Phone Comparison - Xiaomi Redmi 9A vs Samsung Galaxy A42 5G vs Samsung Galaxy A52s 5G
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| Manufacturer | Xiaomi | Samsung | Samsung |
| Announced | Not announced yet | 2020, September 02 | August 2021 |
| Status | Rumored | Available. Released 2020, November 11 | Coming Soon - September 2020 |
| Colors | Blue, other colors | Prism Dot Black, Prism Dot White, Prism Dot Gray | Awesome Black, Awesome White, Awesome Purple, Awesome Mint |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
164.4 x 75.9 x 8.6 mm (6.47 x 2.99 x 0.34 in) |
159.9 x 75.1 x 8.4 mm (6.3 x 2.96 x 0.33 in) |
| Weight | - | 193 g (6.81 oz) | 189 g (6.67 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | 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 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE | 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41 - Europe 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 34, 38, 39, 40, 41 |
2, 4, 5, 12, 17, 26, 40, 41, 66 |
| 5G Network | - | 1, 3, 5, 7, 8, 28, 40, 41, 78 SA/NSA/Sub6 - Europe 1, 3, 5, 7, 8, 28, 40, 41, 78, 79 SA/NSA/Sub6 |
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA/Sub6 |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (under display, optical) |
- Fingerprint Sensor (under display, optical) IP67 dust/water resistant (up to 1m for 30 mins) |
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| OS | Android 10.0 | Android 10, upgradable to Android 11, One UI 3.1 | Android 11 |
| User Interface | MIUI 12 | One UI 2.1 | One UI 3.1 |
| Processor | , MediaTek Helio G25 | Octa-core (2x2.2 GHz Kryo 570 & 6x1.8 GHz Kryo 570), Qualcomm SM7225 Snapdragon 750 5G (8 nm) | Octa-core (1x2.4 GHz Kryo 670 Prime & 3x2.2 GHz Kryo 670 Gold & 4x1.9 GHz Kryo 670 Silver), Qualcomm Snapdragon 778G 5G (6 nm) |
| GPU | Mali-G31 | Adreno 619 | Adreno 642L |
| RAM | 3 GB | 8 GB | 8 GB |
| Internal Memory | 32 GB | 128 GB | 256 GB |
| External Memory | microSDXC (dedicated slot) | microSDXC | microSDXC (uses shared SIM slot) |
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| Type | IPS LCD Capacitive Touchscreen | HD+ Super AMOLED capacitive touchscreen | FHD+ Super AMOLED Screen 120Hz Refresh Rate 800 nits (HBM) Corning Gorilla Glass 5 |
| Colors | 16M colors | 16M Colour | 16M Colour |
| Size | 6.53 inches | 6.6 inches | 6.5 inches |
| Resolution | 720 x 1600 pixels (269 ppi) | 720 x 1600 pixels (266 ppi) | 1080 x 2400 pixels (405 ppi) |
| Screen-to-Body Ratio | - | 84.18% | 84.90% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | Unspecified | Unspecified |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP | 48 MP + 8 MP + 5 MP + 5 MP | 64 MP + 12 MP + 5 MP + 5 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 13 MP, f/1.8, (wide), 1/3.1", 1.12µm, PDAF HDR, Panorama |
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (depth) 5 MP, f/2.4, (macro) Panorama, HDR |
64 MP, f/1.8, 26mm (wide), 1/1.7", 0.8µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1.12µm 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth) panorama, HDR |
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps, 720p@480fps | 4K@30fps, 1080p@30fps |
| Front Camera |
5 MP HDR 1080p@30fps [Similar] |
20 MP, f/2.2, 0.8µm HDR 1080p@30fps [Similar] |
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm HDR 4K@30fps, 1080p@30fps [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, 5G | HSPA 42.2/5.76 Mbps, LTE-A (CA) Cat18 1200/150 Mbps, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.2, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g/n, 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, Wi-Fi Direct, hotspot |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS | 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 | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM UFS 2.1 | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM |
| Expandable Storage | microSDXC (dedicated slot) | microSDXC | microSDXC (uses shared SIM slot) |
| 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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| NFC | |
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| Type | Non-removable Li-Po Battery | Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery charging 25W |
| Capacity | 5000 mAh | 5000 mAh | 4500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
