Phone Comparison - Samsung Galaxy A20 vs Samsung Galaxy A02 vs Samsung Galaxy A02s
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | March 2019 | 2021, January 27 | 2020, November 24 |
| Status | Coming Soon - April 2019 | Available. Released 2021, January 27 | Coming Soon - Februrary 2021 |
| Colors | Blue, Black | Black, Blue, Red | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
164 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in) |
- |
| Weight | - | 206 g (7.27 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 only) | 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 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 2100 |
| 4G Network | LTE | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900) 20(800), 28(700), 32(1500), 38(2600), 40(2300), 41(2500) | LTE (unspecified) |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- | - |
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| OS | Android 9.0 (Pie) | Android 10 | Android 10 |
| User Interface | - | One UI 2.5 | - |
| Processor | Octa-core (2x1.6 GHz & 6x1.35 GHz), Exynos 7884 Octa | Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm) | Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm) |
| GPU | - | Adreno 506 | Adreno 506 |
| RAM | 3 GB | 2 GB | 3 GB |
| Internal Memory | 32 GB | 32 GB | 32 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) | microSDXC |
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| Type | Super AMOLED Capacitive Touchscreen | PLS TFT Display | HD+ TFT Display |
| Colors | 16M colors | 16M Colour | 16M Colour |
| Size | 6.4 inches | 6.5 inches | 6.5 inches |
| Resolution | 720 x 1560 pixels (268 ppi) | 720 x 1520 pixels (259 ppi) | 720 x 1520 pixels (259 ppi) |
| Screen-to-Body Ratio | - | 84.56% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP + 5 MP | 13 MP + 2 MP | 13 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 13 MP, f/1.9, 28mm (wide), AF 5 MP, f/2.2, depth sensor Panorama, HDR |
13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, AF 2 MP, f/2.4, (depth) |
13 MP, (wide), AF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 8 MP, f/2.0 [Similar] | 8 MP, f/2.2, 1/4", 1.12µm [Similar] | 5 MP, f/2.2 [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | 4.2, A2DP, LE | 4.2, A2DP, LE | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Yes |
| USB | microUSB 2.0 | microUSB 2.0 | microUSB 2.0 |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 32 GB, 3 GB RAM | 32 GB, 2 GB RAM | 32 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | microSDXC (dedicated slot) | microSDXC |
| USB OTG | Supported | Not 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 | Non-removable Li-Po Battery Battery Charging 10W |
Non-removable Li-Po Battery Fast battery charging 15W |
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
