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Oppo A31 3GB vs Vivo  X200 Pro

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 / 1900 / 2100   HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)   LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)  
5G Network 5G SA/NSA  
Dimensions 163.9 x 75.5 x 8.3 mm   162.36 x 75.95 x 8.49 mm (Titanium/Blue), 162.36 x 75.95 x 8.20 mm (Black)  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Dual Sim, Dual Standby (Nano-SIM)  
Weight 180 g   223 g  
Display Type 480 nits typ. brightness   LTPO AMOLED Capacitive Touchscreen, 1B Colors   120Hz, HDR10+, Dolby Vision, 4500 nits (peak)  
Display Size 720 x 1600 Pixels (~270 PPI)   6.78 Inches   1260 x 2800 Pixels (~453 PPI)  
Protection Corning Gorilla Glass 5   Scratch/drop-resistant glass  
Memory 32GB Built-in, 3GB RAM   512GB Built-in, 16GB RAM, UFS 4.0  
Card slot microSDXC (dedicated slot)   No  
GPRS Yes Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot   Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band  
BlueTooth v5.0 with A2DP, LE   v5.4 with A2DP, LE, apt-X HD  
USB microUSB 2.0, USB On-The-Go   USB Type-C 3.2, OTG  
NFC No   Yes  
GPS Yes + A-GPS support, BDS   Yes + GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L5)  
Main Camera Phase detection, Geo-tagging, touch focus, face detection, HDR, panorama, Video ([email protected])   Triple Camera: 50 MP, f/1.6, 23mm (wide), 1/1.28", PDAF, OIS + 200 MP, f/2.7, 85mm (periscope telephoto), 1/1.4", multi-directional PDAF, OIS, 3.7x optical zoom, macro 2.7:1 + 50 MP, f/2.0, 15mm, (ultrawide), 1/2.76", AF, LED Flash   Laser AF, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT import, Video (8K@30fps, 4K@30/60/120fps, 1080p, gyro-EIS, 10-bit Log, Dolby Vision HDR)  
Front Camera 8 MP, f/2.0, HDR, Video ([email protected])   32 MP, f/2.0, 20mm (ultrawide), HDR, Video (4K@30/60fps, 1080p@30/60fps)  
OS Android 9.0 (Pie)   Android 15 OS  
Chipset Mediatek MT6765V/CB Helio P35 (12nm)   Mediatek Dimensity 9400 (3 nm)  
Processor Octa-core (4 x 2.3 GHz Cortex-A53 + 4 x 1.8 GHz Cortex-A53)   Octa-core (1 x 3.63 GHz Cortex-X925 + 3 x 3.3 GHz Cortex-X4 + 4 x 2.4 GHz Cortex-A720)  
GPU PowerVR GE8320   Immortalis-G925  
Sensors Accelerometer, Compass, Fingerprint (rear mounted), Gyro, Proximity   Accelerometer, color spectrum, Compass, Fingerprint (under display, ultrasonic), Gyro, Proximity, Satellite connectivity support (optional)  
Browser HTML5   HTML5  
Sound 3.5mm Audio Jack, MP4/H.264/FLAC player, MP3/eAAC+/WAV player, Speaker Phone   24-bit/192kHz audio, Dual Speaker  
Colors Fantasy White, Mystery Black   Titanium Gray, Cosmos Black  
Battery (Li-Po Non removable), 4230 mAh   (Non removable), Si-C 6000 mAh   - Fast charging 90W wired, 30W wireless Reverse wired  
Misc Active noise cancellation with dedicated mic, Document editor, Photo/video editor   SMS(threaded view), MMS, Email, Push Mail, IM   Glass front, aluminum alloy frame, glass back, IP68/IP69 dust/water resistant (up to 1.5m for 30 min), Document viewer, Photo/video editor