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| Phone | Samsung Transform | HTC EVO 4G | Samsung SPH-Z400 | Samsung Finesse R810 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
4.3" diag. 5 : 3 |
1.9" diag. 4 : 3 |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~150 ppi) LCD (TFT/TFD) |
240 x 400 pixels (~146 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,500 mAh | 1,500 mAh | 1,300 mAh | 1,000 mAh |
| Processor | 800 MHz Samsung S3C6410, Qualcomm QSC6085 | 1 GHz Qualcomm Snapdragon S1 QSD8650 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 8 megapixel | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 720p HD | QCIF (176 x 144) | ? |
| Front Camera | Yes | Yes | - | - |
| Weight |
5.37 oz (152g) |
6 oz (170g) |
4.06 oz (115g) |
3.63 oz (103g) |
| Dimensions |
4.61" x 2.42" x 0.61" (117 x 61 x 15.5 mm) |
4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm) |
3.73" x 1.91" x 1" (95 x 49 x 25.4 mm) |
4.56" x 2.29" x 0.49" (116 x 58 x 12.4 mm) |
| Form Factor | Slide | Slab | Clamshell | Slab |
| Platform / OS | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G WiMAX: 41 CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | EVDO rA | WiMAX | EVDO rA | EVDO r0 |
| Features | ||||
| GPS / Location | n/a | n/a | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | Yes | - |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes |
Yes M4 (very compatible) |
Yes M4 (very compatible) |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | 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 802.11 b,g |
- | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | - |
| Voice Dialing | n/a | n/a | Yes | 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 | - |
| 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 |
| Stylus | - | - | - | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | Yes | Yes |
| Instant Messaging | n/a | n/a | - | Yes |
| MMS | n/a | n/a | - | Yes |
| Text Messaging Templates | n/a | n/a | Yes | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Music Player | n/a | n/a | - | Yes |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | 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 | ||||
| Headset Jack (2.5 mm) | n/a | n/a | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Transform | HTC EVO 4G | Samsung SPH-Z400 | Samsung Finesse R810 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Transform | HTC EVO 4G | Samsung SPH-Z400 | Samsung Finesse R810 |
