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| Phone | HTC Desire 555 | Samsung SGH-T369 | Samsung Galaxy S21 | Ericsson R520 |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
2.5" diag. 4 : 3 |
6.2" diag. 20 : 9 |
? |
| Display Resolution & Type |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~160 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
? |
| Display Refresh | 60 Hz | ? | 120 Hz | ? |
| Battery | 2,200 mAh | 1,000 mAh | 4,000 mAh | ? |
| Processor | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | 2.8 GHz Qualcomm Snapdragon 888 | ? |
| RAM | 2 GB | ? | 8 GB | ? |
| Storage | 16 GB | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | 8 megapixel | 1 megapixel | 12 megapixel | - |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 64 megapixel | - |
| Video Capture | 720p HD | QCIF (176 x 144) | 8K | - |
| Front Camera | 5 megapixel | - | 10 megapixel | - |
| Weight |
4.93 oz (140g) |
3.95 oz (112g) |
6.03 oz (171g) |
4.23 oz (120g) |
| Dimensions |
5.78" x 2.79" x 0.33" (147 x 71 x 8.4 mm) |
4.46" x 2.1" x 0.59" (113 x 53 x 15 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 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: 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | EDGE | NR (5G) | GPRS |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | Yes | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes * M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| NFC | - | - | Yes | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | - |
| Ringer ID | n/a | Yes | n/a | - |
| Voice Dialing | n/a | - | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | - |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Instant Messaging | n/a | Yes | n/a | - |
| MMS | n/a | Yes | n/a | - |
| Text Messaging Templates | n/a | Yes | n/a | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | Yes | n/a | - |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| Miracast | Yes | - | - | - |
| TV Output | - | - | 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 |
| To-Do List | n/a | Yes | n/a | - |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | Yes | n/a | - |
| Voice | ||||
| HD Voice | Yes | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| HTC Desire 555 | Samsung SGH-T369 | Samsung Galaxy S21 | Ericsson R520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC Desire 555 | Samsung SGH-T369 | Samsung Galaxy S21 | Ericsson R520 |
