Samsung Galaxy M31s vs Samsung Galaxy A8 vs Samsung Galaxy Note 9
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Last Updated:
4th Jan 2021
Key Feature Comparison
Samsung Galaxy M31s
₹19,499
8/10
Samsung Galaxy A8 2018
7/10
Samsung Galaxy Note 9
₹61,890
8/10
Samsung Galaxy M31s
8/10
₹19,499
8/10
VS
Samsung Galaxy A8 2018
7/10
7/10
VS
Samsung Galaxy Note 9
8/10
₹61,890
8/10
Display
Screen Size
6.5 inches
5.6 inches
6.4 inches
Display Type
Super AMOLED capacitive touchscreen
Super AMOLED capacitive touchscreen
Super AMOLED capacitive touchscreen
Display Resolution
1080 x 2400 pixels
1080 x 2220 pixels
1440 x 2960 pixels
Pixel Density
405 ppi
441 ppi
516 ppi
Aspect Ratio
20:09
18.5:9
18.5:9
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 4
Corning Gorilla Glass 5
Screen to Body Ratio
91 %
75.6%
83.40%
Battery
Battery Capacity
6000 mAh battery
3000 mAh battery
4000 mAh
User Replaceable
Non-removable
Non-removable
Non-removable
Talk Time
Up to 51 Hours (4G LTE)
Up to 24 h (3G)
-
Music Time
Up to 125 Hours Audio Playback Time
-
-
Charging
Fast charging 25WReverse charging
Fast charging 18W
Fast battery charging 15W (Quick Charge 2.0)Qi/PMA wireless charging (market dependent)
Battery Type
Li-Po
Li-Ion
Li-Ion
Memory & Storage
RAM/Internal Storage
128GB 6GB RAM, 128GB 8GB RAM
32GB 4GB RAM, 64GB 4GB RAM
512 GB, 8 GB RAM or 128 GB, 6 GB RAM
Expandable Memory
microSDXC (dedicated slot), Up to 512 GB
microSDXC (dedicated slot)
microSD, up to 1 TB (uses shared SIM slot) - dual SIM model only
Front Camera
Single Camera
32 MP, f/2.0, 26mm (wide), 1/2.8, 0.8 micron
-
8 MP, f/1.7, 25mm (wide), 1/3.6, 1.22 micron, AF
Front Camera Video
4K30fps, 1080p30fps
1080p30fps
1440p30fps
Front Camera Features
HDR
-
Dual video call, Auto-HDR
Dual Camera
-
16 MP, f/1.9, 26mm (wide), 1/3.1, 1.0micron8 MP, f/1.9, 24mm (wide), 1/4, 1.12micron
-
Launch
Announced On
2020, July 30
2017, December
2018, August
Status
Available. Released 2020, July 30
Available. Released 2018, January
Available. Released 2018, August
Performance
OS
Android 10, One UI 2.5
Android 7.1.1 (Nougat), upgradable to Android 9.0 (Pie) One UI
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie) One UI
GPU
Mali-G72 MP3
Mali-G71
Mali-G72 MP18
Chipset GP
Samsung Exynos 9 Octa 9611
Exynos 7885 (14 nm)
Exynos 9810 (10 nm)
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa-core (2x2.2 GHz Cortex-A73, 6x1.6 GHz Cortex-A53)
Octa-core (4x2.7 GHz Mongoose M3 4x1.8 GHz Cortex-A55)
Miscellaneous Features
Sensors
Fingerprint (side-mounted), Accelerometer, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Virtual Proximity Sensing
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer
Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
Design
Height
6.27 inches
5.87 inches
6.37 inches
Width
2.92 inches
2.78 inches
3.01 inches
Thickness
0.36 inches
0.33 inches
0.35 inches
Weight
203 g
172 g
201 g
Color
Mirage Black, Mirage Blue
Black, Orchid Gray, Gold
Metallic Copper, Lavender Purple, Ocean Blue, Midnight Black, Pure White, Alpine White
Build
-
Glass front (Gorilla Glass 4), glass back (Gorilla Glass 5), aluminum frame
Front/back glass (Gorilla Glass 5), aluminum frame
Sound
HeadPhone Jack
Yes
Yes
Yes
Loudspeaker
Yes
Yes
Yes
Audio Features
Dolby Atmos
-
32-bit/384kHz audioActive noise cancellation with dedicated mic
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, Wi-Fi Direct, hotspot
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, BDS
Yes, with A-GPS, GLONASS, BDS, GALILEO
Radio
FM radio, RDS, recording
FM radio
No
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
2.0, Type-C 1.0 reversible connector
3.1, Type-C 1.0 reversible connector
NFC
No
Yes
Yes
SIM
Dual SIM (Nano-SIM, dual stand-by)
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)
Network Support
GSM / HSPA / LTE
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE
Back Camera
Quad Camera
64 MP, f/1.8, 26mm (wide), 1/1.72, 0.8 micron12 MP, f/2.2, 123degree (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.4, (depth)
-
-
Autofocus
PDAF
PDAF
dual pixel PDAF, AF
OIS
No
-
OIS
Back Camera Video
4K30fps, 1080p30fps, gyro-EIS
1080p30fps
2160p60fps, 1080p240fps, 720p960fps, HDR, dual-video rec.
Back Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
LED flash, auto-HDR, panorama
Single Camera
-
16 MP, f/1.7, 26mm (wide), 1/2.8, 1.12micron
-
General
Bluetooth
5.0, A2DP, LE
5.0, A2DP, EDR, LE
5.0, A2DP, LE, aptX
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