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| Phone | Samsung Galaxy S21 | Samsung Memoir SGH-T929 | LG Spectrum | Samsung SCH-A310 | Sanyo RL-4920 |
| Current U.S. Carriers | Verizon | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
6.2" diag. 20 : 9 |
3.1" diag. 5 : 3 |
4.5" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
1080 x 2400 pixels (~424 ppi) AMOLED |
240 x 400 pixels (~150 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (Grayscale) |
128 x 112 pixels LCD (Color) |
| Display Refresh | 120 Hz | ? | 60 Hz | ? | ? |
| Battery | 4,000 mAh | ? | 1,830 mAh | ? | 1,700 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | ? | 1.5 GHz Qualcomm Snapdragon S3 | ? | ? |
| RAM | 8 GB | ? | 1 GB | ? | ? |
| Storage | 128 GB * | ? raw hardware | 4 GB | ? raw hardware | ? raw hardware |
| Main Camera | 12 megapixel | 8 megapixel | 8 megapixel | - | - |
| Wide Camera | 12 megapixel | - | - | - | - |
| Tele Camera | 64 megapixel | - | - | - | - |
| Video Capture | 8K | ? | 1080p HD | - | - |
| Front Camera | 10 megapixel | - | 1 megapixel | - | - |
| Weight |
6.03 oz (171g) |
4.4 oz (125g) |
4.99 oz (141g) |
3.2 oz (91g) |
4.03 oz (114g) |
| Dimensions |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
4.17" x 2.11" x 0.55" (106 x 54 x 14 mm) |
5.33" x 2.71" x 0.42" (135 x 69 x 10.7 mm) |
3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm) |
4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
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 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | NR (5G) | HSDPA 3.6 | LTE (Cat 3) | 1xRTT | 1xRTT |
| Features | |||||
| Barometer | Yes | - | - | - | - |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
- | - | - | - |
| Flashlight | Yes | - | - | - | - |
| GPS / Location | n/a | Yes | n/a | Yes | Yes |
| Water-Resistant |
Yes IPX8 (SCUBA) |
- | - | - | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
- | - |
| Multiple Languages | n/a | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | - | - |
| Mobile Hotspot | n/a | - | n/a | - | - |
| NFC | Yes | - | - | - | - |
| USB |
Yes USB Type C |
Yes |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | - | Yes |
| Ringer ID | n/a | - | n/a | - | Yes |
| Voice Dialing | n/a | Yes | n/a | Yes | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | - | Yes | - |
| Custom Graphics | n/a | Yes | n/a | - | Yes |
| Custom Ringtones | n/a | Yes | n/a | - | Yes |
| Real-Music Ringers | n/a | Yes | n/a | - | - |
| Data & Network | |||||
| Data Tethering | n/a | - | n/a | Yes | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | - |
| Messaging | |||||
| Email Client | n/a | Yes | n/a | - | - |
| Instant Messaging | n/a | Yes | n/a | - | - |
| MMS | n/a | Yes | n/a | - | - |
| Text Messaging Templates | n/a | Yes | n/a | - | - |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | n/a | Yes | n/a | - | - |
| Stereo Speakers | Yes | - | - | - | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | Yes | Yes | Yes | - | - |
| Power | |||||
| Fast Charging | Yes | - | - | - | - |
| Wireless Charging | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | - | Yes |
| Calculator | n/a | Yes | n/a | - | Yes |
| Calendar | n/a | Yes | n/a | Yes | Yes |
| To-Do List | n/a | Yes | n/a | - | Yes |
| Voice Memo | n/a | Yes | n/a | Yes | Yes |
| Software | |||||
| Games | n/a | Yes | n/a | Yes | Yes |
| Java (J2ME) | n/a | - | n/a | - | Yes |
| Voice | |||||
| Call Screening | - | - | - | - | Yes |
| HD Voice | Yes | - | - | - | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | Yes | Yes |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| Samsung Galaxy S21 | Samsung Memoir SGH-T929 | LG Spectrum | Samsung SCH-A310 | Sanyo RL-4920 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21 | Samsung Memoir SGH-T929 | LG Spectrum | Samsung SCH-A310 | Sanyo RL-4920 |
