Phone Comparison - Oppo R15 vs Vivo V9 vs vivo X21 UD
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| Price Comparison (India) | - | - | |
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| Manufacturer | Oppo | vivo | vivo |
| Announced | Not announced yet | March 2018 | March 2018 |
| Status | Rumored | Available - April 2018 | Coming Soon - March 2018 |
| Price | - | Rs. 22,900 ($350.00) [Similarly Priced] | Rs. 29,900 ($450.00) [Similarly Priced] |
| Colors | Red, Black | Rose Gold, Blue, Black | Black, Aurora White, Ruby Red |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
155.1 x 75.2 x 7.3 mm (6.11 x 2.96 x 0.29 in) |
154.8 x 75.1 x 7.9 mm (6.09 x 2.96 x 0.31 in) |
154.5 x 74.8 x 7.4 mm (6.08 x 2.94 x 0.29 in) |
| Weight | 175 g (6.17 oz) | 150 g (5.29 oz) | 156.2 g (5.5.0.07 oz) |
| SIM Type | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Hybrid Dual SIM (Nano-SIM, dual stand-by) | Hybrid 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 CDMA 800 & TD-SCDMA |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 5(850), 40(2300), 41(2500) | LTE band 1(2100), 2(1900), 3(1800), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - Fingerprint Sensor |
- Fingerprint Sensor |
- Fingerprint Sensor |
| Notification LED | Yes | Yes | Yes |
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| OS | Android 8.1 (Oreo) | Android OS, v8.1 (Oreo) | Android 8.1 (Oreo) |
| User Interface | - | FunTouch OS 4.0 | FunTouch OS 4.0 |
| Processor | Octa-core | Octa-core 2.2 GHz Cortex-A53, Qualcomm MSM8953-Pro Snapdragon 626 | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260), Qualcomm SDM660 Snapdragon 660 |
| GPU | - | Adreno 506 | Adreno 512 |
| RAM | 6 GB | 4 GB | 6 GB |
| Internal Memory | 128 GB | 64 GB | 128 GB |
| External Memory | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 256 GB (uses SIM 2 slot) |
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| Type | AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 | IPS LCD Capacitive Touchscreen | Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.28 inches | 6.3 inches | 6.28 inches |
| Resolution | 1080 x 2280 pixels (402 ppi) | 1080 x 2280 pixels (400 ppi) | 1080 x 2280 pixels (402 ppi) |
| Screen-to-Body Ratio | 84.28% | 85.41% | 85.06% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | Dual: 16 MP + 5 MP | Dual 16 MP + 5 MP | Dual 12 MP + 5 MP |
| Flash | LED Flash | Dual-LED Dual-tone Flash | LED Flash |
| Features | Phase Detection Autofocus (PDAF), 1/2.8", 1.12 µm, f/1.7 aperture, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama | Phase Detection Autofocus, f/2.0 aperture lens, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR | Phase Detection Autofocus, f/1.8 + f/2.4 aperture, Dual Pixel PDAF, 1/2.5", 1.4 µm, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | 2160p@30fps, 1080p@30/60fps | 2160p@30fps, 1080p@30fps | 1080p@30fps |
| Front Camera | 20 MP, f/2.0, 1080p [Similar] | 24 MP, f/2.0, 1080p, Moonlight Flash [Similar] | 12 MP, f/2.0, 1080p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE | HSPA, LTE, 4G, VoLTE | HSPA, LTE, 4G VoLTE |
| Bluetooth | 4.2, A2DP, LE, EDR | 4.2, A2DP, LE | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| USB | microUSB 2.0, USB On-The-Go | microUSB 2.0 | microUSB 2.0, USB On-The-Go |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 128 GB, 6 GB RAM | 64 GB, 4 GB RAM | 128 GB, 6 GB RAM |
| Expandable Storage | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 256 GB (uses SIM 2 slot) | microSD, up to 256 GB (uses SIM 2 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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| Light 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 | Non-removable Li-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 3360 mAh | 3260 mAh | 3200 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 22,990 
