Compare Phones
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| Phone | Huawei W1 | Samsung Transform Ultra | Samsung SGH-D900 / Black Carbon | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
3.5" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 1,950 mAh | 1,500 mAh | 800 mAh | 1,000 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8230 | 1 GHz Qualcomm Snapdragon S2 MSM8655 | ? | ? |
| RAM | 512 MB | ? | ? | ? |
| Storage | 4 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | 3 megapixel | 3 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | VGA (640 x 480) | ? | ? |
| Front Camera | Yes | Yes | - | - |
| Weight |
4.41 oz (125g) |
4.9 oz (139g) |
3.28 oz (93g) |
4.4 oz (125g) |
| Dimensions |
4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm) |
4.5" x 2.4" x 0.55" (114 x 61 x 14 mm) |
4.07" x 2.01" x 0.51" (103 x 51 x 13 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Slab | Slide | Slide | Clamshell |
| Platform / OS | Windows | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSPA+ 21 | EVDO rA | EDGE | EVDO r0 |
| Features | ||||
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | n/a | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | - |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - | - |
| USB |
Yes Micro-USB |
Yes | Yes | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | - | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes | Yes |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | Yes |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | Yes | - |
| EMS / Picture Messaging | n/a | n/a | Yes | Yes |
| Instant Messaging | n/a | n/a | - | - |
| MMS | n/a | n/a | Yes | Yes |
| Text Messaging Templates | n/a | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | Yes | Yes |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | - | - | Yes | Yes |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | Yes | - |
| Voice Memo | n/a | n/a | Yes | Yes |
| Software | ||||
| BREW | n/a | n/a | - | Yes |
| Games | n/a | n/a | Yes | Yes |
| Java (J2ME) | n/a | n/a | Yes | - |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| Huawei W1 | Samsung Transform Ultra | Samsung SGH-D900 / Black Carbon | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Huawei W1 | Samsung Transform Ultra | Samsung SGH-D900 / Black Carbon | Samsung SCH-A990 |
