Oppo A78 4G vs Vivo Y31 5G
Compare Oppo A78 4G and Vivo Y31 5G to understand which one suits your needs the best. The Oppo A78 4G is priced from ₹16,990, 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 4G vs Vivo Y31 5G Comparison Overview
| Key Highlights | Oppo A78 4G | Vivo Y31 5G |
|---|---|---|
| Price | ₹16,990 | ₹16,999 |
| Processor | Qualcomm Snapdragon 680 | Qualcomm Snapdragon 4 Gen 2 |
| Display | 6.43", FHD+ AMOLED, 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, 67Watt, 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 4G100
Vivo Y31 5G92
CameraSee More Details
Oppo A78 4G100
Vivo Y31 5G99
DisplaySee More Details
Oppo A78 4G100
Vivo Y31 5G79
BatterySee More Details
Vivo Y31 5G100
Oppo A78 4G79
BodySee More Details
Vivo Y31 5G100
Oppo A78 4G97
Key Specifications
| Processor | Qualcomm Snapdragon 680 | Qualcomm Snapdragon 4 Gen 2 | ||
|---|---|---|---|---|
| Display | 6.43", FHD+ AMOLED, 90Hz | 6.68", HD+ LCD, 120Hz | ||
| Camera | 50MP (Wide-angle), 2MP (Depth), 8MP (Front) | 50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front) | ||
| Battery | 5000mAh, 67Watt, 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, 67W Charger, Type-C Cable, Case, SIM Ejector Tool | Phone, 44W Charger, Type-C Cable, SIM Ejector Tool, Case | ||
|---|---|---|---|---|
| Colors | Mist Black, Aqua Green | Rose Red, Diamond Green | ||
| Launch | August 01, 2023 | September 15, 2025 | ||
| Stores | Flipkart, Amazon, Croma | Vivo, Amazon, Flipkart, Croma, Vijay Sales | ||
| Launch Country | India | India | ||
| Launch Price | ₹17,499 | ₹14,999 |
Display
🏆 Winner: Oppo A78 4G
| Display Type | AMOLED | LCD | ||
|---|---|---|---|---|
| Refresh Rate | 90Hz | 120Hz | ||
| Playback Quality | SDR | SDR | ||
| Touch Sampling Rate | 180Hz | - | ||
| Display Size | 6.43 inches | 6.68 inches | ||
| Area | 99.8cm² | 107.4cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 90.8 | 84 | ||
| Resolution Width | 1080 pixels | 720 pixels | ||
| Resolution Height | 2400 pixels | 1608 pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 409ppi | 264ppi | ||
| Display Bit Rate | 8-bit | 8-bit | ||
| Color Gamut Range | 95% | 83% | ||
| Display Resolution | FHD+ | HD+ | ||
| Peak Brightness | 600 nits | 1000 nits | ||
| Eye Protection | Eye Comfort Shield | 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 | 160mm | 166.14mm | ||
|---|---|---|---|---|
| Width | 73.2mm | 77.01mm | ||
| Thickness | 7.93mm | 8.39mm | ||
| Weight | 180 grams | 209 grams | ||
| Screen Material | Glass | Glass | ||
| Display Protection | Gorilla Glass 5 | - | ||
| Back Material | Plastic | Plastic | ||
| Side Material | Plastic Frame | Plastic Frame | ||
| Ports | USB Type-C | USB Type-C 2.0 | ||
| Additional Features | 3.5mm Headphone Jack, OTG | OTG | ||
| IP Rating | IP54 (Dust and Water Resistant) | 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 | Qualcomm | Qualcomm | ||
|---|---|---|---|---|
| Chipset | Snapdragon 680 | Snapdragon 4 Gen 2 | ||
| Fabrication Size | 6nm | 4nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver | 2 × 2.2 GHz + 6 × 1.95 GHz | ||
| GPU | Adreno 610 | - |
Performance Benchmarks
| AnTuTu | 310236 | 427408 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 412 | 918 | ||
| Geekbench 6 CPU Multi-Core | 1444 | 2121 |
Main Camera
🏆 Winner: Oppo A78 4G
| Main Camera #1 Megapixel | 50MP | 50MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/1.8 | f/1.8 | ||
| Main Camera #1 Field of View | 77degree | - | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #1 Camera Features | PDAF | PDAF | ||
| Main Camera #2 Megapixel | 2MP | 0.08MP | ||
| Main Camera #2 Aperture | f/2.4 | f/3.0 | ||
| Main Camera #2 Field of View | 89 | - | ||
| Main Camera #2 Lens Type | Depth | Auxiliary | ||
| Features | HDR | 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 | ||
| Lens Enhancements | No enhancement | No enhancement | ||
| Video Recording | 1080p@30fps | 1080p@30fps | ||
| Dedicated Imaging Chip | - | No Chip | ||
| Video Features | - | 120fps Slo-mo |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 13 | 15 | ||
| OS Skin | ColorOS | Vivo Funtouch | ||
| OS Updates | 1 year(s) | 2 year(s) | ||
| Security Updates | 2 year(s) | 3 year(s) | ||
| Gaming Mode | - | Yes | ||
| AI Features | - | AI Camera, AI Erase, AI Screen Translation, AI SuperLink, Circle to Search with Google |
Selfie Camera
🏆 Winner: Tie
| Front Camera #1 Megapixel | 8MP | 8MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.0 | f/2.0 | ||
| Front Camera #1 Field of View | 83 | - | ||
| Front Camera #1 Lens Type | Wide | Wide | ||
| Auto Focus Type | Fixed Focus | Fixed Focus | ||
| Video Features | 1080p@30fps | 1080@30fps | ||
| Video Recording | 1080@30fps | 1080@30fps | ||
| HDR Recording Support | SDR recording | SDR recording | ||
| Features | - | Face unlock, Night, Portrait Mode |
Battery
🏆 Winner: Vivo Y31 5G
| Battery Capacity | 5000mAh | 6500mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | Lithium Ion | ||
| Reverse Wired Charging Support | Yes | Yes | ||
| Charging Speed Wired | 67W | 44W |
Network
| Sim Type | Dual SIM (nano-SIM, dual stand-by) | Hybrid Dual SIM (2 Nano SIMs, 1 Nano SIM+1 microSD) | ||
|---|---|---|---|---|
| Network Support | 4G | 5G | ||
| Band Types | GSM, LTE, WCDMA | 5G, GSM, LTE FDD, LTE TD, WCDMA | ||
| 2G Bands | 1800, 1900, 850, 900 | 1800, 850, 900 | ||
| 3G Bands | 1, 5, 8 | WCDMA 1, 5, 8 | ||
| 4G Bands | 1, 3, 5, 7, 8, 38,, 40, 41 | LTE 1, 3, 5, 8, 28B, 38, 40, 41 | ||
| 5G Bands | - | SA/NSA 1, 3, 5, 8, 28, 40, 77, 78 |
Connectivity
🏆 Winner: Vivo Y31 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 | 4.2 | ||
| Bluetooth Codecs | A2DP, AAC, aptX HD, LE, SBC | A2DP, AAC, LE | ||
| GPS | BDS, GALILEO, GLONASS, GPS | Beidou, Galileo, Glonass, GPS, QZSS |
Features
| Fingerprint Scanner | Optical (under display) | Side Mounted | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Compass, Gyroscope, Proximity Sensor | Accelerometer, Ambient Light Sensor, Proximity Sensor | ||
| Facial Recognition | 2D Face Recognition | - |
