Phone Comparison - Google Pixel 4a vs Samsung Galaxy M51 vs Xiaomi Redmi Note 10
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| Manufacturer | Samsung | Xiaomi | |
| Announced | 2020, August 03 | 2020, August 31 | 2021, March 04 |
| Status | Coming soon. Exp. release 2020, August 20 | Coming soon. Exp. release 2020, September 11 | Coming soon. Exp. release 2021, March 16 |
| Price | - | - | Rs. 11,999 ($0.00) [Similarly Priced] |
| Colors | Just Black | Blue; other colors | Shadow Black (Onyx Gray), Frost White (Pebble White), Aqua Green (Lake Green) |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
144 x 69.4 x 8.2 mm (5.67 x 2.73 x 0.32 in) |
162.6 x 77.5 x 8.5 mm (6.4 x 3.05 x 0.33 in) |
160.5 x 74.5 x 8.3 mm (6.32 x 2.93 x 0.33 in) |
| Weight | 143 g (5.04 oz) | - | 178.8 gram (6.28.0.28 ozram) |
| SIM Type | 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 | 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 / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) | LTE | 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - China 1, 3, 5, 8, 40, 41 - India |
| Messaging | |||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (side-mounted) IP53, dust and splash protection (market/region dependent) |
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| OS | Android 10.0 | Android 10.0 | Android 11 |
| User Interface | - | One UI 2.0 | MIUI 12 |
| Processor | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) | Octa-core (2x2.2 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver), Qualcomm SDM678 Snapdragon 678 (11 nm) |
| GPU | Adreno 618 | Adreno 618 | Adreno 612 |
| RAM | 6GB | 6 GB | 6 GB |
| Internal Memory | 128 GB | 128 GB | 128 GB |
| External Memory | No | microSDXC | microSDXC (dedicated slot) |
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| Type | IPS LCD Capacitive Touchscreen | FHD+ IPS LCD Capacitive Touchscreen Corning Gorilla Glass 3 |
FHD+ Super AMOLED Screen 450 nits (typ), 1100 nits (peak) Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M Colour |
| Size | 5.81 inches | 6.5 inches | 6.43 inches |
| Resolution | 1080 x 2340 pixels (444 ppi) | 1080 x 2340 pixels (396 ppi) | 1080 x 2400 pixels (409 ppi) |
| Screen-to-Body Ratio | 82.76% | 82.51% | 83.60% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio | - |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12.2 MP | 64 MP + 12 MP + 5 MP + 5 MP | 48 MP + 8 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | 12.2 MP, f/1.7, 27mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS Auto-HDR, Panorama |
64 MP, f/2.0, 26mm (wide), 1/1.72", 0.8µm, PDAF 12 MP, f/2.2, (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.2, (depth) Panorama, HDR |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 2160p@30fps, 1080p@30fps; gyro-EIS | 4K@30fps, 1080p@30fps | 4K@30fps, 1080p@30/60/120fps, 720p@960fps |
| Front Camera |
8 MP, f/2.0, (wide), 1/4", 1.12µm HDR 1080p@30fps [Similar] |
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm HDR 1080p@30fps [Similar] |
13 MP, f/2.5, (wide), 1/3.06", 1.12µm HDR 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 (2CA) Cat6 400/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | 5.1, A2DP, LE | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, 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 | 3.1, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 6GB RAM (UFS 2.1) | 128 GB, 6 GB RAM | 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM UFS 2.2 |
| Expandable Storage | No | microSDXC | microSDXC (dedicated 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 Fast battery charging 18W |
Non-removable Li-Po Battery Fast battery charging 25W |
Non-removable Li-Po Battery Fast battery charging 33W, 67% in 30 min, 100% in 74 min (advertised) |
| Capacity | 3140 mAh | 7000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
