Phone Comparison - Samsung Galaxy A21s vs Oppo A73 vs Oppo A17
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Oppo | Oppo |
| Announced | Expected Announcement - May 2020 | October 2020 | September 2022 |
| Status | Rumored | Coming Soon - October 2020 | Available - September 2022 |
| Price | - | - | Rs. 12,499 ($0.00) [Similarly Priced] |
| Colors | Black, White, Blue | Navy Blue, Classic Silver | Midnight Black, Lake Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
8.9 mm thickness (0.35 in thickness) |
159.8 x 72.9 x 7.5 mm (6.29 x 2.87 x 0.3 in) |
164.2 x 75.6 x 8.3 mm (6.46 x 2.98 x 0.33 in) |
| Weight | 191 g (6.74 oz) | 163 g (5.75 oz) | 189 g (6.67 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | 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 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | 1, 3, 5, 8, 38, 40, 41 |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) ) |
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| OS | Android 10.0 | Android 10 | Android 12 |
| User Interface | One UI 2.0 | ColorOS 7.2 | ColorOS 12.1 |
| Processor | Octa-core 2.0 GHz, Exynos 850 | Octa-core (4x2.3 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), MediaTek MT6765 Helio G35 (12 nm) |
| GPU | - | Adreno 610 | PowerVR GE8320 |
| RAM | 3 GB | 6 GB | 4 GB |
| Internal Memory | 64 GB | 128 GB | 64 GB |
| External Memory | microSDXC | microSDXC (dedicated slot) | microSDXC |
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| Type | PLS TFT Capacitive Touchscreen | FULL HD AMOLED capacitive touchscreen Corning Gorilla Glass 3 |
IPS LCD Screen |
| Colors | 16M colors | 16M Colour | 16M Colors |
| Size | 6.55 inches | 6.44 inches | 6.56 inches |
| Resolution | 720 x 1600 pixels (268 ppi) | 1080 x 2400 pixels (409 ppi) | 720 x 1612 pixels (269 ppi) |
| Screen-to-Body Ratio | - | 85.81% | 83.36% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 2 MP | 16 MP + 8 MP + 2 MP + 2 MP | 50 MP + 2 MP |
| Flash | LED Flash | LED flash | LED Flash |
| Features | 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 |
16 MP, f/2.2, (wide), 1/3.06", PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) 2 MP, f/2.4, (depth) HDR, panorama |
50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps, gyro-EIS | 1080p@30fps |
| Front Camera |
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps [Similar] |
16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm HDR 1080p@30fps [Similar] |
5 MP, f/2.2, (wide) HDR Yes [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE |
| Bluetooth | 5.0, A2DP, LE | 5.1, A2DP, LE, aptX | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot |
| USB | Yes | USB Type-C 2.0, USB On-The-Go | microUSB 2.0 |
| GPS | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS |
| Browser | Yes | Yes | Yes |
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| Internal | 64 GB, 3 GB RAM or 32 GB, 3 GB RAM | 128 GB, 6 GB RAM | 64 GB, 4 GB RAM eMMC 5.1 |
| Expandable Storage | microSDXC | microSDXC (dedicated slot) | microSDXC |
| USB OTG | Supported | Supported | Not 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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| NFC | |
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| Type | Non-removable Li-Po Battery Battery Charging 10W |
Non-removable Li-Po Battery Fast battery charging 30W, 50% in 30 min, 100% in 53 min (advertised) VOOC 4.0 |
Non-removable Li-Po Battery |
| Capacity | 5000 mAh | 4015 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 12,499 
