Comparison of Samsung i640 and Motorola Karma QA1 [S]ave
| Attribute |  Motorola Karma QA1 × |  Samsung i640 × |
|---|---|---|
| General | ||
| Brand | Motorola | Samsung |
| Launch | ||
| Announced | 2009-06-01 | 2008-02-01 |
| Body | ||
| Width (mm) | 17.9 | 16.9 |
| Length (mm) | 88 | 94.4 |
| Height (mm) | 64 | 61 |
| Weight (g) | 141 | 148 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
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| 2G bands |
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| 3G bands |
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| Speed |
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| Platform | ||
| OS | - | Microsoft Windows Mobile 6.0 Standard |
| CPU | - | 32-bit Intel XScale PXA270 416 MHz |
| Memory | ||
| Card slot | microSDHC (dedicated slot) | microSD (dedicated slot) |
| Internal |
|
|
| Display | ||
| Size (in) | 2.5 | 2.4 |
| Resolution (px) | 320 x 240 | 320 x 240 |
| 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 | @15fps | Yes |
| Main Camera Features | LED flash | - |
| Selfie Camera | ||
| Selfie Camera Type | - | Single |
| Selfie Camera Properties | - |
|
| Comms | ||
| WLAN | No | No |
| Bluetooth | 2.0, A2DP | 2.0 |
| GPS | + | - |
| Radio | No | No |
| USB | microUSB 2.0 | 1.1 |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | + | - |
| Misc | ||
| Colors |
|
|
| SAR EU Head (W/kg) | 0.34 | - |
| SAR Head (W/kg) | 0.55 | 1.18 |
| SAR Body (W/kg) | 1.25 | 1.12 |
| Keyboard | QWERTY | QWERTY |
| Phonebook | Yes | - |
| Alert types | - | Vibration; Downloadable polyphonic, MP3 ringtones |
| Call records | 20 dialed, 20 received, 20 missed calls | - |
| Features | ||
| Messaging | SMS(threaded view), MMS, Email | - |
| Browser | WAP 2.0/xHTML, HTML | WAP 2.0/xHTML, HTML, RSS feeds |
| Games | Yes | - |
| Java | Yes, MIDP 2.0 | - |
| Stand-by (h) | 347 | 250 |
| Talk time (h) | Up to 5 h 20 min (2G) / Up to 3 h 40 min (3G) | Up to 6 h |
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