Comparison of Motorola EM28 and Sony Ericsson Z770 [S]ave
| Attribute |  Sony Ericsson Z770 × |  Motorola EM28 × |
|---|---|---|
| General | ||
| Brand | Sony Ericsson | Motorola |
| Launch | ||
| Announced | 2008-02-01 | 2008-08-01 |
| Body | ||
| Width (mm) | 16 | 17 |
| Length (mm) | 93 | 94 |
| Height (mm) | 48 | 49.5 |
| Weight (g) | 91 | 90 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
|
|
| 2G bands |
|
|
| 3G bands |
| - |
| Speed |
| - |
| Memory | ||
| Card slot | Memory Stick Micro (M2), up to 8 GB | microSD (dedicated slot) |
| Internal |
| - |
| Display | ||
| Size (in) | 2.2 | 1.8 |
| Resolution (px) | 240 x 320 | 128 x 160 |
| Display Type | TFT | TFT |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Po | Li-Ion |
| Main Camera | ||
| Main Camera Type | Single | Single |
| Main Camera Properties |
|
|
| Main Camera Video | 320p@15fps | Yes |
| Comms | ||
| WLAN | No | No |
| Bluetooth | 2.0, A2DP | 2.0, A2DP |
| GPS | - | - |
| Radio | Stereo FM radio, RDS | Stereo FM radio, RDS |
| USB | 2.0 | Proprietary |
| Sound | ||
| Loudspeaker | + | + |
| 3.5mm jack | - | + |
| Misc | ||
| Colors |
|
|
| SAR Head (W/kg) | 0.66 | 1.35 |
| SAR Body (W/kg) | 0.84 | 0.77 |
| Phonebook | 1000 x 20 fields, Photo call | 1000 entries |
| Call records | 30 received, dialed and missed calls | 20 dialed, 20 received, 20 missed calls |
| Alert types | Vibration; Downloadable polyphonic, MP3, AAC ringtones | Vibration; Downloadable polyphonic, MP3, AAC ringtones |
| Features | ||
| Messaging | SMS, MMS, Email, Instant Messaging | SMS, MMS |
| Browser | WAP 2.0/HTML (NetFront 3.4), RSS reader | WAP 2.0/xHTML |
| Games | Brain Juice, Investigators, Tennis Multiplayer | Yes |
| Java | Yes, MIDP 2.0 | Yes, MIDP 2.0 |
| Stand-by (h) | 350 | 250 |
| Talk time (h) | Up to 8 h 30 min | Up to 7 h 30 min |
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