Phone Comparison - Xiaomi Mi A2 (Mi 6X) vs Xiaomi Redmi Note 9S vs Xiaomi Redmi Note 9
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| Manufacturer | Xiaomi | Xiaomi | Xiaomi |
| Announced | April 2018 | March 2020 | 2020, April 30 |
| Status | Available - April 2018 | Coming Soon - April 2020 | Coming soon. Exp. release 2020, May |
| Price | Rs. 16,900 ($250.00) [Similarly Priced] | - | - |
| Colors | Cherry Pink, Flame Red, Sand Gold, Glacier Blue, Black | Aurora Blue, Glacier White, Interstellar Gray | Forest Green, Midnight Grey, Polar White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
158.7 x 75.4 x 7.3 mm (6.25 x 2.97 x 0.29 in) |
165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in) |
162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in) |
| Weight | 168 g (5.93 oz) | 209 g (7.37 oz) | 199 g (7.02 oz) |
| SIM Type | Hybrid 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 CDMA 800 & TD-SCDMA - China |
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 / 1700(AWS) / 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) - China | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 2628, 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, Push Mail, EMail, IM | ||
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) Splash-proof |
- Fingerprint Sensor |
| Notification LED | Yes | - | - |
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| OS | Android 8.1 (Oreo); Android One | Android 10.0 | Android 10.0 |
| User Interface | - | MIUI 11 | MIUI 11 |
| Processor | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm) | Octa-core (2x Cortex-A75 @ 2 GHz, 6x Cortex-A55 @ 2 GHz), MediaTek Helio G85 (12nm) |
| GPU | Adreno 512 | Adreno 618 | Mali-G52 MC2 |
| RAM | 6 GB | 6 GB | 4 GB |
| Internal Memory | 128 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 256 GB (uses SIM 2 slot) | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
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| Type | LTPS IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 | FHD+ IPS LCD Capacitive Touchscreen Corning Gorilla Glass 5 450 nits typ. brightness (advertised) |
FHD+ IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.99 inches | 6.67 inches | 6.53 inches |
| Resolution | 1080 x 2160 pixels (403 ppi) | 1080 x 2400 pixels (395 ppi) | 1080 x 2340 pixels (395 ppi) |
| Screen-to-Body Ratio | 77.44% | 84.28% | 83.40% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio, recording | FM radio, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | Dual 12 MP + 20 MP | 48 MP + 8 MP + 5 MP + 2 MP | 48 MP + 8 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED flash | LED flash |
| Features | Phase Detection Autofocus, 1.25µm, f/1.8 aperture lens, 2x Optical Zoom, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro), 1.12µm 2 MP, f/2.4, (depth) HDR, Panorama |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro), AF 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 2160p@30fps, 1080p@30fps, 720p@120fps | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS | 1080p@30fps |
| Front Camera | 20 MP (f/1.8, 1/2.8", 1.0µm), 1080p, Auto-HDR [Similar] |
16 MP Punch-Hole, f/2.5, 26mm (wide), 1/3.1", 1.0µm HDR 1080p@30fps [Similar] |
13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm HDR, Panorama 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, 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 | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 128 GB, 6 GB RAM or 64 GB, 4/6 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) | 128 GB, 4 GB RAM or 64 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 256 GB (uses SIM 2 slot) | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| USB OTG | Not 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-Ion Battery | Non-removable Li-Po Battery Fast battery charging 18W |
Non-removable Li-Po Battery Fast battery charging 18W |
| Capacity | 3010 mAh | 5020 mAh | 5020mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
