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| Phone | Samsung Galaxy S II Skyrocket | Palm Pre 2 (GSM) | TCL 20 Pro 5G | Sony Xperia XZ2 Compact |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 5 : 3 |
3.1" diag. 5 : 3 |
6.7" diag. 20 : 9 |
5" diag. 18 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~207 ppi) AMOLED |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~395 ppi) AMOLED |
1080 x 2160 pixels (~483 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,850 mAh | 1,150 mAh | 4,500 mAh | 2,870 mAh |
| Processor | 1.5 GHz Qualcomm Snapdragon S3 APQ8060 | 1 GHz TI 3630 | 2 GHz Qualcomm Snapdragon 750G | Qualcomm Snapdragon 845 |
| RAM | 1 GB | ? | 6 GB | 4 GB |
| Storage | 16 GB | ? raw hardware | 256 GB | 64 GB |
| Main Camera | 8 megapixel | 5 megapixel | 48 megapixel | 19 megapixel |
| Wide Camera | - | - | 16 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | VGA (640 x 480) | 4K UHD | 4K UHD |
| Front Camera | 2 megapixel | - | 32 megapixel | 5 megapixel |
| Weight |
4.71 oz (133g) |
5.1 oz (145g) |
6.82 oz (193g) |
5.9 oz (167g) |
| Dimensions |
5.12" x 2.72" x 0.35" (130 x 69 x 9 mm) |
3.96" x 2.35" x 0.67" (101 x 60 x 17 mm) |
6.46" x 2.87" x 0.36" (164 x 73 x 9.1 mm) |
5.33" x 2.54" x 0.47" (135 x 65 x 11.9 mm) |
| Platform / OS | Android | webOS | Android | Android |
| Network Bands |
4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 7, 41, 66, 71, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 29, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 3) | HSDPA 3.6 | NR (5G) | LTE (Cat 18) |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes in-display (optical) |
Yes stand-alone |
| Flashlight | - | - | Yes | Yes |
| Water-Resistant | - | - |
Yes IPX2 (drip) |
Yes IPX5 (direct spray) |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | - | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Infrared (IR) | - | - | Yes | - |
| NFC | Yes | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Data & Network | ||||
| Dual-SIM | - | - | - | Yes |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | Yes | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| DLNA | Yes | - | - | Yes |
| Miracast | - | - | - | Yes |
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | - | - | Yes | Yes |
| Wireless Charging | - | - | Yes | - |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Galaxy S II Skyrocket | Palm Pre 2 (GSM) | TCL 20 Pro 5G | Sony Xperia XZ2 Compact | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S II Skyrocket | Palm Pre 2 (GSM) | TCL 20 Pro 5G | Sony Xperia XZ2 Compact |
