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Huawei P9max vs Oppo A57

2G Network SIM1: GSM 850 / 900 / 1800 / 1900 SIM2: GSM 850 / 900 / 1800 / 1900 SIM1: SIM1 GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 2100  
4G Network LTE LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)  
Dimensions N/a 163.7 x 75 x 8 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)  
Weight N/a 187 g  
Display Type IPS LCD capacitive touchscreen, 16M colors, Emotion UI IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch   60Hz  
Display Size 6.2 inches, 1440 x 2560 pixels (~474 ppi pixel density) 6.53 Inches   720 x 1612 Pixels (~270 PPI)  
Multitouch Yes
Protection Corning Gorilla Glass 4
Memory 64GB built-in 64GB Built-in, 3GB RAM  
Card slot microSD card(supports uo to 128GB) microSDXC  
RAM 4GB RAM
GPRS Yes Yes
EDGE Yes
WLAN WLAN (Wi-Fi 802.11 a/b/g/n/ac Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot  
BlueTooth Bluetooth 4.1 v5.0 with A2DP, LE  
USB USB (microUSB v2.0, USB Host) USB-C port  
NFC No  
GPS Yes Yes + A-GPS support  
Main Camera 20 MP, 5152 x 3888 pixels, phase detection autofocus, optical image stabilization, dual-LED + (dual tone) flash, Geo-tagging, touch focus, face + smile detection, panorama, HDR, Video 2160p@30fps, Dual 13 MP, f/2.2, 26mm (wide), 1/3.06", AF + 2 MP, f/2.4, (depth), LED Flash   Geo-tagging, touch focus, face detection, HDR, panorama, Video (1080p@30fps)  
Front Camera 5 MP 8 MP, f/2.0, (wide), HDR, Video (1080p@30fps)  
OS Android OS, v6.0 (Marshmallow) Android 11 OS  
Chipset HiSilicon Kirin 9 MediaTek MT6765G Helio G35 (12 nm)  
Processor 2.3 GHz Quad-Core Cortex-A72, 1.8 GHz Quad-Core Cortex-A53 Octa-core (4 x 2.3 GHz Cortex-A53 + 4 x 1.8 GHz Cortex-A53)  
GPU GPU: Mali-T880 MP4 PowerVR GE8320  
Sensors Accelerometer, gyro, proximity, compass Accelerometer, Compass, FingerPrint, Proximity  
Browser HTML5 HTML5  
Sound FM radio, 3.5mm Jack, MP3/eAAC+/WAV/Flac player, XviD/MP4/H.264 player, Google Talk, Gmail, YouTube, Games (Built-in + Downloadable) 3.5mm Audio Jack, MP4/H.264/FLAC player, MP3/eAAC+/WAV player, Speaker Phone  
Colors Luxurious Gold, Mystic Champagne, Titanium Grey Glowing Green, Glowing Black  
Battery N/a (Li-Po Non removable), 5000 mAh   - Fast charging 33W, 50% in 30 min (advertised)  
Misc GPS + A-GPS, GLONASS support, Active noise cancellation with dedicated mic, Document viewer, Photo video/editor, Voice memo/dial SMS (threaded view), MMS, Email, Push Email   IPX4 water resistant, IP5X dust resistant ,Glass front, Plastic frame, Plastic back, Document viewer, Photo/video editor