Comparison of Micromax X640 and Icemobile Crystal [S]ave
| Attribute |  Micromax X640 × |  Icemobile Crystal × |
|---|---|---|
| General | ||
| Brand | Micromax | Icemobile |
| Launch | ||
| Announced | 2012, Q2 | 2011-02-01 |
| Body | ||
| Width (mm) | 12.2 | 13.1 |
| Length (mm) | 113.5 | 111.5 |
| Height (mm) | 57.5 | 56.2 |
| Weight (g) | 0 | 0 |
| SIM | Dual SIM (Mini-SIM) | Dual SIM (Mini-SIM, dual stand-by) |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| Platform | ||
| OS | - | Android 2.2 (Froyo) |
| Chipset | - | Mediatek MT6516 |
| CPU | - | 416 MHz |
| Memory | ||
| Card slot | microSDHC (dedicated slot) | microSD (dedicated slot) |
| Internal | - |
|
| Display | ||
| Size (in) | 3.2 | 3.5 |
| Resolution (px) | 240 x 400 | 240 x 400 |
| Display Type | TFT | TFT |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Ion | Li-Ion |
| Main Camera | ||
| Main Camera Type | Single | Single |
| Main Camera Properties |
|
|
| Main Camera Video | Yes | Yes |
| Main Camera Features | - | LED flash |
| Selfie Camera | ||
| Selfie Camera Type | - | Single |
| Selfie Camera Properties | - |
|
| Comms | ||
| WLAN | No | Wi-Fi 802.11 |
| Bluetooth | Yes | Yes |
| GPS | - | + |
| Radio | FM radio | Stereo FM radio |
| USB | Proprietary | microUSB 2.0 |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | + | + |
| Features | ||
| Sensors | - |
|
| Misc | ||
| Colors |
|
|
| Phonebook | Yes | - |
| Browser | - | WAP 2.0/xHTML, HTML |
| Call records | Yes | - |
| Stand-by (h) | 200 | 180 |
| Talk time (h) | Up to 4 h 40 min | Up to 5 h |
| Messaging | SMS, MMS | - |
| Games | Downloadable | - |
| Java | Yes | - |
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