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| Spec | Vivo Y400 Vivo | Vivo X100 Ultra Vivo |
|---|---|---|
| AI Camera | Yes | — |
| AI Engine | — | Qualcomm AI Engine |
| Always-On Display | Yes | Yes |
| Audio | — | Hi-Res Audio |
| Audio Jack | No | No |
| Battery | 6000mAh | 5500mAh |
| Battery Type | — | Silicon Carbon |
| Bluetooth | 5.0 | 5.4 |
| Build | Composite Plastic Back | Glass Back |
| Charging | 44W FlashCharge | 80W FlashCharge |
| Chipset | Snapdragon 685 | Snapdragon 8 Gen 3 |
| Colors | Dynamic Green, Pearl White | Titanium, White, Black |
| CPU | Octa-core | Octa-core |
| CPU Speed | 4x2.8GHz + 4x1.9GHz | — |
| Depth Sensor | 2MP | — |
| Dimensions | 162.29 x 75.31 x 7.9 mm | 164.1 x 75.6 x 9.2 mm |
| Display | 6.67-inch AMOLED | 6.78-inch LTPO AMOLED |
| Display Type | AMOLED | ZEISS Master Display |
| Extended RAM | 8GB | — |
| Face Unlock | Yes | Yes |
| Fingerprint | In-display | Ultrasonic Under Display |
| Frame | Plastic | Aluminum |
| Front Camera | 32MP | 50MP |
| GPS | GPS, GLONASS, GALILEO | GPS, GLONASS, GALILEO, BDS, NavIC |
| GPU | Adreno 610 | Adreno 750 |
| HBM Brightness | 1200 nits | — |
| HDR | HDR Support | HDR10+, Dolby Vision |
| Infrared Port | — | Yes |
| Main Camera | 50MP | 50MP 1-inch Sony LYT-900 OIS |
| Memory Card | No | No |
| Network | 2G,3G,4G | 2G,3G,4G,5G |
| NFC | Yes | Yes |
| Night Mode | Yes | — |
| OS | Android 15 | Android 14 |
| Peak Brightness | 1800 nits | 3000 nits |
| Periscope Camera | — | 200MP ZEISS APO Telephoto |
| Pixel Density | 394 ppi | 517 ppi |
| Portrait Mode | Yes | — |
| Process | 6nm | — |
| Protection | Schott Glass | Armor Glass |
| RAM | 8GB | 12GB / 16GB |
| RAM Type | LPDDR4X | LPDDR5X |
| Rear Camera | 50MP + 2MP | 50MP + 50MP + 200MP |
| Refresh Rate | 120Hz | 1-120Hz |
| Release Date | 2025 | May 2024 |
| Resolution | 2400 x 1080 | 1440 x 3200 |
| Reverse Charging | Yes | Yes |
| SIM | Dual Nano SIM | Dual Nano SIM |
| Speakers | Stereo Speakers | Stereo Speakers |
| Status | Available | Available |
| Storage | 256GB | 256GB / 512GB / 1TB |
| Storage Type | UFS 2.2 | UFS 4.0 |
| Touch Sampling Rate | — | 300Hz |
| UI | Funtouch OS 15 | OriginOS 4 |
| Ultra Wide Camera | — | 50MP |
| USB | USB Type-C | USB Type-C 3.2 |
| Video Recording | 1080p | 8K, 4K 120fps |
| Water Resistance | IP68/IP69 | IP68/IP69 |
| Weight | 196g | 229g |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 7 |
| Wireless Charging | No | 30W |