Phone Comparison - Samsung Galaxy A9 (2018) vs Samsung Galaxy A7 (2018) vs Xiaomi Redmi Note 8
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| Price Comparison (India) | |||
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| Manufacturer | Samsung | Samsung | Xiaomi |
| Announced | October 2018 | September 2018 | August 2019 |
| Status | Available | Available | Coming Soon - October 2019 |
| Price | Rs. 30,999 ($0.00) [Similarly Priced] | Rs. 18,990 ($0.00) [Similarly Priced] | Rs. 9,999 ($0.00) [Similarly Priced] |
| Colors | Caviar Black, Lemonade Blue, Bubblegum Pink | Black, blue, gold, pink | Nebula Red, Neptune Blue, Space Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
162.5 x 77 x 7.8 mm (6.4 x 3.03 x 0.31 in) |
159.8 x 76.8 x 7.5 mm (6.29 x 3.02 x 0.3 in) |
158.3 x 75.3 × 8.35 mm (6.23 x 2.96 × 0.33 in) |
| Weight | 183 g (6.46 oz) | 168 g (5.93 oz) | 190 g (6.7 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | 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 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 - A750F/DS, A750FN/DS HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A750G |
HSDPA 850 / 900 / 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), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) - A750F/DS, A750FN/DS | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) |
| SAR EU |
0.35 W/kg (head) 1.59 W/kg (body) |
0.34 W/kg (head) 1.43 W/kg (body) |
- W/kg (head) - W/kg (body) |
| Messaging | |||
| Build Features | Fingerprint Sensor Samsung Pay |
Fingerprint Sensor Samsung Pay |
- Fingerprint Sensor |
| Notification LED | Yes | Yes | - |
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| OS | Android 8.0 (Oreo), planned upgrade to Android 9.0 (Pie) | Android 8.0 (Oreo), planned upgrade to Android 9.0 (Pie) | Android 9.0 (Pie) |
| Processor | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 (14 nm) | Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) | Octa-core 2.0 GHz Kryo 260, Qualcomm SDM665 Snapdragon 665 (11 nm) |
| GPU | Adreno 512 | Mali-G71 | Adreno 610 |
| RAM | 6/8 GB | 4/6 GB | 6 GB |
| Internal Memory | 64/128 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSD, up to 512 GB (dedicated slot) | microSD, up to 256 GB |
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| Type | Super AMOLED Capacitive Touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass (unspecified Version) | Full HD+ curved glass LCD Touchscreen, Corning Gorilla Glass 5 protection |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.3 inches | 6.0 inches | 6.39 inches |
| Resolution | 1080 x 2220 pixels (392 ppi) | 1080 x 2220 pixels (411 ppi) | 1080 x 2340 pixels (403 ppi) |
| Screen-to-Body Ratio | 80.45% | 74.61% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 24 MP + 8 MP + 10 MP + 5 MP | 24 MP + 8 MP + 5 MP | 48 MP + 8 MP + 2 MP + 2 MP |
| Flash | LED Flash | LED Flash | Dual-LED Flash |
| Features | 24 MP, f/1.7, 27mm (wide), 1/2.8", 0.9µm, PDAF 8 MP, f/2.4, 12mm (ultrawide), 1/4.0", 1.12µm 10 MP f/2.4, 52mm, (telephoto), 1/3.9", 1.0µm, 2x optical zoom 5 MP, f/2.2, 24mm (wide), 1/5.0", 1.12µm, depth sensor Panorama, HDR |
24 MP, f/1.7, 27mm (wide), PDAF 8 MP, f/2.4, 18mm (ultrawide) 5 MP, f/2.2, depth sensor Panorama, HDR |
48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4", 1.12µm 2 MP, f/2.4, 1/5", 1.75µm (dedicated macro camera) 2 MP, f/2.4, 1/5", 1.75µm, depth sensor HDR, Panorana |
| Video | 2160p@30fps, 1080p@30fps | 1080p@30fps (gyro-EIS) | 2160p@30fps, 1080p@30/60/120fps, (gyro-EIS) |
| Front Camera |
24 MP, f/2.0, 27mm (wide), 1/2.8", 0.9µm HDR, 1080p@30fps [Similar] |
24 MP, f/2.0, 26mm (wide) HDR, 1080p@30fps [Similar] |
13 MP 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 (3CA) Cat9 450/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A (3CA) Cat9 450/50 Mbps |
| 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, Wi-Fi Direct, hotspot | 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 |
| USB | 2.0, Type-C 1.0 reversible connector | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 64/128 GB, 6/8 GB RAM | 128 GB, 4/6 GB RAM or 64 GB, 4 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | microSD, up to 512 GB (dedicated slot) | microSD, up to 256 GB |
| USB OTG | Supported | Supported | Yes |
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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 | Non-removable Li-Po Battery Fast battery charging 18W (Quick Charge 4) |
| Capacity | 3800 mAh | 3300 mAh | 4000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 30,999 
