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| Phone | Samsung Galaxy S21 | Alcatel Idol 4S | HTC Shadow | Samsung Galaxy S9+ |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.2" diag. 20 : 9 |
5.5" diag. 16 : 9 |
2.6" diag. 4 : 3 |
6.2" diag. 18.5 : 9 |
| Display Resolution & Type |
1080 x 2400 pixels (~424 ppi) AMOLED |
1440 x 2560 pixels (~534 ppi) AMOLED |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
1440 x 2960 pixels (~531 ppi) AMOLED |
| Display Refresh | 120 Hz | 60 Hz | ? | 60 Hz |
| Battery | 4,000 mAh | 3,000 mAh | 920 mAh | 3,500 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | 1.8 GHz Qualcomm Snapdragon 652 (MSM8976) | 200 MHz OMAP 850 | 2.8 GHz Qualcomm Snapdragon 845 |
| RAM | 8 GB | 3 GB | ? | 6 GB |
| Storage | 128 GB * | 32 GB | ? raw hardware | 64 GB |
| Main Camera | 12 megapixel | 16 megapixel | 2 megapixel | 12 megapixel |
| Wide Camera | 12 megapixel | - | - | - |
| Tele Camera | 64 megapixel | - | - | 12 megapixel |
| Video Capture | 8K | 4K UHD | ? | 4K UHD |
| Front Camera | 10 megapixel | 8 megapixel | - | 8 megapixel |
| Weight |
6.03 oz (171g) |
5.26 oz (149g) |
5.29 oz (150g) |
6.67 oz (189g) |
| Dimensions |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
6.06" x 2.97" x 0.28" (154 x 75 x 7 mm) |
4.06" x 2.09" x 0.59" (103 x 53 x 15 mm) |
6.22" x 2.91" x 0.33" (158 x 74 x 8.5 mm) |
| Platform / OS | Android | Android | Windows Mobile Standard | Android |
| 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 |
4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | NR (5G) | LTE (Cat 4) | EDGE | LTE (Cat 18) |
| Features | ||||
| Barometer | Yes | - | - | Yes |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
Yes * | - |
Yes stand-alone |
| Flashlight | Yes | Yes | - | Yes |
| VR-ready | - | - | - | Yes |
| Water-Resistant |
Yes IPX8 (SCUBA) |
- | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | - | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| MirrorLink | - | - | - | Yes |
| NFC | Yes | Yes | - | Yes |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes Mini-USB |
Yes USB Type C |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
| Data & Network | ||||
| Dual-SIM | - | Yes * | - | - |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | Yes | Yes | - | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes * |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Stereo Speakers | Yes | Yes | - | Yes |
| Photo & Video | ||||
| Miracast | - | Yes | - | - |
| TV Output | Yes | - | - | Yes |
| Power | ||||
| Fast Charging | Yes | Yes | - | Yes |
| Wireless Charging | Yes | - | - | Yes |
| Voice | ||||
| HD Voice | Yes | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Galaxy S21 | Alcatel Idol 4S | HTC Shadow | Samsung Galaxy S9+ | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21 | Alcatel Idol 4S | HTC Shadow | Samsung Galaxy S9+ |
