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| Phone | Samsung Galaxy S6 (GSM) | Samsung Galaxy S21 | Nokia 6 | Samsung Nexus S 4G |
| Current U.S. Carriers | (none) | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.1" diag. 16 : 9 |
6.2" diag. 20 : 9 |
5.5" diag. 16 : 9 |
4" diag. 5 : 3 |
| Display Resolution & Type |
1440 x 2560 pixels (~576 ppi) AMOLED |
1080 x 2400 pixels (~424 ppi) AMOLED |
1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) AMOLED |
| Display Refresh | 60 Hz | 120 Hz | 60 Hz | 60 Hz |
| Battery | 2,550 mAh | 4,000 mAh | 3,000 mAh | 1,500 mAh |
| Processor | 2.1 GHz Samsung Exynos 7420 | 2.8 GHz Qualcomm Snapdragon 888 | 1.4 GHz Qualcomm Snapdragon 430 (MSM8937) | 1 GHz Samsung Hummingbird Cortex A8 |
| RAM | 3 GB | 8 GB | 3 GB | ? |
| Storage | 32 GB * | 128 GB * | 32 GB | 16 GB |
| Main Camera | 16 megapixel | 12 megapixel | 16 megapixel | 5 megapixel |
| Wide Camera | - | 12 megapixel | - | - |
| Tele Camera | - | 64 megapixel | - | - |
| Video Capture | 4K UHD | 8K | 1080p HD | WVGA / 480p |
| Front Camera | 5 megapixel | 10 megapixel | 8 megapixel | Yes |
| Weight |
4.87 oz (138g) |
6.03 oz (171g) |
5.9 oz (167g) |
4.62 oz (131g) |
| Dimensions |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
6.06" x 2.98" x 0.31" (154 x 76 x 7.8 mm) |
4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm) |
| Platform / OS | Android | Android | Android | 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, 3, 4, 7, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G WiMAX: 41 CDMA: 850, 1900 |
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| Data Technology | LTE (Cat 6) | NR (5G) | LTE (Cat 4) | WiMAX |
| Features | ||||
| Barometer | - | Yes | - | - |
| Fingerprint Reader | Yes |
Yes in-display (ultrasonic) |
Yes stand-alone |
- |
| Flashlight | Yes | Yes | Yes | - |
| VR-ready | Yes | - | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
| TTY/TDD (Digital) | Yes | Yes | 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 Micro-USB |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| Miracast | Yes | - | - | - |
| TV Output | Yes | Yes | - | - |
| Power | ||||
| Fast Charging | Yes | Yes | - | - |
| Wireless Charging | Yes | Yes | - | - |
| Voice | ||||
| HD Voice | Yes | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Galaxy S6 (GSM) | Samsung Galaxy S21 | Nokia 6 | Samsung Nexus S 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S6 (GSM) | Samsung Galaxy S21 | Nokia 6 | Samsung Nexus S 4G |
