visual : Samsung Galaxy J7 Nxt (16GB) Vs Oppo A31

Samsung Galaxy J7 Nxt (16GB)
Oppo A31
Software
os
Android N OS 7.0
Android 9.0 (Pie), ColorOS 6.1
Hardware
Memory
RAM
2 GB
4 GB
ROM
16 GB
128 GB
expandable
256 GB
256 GB
Processor
CPU
1.6 GHz Cortex-A53
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
Mali-T830MP2
PowerVR GE8320
SoC
Exynos 7870 Octa
Mediatek MT6765V/CB Helio P35 (12nm)
number of cores
8core
8core
Camera
features
LED flash, HDR, panorama
primary
13 MP AF
Triple:
12 MP, f/1.8, (wide), 1/2.86", 1.25m, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
secondary
5 MP AF
8 MP, f/2.0, (wide), 1/4.0", 1.12m
video
1080p@30fps
Battery
capacity
3000mAh
4230mAh
type
Li-ion
Li-Polymer (non-removable)
Design
build
Glass front (Gorilla Glass 3), plastic back, plastic frame
dimension
152.4 x 78.6 x 7.6 mm
163.9 x 75.5 x 8.3 mm
display
Super AMOLED 720 x 1280 pixels (~267 ppi pixel density)
IPS LCD capacitive touchscreen, 16M colors
protection
Corning Gorilla Glass 3 , 480 nits typ. brightness (advertised)
resolution
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
screen
5.5"
6.5"
weight
170 gm
180 gm
Connectivity
GPS
Yes, with A-GPS, GLONASS, BDS
USB
microUSB 2.0
microUSB 2.0, USB On-The-Go
bluetooth
4.1, A2DP, LE
5.0, A2DP, LE
internet
2G/3G/4G/LTE
wifi
802.11 b/g/n, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Audio
radio
FM radio, RDS, recording
FM Radio
Others
sensors
Accelerometer, proximity, GPS, A-GPS, GLONASS
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
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