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Samsung Galaxy M31 vs Xiaomi Redmi Note 9 Pro vs Samsung Galaxy A7 (2018)

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Last Updated: 
14th Jan 2021

Key Feature Comparison

Samsung Galaxy M31
₹15,499
8/10
Xiaomi Redmi Note 9 Pro
₹12,999
8/10
Samsung Galaxy A7 (2018)
₹15,999
8/10
Samsung Galaxy M31
Samsung Galaxy M31
8/10
₹15,499
8/10
VS
Xiaomi Redmi Note 9 Pro
Xiaomi Redmi Note 9 Pro
8/10
₹12,999
8/10
VS
Samsung Galaxy A7 (2018)
Samsung Galaxy A7 (2018)
8/10
₹15,999
8/10
Display
Screen Size
6.4 inches
6.67 inches
6.0 inches
Display Type
Super AMOLED capacitive touchscreen
IPS LCD capacitive touchscreen
Super AMOLED capacitive touchscreen
Display Resolution
1080 x 2340 pixels
1080 x 2400 pixels
1080 x 2220 pixels
Pixel Density
411 ppi
395 ppi
411 ppi
Aspect Ratio
19.5:9
20:09
18.5:9
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 5
Corning Gorilla Glass 3
Screen to Body Ratio
84.1%
84.50%
74.40%
Battery
Battery Capacity
6000 mAh battery
5020 mAh battery
3300 mAh
User Replaceable
Non-removable
Non-removable
Non-removable
Charging
Fast battery charging 15W
Fast charging 18W
-
Battery Type
Li-Po
Li-Po
Li-Po
Launch
Announced On
2020, February 25
2020, March 12
2018, September
Status
Available. Released 2020, March 04
Available. Released 2020, March 17
Available. Released 2018, October
Front Camera
Single Camera
32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron
16 MP, f/2.5, (wide), 1.0micron
24 MP, f/2.0, 26mm (wide)
Front Camera Video
1080p30fps
1080p30fps
1080p30fps
Front Camera Features
HDR
HDR, panorama
HDR
Miscellaneous Features
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Water Resistant
-
Water-repellent coating
-
Performance
GPU
Mali-G72 MP3
Adreno 618
Mali-G71
OS
Android 10, One UI 2.5
Android 10.0 MIUI 11
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Chipset GP
Exynos 9611 (10nm)
Qualcomm SM7125 Snapdragon 720G (8 nm)
Exynos 7885 (14 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 4x1.7 GHz Cortex-A53)
Octa-core (2x2.3 GHz Kryo 465 Gold and 6x1.8 GHz Kryo 465 Silver)
Octa-core (2x2.2 GHz Cortex-A73 6x1.6 GHz Cortex-A53)
Design
Height
6.29 inches
6.53 inches
6.29 inches
Width
2.96 inches
3.02 inches
3.02 inches
Thickness
0.35 inches
0.35 inches
0.30 inches
Weight
191 g
209 g
168 g
Color
Ocean Blue, Space Black
Aurora Blue, Glacier White, Interstellar Black
Black, Blue, Gold
Build
Glass front (Gorilla Glass 3), plastic back, plastic frame
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Front/back glass, plastic frame
Communications
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, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot
GPS
Yes, with A-GPS, GLONASS, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS, NavIC
Yes, with A-GPS, GLONASS, BDS
Radio
FM radio, RDS, recording
FM radio, recording
FM radio
USB
2.0, Type-C 1.0 reversible connector
2.0, Type-C 1.0 reversible connector
microUSB 2.0
SIM
Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Network Support
GSM / HSPA / LTE
GSM / HSPA / LTE
GSM / HSPA / LTE
NFC
-
No
Yes
Memory & Storage
RAM/Internal Storage
64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
64GB 4GB RAM, 128GB 6GB RAM, 128GB 4GB RAM
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
Expandable Memory
microSDXC (dedicated slot)
microSDXC (dedicated slot)
microSD, up to 1 TB (dedicated slot)
Sound
HeadPhone Jack
Yes
Yes
Yes
Loudspeaker
Yes
Yes
Yes
Audio Features
Dolby Atmos
-
Active noise cancellation with dedicated micDolby Atmos sound
Back Camera
Triple Camera
64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron8 MP, f/2.2, 12mm (ultrawide), 1/4.0, 1.12 micron5 MP, f/2.2, 25mm (macro), 1/5.0, 1.12 micron5 MP, f/2.2, (depth)
-
24 MP, f/1.7, 27mm (wide)8 MP, f/2.4, 18mm (ultrawide)5 MP, f/2.2, depth sensor
Autofocus
PDAF
PDAF
PDAF
Back Camera Video
2160p30fps, 1080p30fps, gyro-EIS
4K30fps, 1080p30/60/120fps, 720p960fps, gyro-EIS
1080p30fps (gyro-EIS), 1080p240fps, 720p960fps
Back Camera Features
LED flash, panorama, HDR
LED flash, HDR, panorama
LED flash, panorama, HDR
Quad Camera
-
48 MP, f/1.8, (wide), 1/2.25", 0.8micron, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12micron 5 MP, f/2.4, (macro), 1.12micron 2 MP, f/2.4, (depth)
-
General
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
5.0, A2DP, LE

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