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Specifications
 

Xiaomi Redmi Note 9S

Samsung Galaxy A31

Full Differences
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Xiaomi Redmi Note 9S
MORE PICTURES Samsung Galaxy A31
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Xiaomi Redmi Note 9S

Samsung Galaxy A31

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - SM-A315F
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G
4G Network 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F
  1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G
Speed HSPA, LTE HSPA, LTE
Launch
Announced 2020, March 23 2020, March 24
Status Available. Released 2020, April 30 Available. Released 2020, April 27
Body
Dimensions 165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in) 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
3D size compare
Weight 209 g (7.37 oz) 185 g (6.53 oz)
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
SIM Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
 Water-repellent coating
Display
Type IPS LCD, HDR10, 450 nits (typ) Super AMOLED
Size 6.67 inches, 107.4 cm2 (~84.5% screen-to-body ratio) 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
Protection Corning Gorilla Glass 5
Platform
OS Android 10, upgradable to Android 12, MIUI 14 Android 10, One UI 2.5
Chipset Qualcomm SM7125 Snapdragon 720G (8 nm) Mediatek MT6768 Helio P65 (12nm)
CPU Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU Adreno 618 Mali-G52 MC2
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
 UFS 2.1 eMMC 5.1
Main Camera
Modules 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro), AF
2 MP, f/2.4, (depth)
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
Features LED flash, HDR, panorama LED flash, panorama, HDR
Video 4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS 1080p@30fps
Selfie Camera
Modules 16 MP, f/2.5, (wide), 1/3.06" 1.0µm 20 MP, f/2.2, (wide)
Features HDR, panorama
Video 1080p@30/120fps 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
NFC No Yes (market/region dependent)
Infrared port Yes No
Radio FM radio, recording FM radio, RDS, recording
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, compass
  Virtual proximity sensing
Battery
Type Li-Po 5020 mAh, non-removable Li-Po 5000 mAh, non-removable
Charging 18W wired 15W wired
Misc
Colors Aurora Blue, Glacier White, Interstellar Gray Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
SAR 0.96 W/kg (head)     0.40 W/kg (body)    
SAR EU 0.72 W/kg (head)     0.98 W/kg (body)     0.49 W/kg (head)     1.68 W/kg (body)    
Models M2003J6A1G SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N
Price £ 228.03 / € 86.78 $ 191.75 / £ 139.99 / € 171.83 / ₹ 12,004
Tests
Performance AnTuTu: 254000 (v8)
GeekBench: 1785 (v5.1)
GFXBench: 15fps (ES 3.1 onscreen)
AnTuTu: 151815 (v8)
GeekBench: 5096 (v4.4), 1216 (v5.1)
GFXBench: 7fps (ES 3.1 onscreen)
Display Contrast ratio: 1389:1 (nominal) Contrast ratio: Infinite (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -27.8 LUFS (Good) -30.9 LUFS (Below average)
Battery (old) Endurance rating 127h Endurance rating 124h

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