Vivo Y31 5G vs Vivo Y39 5G
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Overview
| Specs Score | 61 / 100 | 74 / 100 Better Specs  | 
| Display Resolution | 720 x 1620 pixels Better Resolution  | 720 x 1608 pixels | 
| RAM | 4 GB | 8 GB More RAM  | 
| CPU Clock Speed | 2.2 GHz Faster Clock Speed  | |
| Weight | 205 g Lighter  | |
| Thickness | 8.09 mm Slimmer  | |
| Unique Features |  No  FM Radio  |  3.5mm Audio Jack  No  | 
General
| Country of Origin | India | |
| Model | Y31 | Y39 | 
| 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 14, 2025 | February 27, 2025 | 
| In The Box | USB Cable, SIM Tray Ejector, Phone Case, Screen Protector (Applied), Power Adapter | Power Adapter, SIM Tray Ejector, Phone Case, USB Cable, Screen Protector (Applied) | 
Design
| Dimensions | 76.3 x 165.7 x 8.09 mm | |
| Weight | 205 g | |
| Bezel less | Yes | |
| Colors | Lotus Purple, Ocean Blue | 
Display
| Type | Color IPS Screen (16M Colors) | Color LCD Screen (16.7 M) | 
| Touch | Yes | Yes | 
| Size | 6.68 inches, 720 x 1620 pixels, 120 Hz | 6.68 inches, 720 x 1608 pixels, 120 Hz | 
| Aspect Ratio | 20:9 | |
| PPI | ~ 266 PPI | ~ 264 PPI | 
| Screen to Body Ratio | ~ 90.7% | ~ 89.64% | 
| Brightness | 1000nts | |
| Features | 83% NTSC, 1000 nits, High-Brightness Eye Protection Screen | |
| Notch | Yes, Water Drop Notch | Yes, Punch Hole | 
Memory
| RAM | 4 GB | 8 GB | 
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 GB | 128 GB | 
| Storage Type | UFS 2.2 | |
| Card Slot | No | 
Connectivity
| GPRS | Yes | Yes | 
| EDGE | Yes | Yes | 
| 3G | Yes | Yes | 
| 4G | Yes | Yes | 
| 5G | Yes | Yes | 
| 5G Bands | n1/n3/n5/n8/n28B/n40/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By | 
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot | 
| Bluetooth | Yes, v5.4 | Yes, v5.0 | 
| 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 | Yes with A-GPS | 
| Fingerprint Sensor | Yes, Side | Yes, Side | 
| Face Unlock | Yes | Yes | 
| Sensors | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Virtual Gyroscope | Accelerometer, Proximity, Compass | 
| 3.5mm Headphone Jack | Yes | |
| AI Features | SMart AI, Ai Erase, Ai Photo Enhance, Circle to Search | |
| Splash Resistant | Yes | |
| IP Rating | IP64 | |
| Dust Resistant | Yes | |
| Extra Features | LPDDR4X RAM, Military Grade Shock Resistance, AI Erase, Wet Hand Touch, AI Screen Translation, AI Superlink, Dual Stereo Speakers with 400% Volume | 
Camera
| Rear Camera | 50 MP (Main) 0.08 MP  | 50 MP (Wide Angle) 2 MP (Depth Sensor)  | 
| Auto Focus | Yes | Yes | 
| Features | Photo, Night, Portrait, Video, Live Photo, Slo-mo, Time-lapse, Pro, Pano, Documents, 50 MP, Dual View | |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD | 
| Flash | Yes, LED | Yes, LED | 
| Front Camera | 8 MP ƒ/2 | 8 MP (Wide Angle) Punch Hole  | 
| Front Video Recording | 1080p @ 30 fps FHD | 
Technical
| OS | Android v15 | Android v15 | 
| Custom UI | Funtouch OS 15 | |
| Chipset | MediaTek Dimensity 6300 | Qualcomm Snapdragon 4 Gen2 | 
| CPU | Octa Core Processor | 2.2 GHz, Octa Core Processor | 
| Core Details | 2x Performance Cores@2.2GHz & 6x Efficiency Cores@2GHz | |
| GPU | Adreno | |
| Java | No | No | 
| Browser | Yes | Yes | 
Multimedia
| Yes | Yes | |
| Music | WAV, MP3, MP2, AMR-NB, MIDI, Vorbis, APE, FLAC, OGG, M4A | AAC, WAV, MP3, MIDI, VORBIS, APE, FLAC | 
| Video | MP4, 3GP, AVI, TS, MKV, FLV | MP4, 3GP, AVI, FLV, MKV, WEBM, TS, ASF | 
| FM Radio | Yes | 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 | 
| Video Playback Time | 40 hours | 
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