Phone Comparison - Samsung Galaxy A7 (2018) vs Oppo A5 (2020) vs Xiaomi Redmi K40S
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Oppo | Xiaomi |
| Announced | September 2018 | September 2019 | March 2022 |
| Status | Available | Coming Soon - September 2019 | Available - March 2022 |
| Price | Rs. 18,990 ($0.00) [Similarly Priced] | Rs. 12,490 ($0.00) [Similarly Priced] | - |
| Colors | Black, blue, gold, pink | Dazzling White, Mirror Black | Black, Gray, Blue, Green |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
159.8 x 76.8 x 7.5 mm (6.29 x 3.02 x 0.3 in) |
163.6 × 75.6 × 9.1 mm (6.44 × 2.98 × 0.36 in) |
163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.3 in) |
| Weight | 168 g (5.93 oz) | 195 g (6.88 oz) | 195 g (6.88 oz) |
| SIM Type | Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) | Hybrid 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 (dual-SIM model only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1x |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 - A750F/DS, A750FN/DS HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A750G |
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), 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) | 1, 2, 3, 4, 5, 8, 18, 19, 26, 34, 38, 39, 40, 41, 42 |
| 5G Network | - | - | 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA |
| SAR EU |
0.34 W/kg (head) 1.43 W/kg (body) |
- W/kg (head) - W/kg (body) |
- W/kg (head) - W/kg (body) |
| Messaging | |||
| Build Features | Fingerprint Sensor Samsung Pay |
- Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) Splash resistant |
| Notification LED | Yes | - | - |
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| OS | Android 8.0 (Oreo), planned upgrade to Android 9.0 (Pie) | Android 9.0 (Pie) | Android 12 |
| User Interface | - | ColorOS 6.1 | MIUI 13 |
| Processor | Octa-core (2x2.2 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) | Octa-core(Quad 2GHz Kryo 260 + Quad 1.8GHz Kryo 260) , Qualcomm SDM665 Snapdragon 665 (11 nm) | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585), Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) |
| GPU | Mali-G71 | Adreno 610 | Adreno 650 |
| RAM | 4/6 GB | 4 GB | 12 GB |
| Internal Memory | 128 GB | 64 GB | 256 GB |
| External Memory | microSD, up to 512 GB (dedicated slot) | microSD, up to 256 GB | No |
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| Type | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass (unspecified Version) | HD+ IPS Touchscreen Corning Gorilla Glass 3+ protection 480 nit brightness |
FHD+ IPS LCD Screen 120Hz Refresh Rate HDR10+ Corning Gorilla Glass 5 |
| Colors | 16M colors | 16M colors | 16M Colors |
| Size | 6.0 inches | 6.5 inches | 6.67 inches |
| Resolution | 1080 x 2220 pixels (411 ppi) | 720 x 1600 pixels (270 ppi) | 1080 x 2400 pixels (395 ppi) |
| Screen-to-Body Ratio | 74.61% | - | 86.41% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio, recording | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 24 MP + 8 MP + 5 MP | 12 MP + 8 MP + 2 MP + 2 MP | 48 MP + 8 MP + 2 MP |
| Flash | LED Flash | Dual-LED Flash | Dual-LED Dual-tone Flash |
| Features | 24 MP, f/1.7, 27mm (wide), PDAF 8 MP, f/2.4, 18mm (ultrawide) 5 MP, f/2.2, depth sensor Panorama, HDR |
12 MP, f/1.8, (wide), 1/2.8", 1.25µm, PDAF 8 MP, f/2.5, 13mm (ultrawide), 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 |
48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF, OIS 8 MP, 119Ë (ultrawide) 2 MP, f/2.4, (macro) HDR, Panorama |
| Video | 1080p@30fps (gyro-EIS) | 2160p@30fps, 1080p@30/60/120fps, (gyro-EIS) | 4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS |
| Front Camera |
24 MP, f/2.0, 26mm (wide) HDR, 1080p@30fps [Similar] |
16 MP, f/2.0, HDR, 1080p@30fps [Similar] |
20 MP, (wide) 1080p@30/120fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | 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 | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE | 5.2, 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/6, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB 2.0 | 2.0, Type-C 1.0 reversible connector | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS. Up to tri-band: GLONASS (1), BDS (3), GALILEO (2), QZSS (2), NavIC |
| Browser | Yes | Yes | Yes |
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| Internal | 128 GB, 4/6 GB RAM or 64 GB, 4 GB RAM | 64 GB, 4 GB RAM or 64 GB, 3 GB RAM | 256 GB, 12 GB RAM or 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM UFS 3.1 |
| Expandable Storage | microSD, up to 512 GB (dedicated slot) | microSD, up to 256 GB | No |
| USB OTG | Supported | Yes | 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 10W |
Non-removable Li-Po Battery Fast battery Charging 67W, 100% in 38 min (advertised) Power Delivery 3.0 Quick Charge 3+ |
| Capacity | 3300 mAh | 4880 mAh | 4500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 18,990 
