Phone Comparison - Xiaomi Redmi 7A vs Samsung Galaxy A12 vs Samsung Galaxy A22
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| Price Comparison (India) | - | - | |
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| Manufacturer | Xiaomi | Samsung | Samsung |
| Announced | May 2019 | 2020, November 24 | June 2021 |
| Status | Available - June 2019 Expected | Coming Soon - January 2021 | Coming Soon - June 2021 |
| Price | Rs. 5,799 ($0.00) [Similarly Priced] | Rs. 12,999 ($0.00) [Similarly Priced] | - |
| Colors | Black, Blue | Black, White, Blue, Red | Black, White, Mint, Violet |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
146.30 x 70.41 x 9.55 mm (5.76 x 2.77 x 0.38 in) |
164 x 75.8 x 8.9 mm (6.46 x 2.98 x 0.35 in) |
159.3 x 73.6 x 8.4 mm (6.27 x 2.9 x 0.33 in) |
| Weight | 150 g (5.29 oz) | 205 g (7.23 oz) | 186 g (6.56 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), Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | LTE (unspecified) | LTE |
| Messaging | |||
| Build Features | -Splash resistant (P2i nano coating) | - Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (side-mounted) |
| Notification LED | Yes | - | - |
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| OS | Android 9.0 (Pie) | Android 10 | Android 11, |
| User Interface | MIUI 10 | - | One UI Core 3.1 |
| Processor | Octa-Core (Quad 1.95GHz Cortex A53 + Quad 1.45GHz Cortex A53) , Qualcomm Snapdragon 439 | Octa-core (2.3 GHz, 1.8 GHz) | Octa-core (2x2.0 GHz Cortex-A75 & 6x2.0 GHz Cortex-A55), MediaTek Helio G80 12nm |
| GPU | Adreno 505 | - | Mali-G52 2EEMC2 |
| RAM | 3 GB | 4 GB | 6 GB |
| Internal Memory | 32 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 256 GB (dedicated slot) | microSDXC | Unspecified |
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| Type | IPS LCD HD+ Capacitive Touchscreen | HD+ TFT display | HD+ Super AMOLED Screen 90Hz Refresh Rate |
| Colors | 16M colors | 16M Colour | 16M Colour |
| Size | 5.45 inches | 6.5 inches | 6.4 inches |
| Resolution | 720 x 1440 pixels (295 ppi) | 720 x 1560 pixels (264 ppi) | 720 x 1600 pixels (274 ppi) |
| Screen-to-Body Ratio | 74.62% | 83.64% | 84.44% |
| 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 | 48 MP + 5 MP + 2 MP + 2 MP | 48 MP + 8 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED flash | LED Flash |
| Features | 13 MP, f/2.2, PDAF HDR, Panorama |
48 MP, f/2.0, (wide), AF 5 MP, f/2.2, 115˚ (ultrawide) 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) panorama, HDR |
48 MP, f/1.8, (wide), PDAF, OIS 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) panorama, HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP, f/2.2, 1.12μm [Similar] |
8 MP, f/2.2 1080p@30fps [Similar] |
13 MP, f/2.2, (wide) 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 21.1/5.76 Mbps, LTE-A (2CA) Cat7 300/150 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 5.0, A2DP, LE | Yes | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Yes | Yes |
| USB | microUSB 2.0 | USB Type-C 2.0 | USB Type-C 2.0 |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes |
| Browser | Yes | Yes | Yes |
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| Internal | 32 GB, 3 GB RAM or 16 GB, 2 GB RAM | 128 GB, 4 GB RAM or 64 GB, 4 GB RAM or 64 GB, 3 GB RAM or 32 GB, 3 GB RAM | 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 256 GB (dedicated slot) | microSDXC | Unspecified |
| 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-Ion Battery | Non-removable Li-Po Battery Fast battery charging 15W |
Non-removable Li-Po Battery Fast battery charging 15W |
| Capacity | 4000 mAh | 5000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 5,799 
