Comparison of Panasonic T31 and Celkon A9 Dual [S]ave
| Attribute |  Panasonic T31 × |  Celkon A9 Dual × |
|---|---|---|
| General | ||
| Brand | Panasonic | Celkon |
| Launch | ||
| Announced | 2013-10-01 | 2014-01-01 |
| Body | ||
| Width (mm) | 11.2 | 10.6 |
| Length (mm) | 122 | 120.5 |
| Height (mm) | 64.4 | 63.9 |
| Weight (g) | 120 | 116 |
| SIM | Dual SIM (Mini-SIM, dual stand-by) | Dual SIM |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| 3G bands |
| - |
| Speed |
| - |
| Platform | ||
| OS | Android 4.2.2 (Jelly Bean) | Android 4.2.2 (Jelly Bean) |
| Chipset | Mediatek MT6572M (28 nm) | - |
| CPU | Dual-core 1.3 GHz Cortex-A7 | Dual-core 1.0 GHz |
| GPU | Mali-400 | - |
| Memory | ||
| Card slot | microSDHC (dedicated slot) | microSDHC |
| Internal |
|
|
| Display | ||
| Size (in) | 4 | 3.5 |
| Resolution (px) | 480 x 800 | 320 x 480 |
| Display Type | TFT | TFT |
| Battery | ||
| Type | Li-Ion | Li-Ion |
| Capcity (mAh) | 1300 | 1350 |
| Main Camera | ||
| Main Camera Type | Single | Single |
| Main Camera Properties |
|
|
| Main Camera Video | 720p@24fps | Yes |
| Main Camera Features | HDR | - |
| Selfie Camera | ||
| Selfie Camera Type | Single | Single |
| Selfie Camera Properties |
|
|
| Comms | ||
| WLAN | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, hotspot |
| Bluetooth | 4.0, A2DP | 2.0 |
| GPS | + | + |
| NFC | - | - |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0 | microUSB 2.0 |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | + | + |
| Features | ||
| Sensors |
|
|
| Misc | ||
| Colors |
|
|
| SAR EU Head (W/kg) | 0.85 | 0.61 |
| SAR EU Body (W/kg) | 1.18 | 0.69 |
| Stand-by (h) | 510 | 240 |
| Talk time (h) | Up to 3 h 30 min (2G) / Up to 9 h 30 min (3G) | Up to 3 h 20 min |
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