Phone Comparison - Samsung Galaxy A5 (2017) vs Samsung Galaxy A51 vs Oppo F21 Pro
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Oppo |
| Announced | January 2017 | December 2019 | April 2022 |
| Status | Coming Soon - January 2017 | Coming Soon - December 12, 2019 | Coming Soon - April 2022 |
| Price | Rs. 28,990 ($399.00) [Similarly Priced] | Rs. 23,999 ($0.00) [Similarly Priced] | Rs. 22,999 ($0.00) [Similarly Priced] |
| Colors | Black, White, Gold, Pink Gold | Prism Crush White, Black, Pink, Blue | Cosmic Black, Sunset Orange |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
146.1 x 71.4 x 7.9 mm (5.75 x 2.81 x 0.31 in) |
158.4 x 73.7 x 7.9 mm (6.24 x 2.9 x 0.31 in) |
159.9 x 73.2 x 7.5 mm (6.3 x 2.88 x 0.3 in) |
| Weight | - | 172 g (6.07 oz) | 175 g (6.17 oz) |
| SIM Type | Dual-SIM | Single SIM (Nano-SIM), 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 (optional) | 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 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | LTE (unspecified) | 1, 3, 5, 8, 38, 40, 41 |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - | - Fingerprint Sensor(In-display) |
- Fingerprint Sensor (under display, optical) IPX4 water resistant RGB ring light around the camera (notifications, charging progress) |
| Notification LED | Yes | - | - |
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| OS | Android OS, v6.0 (Marshmallow) | Android 9.0 (Pie) | Android 12 |
| User Interface | - | One UI | ColorOS 12.1 |
| Processor | 1.9 GHz Quad-core Cortex-A72 & 1.3 GHz Quad-core Cortex-A53, Exynos 7880 | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) | Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver), Qualcomm SM6225 Snapdragon 680 4G (6 nm) |
| GPU | Mali-T860 MP4 | Mali-G72 MP3 | Adreno 610 |
| RAM | 3 GB | 8 GB | 8 GB |
| Internal Memory | 32 GB | 128 GB | 128 GB |
| External Memory | microSD, up to 256 GB | microSD, up to 512 GB (dedicated slot) | microSDXC |
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| Type | Super AMOLED capacitive touchscreen | Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen | FHD+ AMOLED Screen 90Hz Refresh Rate 430 nits (typ), 600 nits (HBM), 800 nits (peak) Corning Gorilla Glass 5 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.2 inches | 6.5 inches | 6.43 inches |
| Resolution | 1080 x 1920 pixels (424 ppi) | 1080 x 2340 pixels (396 ppi) | 1080 x 2400 pixels (409 ppi) |
| Screen-to-Body Ratio | 71.34% | 89.06% | 85.41% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio, recording | FM radio | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP | 48 MP + 12 MP + 5 MP + 5 MP | 64 MP + 2 MP + 2 MP |
| Flash | LED flash | LED Flash | LED Flash |
| Features | Auto focus, f/1.9 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama | 48 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF 12 MP, f/2.2, 13mm (ultrawide) 5 MP, f/2.2, depth sensor 5 MP, f/2.4, macro camera Panorama, HDR |
64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF 2 MP, f/3.3, (microscope) 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 1080p@30fps | 2160p@30fps, 1080p@30fps | 1080p@30fps, gyro-EIS |
| Front Camera | 16 MP [Similar] |
32 MP, f/2.0, 25mm (wide) HDR 1080p@30fps [Similar] |
32 MP, f/2.4, 24mm (wide), 1/2.74", 0.8µm Panorama, HDR 1080p@30fps, gyro-EIS [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE | HSPA, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | v4.2, A2DP, EDR, LE, ANT+ | 5.0, A2DP, LE | 5.1, A2DP, LE, aptX HD |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, 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 | Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 32 GB, 3 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM | 128 GB, 8 GB RAM UFS 2.2 |
| Expandable Storage | microSD, up to 256 GB | microSD, up to 512 GB (dedicated slot) | microSDXC |
| 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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| 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 33W, 100% in 60 min (advertised) Reverse charging |
| Capacity | 3000 mAh | 4000 mAh | 4500 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 25,250 
