Findprix helps you compare the Oppo K13x 5G 8GB RAM and Vivo Y31 5G in terms of price, specifications, user reviews, and more. Oppo K13x 5G 8GB RAM is priced at ₹14,999. Vivo Y31 5G is priced at ₹14,999. Here's a quick comparison.
| Key Highlights | Oppo K13x 5G 8GB RAM | Vivo Y31 5G |
|---|---|---|
| Processor | MediaTek Dimensity 6300 | 6 nm | Qualcomm Snapdragon 4 Gen 2 | 4 nm |
| RAM | 8GB | LPDDR4X | 4GB | LPDDR4X |
| Storage | 128GB | UFS 2.2 | 128GB | eMMC 5.1 |
| Display | 6.67 inches | HD+ | 6.68 inches | HD+ |
| Front Camera | 8MP | 8MP |
| Rear Camera | 50MP + 2MP | 50MP + 0.08MP |
| Battery | 6000 mAh | 45W | 6500 mAh | 44W |
| OS | Android 15 | Android 15 |
Overview
| Launch Date | June 27, 2025 | September 13, 2025 |
|---|---|---|
| Processor | MediaTek Dimensity 6300 | 6 nm | Qualcomm Snapdragon 4 Gen 2 | 4 nm |
| RAM | 8GB | LPDDR4X | 4GB | LPDDR4X |
| Storage | 128GB | UFS 2.2 | 128GB | eMMC 5.1 |
| Display | 6.67 inches | HD+ | 6.68 inches | HD+ |
| Front Camera | 8MP | 8MP |
| Rear Camera | 50MP + 2MP | 50MP + 0.08MP |
| Battery | 6000 mAh | 45W | 6500 mAh | 44W |
| OS | Android 15 | Android 15 |
| User Ratings | 4.5/5 (6K Ratings) | N/A |
Price List
 | ₹14,999 | ₹14,999 |
|---|---|---|
 | N/A | ₹14,999 |
General
| Device Type | Smartphone | Smartphone |
|---|---|---|
| Operating System | Android 15 | Android 15 |
| Software Updates | 2 Year OS + 3 Year Security | -- |
| Custom UI | ColorOS | Funtouch OS |
Design
| Dimensions | 165.7 x 76.2 x 7.9 mm | 166.14 x 77.01 x 8.39 mm |
|---|---|---|
| Weight | 194 g | 209 g |
| Water Resistance | Yes, IP65 | Yes, IP68, IP69 (up to 1.5m for 30 min) |
| Dust Resistance | Yes | Yes |
| Build Material | -- | Back: Plastic |
| Colours | Midnight Violet, Sunset Peach | Rose Red, Diamond Green |
| Features | MIL-STD-810H certified | MIL-STD-810H certified |
Display
| Touch Screen | Yes | Yes |
|---|---|---|
| Display Type | LCD | LCD |
| Peak Brightness | 1000 nits | 1000 nits |
| Refresh Rate | 120 Hz | 120 Hz |
| Screen Size | 6.67 inches (16.94 cm), HD+ | 6.68 inches (16.97 cm), HD+ |
| Screen Resolution | 720 x 1604 pixels | 720 x 1608 pixels |
| Aspect Ratio | 20:9 | 20:9 |
| Screen-to-Body Ratio | ~89.9% | ~84.0% |
| Pixel Density | -- | ~264 ppi |
| Screen Protection | -- | Yes, Guardian Glass |
Rear Camera
| Camera Setup | Dual | Dual |
|---|---|---|
| Primary | 50 MP (wide) 76° FoV, f/1.8 aperture, 1/2.88″ sensor size, 0.61µm pixel size | 50 MP (wide) f/1.8 aperture PDAF |
| Secondary | 2 MP (mono) f/2.4 aperture, 1/5.0″ sensor size, 1.75µm pixel size | 0.08 MP f/3.0 aperture |
| OIS | -- | No |
| Autofocus | Yes, Phase Detection autofocus | Yes |
| Sensor | OmniVision OV50D | -- |
| Flash | Yes, LED Flash | Yes, LED + Aura Light |
| Video Recording | 1080p @ 60 fps, 720p @ 120 fps | 1080p @ 30 fps |
Front Camera
| Camera Setup | Single | Single |
|---|---|---|
| Primary | 8 MP (wide) f/2.0 aperture, 1/4.0″ sensor size, 1.12µm pixel size | 8 MP (wide) f/2.0 aperture |
| Sensor | GalaxyCore GC08A8 | -- |
| Video Recording | 1080p @ 30 fps, 720p @ 30 fps | 1080p @ 30 fps |
Performance
| RAM | 8 GB | 4 GB |
|---|---|---|
| RAM Type | LPDDR4X | LPDDR4X |
| Chipset | MediaTek Dimensity 6300 | Qualcomm Snapdragon 4 Gen 2 |
| Fabrication | 6 nm | 4 nm |
| GPU | Mali-G57 MC2 | Adreno 613 |
| CPU | Octa core 2x Cortex A76 @ 2.4 GHz 6x Cortex A55 @ 2 GHz | Octa core 2x Cortex A78 @ 2.2 GHz 6x Cortex A55 @ 1.95 GHz |
Storage
| Internal Storage | 128 GB | 128 GB |
|---|---|---|
| Storage Type | UFS 2.2 | eMMC 5.1 |
| Memory Card Slot | Yes, Up to 2 TB | Yes, up to 2 TB |
Battery
| Battery | 6000 mAh | 6500 mAh |
|---|---|---|
| Battery Type | Li-Polymer | Li-ion |
| Wired Charging Speed | 45W Super VOOC | 44W |
| Wired Charging Time | 50% charge in ~37 minutes | 50% charge in ~38 minutes |
| Wired Reverse Charging | -- | Yes |
Network
| SIM | SIM 1: Nano SIM 2: Nano (Hybrid slot) | SIM 1: Nano SIM 2: Nano (Hybrid slot) |
|---|---|---|
| Network Support | 5G, 4G, 3G, 2G | 5G, 4G, 3G, 2G |
| 5G Bands | n1, n3, n5, n8, n28, n40, n41, n77, n78 | n1, n3, n5, n8, n28, n40, n77, n78 |
| 4G Bands | B1, B3, B5, B8, B28, B40, B41 | B1, B3, B5, B8, B28, B38, B40, B41 |
| Navigation Support | GPS, GALILEO, GLONASS, BDS, QZSS | GPS, Glonass, Beidou, Galileo, QZSS |
| SAR | Head: 1.184 W/kg Body: 1.048 W/kg | Head: 1.130 W/kg Body: 0.986 W/kg |
Connectivity
| Bluetooth | Yes, v5.4 | Yes, v4.2 |
|---|---|---|
| Wi-Fi | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz | Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
| NFC | No | No |
Features
| Audio Jack | Yes, 3.5 mm | Yes, USB Type-C |
|---|---|---|
| Loud Speaker | Yes | Yes |
| Stereo Speakers | -- | Yes |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Sensors | Light sensor, Proximity sensor, Accelerometer, Compass | Accelerometer, Compass, Light Sensor, Proximity Sensor |
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