Sony Ericsson C903 vs Arima U308
| Type | Slide | Touch | Clamshell | Touch |
| Dimensions | 97.00 x 49.00 x 16.00 mm | 107.50 x 55.50 x 20.60 mm | 89.00 x 45.70 x 22.00 mm | 125.00 x 62.00 x 14.00 mm |
| Weight | 96.00 g | 130.00 g | 83.00 g | 165.00 g |
| Display size | 2.40" | 2.66" | - | 3.20" |
| Display | Color / TFT 256k colors 240 x 320 px (2.40") | Color / TFT 64k colors 208 x 320 px (2.66") 143 ppi | Color / TFT 64k colors 128 x 160 px | Color / TFT 64k colors 240 x 320 px (3.20") 125 ppi |
| Display protection | ||||
| Additional display | ||||
| Protection of the secondary display | ||||
| Talk time (max.) | 2G: 600 min. (10.0 h) | 2G: 300 min. (5.0 h) | 2G: 420 min. (7.0 h) | 2G: 240 min. (4.0 h) |
| Stand-by (max.) | 2G: 400 h. (16.7 days) | 2G: 200 h. (8.3 days) | 2G: 300 h. (12.5 days) | 2G: 100 h. (4.2 days) |
| PDA mode work time | nd | nd | nd | 250 h (10.4 days) |
| Standard battery | Li-Po Buy powerbank
| Li-Ion 1000 mAhBuy powerbank
| Li-Ion 700 mAhBuy powerbank
| Li-Ion 1500 mAhBuy powerbank
|
| Quick battery charging | ||||
| Wireless battery charging | ||||
| Phonebook memory | 800 places | |||
| Internal memory | 120 MB | 32 MB | 10 MB | 128 MB |
| RAM memory | 64 MB | |||
| Memory cards | Memory Stick Micro (M2) up to 8 GBBuy memory card | miniSD | microSD up to 1 GBBuy memory card | microSD up to 2 GBBuy memory card |
| Operating system | - | Symbian 7.0 | - | MS Windows Mobile 6.0 Pro |
| Processor | - | - | - | Marvell PXA270 |
| Processor clock | - | - | - | 416 MHz |
| GPU | - | - | - | - |
| Touchscreen | ||||
| DualSIM | ||||
| Announced | 2Q 2009 | |||
| Other names | C903c; Frances | - | - | - |
| GSM frequencies | 850 900 1800 1900 | 900 1800 1900 | 900 1800 | 850 900 1800 1900 |
| UMTS | 2100 | |||
| LTE standard | ||||
| CDMA | ||||
| Standard TD-SCDMA | ||||
| UMA |



