OPPO A5 5G (8GB RAM + 128GB) vs Vivo Y31 5G (6GB RAM + 128GB)
Quick Comparison
OPPO A5 5G (8GB RAM + 128GB) has better RAM than Vivo Y31 5G (6GB RAM + 128GB). In terms of display resolution, Vivo Y31 5G (6GB RAM + 128GB) has better resolution of 1620 x 720 than OPPO A5 5G (8GB RAM + 128GB) which has resolution of 1604 x 720. Both have the same amount of internal memory.
| Name | OPPO A5 5G (8GB RAM + 128GB) | Vivo Y31 5G (6GB RAM + 128GB) |
| RAM | 8 GB | 6 GB |
|---|---|---|
| Display | 6.67 in | 6.68 in |
| Internal Memory | 128 GB | 128 GB |
| Battery | 6000 mAh | 6500 mAh |
| Camera | 50 MP + 2 MP Dual | 50 MP + 0.08 MP Dual |
| Price | Rs. 16998 | Rs. 15875 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is May 15, 2025. The cost of OPPO A5 5G (8GB RAM + 128GB) is Rs. 16998. The launch Date of the second phone is September 14, 2025. The cost of Vivo Y31 5G (6GB RAM + 128GB) is Rs. 15875.
Display comparison
Vivo Y31 5G (6GB RAM + 128GB) has larger screen size of 6.68 inches in comparison to OPPO A5 5G (8GB RAM + 128GB)'s 6.67 inch screen. Both the phones have IPS Screen Type. Vivo's phone has display density of 266 PPI & OPPO's phone has only 264 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 90.7% than OPPO's phone ~ 84.9%. Both mobiles have same aspect ratio of 20:9.
Memory comparison
OPPO A5 5G (8GB RAM + 128GB)'s larger 8 GB RAM is better for playing games and all with respect to Vivo Y31 5G (6GB RAM + 128GB)'s lower 6 GB RAM. and both have same Internal Memory of 128 GB.
Camera comparison
They both have the same 50 MP + 2 MP Dual Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 8 MP Front Camera.
Technical comparison
Both the phones run on Android Operating System Version 15.
Related Comparisons
Full Comparison
| Name | OPPO A5 5G (8GB RAM + 128GB) | Vivo Y31 5G (6GB RAM + 128GB) |
| General | ||
| Country of Origin | India | |
| Model | CPH2751 | Y31 |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | May 15, 2025 | September 14, 2025 |
| In The Box | Phone Case, Power Adapter, USB Cable, Screen Protector, SIM Tray Ejector | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter |
| Design | ||
| Dimensions | 76.2 x 165.7 x 8 mm | |
| Weight | 194 g | |
| Bezel less | No | |
| Colors | Aurora Green, Mist White | |
| Display | ||
| Type | Color IPS Screen (1B Colors) | Color IPS Screen (16M Colors) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.67 inches, 720 x 1604 pixels, 120 Hz | 6.68 inches, 720 x 1620 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 264 PPI | ~ 266 PPI |
| Screen to Body Ratio | ~ 84.9% | ~ 90.7% |
| Glass Type | Corning Gorilla Glass 7i | |
| Brightness | 1000 nits (HBM) | 1000nts |
| Notch | Yes, Punch Hole | Yes, Water Drop Notch |
| Memory | ||
| RAM | 8 GB | 6 GB |
| Expandable RAM | Upto 6 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB |
| Card Slot | Yes, (Hybrid Slot), upto 2 TB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n5/n8/n28A/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 802.11 a/b/g/n/ac, dual-band | |
| Bluetooth | Yes, v5.4 | 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 |
| Extra | ||
| GPS | Beidou, GPS, GLONASS, Galileo, QZSS | with A-GPS, BeiDou, GLONASS, Galileo |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope |
| 3.5mm Headphone Jack | Yes | |
| NFC | Yes | |
| AI Features | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search | |
| Splash Resistant | Yes | |
| IP Rating | IP65 | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 2 MP ƒ/2.4 (Wide Angle) | 50 MP (Main) 0.08 MP |
| Auto Focus | Yes | Yes |
| Features | 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) Punch Hole | 8 MP ƒ/2 |
| Front Video Recording | 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v15 | Android v15 |
| Custom UI | ColorOS 15 | |
| Chipset | Mediatek Dimensity 6300 | MediaTek Dimensity 6300 |
| CPU | 2.4 GHz, Octa Core Processor | Octa Core Processor |
| Core Details | 4xCortex-A78@2.2 GHz & 4xCortex-A55@1.8 GHz | |
| Fabrication Node | 6nm | |
| GPU | Mali-G57 MC2 | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A |
| Video | Yes | MP4, 3GP, AVI, TS, MKV, FLV |
| FM Radio | No | Yes |
| Speaker Type | Dual Stereo | |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-ion Battery | 6500 mAh |
| Fast Charging | Yes, 45W SUPERVOOC Charging | Yes, 44W |