Compare Phones
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| Phone | HTC SDA (USA) / SP5m (Tornado) | Nokia Lumia 521 / 520 | ZTE Avid 4 | LG Optimus L90 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
4" diag. 5 : 3 |
5" diag. 16 : 9 |
4.7" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~234 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz |
| Battery | ? | 1,430 mAh | 2,520 mAh | 2,460 mAh |
| Processor | ? | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 1.2 GHz Qualcomm Snapdragon 400 MSM8226 |
| RAM | ? | 512 MB | 2 GB | 1 GB |
| Storage | ? raw hardware | 8 GB | 16 GB | 8 GB |
| Main Camera | 1 megapixel | 5 megapixel | 8 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | 720p HD | 720p HD | 1080p HD |
| Front Camera | - | - | 5 megapixel | Yes |
| Weight |
3.74 oz (106g) |
4.39 oz (124g) |
5.6 oz (159g) |
4.37 oz (124g) |
| Dimensions |
4.53" x 1.82" x 0.69" (115 x 46 x 17.5 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
5.7" x 2.8" x 0.36" (145 x 71 x 9.1 mm) |
5.18" x 2.6" x 0.38" (132 x 66 x 9.7 mm) |
| Platform / OS | Windows Mobile Standard | Windows | Android | Android |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EDGE | HSPA+ 21 | LTE (Cat 4) | HSPA+ 21 |
| Features | ||||
| Flashlight | - | - | Yes | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | Yes |
| USB |
Yes Mini-USB |
Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | Yes | Yes |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| HTC SDA (USA) / SP5m (Tornado) | Nokia Lumia 521 / 520 | ZTE Avid 4 | LG Optimus L90 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC SDA (USA) / SP5m (Tornado) | Nokia Lumia 521 / 520 | ZTE Avid 4 | LG Optimus L90 |
