Phone Comparison - Samsung Galaxy S20 4G vs Samsung Galaxy A51 5G vs Samsung Galaxy A21s
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | 2020, February 11 | April 2020 | Expected Announcement - May 2020 |
| Status | Coming soon. Exp. release 2020, March 6 | Coming Soon - April 2020 | Rumored |
| Price | Rs. 66,999 ($0.00) [Similarly Priced] | - | - |
| Colors | Cosmic Grey, Cloud Blue, Cloud Pink | Prism Cube Black, Prism Cube White, Prism Cube Pink | Black, White, Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
151.7 x 69.1 x 7.9 mm (5.97 x 2.72 x 0.31 in) |
158.9 x 73.6 x 8.7 mm (6.26 x 2.9 x 0.34 in) |
8.9 mm thickness (0.35 in thickness) |
| Weight | 163 g (5.75 oz) | 187 g (6.6 oz) | 191 g (6.74 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | 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) CDMA2000 1xEV-DO |
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 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) | LTE |
| 5G Network | - | 5G SA/NSA | - |
| Messaging | |||
| Build Features | - Fingerprint Sensor(In-display) Samsung Pay (Visa, MasterCard certified) IP68 dust/water resistant (up to 1.5m for 30 mins) |
- Fingerprint Sensor (under display, optical) |
- Fingerprint Sensor |
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| OS | Android 10.0 | Android 10.0 | Android 10.0 |
| User Interface | One UI 2.0 | One UI 2.0 | One UI 2.0 |
| Processor | Octa-core (2x2.73 GHz Mongoose M5 & 2x2.60 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55), Exynos 990 (7 nm+) | Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55), Exynos 980 (8 nm) | Octa-core 2.0 GHz, Exynos 850 |
| GPU | Mali-G77 MP11 | Mali-G76 MP5 | - |
| RAM | 8 GB | 8 GB | 3 GB |
| Internal Memory | 128 GB | 128 GB | 64 GB |
| External Memory | microSD, up to 1 TB | microSDXC (dedicated slot) | microSDXC |
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| Type | Dynamic AMOLED Capacitive Touchscreen Corning Gorilla Glass 6 HDR10+ Always-on display 120Hz |
Super AMOLED Capacitive Touchscreen Corning Gorilla Glass 3 |
PLS TFT Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.2 inches | 6.5 inches | 6.55 inches |
| Resolution | 1440 x 3200 pixels (566 ppi) | 1080 x 2400 pixels (405 ppi) | 720 x 1600 pixels (268 ppi) |
| Screen-to-Body Ratio | 88.53% | 87.17% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio (USA & Canada only) | FM radio | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 64 MP + 12 MP + 12 MP | 48 MP + 12 MP + 5 MP + 5 MP | 48 MP + 8 MP + 2 MP |
| Flash | LED flash | LED flash | LED Flash |
| Features | 12 MP, (wide), Dual Pixel PDAF, OIS 64 MP, (telephoto), PDAF, OIS, 3x optical zoom 12 MP, (ultrawide), 1/1.26", 0.7µm, AF, Super Steady video auto-HDR, panorama |
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 12 MP, f/2.2, 12mm (ultrawide) 5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm 5 MP, f/2.2, (depth) 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 | 4320p@24fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS | 2160p@30fps, 1080p@30/120fps; gyro-EIS | 1080p@30fps |
| Front Camera |
10 MP, f/1.9, 26mm (wide), 1/3", 1.22µm, Dual Pixel PDAF Dual video call, Auto-HDR 2160p@30fps, 1080p@30fps [Similar] |
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm HDR 1080p@30fps [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 | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (7CA) Cat20 2000/150 Mbps; 5G (2+ Gbps DL) | HSPA, LTE-A, 5G | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 5.0, A2DP, LE, aptX | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/ax, dual-band, Wi-Fi Direct, hotspot | 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 | 3.2, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | Yes |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 8 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.0) | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 1 TB | microSDXC (dedicated slot) | microSDXC |
| USB OTG | Supported | 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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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery charging 25W USB Power Delivery 3.0 Fast Qi/PMA wireless charging 15W Power bank/Reverse wireless charging 9W |
Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Battery Charging 10W |
| Capacity | 4000 mAh | 4500 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 66,999 
Rs. 66,999 
