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| Phone | Samsung Impression SGH-A877 | Samsung Wafer R510 | BlackBerry Classic (CDMA) | Samsung Galaxy S21 | Samsung SGH-X507 / X506 |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3.2" diag. 5 : 3 |
1.9" diag. 4 : 3 |
3.5" diag. 1 : 1 |
6.2" diag. 20 : 9 |
? |
| Display Resolution & Type |
240 x 400 pixels (~146 ppi) AMOLED |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
720 x 720 pixels (~291 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 120 Hz | ? |
| Battery | 1,000 mAh | 800 mAh | 2,515 mAh | 4,000 mAh | 800 mAh |
| Processor | ? | ? | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | 2.8 GHz Qualcomm Snapdragon 888 | ? |
| RAM | ? | ? | 2 GB | 8 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | 128 GB * | ? raw hardware |
| Main Camera | 3 megapixel | 1 megapixel | 8 megapixel | 12 megapixel | - |
| Wide Camera | - | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | 64 megapixel | - |
| Video Capture | QVGA (320 x 240) | ? | 1080p HD | 8K | - |
| Front Camera | - | - | 2 megapixel | 10 megapixel | - |
| Weight |
5.2 oz (147g) |
2.47 oz (70g) |
6.28 oz (178g) |
6.03 oz (171g) |
2.9 oz (82g) |
| Dimensions |
4.48" x 2.28" x 0.64" (114 x 58 x 16.3 mm) |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
5.16" x 2.85" x 0.4" (131 x 72 x 10.2 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
3.3" x 1.75" x 0.75" (84 x 44 x 19.1 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | BlackBerry 10 | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 3, 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 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 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | EVDO r0 | LTE (Cat 3) | NR (5G) | EDGE |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | Yes | Yes | n/a | n/a | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | n/a | - |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | - |
| Multiple Languages | Yes | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Ringer Profiles | Yes | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| Mobile Hotspot | - | - | n/a | n/a | - |
| NFC | - | - | Yes | Yes | - |
| USB | Yes | - |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | - | n/a | n/a | Yes |
| Voice Dialing | - | Yes | n/a | n/a | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | - | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | Yes | - | n/a | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | Yes | - | - |
| Touch Screen | Yes | - | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | Yes | - | n/a | n/a | Yes * |
| EMS / Picture Messaging | - | - | n/a | n/a | Yes |
| Instant Messaging | Yes | - | n/a | n/a | Yes |
| MMS | Yes | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | - | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | Yes | Yes | n/a | n/a | - |
| Stereo Speakers | - | Yes | - | Yes | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | - | Yes | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes |
| Calculator | Yes | Yes | n/a | n/a | Yes |
| Calendar | Yes | Yes | n/a | n/a | Yes |
| To-Do List | Yes | - | n/a | n/a | - |
| Voice Memo | Yes | Yes | n/a | n/a | Yes |
| Software | |||||
| BREW | - | Yes | n/a | n/a | - |
| Games | Yes | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | - | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | - | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung Impression SGH-A877 | Samsung Wafer R510 | BlackBerry Classic (CDMA) | Samsung Galaxy S21 | Samsung SGH-X507 / X506 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Impression SGH-A877 | Samsung Wafer R510 | BlackBerry Classic (CDMA) | Samsung Galaxy S21 | Samsung SGH-X507 / X506 |
