Scores
| Total | 80 | 78 |
General
| Brand | Vivo | Oppo |
| Model | Vivo Y400 5G | Oppo A6 5G |
| Variant | 8GB + 128GB | 6GB + 128GB |
| Device Type | Smartphone | Smartphone |
| Release Date | 4 August 2025 | 13 January 2026 |
| In Box | Phone, 90W Charger, USB-C Cable, SIM Tool | Phone × 1, Charger × 1, USB Data Cable × 1, SIM Ejector Tool × 1, Protective Case × 1, Quick Guide × 1 |
Display
| Size | 6.67 inches | 6.57 inches |
| Type | AMOLED | AMOLED |
| Resolution | 1080 × 2400 | 1080 × 2372 |
| PPI | 394 | 397 |
| Refresh Rate | 120 Hz | 120 Hz |
| HDR | ✅ Yes | ❌ No |
| Brightness | 1800 nits | 1400 nits |
| Screen to Body Ratio | ~ 91.9 % | ~ 89.09 % |
Performance
| Chipset | Snapdragon 4 Gen 2 | Dimensity 6300 |
| CPU Cores | 8 | 8 |
| Cores Details | 2.2 | Octa core (2.4 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55) |
| Max Clock Speed | 2.2 GHz | 2.4 GHz |
| GPU | Mali-G57 MC2 | |
| RAM | 8GB | 6GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Storage | 128 Gb |
Camera
| Rear Camera | 50 MP (wide) + 2 MP (depth) | 50 MP (wide) + 2 MP (mono) |
| Rear Video | 1080p@30fps | Full HD @30/ 60fps, HD @30/ 60/ 120fps |
| Flash | ✅ Yes | ✅ Yes |
| Front Camera | 32 MP (wide) | 16 MP (wide) |
| Front Video | 1080p@30fps | Full HD @30fps, HD @30fps |
Battery & Charging
| Battery Type | Lithium-Polymer (Li-Po) | Lithium-Polymer (Li-Po) |
| Capacity | 6000 mAh | 7000 mAh |
| Fast Charging | 90 W | 45 W |
| Wireless Charging | No | No |
| Reverse Charging | No | No |
Software
| Operating System | Android | Android |
| OS Version | v15 | v15 |
| Update Policy | 3 | 3 years of software updates and 5 years of security updates |
| 5G | ✅ Yes | ✅ Yes |
| 4G | ✅ Yes | ✅ Yes |
| 3G | ✅ Yes | ✅ Yes |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano‑SIM, dual stand‑by) |
| Wi-Fi | 5 | Wi-Fi 5 (802.11ac) |
| Bluetooth | v5.4 | v5.4 |
| USB | v2 | v2.0 |
| NFC | ❌ No |
| Height | 162.29 mm | 166.6 mm |
| Width | 75.31 mm | 78.5 mm |
| Thickness | 7.9 mm | 8.6 mm |
| Weight | 197 g | 216 g |
| Water Resistance, IP Rating | IP68 & IP69 | IP68/IP69, Water Resistance 1.5 m upto 30 min |
| Colors | Olive Green, Glam White | Sakura Pink, Ice White, Sapphire Blue |
| Fingerprint | Under-display Optical | Under-display Optical |
| Face Unlock | ✅ Yes | ✅ Yes |
| Speakers | 2 | 2 |
| Stereo Speakers | ✅ Yes | ✅ Yes |
| Headphone Jack | ✅ Yes | ❌ No |
| Dedicated Cooling | ❌ No | ✅ Yes |
| Gaming Triggers | ❌ No | ❌ No |
| AI FPS Generation | ❌ No | ❌ No |