Oppo A78 5G vs Vivo Y31 5G
Compare Oppo A78 5G and Vivo Y31 5G to understand which one suits your needs the best. The Oppo A78 5G is priced from ₹17,399, while Vivo Y31 5G is available at ₹16,999 respectively. In terms of performance and features, each device offers a unique combination of processor, display, camera, and battery capabilities. Explore their complete specifications and key differences side-by-side to make a well-informed buying decision.
Oppo A78 5G vs Vivo Y31 5G Comparison Overview
| Key Highlights | Oppo A78 5G | Vivo Y31 5G |
|---|---|---|
| Price | ₹17,399 | ₹16,999 |
| Processor | MediaTek Dimensity 700 | Qualcomm Snapdragon 4 Gen 2 |
| Display | 6.56", HD IPS LCD, 90Hz | 6.68", HD+ LCD, 120Hz |
| Rear Camera | 50MP (Wide-angle), 2MP (Depth), 8MP (Front) | 50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front) |
| Battery | 5000mAh, 33Watt, Charger in the box | 6500mAh, 44Watt, Charger in the box |
| RAM/Storage | 8GB (LPDDR4X), 128GB (UFS 2.2) | 4GB (LPDDR4X), 128GB (eMMC 5.1) |
Performance Scorecard
GamingSee More Details
Oppo A78 5G100
Vivo Y31 5G91
CameraSee More Details
Oppo A78 5G100
Vivo Y31 5G100
DisplaySee More Details
Oppo A78 5G100
Vivo Y31 5G84
BatterySee More Details
Vivo Y31 5G100
Oppo A78 5G59
BodySee More Details
Vivo Y31 5G100
Oppo A78 5G64
Key Specifications
| Processor | MediaTek Dimensity 700 | Qualcomm Snapdragon 4 Gen 2 | ||
|---|---|---|---|---|
| Display | 6.56", HD IPS LCD, 90Hz | 6.68", HD+ LCD, 120Hz | ||
| Camera | 50MP (Wide-angle), 2MP (Depth), 8MP (Front) | 50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front) | ||
| Battery | 5000mAh, 33Watt, Charger in the box | 6500mAh, 44Watt, Charger in the box | ||
| RAM | 8GB (LPDDR4X) | 4GB (LPDDR4X) | ||
| Storage | 128GB (UFS 2.2) | 128GB (eMMC 5.1) |
General
| Box Contents | Phone, 33W Charger, Type-C Cable, Case, SIM Ejector Tool | Phone, 44W Charger, Type-C Cable, SIM Ejector Tool, Case | ||
|---|---|---|---|---|
| Colors | Glowing Black, Glowing Blue, Glowing Purple | Rose Red, Diamond Green | ||
| Launch | January 16, 2023 | September 15, 2025 | ||
| Stores | Flipkart, Amazon | Vivo, Amazon, Flipkart, Croma, Vijay Sales | ||
| Launch Country | India | India | ||
| Launch Price | ₹18,999 | ₹14,999 |
Display
🏆 Winner: Oppo A78 5G
| Display Type | IPS LCD | LCD | ||
|---|---|---|---|---|
| Refresh Rate | 90Hz | 120Hz | ||
| Playback Quality | SDR | SDR | ||
| Touch Sampling Rate | 90Hz | - | ||
| Display Size | 6.56 inches | 6.68 inches | ||
| Area | 103.4cm² | 107.4cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 89.8 | 84 | ||
| Resolution Width | 720 pixels | 720 pixels | ||
| Resolution Height | 1612 pixels | 1608 pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 269ppi | 264ppi | ||
| Display Bit Rate | 10-bit | 8-bit | ||
| Color Gamut Range | 100% | 83% | ||
| Display Resolution | HD | HD+ | ||
| Typical Brightness | 480 nits | - | ||
| Peak Brightness | 600 nits | 1000 nits | ||
| Eye Protection | TUV Rheinland certification | TUV Rheinland certification | ||
| Colour Gamut | DCI-P3 | NTSC | ||
| Colour Depth | 16.7 Million Colours | 16.7 Million Colours | ||
| High Brightness | - | 1000 nits |
Body
🏆 Winner: Vivo Y31 5G
| Height | 163.8mm | 166.14mm | ||
|---|---|---|---|---|
| Width | 75.1mm | 77.01mm | ||
| Thickness | 7.99mm | 8.39mm | ||
| Weight | 188 grams | 209 grams | ||
| Screen Material | Glass | Glass | ||
| Display Protection | Dragontrail Glass | - | ||
| Back Material | Plastic | Plastic | ||
| Side Material | Plastic Frame | Plastic Frame | ||
| Ports | OTG, USB Type-C 2.0 | USB Type-C 2.0 | ||
| Additional Features | 3.5mm Headphone Jack, OTG | OTG | ||
| IP Rating | IPX4 (Splash Resistance) | IP68/69 (Dust and Water Resistant) | ||
| Speaker | Stereo Speakers | Stereo Speakers | ||
