Phone Comparison - Realme X3 5G vs Infinix Zero 8i vs vivo Y31
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| Price Comparison (India) | - | - | |
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| Manufacturer | Realme | Infinix | vivo |
| Announced | Not announced yet | 2020, August 27 | January 2021 |
| Status | Rumored | Coming Soon - August 2020 August 31 | Available - January 2021 |
| Price | - | Rs. 14,999 ($0.00) [Similarly Priced] | - |
| Colors | White, Blue | Silver Diamond, Black Diamond, Green Diamond | Racing Black, Ocean Blue |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
168.7 x 76.1 x 9.1 mm (6.64 x 3 x 0.36 in) |
163.9 x 75.3 x 8.4 mm (6.45 x 2.96 x 0.33 in) |
| Weight | - | 210.5 g (7.41.0.18 oz) | 188 g (6.63 oz) |
| SIM Type | Dual SIM (Nano-SIM, dual stand-by) | 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 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | 1, 3, 5, 8, 38, 40, 41 |
| 5G Network | 5G SA/NSA | - | - |
| Messaging | |||
| Build Features | - Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (side-mounted) |
- Fingerprint Sensor (side-mounted) |
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| OS | Android 10.0 | Android 10 | Android 11 |
| User Interface | Realme UI | XOS 7.0 | Funtouch 11 |
| Processor | Octa-core (1x2.4 GHz Kryo 475 Prime & 1x2.2 GHz Kryo 475 Gold & 6x1.8 GHz Kryo 475 Silver), Qualcomm SDM765 Snapdragon 765G (7 nm) | Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), Mediatek MT6785 Helio G90T (12 nm) | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) |
| GPU | Adreno 620 | Mali-G76 MC4 | Adreno 610 |
| RAM | 12 GB | 8 GB | 6 GB |
| Internal Memory | 256 GB | 128 GB | 128 GB |
| External Memory | microSDXC | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
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| Type | IPS LCD Capacitive Touchscreen | FHD+ IPS LCD capacitive touchscreen 90Hz refresh rate |
FHD+ IPS LCD Screen |
| Colors | 16M colors | 16M Colour | 16M Colour |
| Size | 6.57 inches | 6.85 inches | 6.58 inches |
| Resolution | 1080 x 2400 pixels (401 ppi) | 1080 x 2460 pixels (392 ppi) | 1080 x 2408 pixels (401 ppi) |
| Screen-to-Body Ratio | - | 86.89% | 84.54% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | - | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 48 MP + 8 MP + 2 MP + 2 MP | 48 MP + 8 MP + 2 MP + AI | 48 MP + 2 MP + 2 MP |
| Flash | LED flash | Quad-LED flash | LED Flash |
| Features | 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, , panorama |
48 MP, (wide), 1/1.79", 0.8µm, PDAF 8 MP, (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) AI Camera HDR, panorama |
48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 2160p@30fps, 1080p@30/60fps; gyro-EIS | 4K@30fps, 1080p@30fps, gyro-EIS | 4K@30fps, 1080p@30fps, gyro-EIS |
| Front Camera |
16 MP, f/2.0, 26mm (wide), 1/3", 1.0µm 2 MP, (depth) HDR 1080p@30fps [Similar] |
16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm 8 MP, (ultrawide), 1/4.0", 1.12µm HDR 1080p@30fps [Similar] |
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm 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, 5G (1.9 Gbps DL) | HSPA 42.2/11.5 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| 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, Wi-Fi 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 | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 256 GB, 12 GB RAM or 128 GB, 8 GB RAM or 64 GB, 6 GB RAM (UFS 2.1) | 128 GB, 8 GB RAM (UFS 2.1) | 128 GB, 6 GB RAM |
| Expandable Storage | microSDXC | 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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| Gyroscope Sensor | |
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| NFC | |
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| Type | Non-removable Li-Po Battery Fast battery charging 18W |
Non-removable Li-Po Battery Fast battery charging 33W |
Non-removable Li-Po Battery Fast battery charging 18W |
| Capacity | 4100 mAh | 4500 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 14,999 
