Samsung Galaxy M31 Prime vs Xiaomi Redmi Note 8

Phones Images
Samsung Galaxy M31 Prime Xiaomi Redmi Note 8
PHONES
Phone Names Samsung Galaxy M31 Prime Xiaomi Redmi Note 8
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 661, 2, 3, 4, 5, 7, 8, 20, 38, 40
EDGEYes-
GPRSClass 10-
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE (4CA) Cat12 600/50 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2020, October 14. Released 2020, October 172019, August 29. Released 2019, October 16
StatusDiscontinuedDiscontinued
Body
BuildGlass front (Gorilla Glass 3), plastic back, plastic frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Dimensions159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)158.3 x 75.3 x 8.4 mm (6.23 x 2.96 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight191 g (6.74 oz)190 (6.70 oz)
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 5
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)6.3 inches, 97.4 cm2 (~81.7% screen-to-body ratio)
TypeSuper AMOLED, 420 nits (peak)IPS LCD
Platform
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)
ChipsetExynos 9611 (10 nm)Qualcomm SDM665 Snapdragon 665 (11 nm)
GPUMali-G72 MP3Adreno 610
OSAndroid 10, One UI 2.0Android 9.0 (Pie), upgradable to Android 11, MIUI 12.5
Memory
Call recordsYes-
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal64GB 6GB RAM, 128GB 6GB RAM32GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
PhonebookYes-
 UFS 2.1-
Main Camera
FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Quad64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 5 MP (macro) Auxiliary lens48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Single3.15 MP-
Video4K@30fps, 1080p@30fps, gyro-EIS4K@30fps, 1080p@30/60/120fps; gyro-EIS
Selfie camera
FeaturesHDRHDR, panorama
Single32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Video4K@30fps, 1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE4.2, A2DP, LE
Infrared port-Yes
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, BDS
RadioFM radio, RDS, recordingFM radio
USBUSB Type-C 2.0USB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
GamesDownloadable-
JavaYes-
MessagingSMS, MMS, Email, Push Email, IM-
SensorsFingerprint (rear-mounted), accelerometer, gyro, compassFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
 Virtual proximity sensing-
Battery
Charging15W wired18W wired
Stand-byUp to 150 h-
Talk timeUp to 1 h 30 min-
TypeLi-Po 6000 mAhLi-Po 4000 mAh, non-removable
Misc
ColorsOcean Blue, Space Black, Iceberg BlueNeptune Blue, Moonlight White, Space Black, Nebula Purple, Cosmic Purple
ModelsSM-M315F/DSM1908C3JH, M1908C3JG, M1908C3JI
PriceAbout 190 EURAbout 220 EUR
SAR0.38 W/kg (head)0.26 W/kg (head)     1.00 W/kg (body)
SAR EU-0.19 W/kg (head)     1.09 W/kg (body)
Tests
Audio quality- Noise -94.0dB / Crosstalk -93.3dB
Battery life- Endurance rating 108h
Camera- Photo / Video
Display- Contrast ratio: 1521:1 (nominal)
Loudspeaker- Voice 78dB / Noise 72dB / Ring 81dB
Performance- AnTuTu: 141915 (v7), 161572 (v8) GeekBench: 5590 (v4.4), 1339 (v5.1) GFXBench: 5.9fps (ES 3.1 onscreen)
OUR TESTS
Audio quality-Noise -94.0dB / Crosstalk -93.3dB
Battery (old)-Endurance rating 108h
Camera-Photo / Video
Display-Contrast ratio: 1521:1 (nominal)
Loudspeaker-Voice 78dB / Noise 72dB / Ring 81dB
Performance-AnTuTu: 141915 (v7), 161572 (v8) GeekBench: 5590 (v4.4), 1339 (v5.1) GFXBench: 5.9fps (ES 3.1 onscreen)