Compare vivo iQOO Z9s Pro vs vivo Y31
| vivo iQOO Z9s Pro Choose another device | vivo Y31 Choose another device | |
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Launch
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| Version | August 2024 | September 2025 |
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Network
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| Technology | 5G | 5G |
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Body
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| Dimensions | 163.7 x 75 x 7.5 or 8.0 mm | 166.1 x 77 x 8.4 mm (6.54 x 3.03 x 0.33 in) |
| Weight | 185 g or 190 g | 209 g (7.37 oz) |
| SIM | Dual SIM | Nano-SIM + Nano-SIM |
| Design | ||
| Others | IP64, dust and water resistant | IP68/IP69 dust tight and water resistant |
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Display
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| Type | AMOLED, 1B colors, 120Hz, HDR10+ | IPS LCD, 120Hz |
| Size | 6.77 inches | 6.68 inches |
| Resolution | 1080 x 2392 pixels | 720 x 1608 pixels |
| Protection | Schott Xensation | Guardian Glass |
| Various | ||
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Platform
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| Operating System | Android 14, Funtouch 14 | Android 15, Funtouch 15 |
| Chipset | Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm) | Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm) |
| CPU | Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8 GHz Cortex-A510) | Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55) |
| GPU | Adreno 720 | Adreno 613 |
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Memory
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| Card Slot | No | microSDXC |
| Internal | 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM | 128GB 4GB RAM, 128GB 6GB RAM |
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Camera
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| Primary | 50 MP (f/1.8) (Optical Image Stabilization) + 8 MP (120Ëš) | 50 MP, f/1.8, (wide) + Auxiliary lens |
| Features | LED flash, HDR, panorama | Ring-LED flash, panorama |
| Video | 4K@30/60fps, 1080p | 1080p@30fps |
| Selfie | 16 MP (1080p@30fps) | 8 MP 1080p@30fps |
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Sound
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| Loudspeaker | Yes, with stereo speakers | Yes, with stereo speakers |
| 3.5mm Jack | No | No |
| Extra | 24-bit/192kHz Hi-Res audio | 24-bit/192kHz Hi-Res audio |
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Comms
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| Wifi | a/b/g/n/ac/6, dual-band | a/b/g/n/ac, dual-band |
| Bluetooth | 5.4 | 4.2 |
| GPS | Yes | Yes |
| NFC | No | No |
| Infrared | ||
| Radio | FM radio | No |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
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Features
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| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, proximity, compass |
| Miscellaneous | ||
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Battery
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| Battery type | 5500 mAh | 6500 mAh |
| Charging | 80W wired, 7.5W reverse wired | 44W wired, Reverse wired |
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Misc
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| Colors | Flamboyant Orange, Luxe Marble | Rose Red, Diamond Green |
| Models | ||
| Inside the box | ||
| Price | 400 USD | 160 USD |
| vivo iQOO Z9s Pro: More information Choose another device | vivo Y31: More information Choose another device | |
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