Display
Type i AMOLED vs OLED vs LCD

Different types of diplays used in mobiles

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Super AMOLEDAMOLED
Size6.70 inches6.78 inches
Resolution1080 x 2340 pixels1272 x 2772 pixels
Refresh Rate90 Hz120 Hz
Brightness i Types of Brightness

The different type of mobile display brightness explained

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1100 nits (HBM)1800 nits (HBM)
Features~86.0% screen-to-body ratio,Corning Gorilla Glass Victus~88.4% screen-to-body ratio
~450 ppi density
Advantage Oppo A7 Pro Max offers a smoother 120Hz refresh rate.
Main Camera
CameraPrimary : 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF, OIS
Secondary : 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm
Tertiary : 2MP
Dual : 50 MP, f/1.8, (wide), PDAF, OIS ( Auxiliary lens )
Video1080p 30fps1080p (30fps)
Features—Color spectrum sensor, LED flash, HDR, panorama
Front Camera
Camera13 MP, f/2.0, (wide), 1/3.1", 1.12µm50 MP, f/2.0, 18mm (ultrawide), AF
Video1080p 30fps1080p (30fps)
Features—Panorama
Advantage Oppo A7 Pro Max has higher resolution 50 MP selfie camera.
Design & Build
Dimensions164.4 x 77.9 x 7.5 mm163 x 78 x 8.6 mm
Thickness7.5 mm8.6 mm
Weight192 g224 g
ColorMoonlight Silver, Sapphire BlackBlack, Blue, Orange
MaterialGlass front (Gorilla Glass Victus), plastic back, plastic frameGlass front, plastic frame, plastic back
Protection / IPIP54IP68/IP69K 
Featuresdust protected and water resistant (water splashes)dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Advantage Samsung  Galaxy M17 is 32g lighter in hand and slimmer profile (-1.1 mm).
Connectivity
Network2G, 3G, 4G, 5G2G, 3G, 4G,5G
SIMSIM1: nano
SIM2: nano
SIM : Nano-SIM, Nano-SIM
Positioning—GPS, GALILEO, GLONASS, BDS, QZSS
NFCYesYes
Wi-FiWi-Fi (802.11 a/b/g/n/ac)Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth5.3Yes
Radio—No
Performance
OS / UIOne UI 7ColorOS 16
ChipsetExynos 1330 (5 nm)Qualcomm Snapdragon 4 Gen 5
CPUOcta-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)Octa-core 2.4 GHz
GPUMali-G68 MP2Adreno
RAM4,6,8 GB8,12 GB
Storage128 GB128,256,512 GB
Card SlotmicroSDXC (uses shared SIM slot)No
USBUSB Type-C 2.0USB Type-C 2.0, OTG
SpeakerYesYes
3.5mm JacknoNo
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical)
accelerometer, gyro, proximity, compass
Advantage Samsung  Galaxy M17 offers expandable storage via microSD card.
Advantage Oppo A7 Pro Max offers more memory with up to 8 GB RAM and higher storage capacity (up to 512 GB).
Battery
Capacity5000 mAh10000 mAh
Charging25W wired80W wired, 40W/80W UFCS, 55W PPS, 13.5W PD
Advantage Oppo A7 Pro Max has a 100% larger battery (+5000 mAh) and faster 80W wired charging.
Disclaimer : Though we have tried our best to avoid any error but still we cannot guarantee that the information on this page is 100% accurate, as it's a human tendency to make errors and at the end of the day we too are humans.