Oppo K12x 5G vs Vivo Y31 5G
Compare Oppo K12x 5G and Vivo Y31 5G to understand which one suits your needs the best. The Oppo K12x 5G is priced from ₹16,999, 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 K12x 5G vs Vivo Y31 5G Comparison Overview
| Key Highlights | Oppo K12x 5G | Vivo Y31 5G |
|---|---|---|
| Price | ₹16,999 | ₹16,999 |
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 4 Gen 2 |
| Display | 6.67", HD+ LCD, 120Hz | 6.68", HD+ LCD, 120Hz |
| Rear Camera | 32MP (Wide-angle), 2MP (Depth), 8MP (Front) | 50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front) |
| Battery | 5100mAh, 45Watt, Charger in the box | 6500mAh, 44Watt, Charger in the box |
| RAM/Storage | 6GB (LPDDR4X), 128GB (UFS 2.2) | 4GB (LPDDR4X), 128GB (eMMC 5.1) |
Performance Scorecard
Key Specifications
| Processor | MediaTek Dimensity 6300 | Qualcomm Snapdragon 4 Gen 2 | ||
|---|---|---|---|---|
| Display | 6.67", HD+ LCD, 120Hz | 6.68", HD+ LCD, 120Hz | ||
| Camera | 32MP (Wide-angle), 2MP (Depth), 8MP (Front) | 50MP (Wide-angle), 0.08MP (Auxiliary), 8MP (Front) | ||
| Battery | 5100mAh, 45Watt, Charger in the box | 6500mAh, 44Watt, Charger in the box | ||
| RAM | 6GB (LPDDR4X) | 4GB (LPDDR4X) | ||
| Storage | 128GB (UFS 2.2) | 128GB (eMMC 5.1) |
General
| Box Contents | Phone, 45W Charger, Type-C cable, Case, SIM Ejector Tool | Phone, 44W Charger, Type-C Cable, SIM Ejector Tool, Case | ||
|---|---|---|---|---|
| Colors | Midnight Violet, Breeze Blue, Feather Pink | Rose Red, Diamond Green | ||
| Launch | July 29, 2024 | September 15, 2025 | ||
| Stores | Oppo, Flipkart, Amazon, Croma | Vivo, Amazon, Flipkart, Croma, Vijay Sales | ||
| Launch Country | India | India | ||
| Launch Price | ₹12,999 | ₹14,999 |
Display
🏆 Winner: Vivo Y31 5G
| Display Type | LCD | LCD | ||
|---|---|---|---|---|
| Refresh Rate | 120Hz | 120Hz | ||
| Playback Quality | SDR | SDR | ||
| Touch Sampling Rate | 120Hz | - | ||
| Display Size | 6.67 inches | 6.68 inches | ||
| Area | 107.2cm² | 107.4cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 89.9 | 84 | ||
| Resolution Width | 720 pixels | 720 pixels | ||
| Resolution Height | 1604 pixels | 1608 pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 264ppi | 264ppi | ||
| Display Bit Rate | 8-bit | 8-bit | ||
| Color Gamut Range | 83% | 83% | ||
| Display Resolution | HD+ | HD+ | ||
| High Brightness | 1000 nits | 1000 nits | ||
| Peak Brightness | 1000 nits | 1000 nits | ||
| Eye Protection | Blue Light Filters | TUV Rheinland certification | ||
| Colour Gamut | NTSC | NTSC | ||
| Colour Depth | 16.7 Million Colours | 16.7 Million Colours |
Body
🏆 Winner: Vivo Y31 5G
| Height | 165.7mm | 166.14mm | ||
|---|---|---|---|---|
| Width | 76mm | 77.01mm | ||
| Thickness | 7.7mm | 8.39mm | ||
| Weight | 186 grams | 209 grams | ||
| Screen Material | Panda Glass | Glass | ||
| Display Protection | Panda Glass | - | ||
| Back Material | Plastic | Plastic | ||
| Side Material | Plastic Frame | Plastic Frame | ||
| Build Quality | MIL-STD-810H | SGS 5-Star Drop Resistance | ||
| Ports | USB Type-C | USB Type-C 2.0 | ||
| Additional Features | 3.5mm Headphone Jack, OTG | OTG, USB Type-C (bottom) | ||
| IP Rating | IP54 (Dust and Water Resistant) | IP68/69 (Dust and Water Resistant) | ||
| Speaker | Mono Speaker | Stereo Speakers | ||
| Sound Tuning | No Tuning | - |
Processor
