Comparison of Allview A4 Duo and Celkon C9 [S]ave
| Attribute |  Allview A4 Duo × |  Celkon C9 × |
|---|---|---|
| General | ||
| Brand | Allview | Celkon |
| Launch | ||
| Announced | 2013-11-01 | 2010-01-01 |
| Body | ||
| Width (mm) | 12 | 11 |
| Length (mm) | 116.1 | 109 |
| Height (mm) | 63.2 | 60 |
| Weight (g) | 110.6 | 103 |
| SIM | Dual SIM (dual stand-by) | Dual SIM (Mini-SIM) |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| 3G bands |
| - |
| Speed |
| - |
| Platform | ||
| OS | Android 4.2 (Jelly Bean) | - |
| CPU | Dual-core 1.0 GHz Cotex-A7 | - |
| GPU | Mali-400 | - |
| Memory | ||
| Card slot | No | microSDHC (dedicated slot) |
| Internal |
| - |
| Display | ||
| Size (in) | 3.5 | 2.4 |
| Resolution (px) | 320 x 480 | 240 x 320 |
| Display Type | TFT | TFT |
| Battery | ||
| Type | Li-Ion | Removable |
| Capcity (mAh) | 1200 | Li-Ion |
| Main Camera | ||
| Main Camera Type | Single | Single |
| Main Camera Properties |
|
|
| Main Camera Video | Yes | Yes |
| Comms | ||
| WLAN | Wi-Fi 802.11 b/g/n, hotspot, Wi-Fi Direct | Wi-Fi 802.11 b/g/n |
| Bluetooth | 4.0, A2DP, EDR | Yes |
| GPS | - | - |
| NFC | - | - |
| Radio | FM radio | Stereo FM radio |
| USB | microUSB 2.0 | Proprietary |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | + | + |
| Features | ||
| Sensors |
| - |
| Misc | ||
| Colors |
|
|
| Keyboard | - | QWERTY |
| Phonebook | - | 2000 entries |
| Call records | - | Yes |
| Messaging | - | SMS, MMS |
| Games | - | Yes |
| Java | - | Java |
| Stand-by (h) | 200 | 500 |
| Talk time (h) | Up to 8 h 20 min | Up to 6 h |
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