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| Phone | ZTE Whirl | TCL 20 Pro 5G | Apple iPhone 4 (GSM) | Samsung SPH-i550 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
6.7" diag. 20 : 9 |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~395 ppi) AMOLED |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | ? |
| Battery | 1,300 mAh | 4,500 mAh | ? | ? |
| Processor | 1 GHz Qualcomm Snapdragon S1 MSM7225A | 2 GHz Qualcomm Snapdragon 750G | Apple A4 | 200 MHz Motorola MX-1 |
| RAM | 512 MB | 6 GB | ? | ? |
| Storage | 4 GB | 256 GB | 32 GB * | ? raw hardware |
| Main Camera | 3 megapixel | 48 megapixel | 5 megapixel | 1 megapixel |
| Wide Camera | - | 16 megapixel | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | 4K UHD | 720p HD | ? |
| Front Camera | - | 32 megapixel | Yes | - |
| Weight |
4.2 oz (119g) |
6.82 oz (193g) |
4.8 oz (136g) |
? |
| Dimensions |
4.57" x 2.4" x 0.5" (116 x 61 x 12.7 mm) |
6.46" x 2.87" x 0.36" (164 x 73 x 9.1 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm) |
| Platform / OS | Android | Android | iOS | Palm OS |
| Network Bands |
WCDMA: 2, 4, 5 GSM: 850, 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 |
WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | ? | NR (5G) | HSPA 7.2 | 1xRTT |
| Features | ||||
| Barometer | - | Yes | - | - |
| Fingerprint Reader | - |
Yes in-display (optical) |
- | - |
| Flashlight | - | Yes | - | - |
| Water-Resistant | - |
Yes IPX2 (drip) |
- | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Infrared (IR) | - | Yes | - | Yes |
| NFC | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | Yes |
Yes Capacitive |
Yes Capacitive |
Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Wireless Charging | - | Yes | - | - |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| ZTE Whirl | TCL 20 Pro 5G | Apple iPhone 4 (GSM) | Samsung SPH-i550 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Whirl | TCL 20 Pro 5G | Apple iPhone 4 (GSM) | Samsung SPH-i550 |
