Samsung Galaxy M31s vs Xiaomi Redmi Note 9
Box Price
47999
31999
Kit Price
0
0
USD Price
209
149
Brand
Samsung Mobile
Xiaomi Mobiles
Model No
Galaxy M31s
M2003J15SC, M2003J15SG, M2003J15SS
Launch Date
2020-08-06
2020-04-27
Technology
GSM / HSPA / LTE
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
5G bands
Speed
HSPA 42.2/5.76 Mbps, LTE-A
HSPA 42.2/5.76 Mbps, LTE-A
GPRS
EDGE
Dimensions
159.3 x 74.4 x 9.3 mm (6.27 x 2.93 x 0.37 in)
162.3 x 77.2 x 8.9 mm (6.39 x 3.04 x 0.35 in)
Weight
203 g (7.16 oz)
199 g (7.02 oz)
Build
Corning Gorilla Glass 3
Glass front (Gorilla Glass 5), plastic frame
SIM
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Dual SIM (Nano-SIM, dual stand-by)
Water-repellent coating
Colors
Mirage Black, Mirage Blue
Forest Green, Midnight Grey, Polar White
Type
Super AMOLED capacitive touchscreen, 16M colors
IPS LCD, 450 nits (typ)
Size
6.5 inches, 102.0 cm2 (~86.1% screen-to-body ratio)
6.53 inches, 104.7 cm2 (~83.5% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density)
OS
Android 10, One UI 2.0
Android 10, MIUI 12
Chipset
Exynos 9611 (10nm)
MediaTek Helio G85 (12nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
Mali-G72 MP3
Mali-G52 MC2
RAM
6GB/8GB
4GB
Storage
128GB
64GB/128GB
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
3
4
Single
Double
Triple
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
Quad
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro), AF
2 MP, f/2.4, (depth)
Penta
Features
LED flash, panorama, HDR
Night mode | Document mode | Cinematic portraits | Movie frame | 48MP HD | Smart ultra-wide angle mode | Rear camera Beautify | Steady handheld night photography | Portrait mode background blurring | Panorama mode | Pro mode | Macro mode | Photo timer | Leveling | Burst mode | Face recognition | HDR | Ultra wide-angle edge distortion correction | Custom watermark | Kaleidoscope | AI watermark | AI beautify
Video
4K@30fps, 1080p@30fps, gyro-EIS
1080p@30fps - Cinematic video | Macro recording | Short video mode | Movie frame
Single
1
1
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
13 MP, f/2.3, 29mm (standard), 1/3.1", 1.12µm
Features
HDR
Panorama selfie | Portrait selfies | Palm shutter | Front camera HDR | Front facing flash | Face recognition | AI silhouette detection AI Beautify | AI portrait mode
Video
4K@30fps, 1080p@30fps
1080p@30fps
Capacity
Non-removable Li-Po 6000 mAh battery
(Li-Po Non removable), 4500 mAh -
Charging
Fast charging 25W
Reverse charging
Fast battery charging
Talk Time
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Loudspeaker
Yes
Yes
3.5mm jack
Yes
Yes
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
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC
Yes (market/region dependent)
Yes (market/region dependent)
M2003J15SG (Yes); M2003J15SS (No)
Radio
FM radio, RDS, recording
Unspecified
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
2.0, Type-C 1.0 reversible connector
Performance
AnTuTu: 200414 (v8)
GeekBench: 1292 (v5.1)
Display
Contrast ratio: 1242:1 (nominal)
Camera
Photo / Video
Loudspeaker
-30.1 LUFS (Below average)
Audio quality
Battery life
Endurance rating 125h