Vivo Y31 5G vs Vivo Y21 5G (6GB RAM + 128GB)
Here you can compare Vivo Y31 5G and Vivo Y21 5G (6GB RAM + 128GB). Comparing Vivo Y31 5G vs Vivo Y21 5G (6GB RAM + 128GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Vivo Y31 5G stands against Vivo Y21 5G (6GB RAM + 128GB) and which one should you buy The current lowest price found for Vivo Y31 5G is ₹19,999 and for Vivo Y21 5G (6GB RAM + 128GB) is ₹20,999. The details of both of these products were last updated on Jun 02, 2026.
| Specification | Vivo Y31 5G | Vivo Y21 5G (6GB RAM + 128GB) |
|---|---|---|
| Internal Memory | 128 GB | 128 GB |
| Battery | 6500 mAh | 6500 mAh, Li-ion Battery |
| RAM | 4 GB | 6 GB |
| Display | 6.68 inches, 720 x 1608 pixels, 120 Hz | 6.74 inches, 720 x 1600 pixels, 120 Hz |
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP |
| Price | ₹19,999 | ₹20,999 |
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Overview
| Specs Score | 58 / 100 | 59 / 100 Better Specs |
| Display Resolution | 720 x 1608 pixels Better Resolution | 720 x 1600 pixels |
| RAM | 4 GB | 6 GB More RAM |
| CPU Clock Speed | 2.2 GHz | 2.4 GHz Faster Clock Speed |
| Front Camera | 8 MP Better Front Camera Resolution | 5 MP |
| Unique Features | No No No No | 3.5mm Audio Jack NFC Reverse Charging IR Blaster |
General
| Country of Origin | India | India |
| Model | Y31 | Y21 5G |
| Sim Type | Dual Sim, GSM+GSM (Hybrid Slot) | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 15, 2025 | March 26, 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 | 77.1 x 167.4 x 8.4 mm |
| Weight | 209 g | 209 g |
| Colors | Rose Red, Diamond Green | Champagne Gold, Midnight Blue |
Display
| Type | Color IPS Screen (16M Colors) | Color IPS Screen |
| Touch | Yes | Yes |
| Size | 6.68 inches, 720 x 1608 pixels, 120 Hz | 6.74 inches, 720 x 1600 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 264 PPI | ~ 260 PPI |
| Screen to Body Ratio | ~ 84% | ~ 85% |
| Glass Type | Guardian Glass (ion-strengthened) | |
| Brightness | 1000nts | 1200 nits Peak Brightness |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
Memory
| RAM | 4 GB | 6 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | Upto 6 GB Extra Virtual RAM |
| Storage | 128 GB | 128 GB |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Card Slot | Yes, (Hybrid Slot) | Yes |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n8/n28B/n38/n40/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | 2.4 GHz / 5 GHz | |
| Bluetooth | Yes, v4.2 | Yes |
| 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 |
| IR Blaster | Yes |
Extra
| GPS | with A-GPS, BeiDou, GLONASS, Galileo | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| Fingerprint Sensor | Yes, Side | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Compass | Accelerometer, Proximity, Compass |
| 3.5mm Headphone Jack | No | Yes |
| NFC | Yes | |
| AI Features | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search | AI Creation, AI Photo Enhance, AI Documents, AI Screen Translation, Circle to Search |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes |
| IP Rating | IP68/IP69 | IP65 |
| Dust Resistant | Yes | Yes |
Camera
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) | 50 MP ƒ/1.8 (Wide Angle) 0.08 MP |
| Auto Focus | Yes | Yes |
| Features | Ring- 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) |
| Front Video Recording | 1080p @ 30 fps FHD |
Technical
| OS | Android v15 | Android v16 |
| Custom UI | OriginOS 6 | |
| 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 | 2X Arm Cortex-A76@2.4GHz & 6X Arm Cortex-A55@2.0GHz |
| 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, Li-ion Battery |
| Fast Charging | Yes, 44W | Yes, 44W Fast Charging |
| Reverse Charging | Yes |
Discuss
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