Phone Comparison - vivo Y55s vs Xiaomi Redmi Note 9 4G vs vivo iQOO U5
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| Manufacturer | vivo | Xiaomi | vivo |
| Announced | February 2017 | November 2020 | December 2021 |
| Status | Coming Soon - February 2017 | Coming Soon - December 2020 | Coming Soon - January 2022 |
| Colors | Crown Gold, Space Gray | Gray, Green, Blue, Orange | White, Gray, Aurora |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in) |
164 x 75.8 x 8.3 mm (6.46 x 2.98 x 0.33 in) |
| Weight | - | 198 g (6.98 oz) | 185 g (6.53 oz) |
| SIM Type | Dual 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 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA2000 1x |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 2100 |
| 4G Network | LTE band 3(1800), 5(850), 40(2300) | 1, 3, 5, 8, 34, 38, 39, 40, 41 | 1, 3, 4, 5, 8, 28, 34, 38, 39, 40, 41 |
| 5G Network | - | - | 1, 5, 8, 28, 41, 77, 78 SA/NSA |
| Messaging | SMS, MMS, EMail, IM | ||
| Build Features | - | - Fingerprint Sensor |
- Fingerprint Sensor (side-mounted) ) |
| Notification LED | No | - | - |
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| OS | Android OS, v6.0 (Marshmallow) | Android 10 | Android 12 |
| User Interface | - | MIUI 12 | Origin OS Ocean |
| Processor | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 | Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) | Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver), Qualcomm SM6375 Snapdragon 695 5G (6 nm) |
| GPU | Adreno 306 | Adreno 610 | Adreno 619 |
| RAM | 3 GB | 8 GB | 8 GB |
| Internal Memory | 16 GB | 256 GB | 128 GB |
| External Memory | microSD, up to 256 GB (dedicated slot) | microSDXC (dedicated slot) | microSDXC |
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| Type | IPS LCD Capacitive Touchscreen | IPS LCD Screen Corning Gorilla Glass 3 400 nits (typ) |
FHD+ IPS LCD Screen 120Hz Refresh Rate HDR10 |
| Colors | 16M colors | 16M Colour | 16M Colors |
| Size | 5.2 inches | 6.53 inches | 6.58 inches |
| Resolution | 720 x 1280 pixels (282 ppi) | 1080 x 2340 pixels (395 ppi) | 1080 x 2408 pixels (401 ppi) |
| Screen-to-Body Ratio | - | 83.29% | 83.94% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 13 MP | 48 MP + 8 MP + 2 MP | 50 MP + 2 MP |
| Flash | LED Flash | LED Flash | LED Flash |
| Features | Autofocus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) HDR, Panorama |
50 MP, f/1.8, 26mm (wide), PDAF 2 MP, f/2.4, (macro) HDR, Panorama |
| Video | 1080p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 5 MP [Similar] |
8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm 1080p@30fps [Similar] |
8 MP, f/1.8, (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-A | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Bluetooth | v4.0, A2DP | 4.2, A2DP | 5.1, A2DP, LE, aptX HD/Adaptive |
| Wi-Fi | 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 | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| Browser | HTML5 | Yes | Yes |
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| Internal | 16 GB, 3 GB RAM | 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM | 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM UFS 2.1 |
| Expandable Storage | microSD, up to 256 GB (dedicated slot) | microSDXC (dedicated slot) | microSDXC |
| USB OTG | Not 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-Ion Battery | Non-removable Li-Po Battery Fast battery charging 18W Reverse charging 2.5W |
Non-removable Li-Po Battery Fast battery Charging 18W |
| Capacity | 2730 mAh | 6000 mAh | 5000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
