Display
Type i AMOLED vs OLED vs LCD

Different types of diplays used in mobiles

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Super AMOLEDAMOLED
Size6.70 inches6.59 inches
Resolution1080 x 2340 pixels1256 x 2760 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)1200 nits (peak)
Features~86.0% screen-to-body ratio,Corning Gorilla Glass Victus~88.9% screen-to-body ratio
~460 ppi density
Advantage Samsung  Galaxy M17 offers a larger screen (+0.11").
Advantage Oppo K15 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
Primary : 50 MP, f/1.8, 26mm (wide), PDAF, OIS
Secondary : 50 MP, f/2.2, 16mm, 143˚ (ultrawide)
Video1080p 30fps4K 30fps, 1080p 30/60/120fps, gyro-EIS
Features—Color spectrum sensor, LED flash, panorama
Front Camera
Camera13 MP, f/2.0, (wide), 1/3.1", 1.12µm50 MP, f/2.0, 18mm (wide), AF
Video1080p 30fps4K 30fps, 1080p 30/60fps, gyro-EIS
Features—Panorama
Advantage Oppo K15 has higher resolution 50 MP selfie camera and supports 4K selfie video.
Design & Build
Dimensions164.4 x 77.9 x 7.5 mm58.3 x 75.1 x 8.3 mm
Thickness7.5 mm8.3 mm
Weight192 g205 g
ColorMoonlight Silver, Sapphire BlackGray, Silver
MaterialGlass front (Gorilla Glass Victus), plastic back, plastic frameGlass front, aluminum frame
Protection / IPIP54IP68/IP69
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 13g lighter in hand and slimmer profile (-0.8 mm).
Connectivity
Network2G, 3G, 4G, 5G2G, 3G, 4G,5G
SIMSIM1: nano
SIM2: nano
SIM : Nano-SIM, Nano-SIM
Positioning—GPS (L1+L5), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
NFCYesYes
Wi-FiWi-Fi (802.11 a/b/g/n/ac)Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth5.35.4
Radio—No
Advantage Oppo K15 offers more accurate dual-frequency GPS (L1+L5).
Performance
OS / UIOne UI 7ColorOS 16
ChipsetExynos 1330 (5 nm)Mediatek Dimensity 7360 Super (4 nm)
CPUOcta-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPUMali-G68 MP2Mali-G615 MC2
RAM4,6,8 GB12 GB
Storage128 GB256 GB
Card SlotmicroSDXC (uses shared SIM slot)No
USBUSB Type-C 2.0USB Type-C 2.0, OTG
SpeakerYesYes, with stereo speakers
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 K15 offers more memory with up to 12 GB RAM and higher storage capacity (up to 256 GB).
Battery
Capacity5000 mAh8000 mAh
Charging25W wired80W wired, 44W/80W UFCS, 55W PPS, 13.5W PD
Advantage Oppo K15 has a 60% larger battery (+3000 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.