| Sound Tuning | No Tuning | No Tuning | ||
| Build Quality | - | MIL-STD-810H compliant* |
Processor
🏆 Winner: Vivo Y31 5G
| Chipset Manufacturer | MediaTek | Qualcomm | ||
|---|---|---|---|---|
| Chipset | Dimensity 700 | Snapdragon 4 Gen 2 | ||
| Fabrication Size | 7nm | 4nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 | 2 × 2.2 GHz + 6 × 1.95 GHz | ||
| GPU | Mali-G57 MC2 | - |
Performance Benchmarks
| AnTuTu | 388228 | 427408 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 711 | 918 | ||
| Geekbench 6 CPU Multi-Core | 1783 | 2121 |
Main Camera
🏆 Winner: Tie
| Main Camera #1 Megapixel | 50MP | 50MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/1.8 | f/1.8 | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #2 Megapixel | 2MP | 0.08MP | ||
| Main Camera #2 Aperture | f/2.4 | f/3.0 | ||
| Main Camera #2 Lens Type | Depth | Auxiliary | ||
| Features | Expert, HDR, Scene Mode, Slow Motion | Night, panorama, Pro, Slow-Mo | ||
| Camera Stabilization | No Stabilization | No Stabilization | ||
| Dynamic Video Recording Support | SDR recording | SDR recording | ||
| Slow Motion Recording | 120 fps slomo | 120 fps slomo | ||
| Auto Focus Type | PDAF | PDAF | ||
| Dedicated Imaging Chip | No Chip | No Chip | ||
| Lens Enhancements | No enhancement | No enhancement | ||
| Video Features | 120fps Slo-mo | 120fps Slo-mo | ||
| Video Recording | 1080p@30fps | 1080p@30fps | ||
| Main Camera #1 Camera Features | - | PDAF |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 12 | 15 | ||
| OS Skin | ColorOS | Vivo Funtouch | ||
| OS Updates | 1 year(s) | 2 year(s) | ||
| Security Updates | 2 year(s) | 3 year(s) | ||
| AI Features | AI Camera | AI Camera, AI Erase, AI Screen Translation, AI SuperLink, Circle to Search with Google | ||
| Gaming Mode | - | Yes |
Selfie Camera
🏆 Winner: Vivo Y31 5G
| Front Camera #1 Megapixel | 8MP | 8MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.0 | f/2.0 | ||
| Front Camera #1 Focal Length | 27mm | - | ||
| Features | Panoramic, Portrait Mode, Selfie Night Mode, Time Lapse | Face unlock, Night, Portrait Mode | ||
| Video Features | 1080p@30fps | 1080@30fps | ||
| Video Recording | 1080@30fps | 1080@30fps | ||
| HDR Recording Support | SDR recording | SDR recording | ||
| Front Camera #1 Lens Type | - | Wide | ||
| Auto Focus Type | - | Fixed Focus |
Battery
🏆 Winner: Vivo Y31 5G
| Battery Capacity | 5000mAh | 6500mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | Lithium Ion | ||
| Charging Speed Wired | 33W | 44W | ||
| Reverse Wired Charging Support | - | Yes |
Network
| Sim Type | Dual SIM (nano-SIM, dual stand-by) | Hybrid Dual SIM (2 Nano SIMs, 1 Nano SIM+1 microSD) | ||
|---|---|---|---|---|
| Network Support | 5G | 5G | ||
| Band Types | 5G, GSM, HSPA, LTE | 5G, GSM, LTE FDD, LTE TD, WCDMA | ||
| 2G Bands | 1800, 1900, 850, 900 | 1800, 850, 900 | ||
| 3G Bands | 1, 2, 4, 5, 6, 8, 19 | WCDMA 1, 5, 8 | ||
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39,40, 41, 66, | LTE 1, 3, 5, 8, 28B, 38, 40, 41 | ||
| 5G Bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA | SA/NSA 1, 3, 5, 8, 28, 40, 77, 78 |
Connectivity
🏆 Winner: Oppo A78 5G
| Wi-Fi Standards | Wi-Fi 5 802.11 a/b/g/n/ac | Wi-Fi 5 802.11 a/b/g/n/ac | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 5 | WiFi 5 | ||
| Bluetooth Version | 5.3 | 4.2 | ||
| Bluetooth Codecs | A2DP, aptX Adaptive, LE | A2DP, AAC, LE | ||
| GPS | A-GPS, GPS, QZSS | Beidou, Galileo, Glonass, GPS, QZSS | ||
| NFC Support | Supported | - |
Features
| Fingerprint Scanner | Side Mounted | Side Mounted | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Ambient Light Sensor, Compass, Geomagnetic Sensor, Pedometer, Proximity Sensor | Accelerometer, Ambient Light Sensor, Proximity Sensor |
