Siemens C45 vs Siemens M50
| Type | Bar (classic) | Bar (classic) | Bar (classic) | Bar (classic) |
| Dimensions | 109.00 x 46.00 x 23.00 mm | 109.00 x 46.00 x 23.00 mm | 109.00 x 46.00 x 23.00 mm | 109.00 x 46.00 x 23.00 mm |
| Weight | 107.00 g | 97.00 g | 97.00 g | 97.00 g |
| Display size | - | - | - | - |
| Display | Mono / STN 101 x 64 px | Mono / STN 101 x 64 px | Mono / STN 101 x 64 px | Mono / STN |
| Display protection | ||||
| Additional display | ||||
| Protection of the secondary display | ||||
| Talk time (max.) | 2G: 300 min. (5.0 h) | 2G: 240 min. (4.0 h) | 2G: 360 min. (6.0 h) | 2G: 300 min. (5.0 h) |
| Stand-by (max.) | 2G: 200 h. (8.3 days) | 2G: 260 h. (10.8 days) | 2G: 260 h. (10.8 days) | 2G: 250 h. (10.4 days) |
| Standard battery | Ni-MH 550 mAhBuy powerbank
| Li-Ion 650 mAhBuy powerbank
| Li-Ion 650 mAhBuy powerbank
| Li-Ion 650 mAhBuy powerbank
|
| Quick battery charging | ||||
| Wireless battery charging | ||||
| Phonebook memory | 50 places | 50 places | 50 places | 50 places |
| Memory cards | ||||
| Touchscreen | ||||
| DualSIM | ||||
| Other names | - | - | - | - |
| GSM frequencies | 900 1800 | 900 1800 | 900 1800 | 900 1800 |
| UMTS | ||||
| LTE standard | ||||
| CDMA | ||||
| Standard TD-SCDMA | ||||
| UMA |



