuvifone M20 | |
| Operating system | Microsoft Windows Mobile 6.1 Professional, upgradable to Windows Mobile 6.5 | |
| Processor | 528 MHz ARM 11 | |
| Chipset | Qualcomm MSM7200A | |
| GPU | Adreno 130 | |
| Internal memory | 4/8 GB | |
| External memory | No | |
| Display | Garmin-Asus nuvifone M20 | other phones |
| Type | TFT | |
| Size | 2.8" inc | |
| Resolution | 480 x 640 px | |
| Touchscreen | resistive touchscreen | |
| Screen-to-Body Ratio | 48.5% | |
| Display area | 24.3 cm2 | |
| Display aspect ratio | 4:3 (height:width) | |
| Pixel Density | 286 PPI | |
| Colors | 65K | |
| Connectivity | Garmin-Asus nuvifone M20 | other phones |
| 2G Network | GSM 900 / 1800 / 1900 | |
| Wi-Fi | Wi-Fi 802.11b/g | |
| Network | GSM / HSPA | |
| SIM card | Mini-SIM | |
| Bluetooth | 2.0, A2DP | |
| Edge | Class 10 | |
| GPRS | Class 10 | |
| GPS | Yes | |
| Speed | HSPA 7.2/0.384 Mbps | |
| USB | 2.0 | |
| Camera | Garmin-Asus nuvifone M20 | other phones |
| Main camera | 3.15 MP, Single | |
| Specs | 3.15 MP, AF | |
| Video | 320p@15fps | |
| Selfie camera | 0.3 MP, Single | |
| Multimedia | Garmin-Asus nuvifone M20 | other phones |
| 3.5 mm Jack | No | |
| Radio | No | |
| Design | Garmin-Asus nuvifone M20 | other phones |
| Colors | Green, Red, Blue, Black | |
| Dimensions | 95.3 x 52.5 x 12.8 mm | |
| Weight | 99 g | |
| Battery | Garmin-Asus nuvifone M20 | other phones |
| Battery capacity | 920 mAh, Removable Li-Ion | |
| Battery life | Talking time- Up to 2 h 48
| |
| Other | Garmin-Asus nuvifone M20 | other phones |
| Release date | 2009, February | |
| Sensors | Accelerometer | |
