Samsung Galaxy Note8![]() |
Samsung Galaxy A21s![]() |
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Manufacturer | Samsung | Samsung |
Announced | August 2017 | Expected Announcement - May 2020 |
Status | Coming Soon - September 2017 | Rumored |
Colors | Black, Blue Coral, Gold | Black, White, Blue |
Form Factor | Candybar | Candybar |
Dimension |
162.5 x 74.8 x 8.6 mm (6.4 x 2.94 x 0.34 in) |
8.9 mm thickness (0.35 in thickness) |
Weight | 195 g (6.88 oz) | 191 g (6.74 oz) |
SIM Type | Single/Dual SIM | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) |
2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
3G Network | HSDPA | HSDPA 850 / 900 / 1900 / 2100 |
4G Network | LTE | LTE |
Messaging | SMS, MMS, EMail, IM | |
Build Features | - IP68 Certified Dust and Water Resistant - Samsung Pay |
- Fingerprint Sensor |
Notification LED | Yes | - |
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OS | Android OS, v7.1 (Nougat) | Android 10.0 |
User Interface | - | One UI 2.0 |
Processor | Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) / Octa-core (4x2.3 GHz & 4x1.7 GHz), Qualcomm MSM8998 Snapdragon 835/ Exynos 8895 Octa [Similar] | Octa-core 2.0 GHz, Exynos 850 [Similar] |
GPU | Adreno 540 / Mali-G71 MP20 [Similar] | - |
RAM | 6 GB [Browse Similar] | 3 GB [Browse Similar] |
Internal Memory | 64/128/256 GB | 64 GB |
External Memory | microSD, up to 256 GB (dedicated slot) | microSDXC |
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Type | Super AMOLED capacitive touchscreen, Gorilla Glass 5 | PLS TFT Capacitive Touchscreen |
Colors | 16M colors | 16M colors |
Size | 6.3 inches [Similar] | 6.55 inches [Similar] |
Resolution | 1440 x 2960 pixels (522 ppi) | 720 x 1600 pixels (268 ppi) |
Screen-to-Body Ratio | 83.03% | - |
Multi-Touch | ![]() |
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3.5mm Jack | ![]() |
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Radio | No | - |
Games | Yes + Downloadable | Yes + Downloadable |
Loud Speaker | ![]() |
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Rear Camera | Dual 12 MP [Similar] | 48 MP + 8 MP + 2 MP [Similar] |
Flash | LED Flash | LED Flash |
Features | Phase Detection Autofocus, OIS, f/1.7 and f/2.4, 2X Optical Zoom, Geo-tagging, Simultaneous 4K Video And Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama | 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.4, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) Panorama, HDR |
Video | 2160p@60fps, 1080p@120fps, HDR, dual-video rec. | 1080p@30fps |
Front Camera | 8 MP, f/1.7, AF [Similar] |
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps [Similar] |
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GPRS | Yes | Yes |
Edge | Yes | Yes |
3G | HSPA, LTE, VoLTE | HSPA 42.2/5.76 Mbps, LTE-A |
Bluetooth | v4.2, A2DP, LE, aptX | 5.0, A2DP, LE |
Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
USB | v3.1, Type-C 1.0 reversible connector | Yes |
GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
Browser | HTML5 | Yes |
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Internal | 64/128/256 GB, 6 GB RAM | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM |
Expandable Storage | microSD, up to 256 GB (dedicated slot) | microSDXC |
USB OTG | Supported | Supported |
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Fingerprint | ![]() |
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Proximity Sensor | ![]() |
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Accelerometer Sensor | ![]() |
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Magnetic-Field Sensor (Compass) | ![]() |
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Gyroscope Sensor | ![]() |
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Barometer Sensor | ![]() |
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Heart-rate Sensor | ![]() |
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NFC | ![]() |
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Type | Non-removable Li-Ion battery | Non-removable Li-Po Battery Battery Charging 10W |
Capacity | 3300 mAh | 5000 mAh |
Stand by | - | - |
Talk Time | - | - |