OPPO F31 5G vs vivo Y400 5G
Key differences
- The vivo Y400 5G launched ₹1,000 cheaper than the OPPO F31 5G (₹21,999 vs ₹22,999).
- The OPPO F31 5G has the bigger battery: 7,000mAh against 6,000mAh.
- The vivo Y400 5G charges faster, at 90W wired against 80W.
Full specifications compared
| Specification | OPPO F31 5G | vivo Y400 5G |
|---|---|---|
| Spec score | 6.6/10 | 6.5/10 |
| Brand | OPPO | vivo |
| Model | F31 5G | Y400 5G |
| India launch date | 15 September 2025 | 4 August 2025 |
| First sale | Not published | 7 August 2025 |
| Launch price | From ₹22,999 | From ₹21,999 |
| Variants | 8GB RAM + 128GB · 8GB RAM + 256GB | 8GB RAM + 128GB · 8GB RAM + 256GB |
| Display | 6.57", 2372x1080, 120Hz | 6.67", AMOLED, 2400x1080, 120Hz, 1,800 nits peak |
| Screen protection | AGC DT-Star D+ | Not published |
| Processor | MediaTek Dimensity 6300 | Snapdragon 4 Gen 2 |
| RAM | 8GB | 8GB |
| Storage | 128GB / 256GB | 128GB / 256GB |
| Rear camera | 50MP main + 2MP mono | 50MP main |
| Front camera | 16MP | 32MP |
| Rear video | 1080p@60 | Not published |
| Front video | 1080p@30 | Not published |
| Battery | 7,000mAh | 6,000mAh |
| Wired charging | 80W | 90W |
| Wireless charging | Not published | Not published |
| 5G | Yes | Yes |
| eSIM | Not published | Not published |
| Operating system | ColorOS 15.0 | Android 15, Funtouch OS 15 |
| OS updates promised | Not published | Not published |
| Water/dust rating | Not published | IP68/IP69 |
| Weight | 185 g | 198 g |
| Thickness | 8 mm | 7.99 mm |
| NFC | No | No |
| Wi-Fi | Wi-Fi 5 | Not published |
| Bluetooth | 5.4 | Not published |
| USB | USB-C | USB 2.0 |
| Fingerprint | optical in-display | optical in-display |
| Colours | Not published | Olive Green, Glam White |
Frequently asked questions
OPPO F31 5G or vivo Y400 5G — which is better?
On our spec score the OPPO F31 5G is ahead, 6.6/10 against 6.5/10. Spec score = processor tier 30% + camera hardware 25% + display 15% + battery and charging 15% + promised software updates 15%, calculated from the official specifications. It is not a hands-on review. The vivo Y400 5G launched ₹1,000 cheaper than the OPPO F31 5G (₹21,999 vs ₹22,999). The OPPO F31 5G has the bigger battery: 7,000mAh against 6,000mAh.