Phone Comparison - Xiaomi Redmi 4A vs vivo Y91i vs Tecno Spark 9T (India)
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| Price Comparison (India) | - | - | |
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| Manufacturer | Xiaomi | vivo | Tecno |
| Announced | November 2016 | March 2019 | July 2022 |
| Status | Available - November 2016 | Available - March 2019 | Coming Soon - August 2022 |
| Price | Rs. 5,999 ($92.00) [Similarly Priced] | Rs. 9,990 ($0.00) [Similarly Priced] | Rs. 9,299 ($0.00) [Similarly Priced] |
| Colors | Gold, Rose Gold, Dark Gray | Fusion Black, Sunset Red, Ocean Blue | Turquoise Cyan, Atlantic Blue, Iris Purple, Tahiti Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
139.5 x 70.4 x 8.5 mm (5.49 x 2.77 x 0.33 in) |
155.1 x 75.1 x 8.3 mm (6.11 x 2.96 x 0.33 in) |
164.5 x 76.1 x 8.9 mm (6.48 x 3 x 0.35 in) |
| Weight | 131.5 g (4.62.0.18 oz) | 163.5 g (5.75.0.18 oz) | - |
| SIM Type | Dual SIM Hybrid (Nano SIM + Micro SIM, or Micro SIM + microSD Card) | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 40(2300), 41(2500) | LTE |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - Metal Body - Infrared Sensor |
- | - Fingerprint Sensor (side-mounted) Splash resistant design |
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| OS | Android OS, v6.0.1 (Marshmallow) | Android 8.1 (Oreo) | Android 11 |
| User Interface | MIUI 8 | Funtouch 4.5 | HIOS 7.6 |
| Processor | Quad-core 1.4 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 | Octa-core 2.0 GHz Cortex-A53, Mediatek MT6762 Helio P22 (12 nm) | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), MediaTek MT6765G Helio G35 (12 nm) |
| GPU | Adreno 308 | PowerVR GE8320 | PowerVR GE8320 |
| RAM | 2 GB | 2 GB | 4 GB |
| Internal Memory | 16 GB | 16/32 GB | 64 GB |
| External Memory | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 256 GB (dedicated slot) | microSDXC |
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| Type | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen | FHD+ IPS LCD Screen 500 nits |
| Colors | 16M colors | 16M colors | 16M Colors |
| Size | 5.0 inches | 6.22 inches | 6.6 inches |
| Resolution | 720 x 1280 pixels (294 ppi) | 720 x 1520 pixels (270 ppi) | 1080 x 2408 pixels (400 ppi) |
| Screen-to-Body Ratio | 70.04% | 83.15% | 83.77% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP, 4160 x 3120 pixels | 13 MP | 50 MP + 2 MP |
| Flash | LED Flash | LED Flash | Quad-LED Flash |
| Features | Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama | 13 MP, f/2.2, PDAF Panorama |
50 MP, f/1.6, 27mm (wide), AF 2 MP, f/2.4, (depth) QVGA, f/2.0 (AI lens) HDR |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP, f/2.2, 1080p@30fps [Similar] | 8 MP, f/1.8 [Similar] |
8 MP, (wide) Dual-LED flash 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE, EV-DO Rev.A 3.1 Mbps, VoLTE | HSPA, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE |
| Bluetooth | v4.1, A2DP | 5.0, A2DP, LE | Yes |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot | Wi-Fi 802.11 b/g/n, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB 2.0, USB On-The-Go | microUSB 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 16 GB, 2 GB RAM | 16/32 GB, 2 GB RAM | 64 GB, 4 GB RAM |
| Expandable Storage | microSD, up to 128 GB (uses SIM 2 slot) | microSD, up to 256 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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| 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 |
| Capacity | 3120 mAh | 4030 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 9,990 
