Comparisons / Comparison of Samsung Galaxy M31 and Xiaomi Redmi Note 8

Comparison of Samsung Galaxy M31 and Xiaomi Redmi Note 8 [S]ave

Attribute
Samsung Galaxy M31 ×
Xiaomi Redmi Note 8 ×
General
BrandSamsungXiaomi
Launch
Announced2020-02-252019-08-29
Body
Width (mm)8.98.4
Length (mm)159.2158.3
Height (mm)75.175.3
Weight (g)191190
SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
FrontGlassGlass
BackPlasticGlass
FramePlasticPlastic
Network
Technology
  • GSM
  • HSPA
  • LTE
  • GSM
  • HSPA
  • LTE
2G bands
  • GSM 850 / 900 / 1800 / 1900
  • GSM 850 / 900 / 1800 / 1900
3G bands
  • HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
  • HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
  • HSDPA 850 / 900 / 2100
4G bands
  • 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
  • 1, 2, 3, 4, 5, 7, 8, 20, 38, 40
  • 1, 3, 5, 8, 38, 40, 41
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat12 600/50 Mbps
Platform
OSAndroid 10Android 9.0 (Pie)
ChipsetExynos 9611 (10nm)Qualcomm SDM665 Snapdragon 665 (11 nm)
CPUOcta-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
GPUMali-G72 MP3Adreno 610
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal
  • 128GB 6GB RAM
  • 128GB 8GB RAM
  • 64GB 6GB RAM
  • 128GB 4GB RAM
  • 128GB 6GB RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
  • 64GB 6GB RAM
Display
Size (in)6.46.3
Resolution (px)1080 x 23401080 x 2340
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 5
Display TypeSuper AMOLEDIPS LCD
Battery
TypeLi-PoLi-Po
ChargingFast charging 15WFast charging 18W
Capcity (mAh)60004000
Main Camera
Main Camera TypeTripleQuad
Main Camera Properties
  • 5 MP, f/2.2, (depth)
  • 5 MP, f/2.4, (macro)
  • 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
  • 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm
  • 2 MP, f/2.4, (depth)
  • 2 MP, f/2.4, (macro)
  • 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
  • 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
Main Camera Video4K@30fps, 1080p@30fps, gyro-EIS4K@30fps, 1080p@30/60/120fps, gyro-EIS
Main Camera FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Selfie Camera
Selfie Camera TypeSingleSingle
Selfie Camera Properties
  • 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
  • 13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Selfie Camera Video4K@30fps, 1080p@30fps1080p@30fps
Selfie Camera FeaturesHDRHDR, panorama
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspotWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE4.2, A2DP, LE
GPS++
NFC+-
RadioFM radio, RDS, recordingFM radio
USBUSB Type-C 2.0USB Type-C 2.0, USB On-The-Go
Sound
Loudspeaker++
3.5mm jack++
Features
Sensors
  • Fingerprint (rear-mounted)
  • accelerometer
  • compass
  • gyro
  • proximity
  • Fingerprint (rear-mounted)
  • accelerometer
  • compass
  • gyro
  • proximity
Misc
Colors
  • Ocean Blue
  • Red
  • Space Black
  • Cosmic Purple
  • Moonlight White
  • Nebula Purple
  • Neptune Blue
  • Space Black
Models
  • SM-M315F
  • SM-M315F/DS
  • SM-M315F/DSN
  • M1908C3JG
  • M1908C3JH
  • M1908C3JI
SAR EU Head (W/kg)0.480.19
SAR EU Body (W/kg)1.131.09
SAR Head (W/kg)0.520.26
SAR Body (W/kg)0.691
Infrared port-Yes



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