Nokia 6131 vs Nokia 6020
| Type | Clamshell | Bar (classic) |
| Dimensions | 92.00 x 48.00 x 20.00 mm | 106.00 x 44.00 x 20.00 mm |
| Weight | 112.00 g | 90.00 g |
| Display size | 2.20" | 1.50" |
| Display | Color / TFT 16M colors 240 x 320 px (2.20") 182 ppi | Color / TFT 64k colors 128 x 128 px (1.50") 121 ppi |
| Display protection | ||
| Additional display | Color / TFT 256k colors 128 x 160 px (1.36") | |
| Protection of the secondary display | ||
| Talk time (max.) | 2G: 200 min. (3.3 h) | 2G: 180 min. (3.0 h) |
| Stand-by (max.) | 2G: 240 h. (10.0 days) | 2G: 336 h. (14.0 days) |
| Standard battery | Li-Ion 760 mAhBuy powerbank
| Li-Ion 760 mAhBuy powerbank
|
| Quick battery charging | ||
| Wireless battery charging | ||
| Internal memory | 32 MB | 3.5 MB |
| End-user memory | 11 MB | |
| RAM memory | 16 MB | |
| Memory cards | microSD | |
| Interface | Series 40 3rd Edition | Series 40 2nd Edition |
| Touchscreen | ||
| SAR (10g) | 0,85 W/kg | 0,52 W/kg |
| DualSIM | ||
| Announced | 2Q 2006 | 2Q 2005 |
| Other names | - | - |
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 |
| UMTS | ||
| LTE standard | ||
| CDMA | ||
| Standard TD-SCDMA | ||
| UMA |

