Comparison of Sony CM-DX 1000 and Ericsson GF 337 [S]ave
| Attribute |  Sony CM-DX 1000 × | Ericsson GF 337 × |
|---|---|---|
| General | ||
| Brand | Sony | Ericsson |
| Launch | ||
| Announced | 1997-01-01 | 1995-01-01 |
| Body | ||
| Width (mm) | 32 | 24 |
| Length (mm) | 150 | 130 |
| Height (mm) | 45 | 49 |
| Weight (g) | 235 | 193 |
| SIM | Mini-SIM | Mini-SIM |
| Network | ||
| Technology |
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|
| 2G bands |
|
|
| Memory | ||
| Card slot | No | No |
| Display | ||
| Resolution (px) | 4 x 16 chars | 3 x 12 chars |
| Display Type | Monochrome graphic | Alphanumeric |
| Battery | ||
| Type | Removable | Removable |
| Capcity (mAh) | Li-Ion | NiMH |
| Comms | ||
| WLAN | No | No |
| Bluetooth | No | No |
| GPS | - | - |
| Radio | No | No |
| Sound | ||
| Loudspeaker | - | - |
| 3.5mm jack | - | - |
| Phonebook | 100 | No |
| Alert types | Monophonic ringtones | Monophonic ringtones |
| Features | ||
| Messaging | SMS | SMS(Receive only) |
| Clock | No | Yes |
| Alarm | No | Yes |
| Games | No | No |
| Java | No | No |
| Stand-by (h) | 70 | 25 |
| Talk time (h) | 10 h | 110 min |
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