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| Phone | Nokia N81 | Huawei Prism II | HTC Amaze 4G | Microsoft Lumia 550 | Motorola T720 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
3.5" diag. 5 : 3 |
4.3" diag. 16 : 9 |
4.7" diag. 16 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,050 mAh | 1,750 mAh | 1,730 mAh | 2,100 mAh | ? |
| Processor | 369 MHz ARM 11 | 1 GHz Qualcomm Snapdragon S1 MSM7225A | 1.5 GHz Qualcomm Snapdragon S3 dual-core | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? |
| RAM | ? | 512 MB | 1 GB | 1 GB | ? |
| Storage | 8 GB * | 4 GB | 16 GB | 8 GB | ? raw hardware |
| Main Camera | 2 megapixel | 3 megapixel | 8 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | VGA (640 x 480) | WVGA / 480p | 1080p HD | 720p HD | - |
| Front Camera | - | - | 2 megapixel | 2 megapixel | - |
| Weight |
4.94 oz (140g) |
3.88 oz (110g) |
6.1 oz (173g) |
5.01 oz (142g) |
3.95 oz (112g) |
| Dimensions |
4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm) |
4.61" x 2.44" x 0.49" (117 x 62 x 12.4 mm) |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm) |
3.5" x 1.87" x 0.91" (89 x 47 x 23.1 mm) |
| Form Factor | Slide | Slab | Slab | Slab | Clamshell |
| Platform / OS | S60 (Symbian) | Android | Android | Windows | (proprietary) |
| Network Bands |
WCDMA: 1 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | EDGE | HSPA 7.2 | HSPA+ 42 | LTE (Cat 4) | 1xRTT |
| Features | |||||
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | n/a | n/a | n/a | n/a | Yes |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Ringer Profiles | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | n/a | n/a | n/a | - |
| NFC | - | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||||
| Picture ID | n/a | n/a | n/a | n/a | - |
| Ringer ID | n/a | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | - | - | Yes |
| Custom Graphics | n/a | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes * | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | n/a | n/a | n/a | Yes |
| EMS / Picture Messaging | n/a | n/a | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | n/a | - |
| Text Messaging Templates | n/a | n/a | n/a | n/a | Yes |
| Music | |||||
| FM Radio | Yes | Yes | Yes | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | - |
| Music Player | n/a | n/a | n/a | n/a | - |
| Stereo Speakers | Yes | - | - | - | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Video Calling | n/a | n/a | n/a | n/a | - |
| Productivity | |||||
| Alarm | n/a | n/a | n/a | n/a | - |
| Calculator | n/a | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | n/a | - |
| Voice Memo | n/a | n/a | n/a | n/a | Yes |
| Software | |||||
| BREW | n/a | n/a | n/a | n/a | Yes * |
| Games | n/a | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | n/a | - |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | n/a | Yes |
| Push-To-Talk | Yes * | - | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| Nokia N81 | Huawei Prism II | HTC Amaze 4G | Microsoft Lumia 550 | Motorola T720 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia N81 | Huawei Prism II | HTC Amaze 4G | Microsoft Lumia 550 | Motorola T720 (CDMA) |
