Compare Phones
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| Phone | Samsung Galaxy S II Skyrocket | Samsung Galaxy Z Fold4 | Samsung Galaxy Note 4 (CDMA) | Samsung Galaxy Note20 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 5 : 3 |
7.6" diag. 4 : 3 |
5.7" diag. 16 : 9 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~207 ppi) AMOLED |
1812 x 2176 pixels (~373 ppi) AMOLED |
1440 x 2560 pixels (~515 ppi) AMOLED |
1080 x 2400 pixels (~393 ppi) AMOLED |
| Display Refresh | 60 Hz | 120 Hz | 60 Hz | 60 Hz |
| Battery | 1,850 mAh | 4,400 mAh | 3,220 mAh | 4,300 mAh |
| Processor | 1.5 GHz Qualcomm Snapdragon S3 APQ8060 | 3.2 GHz Snapdragon 8+ Gen 1 | 2.7 GHz Qualcomm Snapdragon 805 | 3.1 GHz Qualcomm Snapdragon 865+ |
| RAM | 1 GB | 12 GB | 3 GB | 8 GB |
| Storage | 16 GB | 256 GB * | 32 GB | 128 GB |
| Main Camera | 8 megapixel | 50 megapixel | 16 megapixel | 12 megapixel |
| Wide Camera | - | 12 megapixel | - | 12 megapixel |
| Tele Camera | - | 10 megapixel | - | 64 megapixel |
| Video Capture | 1080p HD | 4K UHD | 4K UHD | 8K |
| Front Camera | 2 megapixel | 10 megapixel | 4 megapixel | 10 megapixel |
| Weight |
4.71 oz (133g) |
9.28 oz (263g) |
6.21 oz (176g) |
6.84 oz (194g) |
| Dimensions |
5.12" x 2.72" x 0.35" (130 x 69 x 9 mm) |
6.11" x 2.64" x 0.62" (155 x 67 x 15.8 mm) |
6.04" x 3.09" x 0.33" (154 x 79 x 8.5 mm) |
6.36" x 2.96" x 0.33" (162 x 75 x 8.3 mm) |
| Platform / OS | Android | Android | Android | Android |
| Network Bands |
4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 258, 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 GSM: 850, 900, 1800, 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 |
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| Data Technology | LTE (Cat 3) | NR (5G) | LTE (Cat 4) | NR (5G) |
| Features | ||||
| Barometer | - | Yes | - | Yes |
| Fingerprint Reader | - |
Yes stand-alone |
Yes |
Yes in-display (ultrasonic) |
| Flashlight | - | Yes | Yes | Yes |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - |
| MirrorLink | - | - | Yes | - |
| NFC | Yes | Yes | Yes | Yes |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
| UWB | - | Yes | - | - |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Data & Network | ||||
| Dual-SIM | - | Yes | - | - |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| TV Output | Yes | Yes | Yes | Yes |
| Power | ||||
| Fast Charging | - | Yes | Yes | Yes |
| Wireless Charging | - | Yes | - | Yes |
| Voice | ||||
| HD Voice | - | Yes | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Galaxy S II Skyrocket | Samsung Galaxy Z Fold4 | Samsung Galaxy Note 4 (CDMA) | Samsung Galaxy Note20 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S II Skyrocket | Samsung Galaxy Z Fold4 | Samsung Galaxy Note 4 (CDMA) | Samsung Galaxy Note20 |
