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| Phone | Palm Treo 650 (CDMA) | Coolpad Conjr | Samsung Galaxy S II Skyrocket | Nokia Lumia 521 / 520 | HTC G2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
4.5" diag. 5 : 3 |
4" diag. 5 : 3 |
3.7" diag. 5 : 3 |
| Display Resolution & Type |
320 x 320 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~207 ppi) AMOLED |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | ? | 2,500 mAh | 1,850 mAh | 1,430 mAh | 1,300 mAh |
| Processor | 312 MHz Intel XScale PXA270 | 1 GHz MediaTek MT6735 | 1.5 GHz Qualcomm Snapdragon S3 APQ8060 | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 800 MHz Qualcomm S2 MSM7230 |
| RAM | ? | 3 GB | 1 GB | 512 MB | ? |
| Storage | ? raw hardware | 16 GB | 16 GB | 8 GB | ? raw hardware |
| Main Camera | Yes | 13 megapixel | 8 megapixel | 5 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 1080p HD | 1080p HD | 720p HD | 720p HD |
| Front Camera | - | 8 megapixel | 2 megapixel | - | - |
| Weight |
6.3 oz (179g) |
5.14 oz (146g) |
4.71 oz (133g) |
4.39 oz (124g) |
6.5 oz (184g) |
| Dimensions |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
5.72" x 2.86" x 0.35" (145 x 73 x 8.8 mm) |
5.12" x 2.72" x 0.35" (130 x 69 x 9 mm) |
4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
| Platform / OS | Palm OS | Android | Android | Windows | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 4) | LTE (Cat 3) | HSPA+ 21 | HSPA 14.4 |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | - | - | - |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - | - |
| NFC | - | - | Yes | - | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes |
Yes 4 (802.11 b,g,n) |
| Data & Network | |||||
| Dual-SIM | - | Yes | - | - | - |
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | Yes |
| Touch Screen | Yes |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | Yes |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Voice | |||||
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Palm Treo 650 (CDMA) | Coolpad Conjr | Samsung Galaxy S II Skyrocket | Nokia Lumia 521 / 520 | HTC G2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Palm Treo 650 (CDMA) | Coolpad Conjr | Samsung Galaxy S II Skyrocket | Nokia Lumia 521 / 520 | HTC G2 |
