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| Phone | Sony Xperia Z3 Compact | Samsung DoubleTime | Samsung Galaxy S21 |
| Current U.S. Carriers | (none) | (none) | Verizon |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4.6" diag. 16 : 9 |
3.2" diag. 5 : 3 |
6.2" diag. 20 : 9 |
| Display Resolution & Type |
720 x 1280 pixels (~319 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | 120 Hz |
| Battery | 2,600 mAh | 1,200 mAh | 4,000 mAh |
| Processor | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) | 600 MHz Qualcomm | 2.8 GHz Qualcomm Snapdragon 888 |
| RAM | 2 GB | ? | 8 GB |
| Storage | 16 GB | ? raw hardware | 128 GB * |
| Main Camera | 20 megapixel | 3 megapixel | 12 megapixel |
| Wide Camera | - | - | 12 megapixel |
| Tele Camera | - | - | 64 megapixel |
| Video Capture | 4K UHD | QVGA (320 x 240) | 8K |
| Front Camera | 2 megapixel | - | 10 megapixel |
| Weight |
4.55 oz (129g) |
5.22 oz (148g) |
6.03 oz (171g) |
| Dimensions |
5" x 2.56" x 0.34" (127 x 65 x 8.6 mm) |
4.45" x 2.44" x 0.59" (113 x 62 x 15 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
| Platform / OS | Android | Android | Android |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | HSPA 7.2 | NR (5G) |
| Features | |||
| Barometer | - | - | Yes |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
| Flashlight | - | - | Yes |
| Ruggedized | Yes | - | - |
| Water-Resistant |
Yes IPX8 (SCUBA) |
- |
Yes IPX8 (SCUBA) |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | Yes | - | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - |
| Stereo Speakers | Yes | - | Yes |
| Photo & Video | |||
| DLNA | Yes | - | - |
| Miracast | Yes | - | - |
| TV Output | Yes | - | Yes |
| Power | |||
| Fast Charging | Yes | - | Yes |
| Wireless Charging | - | - | Yes |
| Voice | |||
| Call Screening | Yes | - | - |
| HD Voice | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Sony Xperia Z3 Compact | Samsung DoubleTime | Samsung Galaxy S21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Xperia Z3 Compact | Samsung DoubleTime | Samsung Galaxy S21 |
