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| Phone | Samsung MM-A900 / SPH-A900 / Ace | Samsung SCH-A310 | HTC Amaze 4G | Cal-Comp EZ |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
4.3" diag. 16 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (Grayscale) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | ? | 1,730 mAh | 800 mAh |
| Processor | ? | ? | 1.5 GHz Qualcomm Snapdragon S3 dual-core | ? |
| RAM | ? | ? | 1 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | 1 megapixel | - | 8 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | 1080p HD | - |
| Front Camera | - | - | 2 megapixel | - |
| Weight |
3.9 oz (111g) |
3.2 oz (91g) |
6.1 oz (173g) |
2.47 oz (70g) |
| Dimensions |
3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm) |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | EVDO r0 | 1xRTT | HSPA+ 42 | 1xRTT |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | Yes | n/a | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| Mobile Hotspot | - | - | n/a | - |
| NFC | - | - | Yes | - |
| USB | Yes | Yes | Yes |
Yes Mini-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | - | n/a | - |
| Ringer ID | Yes | - | n/a | - |
| Voice Dialing | Yes | Yes | n/a | - |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | Yes | - | n/a | - |
| Custom Ringtones | Yes | - | n/a | - |
| Real-Music Ringers | - | - | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | - |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | - |
| Side Keys | Yes | Yes | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | - | n/a | - |
| Instant Messaging | - | - | n/a | - |
| MMS | - | - | n/a | - |
| Text Messaging Templates | Yes | - | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | Yes | - | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | - | n/a | Yes |
| Calculator | Yes | - | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | Yes * |
| Software | ||||
| Games | Yes | Yes | n/a | - |
| Java (J2ME) | Yes | - | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | n/a | Yes |
| Speaker Phone | Yes | - | Yes | - |
| * Some versions only | ||||
| Samsung MM-A900 / SPH-A900 / Ace | Samsung SCH-A310 | HTC Amaze 4G | Cal-Comp EZ | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung MM-A900 / SPH-A900 / Ace | Samsung SCH-A310 | HTC Amaze 4G | Cal-Comp EZ |
