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Oppo A78 vs Vivo Y31d

Oppo A78

Oppo A78

Rs 64,999
Vivo Y31d

Vivo Y31d

Rs 57,999
2G Network SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900   SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 2100   HSDPA 850 / 900 / 2100  
4G Network LTE   LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800)  
Dimensions 160 x 73.2 x 7.9 mm   166.6 x 78.4 x 8.39mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Nano-SIM + Nano-SIM  
Weight 180 g   219 g  
Display Type AMOLED Capacitive Touchscreen, Multitouch   90Hz, 430 nits   IPS LCD Capacitive Touchscreen   120Hz, 1250 nits (HBM)  
Display Size 6.43 Inches   1080 x 2400 Pixels (~409 PPI)   6.75 Inches   720 x 1570 Pixels (~256 PPI)  
Protection Corning Gorilla Glass 5  
Memory 256GB Built-in, 8GB RAM (+8GB Extended Ram)   128GB Built-in, 8GB RAM, UFS 2.2  
Card slot microSDXC   microSDXC (dedicated slot)  
GPRS Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band   Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot  
BlueTooth v5.0 with A2DP, LE   v5.1 with A2DP, LE  
USB USB Type-C 2.0, OTG   USB Type-C 2.0, OTG  
NFC Yes   No  
GPS Yes + A-GPS support, & GLONASS, BDS, GALILEO, QZSS   Yes + GPS, GALILEO, GLONASS, BDS, QZSS  
Main Camera Dual Camera: 50 MP, f/1.8, (wide), PDAF + 2 MP, f/2.4, (depth), LED Flash   Phase detection, Panorama, HDR, Video (1080p@30fps)   Dual Camera: 50 MP, f/2.0, (wide), PDAF + 2 MP, LED Flash   Panorama, HDR, Video, (1080p@30fps)  
Front Camera 8 MP, f/2.0, (wide), Video (1080p@30fps)   8 MP, f/2.1, (wide), Video (1080p@30fps)  
OS Android 13 OS   Android 16 OS  
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm)   Qualcomm Snapdragon 6s 4G Gen 2  
Processor Octa-core (4 x 2.4 GHz Kryo 265 Gold + 4 x 1.9 GHz Kryo 265 Silver)   Octa-core (4 x 2.9 GHz Cortex-A73 + 4 x 1.9 GHz Cortex-A53)  
GPU Adreno 610   Adreno 610  
Sensors Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity   Accelerometer, Compass, Fingerprint (side mounted), Gyro, Proximity  
Browser HTML5   HTML5  
Sound 3.5mm Audio Jack, Speaker Phone   Speaker Phone  
Colors Mist Black, Aqua Green   Glow White, Starlight Gray  
Battery (Li-Po Non removable), 5000 mAh   - Fast charging 67W wired, PD, 76% in 30 min (advertised)   7200 mAh   - Fast charging 44W wired, 50% in 43 min, Reverse wired, Bypass Charging  
Misc SMS(threaded view), MMS, Email, Push Mail, IM   IP54, dust and splash resistant, Photo/video editor, Document editor   SMS(threaded view), MMS, Email, Push Mail, IM   IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min), Document viewer, Photo/video editor