Phone Comparison - Samsung Galaxy A5 (2017) vs Samsung Galaxy A21 vs Xiaomi Redmi 9 Prime
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| Manufacturer | Samsung | Samsung | Xiaomi |
| Announced | January 2017 | 2020, April 8 | August 2020 |
| Status | Coming Soon - January 2017 | Coming soon. Exp. release 2020, April | Coming Soon - August 2020 |
| Price | Rs. 28,990 ($399.00) [Similarly Priced] | - | Rs. 9,999 ($0.00) [Similarly Priced] |
| Colors | Black, White, Gold, Pink Gold | Various | Space Blue, Mint Green, Matte Black, Sunrise Flare |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
146.1 x 71.4 x 7.9 mm (5.75 x 2.81 x 0.31 in) |
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163.3 x 77 x 9.1 mm (6.43 x 3.03 x 0.36 in) |
| Weight | - | - | 198 g (6.98 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 only) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | LTE | 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) |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - | - Fingerprint Sensor Glass front, plastic back, plastic frame |
- Fingerprint Sensor Water-repellent coating |
| Notification LED | Yes | - | - |
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| OS | Android OS, v6.0 (Marshmallow) | Android 10.0 | Android 10 |
| User Interface | - | One UI 2.0 | MIUI 11 |
| Processor | 1.9 GHz Quad-core Cortex-A72 & 1.3 GHz Quad-core Cortex-A53, Exynos 7880 | Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) | Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55), Mediatek Helio G80 (12 nm) |
| GPU | Mali-T860 MP4 | PowerVR GE8320 | Mali-G52 MC2 |
| RAM | 3 GB | 3 GB | 4 GB |
| Internal Memory | 32 GB | 64 GB | 128 GB |
| External Memory | microSD, up to 256 GB | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
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| Type | Super AMOLED capacitive touchscreen | HD+ Super AMOLED Capacitive Touchscreen | IPS LCD Capacitive Touchscreen Corning Gorilla Glass 3 400 nits typ. brightness (advertised) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.2 inches | 6.5 inches | 6.53 inches |
| Resolution | 1080 x 1920 pixels (424 ppi) | 720 x 1600 pixels (270 ppi) | 1080 x 2340 pixels (395 ppi) |
| Screen-to-Body Ratio | 71.34% | - | 83.11% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio, recording | FM radio | Wireless FM radio (no wired headphones required) |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 16 MP | 16 MP + 8 MP + 2 MP + 2 MP | 13 MP + 8 MP + 5 MP + 2 MP |
| Flash | LED flash | No | LED flash |
| Features | Auto focus, f/1.9 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama | 16 MP, f/1.9, 28mm (wide), AF 8 MP, f/2.2, 12mm (ultrawide) 2 MP, (macro) 2 MP, (depth) panorama, HDR |
13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 16 MP [Similar] |
13 MP HDR 1080p@30fps [Similar] |
8 MP, f/2.0, 27mm (wide) HDR 1080p@30fps [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 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | v4.2, A2DP, EDR, LE, ANT+ | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot | Wi-Fi 802.11 b/g/n, 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 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 32 GB, 3 GB RAM | 64 GB, 3 GB RAM eMMC 5.1 | 128 GB, 4 GB RAM or 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 256 GB | microSDXC (dedicated slot) | 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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| 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 18W |
| Capacity | 3000 mAh | 4000 mAh | 5020 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
