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Asus Zenfone AR ZS571KL  4.1/10 | Vivo V17 Pro 5.6/10 |
| OS | Android 7.0 (Nougat) | Android 9.0 (Pie); Funtouch 9.1 |
| RAM | 6 GB -16.4 | 8 GB +11.5 |
| Internal | 64/128/256 GB +41.3 | 128 GB -29.4 |
| CPU | Quad-core (2x2.35 GHz Kryo & 2x1.6 GHz Kryo) | Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver) |
| GPU | Adreno 530 | Adreno 612 |
| Chipset | Qualcomm MSM8996 Snapdragon 821 | Qualcomm SDM675 Snapdragon 675 (11 nm) |
| Type | Super AMOLED capacitive touchscreen, 16M colors | Super AMOLED capacitive touchscreen, 16M colors |
| Size | 5.7 inches (13.965 cm) -17.1 | 6.44 inches (15.778 cm) -6.3 |
| Resolution | 1440x2560 +57.9 | 1080x2400 +11 |
| Pixel density | 515 Pixels per inch +45.5 | 409 Pixels per inch +15.5 |
| Screen/body ratio | 72.6% -14 | 84.3% -0.1 |
| Multi-touch | 10 fingers | |
| Protection | Corning Gorilla Glass 4 | Corning Gorilla Glass 6 |
| Loudspeaker | Voice 67dB / Noise 72dB / Ring 89dB | |
| Quality | Noise -93.5dB / Crosstalk -94.5dB | |
| Alerts | MP3, WAV ringtones, Vibration | |
| Output | 3.5mm | 3.5mm |
24-bit/192kHz audio DTS Headphone X DTS HD sound enhancement Active noise cancellation with dedicated mic | Active noise cancellation with dedicated mic | |
| Radio | FM radio | FM radio |
| Type | Photo / Video | |
| Primary | 23 MP, f/2.0, OIS (4-axis), 3x zoom, phase detection autofocus, depth & motion tracking sensors -51 | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 16mm (ultrawide), 1/4.0", 1.12µm 13 MP, (telephoto), 1/3.1", 1.12µm, PDAF, 2x optical zoom 2 MP, f/2.4, 1/5", 1.75µm, depth sensor +2.2 |
| Video | [email protected], [email protected] | [email protected] |
| Secondary | 8 MP, f/2.0, 1080p -46.6 | Motorized pop-up 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm +113.8 |
| Features | 1/2.6" sensor size, 1 µm pixel size, geo-tagging, touch focus, face detection, HDR, panorama | HDR |
| Capacity | Non-removable Li-Ion 3300 mAh battery -36.5 | Non-removable Li-Po 4100 mAh battery -21.1 |
| Height | 15.87 cm (6.48 inch) -6.4 | 15.9 cm (6.49 inch) -6.2 |
| Width | 7.77 cm (3.17 inch) -6.9 | 7.47 cm (3.05 inch) -10.5 |
| Thickness | 0.9 cm (0.37 inch) +3 | 0.98 cm (0.4 inch) +12.2 |
| Volume | 110.97891cm3 (6.77 inch3) -11.6 | 116.39754cm37.1 inch3) -7.3 |
| Weight | 170 g (6.00 oz) -24.3 | 201.8 g (7.13 oz) -10.1 |
| Colors | Black | Crystal Black, Crystal Sky, Midnight Ocean |
| GPS | A-GPS, BDS, GLONASS | A-GPS, BDS, GALILEO, GLONASS |
| Expandable memory | microSD, up to 256 GB (uses SIM 2 slot) | No |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| Sensors | Accelerometer, Barometer, Compass, Fingerprint (front-mounted), Gyro, Proximity | Accelerometer, Compass, Fingerprint (under Display, Gyro, Optical), Proximity |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| GPRS | Yes | |
| Edge | Yes | |
| Speed | HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat12 600/75 Mbps | HSPA 42.2/5.76 Mbps LTE-A |
| Bluetooth | 4.2, A2DP, LE | 5.0, A2DP, LE |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| NFC | Yes (market/region dependent) |
| Modals | Global, NorthAmerica | |
| Network | Asus Zenfone AR ZS571KL fsupported network frequencies | Vivo V17 Pro fsupported network frequencies |
| Messaging | Email, IM, MMS, Push Mail, SMS(threaded view) | |
| Browser | HTML5 | |
| Java | No | |
| Document viewer Fast battery charging: 60% in 39 min (Quick Charge 3.0) Google Drive (100 GB cloud storage) MP3/WAV/eAAC+/FLAC player MP4/H.264 player Photo/video editor Project Tango Reverse charging (1.5A) |
| Vendor | Asus | Vivo |
| Modal year | 2017 | 2019 |
| Announced | 2017 January | 2019 September |
| Released | 2017 June | 2019 September |
| Status | Available. Released 2017, June | Available. Released 2019, September |
| Rating |
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| Pros | 256 GB internal memory. 1440x2560 screen resolution. 515ppi pixel density. Corning Gorilla Glass 4. Compact dimensions (15.87x7.77x0.9cm). Light weight, 170g. Fast battery charging. Quick charge. Dual SIM. Fingerprint sensor. Type-C USB. External memory expansion slot: microSD, up to 256 GB (uses SIM 2 slot) View details... | 8 GB RAM 1080x2400 screen resolution. 409ppi pixel density. Corning Gorilla Glass 6. 48 MP primary camera. 32 MP front camera. Compact dimensions (15.9x7.47x0.98cm). Light weight, 201.8g. Dual SIM. Fingerprint sensor. Type-C USB. 3 colors. View details... |
| Cons | 6 GB RAM. 5.7 inch Super AMOLED capacitive touchscreen, 16M colors. 72.6% screen/body ratio. 23 MP primary camera. 8 MP front camera. Thicker, 0.9cm. 3300 mAh battery. Not water resistant. Non-removable battery. View details... | 128 GB internal memory. 6.44 inch Super AMOLED capacitive touchscreen, 16M colors. 84.3% screen/body ratio. Thicker, 0.98cm. 4100 mAh battery. No external memory expansion slot. Not water resistant. Non-removable battery. View details... |
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