This is a side-by-side specs comparison of the OPPO A78 5G and vivo Y31d smartphones.
The OPPO A78 5G features a 6.56-inch display, 5,000mAh battery, 33W fast charging, MediaTek Dimensity 700 chipset and 5G connectivity.
Meanwhile, the vivo Y31d features a slightly larger 6.75-inch display, 7,200mAh battery, 44W fast charging, IP68 dust & water resistance and Qualcomm Snapdragon 6s Gen 2 chipset. It is slightly more expensive.
| Specs | OPPO A78 5G | vivo Y31d |
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| Picture & Ratings |
★★★★★ 3.4/5 stars (110)
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★★★★★ 2.9/5 stars (27)
✔ Available on
Shopee
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| Design and Display | ||
| Display | 6.56-inch HD+ IPS LCD Display (720 x 1612 Pixels 269 ppi) with Panda Glass, 20:9 Aspect Ratio, 90Hz Refresh Rate, 600nits high brightness mode, and notch | 6.75-inch HD+ IPS LCD Display (720 x 1570 Pixels, 256 ppi) with 120Hz Refresh Rate, 1250nits high brightness mode (HBM), and punch-hole |
| Size | 163.8 x 75.1 x 7.99 mm | 166.64 x 78.43 x 8.49 mm |
| Weight | 188 g | 216 g |
| Build | Glass front and back | Glass front, Plastic back |
| Durability | IPX4 Water Resistance | IP68/IP69 dust & water resistance; SGS 5-Star Drop Resistance |
| Colors | Glowing Black and Glowing Purple | Starlight Gray, Feather Gold |
| Our pick: |
✔
vivo Y31d The vivo Y31d has a larger and smoother display. It is also more durable, while the OPPO A78 5G is lighter and thinner. |
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| Performance | ||
| Chipset | MediaTek Dimensity 700 | Qualcomm Snapdragon 6s Gen 2 (6 nm) |
| CPU | Octa Core CPU 2x Cortex-A76 @ 2.2GHz & 6x Cortex-A55 @ 2.0GHz |
Octa Core CPU 4x Cortex-A73 @ 2.9GHz & 4x Cortex-A53 @ 1.9GHz |
| GPU | Mali-G57 MC2 | Adreno 610 |
| RAM | 8 GB | 6GB or 8GB of RAM |
| Storage | 128GB | 128GB or 256GB |
| Expansion | 1TB via microSD | None |
| OS | Android 12 with ColorOS 13 | Android 16 with OriginOS 6 |
| Our pick: |
Tie
Both phones offer comparable performance specs. |
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| Cameras | ||
| Rear Camera | Dual Cameras: 50MP Main Camea (f/1.8 Aperture, Autofocus) 2MP Depth Sensor -LED Flash -Up to 1080p video recording |
Dual Cameras: 50MP Main Camera (f/2.0 Aperture, Autofocus) 2MP Depth Camera (f/2.4 Aperture) -Ring-LED Flash -Up to 1080p video recording |
| Front Camera |
8 Megapixels (f/2.0 Aperture) - Up to 1080p video recording |
8 Megapixels (f/2.05 Aperture) - Up to 1080p video recording |
| Our pick: |
Tie
Based on the listed specifications, both phones offer comparable camera capabilities. Actual camera quality may still differ due to image processing and real-world performance. |
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| Connectivity | ||
| Networks | 5G, 4G LTE (with VoLTE), 3G HSPA+, 2G EDGE & GPRS Networks | 4G LTE, 3G HSPA+, 2G EDGE & GPRS Networks |
| Wi-Fi | Wi-Fi 802.11 b/g/n/ac (dual band) | Wi-Fi 802.11 b/g/n/ac (dual band) |
| SIM | Dual SIM (Nano-SIM) | Dual SIM (Nano-SIM) |
| NFC | Yes | No |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.1 |
| Infrared | Yes | |
| Location | GPS, GLONASS, GALILEO, BeiDou | GPS, GLONASS, GALILEO, BeiDou |
| Our pick: |
✔
OPPO A78 5G
The OPPO A78 5G has better cellular connectivity. |
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| Audio and Features | ||
| USB OTG | Yes | Yes |
| USB | USB Type-C | USB Type-C |
| 3.5mm Audio Jack | Yes | No |
| Audio Enhancement | Stereo Dual Speakers | Dual Speakers with up to 400% volume |
| FM Radio | No | No |
| Sensors |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass & Accelerometer |
Face Recognition & Fingerprint Sensor Proximity Sensor & Ambient Light Sensor Compass, Gyroscope & Accelerometer |
| Our pick: |
✔
vivo Y31d
Based on the specs, it has higher maximum volume and a gyroscope. |
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| Battery and Charging | ||
| Battery | 5000 mAh Li-Po Battery (Non-removable) | 7200 mAh Si/C Battery (Non-removable) |
| Charging | 33W Fast Charging (SUPERVOOC, 100% in 67 minutes) | 44W Charging Rate (50% in 43 minutes) |
| Our pick: |
✔
vivo Y31d
The vivo Y31d has a larger battery capacity and faster charging. |
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| Price and Availability | ||
| Price | ₱14,999.00 - Official Price in the Philippines | ₱15,999.00 - Official price of 6GB+128GB version in the Philippines ₱18,999.00 - Official price of 6GB+256GB version in the Philippines ₱20,999.00 - Official price of 8GB+256GB version in the Philippines |
| Release Date | March 26, 2023 | May 9, 2026 |
| Buy Online |
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