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| Phone | BlackBerry Curve 3G 9330 | HTC Amaze 4G | Samsung Galaxy A21 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.5" diag. 4 : 3 |
4.3" diag. 16 : 9 |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
320 x 240 pixels (~160 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~256 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | 1,150 mAh | 1,730 mAh | 4,000 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S3 dual-core | 2 GHz MediaTek Helio P35 (MT6765) |
| RAM | ? | 1 GB | 3 GB |
| Storage | ? raw hardware | 16 GB | 32 GB |
| Main Camera | 2 megapixel | 8 megapixel | 16 megapixel |
| Wide Camera | - | - | 8 megapixel |
| Tele Camera | - | - | - |
| Video Capture | ? | 1080p HD | 1080p HD |
| Front Camera | - | 2 megapixel | 13 megapixel |
| Weight |
3.7 oz (105g) |
6.1 oz (173g) |
6.81 oz (193g) |
| Dimensions |
4.29" x 2.36" x 0.55" (109 x 60 x 14 mm) |
5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm) |
6.61" x 3.02" x 0.32" (168 x 77 x 8.1 mm) |
| Platform / OS | BlackBerry OS | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | HSPA+ 42 | LTE (Cat 6) |
| Features | |||
| Fingerprint Reader | - | - |
Yes stand-alone |
| Flashlight | - | Yes | Yes |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi |
Yes 802.11 b,g |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Music | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Photo & Video | |||
| DLNA | - | Yes | - |
| TV Output | - | Yes | - |
| Power | |||
| Fast Charging | - | - | Yes |
| Voice | |||
| HD Voice | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| BlackBerry Curve 3G 9330 | HTC Amaze 4G | Samsung Galaxy A21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry Curve 3G 9330 | HTC Amaze 4G | Samsung Galaxy A21 |
