Vivo Y31 5G (6GB RAM + 128GB) vs Oppo A6s 5G (6GB RAM + 128GB)
Quick Comparison
Both Vivo Y31 5G (6GB RAM + 128GB) and Oppo A6s 5G (6GB RAM + 128GB) comes with same RAM. In terms of display resolution, Vivo Y31 5G (6GB RAM + 128GB) has better resolution of 1608 x 720 than Oppo A6s 5G (6GB RAM + 128GB) which has resolution of 1570 x 720. Both have the same amount of internal memory.
| Name | Vivo Y31 5G (6GB RAM + 128GB) | Oppo A6s 5G (6GB RAM + 128GB) |
| RAM | 6 GB | 6 GB |
|---|---|---|
| Display | 6.68 in | 6.75 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6500 mAh | 6500 mAh |
| Camera | 50 MP | 50 MP Dual |
| Price | Rs. 19990 | Rs. 22999 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is September 15, 2025. The cost of Vivo Y31 5G (6GB RAM + 128GB) is Rs. 19990. The launch Date of the second phone is March 17, 2026. The cost of Oppo A6s 5G (6GB RAM + 128GB) is Rs. 22999.
Display comparison
Vivo Y31 5G (6GB RAM + 128GB) has screen size of 6.68 inches which falls short to Oppo A6s 5G (6GB RAM + 128GB)'s 6.75 inch screen. Vivo Y31 5G (6GB RAM + 128GB) has IPS Screen type where as Oppo A6s 5G (6GB RAM + 128GB) has LCD Screen type. Vivo's phone has display density of 264 PPI & OPPO's phone has only 256 PPI display density. In terms of screen to body ratio, OPPO's phone has better screen to body ratio of ~ 85.2% than Vivo's phone ~ 84%. Vivo Y31 5G (6GB RAM + 128GB) has 20:9 aspect ratio where as Oppo A6s 5G (6GB RAM + 128GB) has 19:9 aspect ratio.
Memory comparison
Both mobiles come with 6 GB RAM and both have same Internal Memory of 128 GB.
Camera comparison
They both have the same 50 MP Rear Camera. Vivo Y31 5G (6GB RAM + 128GB) will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Oppo A6s 5G (6GB RAM + 128GB)'s 5 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
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Full Comparison
| Name | Vivo Y31 5G (6GB RAM + 128GB) | Oppo A6s 5G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | Y31 | CPH2789 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 15, 2025 | March 17, 2026 |
| In The Box | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter | |
| Design | ||
| Dimensions | 77 x 166.1 x 8.4 mm | 78.5 x 166.6 x 8.6 mm |
| Weight | 209 g | 212 g |
| Colors | Rose Red, Diamond Green | Aurora Gold, Plum Purple |
| Display | ||
| Type | Color IPS Screen (16M Colors) | Color LCD Screen (16.7M) |
| Touch | Yes | Yes |
| Size | 6.68 inches, 720 x 1608 pixels, 120 Hz | 6.75 inches, 720 x 1570 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 19:9 |
| PPI | ~ 264 PPI | ~ 256 PPI |
| Screen to Body Ratio | ~ 84% | ~ 85.2% |
| Glass Type | Guardian Glass (ion-strengthened) | AGC DT-Star D+ |
| Brightness | 1000nts | 1125 nits (HBM) |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole |
| Memory | ||
| RAM | 6 GB | 6 GB |
| Expandable RAM | Upto 6 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | eMMC 5.1 | UFS 2.2 |
| Card Slot | Yes, (Hybrid Slot) | Yes, (Hybrid Slot) |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v4.2 | Yes, v5.4 |
| USB | Yes, USB-C v2.0 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging, USB Storage |
| Extra | ||
| GPS | with A-GPS, BeiDou, GLONASS, Galileo | Beidou, GPS, GLONASS, Galileo, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | No | Yes |
| AI Features | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search | Ai Erase |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Splash Resistant | Yes | |
| IP Rating | IP68 | IP64 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) |
| Auto Focus | Yes | Yes |
| Features | Ring- panorama | HDR, panorama |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 8 MP ƒ/2 (Wide Angle) | 5 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | ColorOS 15.0 | |
| Chipset | Qualcomm Snapdragon 4 Gen2 | Mediatek Dimensity 6300 |
| CPU | 2.2 GHz, Octa Core Processor | 2.4 GHz, Octa Core Processor |
| Core Details | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz | 4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55 |
| Fabrication Node | 4nm | |
| GPU | Adreno 613 | Mali-G57 MC2 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A | Yes |
| Video | MP4, 3GP, AVI, TS, MKV, FLV | Yes |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6500 mAh | 6500 mAh |
| Fast Charging | Yes, 44W | Yes, 45W SUPERVOOC Flash Charge |
| Reverse Charging | Yes | |