🏆 Winner: Oppo K12x 5G
| Chipset Manufacturer | MediaTek | Qualcomm | ||
|---|---|---|---|---|
| Chipset | Dimensity 6300 | Snapdragon 4 Gen 2 | ||
| Fabrication Size | 6nm | 4nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 2x2.4 GHz Cortex-A76 & 6x Cortex-A55 | 2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55 | ||
| Cooling System | LiquidCool Technology | - | ||
| GPU | Arm Mali-G57 MC2 | Adreno 613 |
Performance Benchmarks
| AnTuTu | 452218 | 427408 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 782 | 918 |
Main Camera
🏆 Winner: Oppo K12x 5G
| Main Camera #1 Megapixel | 32MP | 50MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/1.8 | f/1.8 | ||
| Main Camera #1 Pixel Size | 0.8µm | - | ||
| Main Camera #1 Field of View | 76degree | - | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #1 Sensor Size | 1/2.76" | - | ||
| 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, HIGH-RES, Night, Pro, Slow-Mo, Time-lapse | Night, panorama, Pro, Slow-Mo | ||
| Camera Stabilization | EIS | - | ||
| 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 | - | ||
| Zoom Capability | 10-20X | - | ||
| Lens Enhancements | No enhancement | - | ||
| Video Features | 120fps Slo-mo, gyro-EIS | 120fps Slo-mo | ||
| Video Recording | 1080p@30fps, 1080p@60fps | 1080p@30fps |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 14 | 15 | ||
| OS Skin | ColorOS | Vivo Funtouch | ||
| Gaming Mode | Yes | Yes | ||
| OS Updates | 2 year(s) | 2 year(s) | ||
| Security Updates | 3 year(s) | 3 year(s) | ||
| AI Features | AI Portrait | AI Camera, AI Erase, AI Screen Translation, AI SuperLink, Circle to Search with Google |
Selfie Camera
🏆 Winner: Oppo K12x 5G
| Front Camera #1 Megapixel | 8MP | 8MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.0 | f/2.0 | ||
| Front Camera #1 Field of View | 80 | - | ||
| Front Camera #1 Lens Type | Wide | Wide | ||
| Front Camera #1 Camera Features | PDAF | - | ||
| Features | Dual--view Video, Night, Portrait, Time-lapse | Face unlock, Night, Portrait Mode | ||
| Auto Focus Type | PDAF | Fixed Focus | ||
| Video Features | 1080p@30fps | 1080@30fps | ||
| Video Recording | 1080@30fps | 1080@30fps | ||
| HDR Recording Support | SDR recording | SDR recording |
Battery
🏆 Winner: Vivo Y31 5G
| Battery Capacity | 5100mAh | 6500mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | Lithium Ion | ||
| Charging Speed Wired | 45W | 44W | ||
| Charging Standards Supported | PD | - | ||
| 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, LTE, WCDMA | 5G, GSM, LTE FDD, LTE TD, WCDMA | ||
| 2G Bands | 1800, 900 | 1800, 850, 900 | ||
| 3G Bands | 1, 8 | WCDMA 1, 5, 8 | ||
| 4G Bands | 1, 3, 5, 8, 28, 40, 41 | LTE 1, 3, 5, 8, 28B, 38, 40, 41 | ||
| 5G Bands | 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA | SA/NSA 1, 3, 5, 8, 28, 40, 77, 78 |
Connectivity
🏆 Winner: Oppo K12x 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 | AAC, aptX, aptX HD, LDAC, SBC | A2DP, AAC, LE | ||
| GPS | A-GPS, Beidou(B1I), GALILEO (E1), GLONASS(G1), GPS (L1), QZSS (L1) | Beidou, Galileo, Glonass, GPS, QZSS |
Features
| Fingerprint Scanner | Side Mounted | Side Mounted | ||
|---|---|---|---|---|
| Sensors on Board | Geomagnetic Sensor, Light Sensor, Proximity Sensor | Accelerometer, Ambient Light Sensor, Proximity Sensor | ||
| Facial Recognition | 2D Face Recognition | - |







