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 ₹16,999, while Vivo Y31 5G is available at ₹19,999 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 | ₹16,999 | ₹19,999 |
| Processor | MediaTek Dimensity 700 | Qualcomm Snapdragon 4 Gen 2 |
| Display | 6.56 inches, HD IPS LCD, 90Hz | 6.68 inches, HD+ LCD, 120Hz |
| Rear Camera | 50MP (Wide-angle), 2MP (Depth), 8MP (Front) | 50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front) |
| Battery | 5000mAh, 33W, Charger in the box | 6500mAh, 44W, Charger in the box |
| RAM/Storage | 8GB (LPDDR4X), 128GB (UFS 2.2) | 4GB (LPDDR4X), 128GB (eMMC 5.1) |
Reasons To Consider
GamingSee More Details
Vivo Y31 5G100
Oppo A78 5G99
CameraSee More Details
Oppo A78 5G100
Vivo Y31 5G99
DisplaySee More Details
Oppo A78 5G100
Vivo Y31 5G82
BatterySee More Details
Vivo Y31 5G100
Oppo A78 5G59
BodySee More Details
Vivo Y31 5G100
Oppo A78 5G33
Key Specifications
| Processor | MediaTek Dimensity 700 | Qualcomm Snapdragon 4 Gen 2 | ||
|---|---|---|---|---|
| Display | 6.56 inches, HD IPS LCD, 90Hz | 6.68 inches, HD+ LCD, 120Hz | ||
| Camera | 50MP (Wide-angle), 2MP (Depth), 8MP (Front) | 50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front) | ||
| Battery | 5000mAh, 33W, Charger in the box | 6500mAh, 44W, 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 | Amazon, Flipkart | ||
| 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 | ||
| Display Size | 6.56 inches | 6.68 inches | ||
| Area | 103.4 cm² | 107.4 cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 89.8% | 84% | ||
| Resolution Width | 720pixels | 720pixels | ||
| Resolution Height | 1612pixels | 1608pixels | ||
| 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+ | ||
| High Brightness | - | 1000nits | ||
| Peak Brightness | 600nits | 1000nits | ||
| Eye Protection | TUV Rheinland certification | TUV Rheinland certification | ||
| Colour Gamut | DCI-P3 | NTSC | ||
| Colour Depth | 1.07 Billion Colours | 16.7 Million Colours | ||
| Touch Sampling Rate | 90Hz | - | ||
| Typical Brightness | 480nits | - |
Body
🏆 Winner: Vivo Y31 5G
| Height | 163.8 mm | 166.14 mm | ||
|---|---|---|---|---|
| Width | 75.1 mm | 77.01 mm | ||
| Thickness | 7.99 mm | 8.39 mm | ||
| Weight | 188 grams | 209 grams | ||
| Screen Material | Glass | Glass | ||
| Display Protection | - | Guardian Glass | ||
| Back Material | Plastic | Plastic | ||
| Side Material | Plastic Frame | Plastic Frame | ||
| Build Quality | - | SGS 5-Star Drop Resistance | ||
| Ports | OTG, USB Type-C 2.0 | USB Type-C 2.0 | ||
| Additional Features | 3.5mm Headphone Jack, OTG | OTG, USB Type-C (bottom) | ||
| IP Rating | IPX4 (Splash Resistance) | IP68/69 (Dust and Water Resistant) | ||
| Speaker | Stereo Speakers | Stereo Speakers |
Processor
🏆 Winner: Vivo Y31 5G
| Chipset Manufacturer | MediaTek | Qualcomm | ||
|---|---|---|---|---|
| Chipset | Dimensity 700 | Snapdragon 4 Gen 2 | ||
| Fabrication Size | 7 nm | 4 nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55 | 2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55 | ||
| GPU | Mali-G57 MC2 | Adreno 613 |
Performance Benchmarks
| AnTuTu | 388228 | 427408 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 711 | 918 |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 12 | 15 | ||
| OS Skin | ColorOS | Vivo Funtouch | ||
| Gaming Mode | - | Yes | ||
| 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 Photo Enhance, AI Screen Translation, AI SuperLink, Circle to Search with Google |
Main Camera
🏆 Winner: Oppo A78 5G
| 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 #1 Camera Features | - | PDAF | ||
| 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 | Documents Mode, Night, panorama, Portrait mode, Pro, Slow-Mo, Underwater Photography | ||
| 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 | - | - | ||
| Video Features | 120fps Slo-mo | Slow Motion, Time-lapse Video | ||
| Video Recording | 1080p@30fps | 1080p@30fps |
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 Lens Type | - | Wide | ||
| Features | Panoramic, Portrait Mode, Selfie Night Mode, Time Lapse | Face unlock, Night, Portrait Mode | ||
| Auto Focus Type | - | Fixed Focus | ||
| Video Recording | 1080@30fps | 1080@30fps | ||
| HDR Recording Support | SDR recording | SDR recording | ||
| Front Camera #1 Focal Length | 27 mm | - | ||
| Video Features | 1080p@30fps | - |
Battery
🏆 Winner: Vivo Y31 5G
| Battery Capacity | 5000mAh | 6500mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | Lithium Ion | ||
| Reverse Wired Charging Support | - | Yes | ||
| Charging Speed Wired | 33W | 44W |
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, E-Compass, Proximity Sensor | ||
| Haptic Feedback | - | Ordinary Motor |
