Phone Comparison - Samsung Galaxy A02 vs Samsung Galaxy A02s vs Samsung Galaxy A04
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | 2021, January 27 | 2020, November 24 | August 2022 |
| Status | Available. Released 2021, January 27 | Coming Soon - Februrary 2021 | Available - December 2022 |
| Colors | Black, Blue, Red | Black, White | Black, Green, White, Copper |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
164 x 75.9 x 9.1 mm (6.46 x 2.99 x 0.36 in) |
- |
164.4 x 76.3 x 9.1 mm (6.47 x 3 x 0.36 in) |
| Weight | 206 g (7.27 oz) | - | 192 g (6.77 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) | 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 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | 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) | LTE |
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| OS | Android 10 | Android 10 | Android 12 |
| User Interface | One UI 2.5 | - | One UI Core 4.1 |
| Processor | 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) | Octa-core, MediaTek Helio P35 |
| GPU | Adreno 506 | Adreno 506 | IMG PowerVR GE8320 |
| RAM | 2 GB | 3 GB | 32GB 4GB |
| Internal Memory | 32 GB | 32 GB | N/A |
| External Memory | microSDXC (dedicated slot) | microSDXC | microSDXC (dedicated slot) |
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| Type | PLS TFT Display | HD+ TFT Display | HD+ PLS LCD Screen |
| Colors | 16M Colour | 16M Colour | 16M Colors |
| Size | 6.5 inches | 6.5 inches | 6.5 inches |
| Resolution | 720 x 1520 pixels (259 ppi) | 720 x 1520 pixels (259 ppi) | 720 x 1600 pixels (270 ppi) |
| Screen-to-Body Ratio | 84.56% | - | 81.28% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | Unspecified | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP + 2 MP | 13 MP + 2 MP + 2 MP | 50 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 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) |
50 MP, f/1.8, (wide), AF 2 MP, f/2.4, (depth) |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 8 MP, f/2.2, 1/4", 1.12µm [Similar] | 5 MP, f/2.2 [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 | Yes | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Yes | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB 2.0 | microUSB 2.0 | microUSB 2.0 |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS |
| Browser | Yes | Yes | Yes |
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| Internal | 32 GB, 2 GB RAM | 32 GB, 3 GB RAM | 32GB 4GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 8GB RAM |
| Expandable Storage | microSDXC (dedicated slot) | microSDXC | microSDXC (dedicated slot) |
| USB OTG | Not 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 Battery Charging 10W |
Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery |
| Capacity | 5000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
