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| Phone | Samsung SGH-X640 | Motorola Rival A455 | Nokia 2651 | BlackBerry Curve 3G 9330 | Samsung Galaxy Note20 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
? |
2.5" diag. 4 : 3 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels (~131 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
320 x 240 pixels (~160 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 940 mAh | 760 mAh | 1,150 mAh | 4,300 mAh |
| Processor | ? | ? | ? | ? | 3.1 GHz Qualcomm Snapdragon 865+ |
| RAM | ? | ? | ? | ? | 8 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | Yes | 2 megapixel | - | 2 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - | 64 megapixel |
| Video Capture | - | QVGA (320 x 240) | - | ? | 8K |
| Front Camera | - | - | - | - | 10 megapixel |
| Weight |
3 oz (85g) |
4.48 oz (127g) |
3.4 oz (96g) |
3.7 oz (105g) |
6.84 oz (194g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) |
3.35" x 1.81" x 0.9" (85 x 46 x 22.9 mm) |
4.29" x 2.36" x 0.55" (109 x 60 x 14 mm) |
6.36" x 2.96" x 0.33" (162 x 75 x 8.3 mm) |
| Form Factor | Clamshell | Slide | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | BlackBerry OS | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 850, 1900 |
CDMA: 850, 1900 |
5G: 2, 5, 12, 25, 41, 66, 71, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | EVDO r0 | GPRS | EVDO r0 | NR (5G) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes in-display (ultrasonic) |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | - | Yes | - | n/a | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | - | - | - | n/a | n/a |
| Hearing Aid Compatible | - | Yes | - | Yes | Yes |
| Multiple Languages | Yes | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - |
Yes Classic Audio |
- |
Yes Classic Audio |
Yes Classic Audio |
| NFC | - | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
- |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | - | n/a | n/a |
| Ringer ID | Yes | Yes | - | n/a | n/a |
| Voice Dialing | - | Yes | - | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | - | n/a | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | - | Yes | n/a | n/a |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Stylus | - | - | - | - | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes | - |
| Touch Screen | - | Yes | - | - | Yes |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | - | Yes | Yes | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | Yes | n/a | n/a |
| Instant Messaging | - | Yes | - | n/a | n/a |
| MMS | Yes | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | - | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | - | Yes | - | n/a | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Wireless Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | Yes | - | - | n/a | n/a |
| Voice Memo | Yes | Yes | - | n/a | n/a |
| Software | |||||
| BREW | - | Yes | - | n/a | n/a |
| Games | Yes | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | - | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | - | n/a | n/a |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| Samsung SGH-X640 | Motorola Rival A455 | Nokia 2651 | BlackBerry Curve 3G 9330 | Samsung Galaxy Note20 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Motorola Rival A455 | Nokia 2651 | BlackBerry Curve 3G 9330 | Samsung Galaxy Note20 |
