Phone Comparison - Xiaomi Redmi Note 9 vs Xiaomi Redmi 9 vs Samsung Galaxy Quantum 2

general General Info

Manufacturer Xiaomi Xiaomi Samsung
Announced 2020, April 30 Not announced yet April 2021
Status Coming soon. Exp. release 2020, May Coming soon. Exp. release 2020, June Coming Soon - April 2021
Colors Forest Green, Midnight Grey, Polar White Ocean Green, Sunset Purple, Carbon Gray Black, White, Violet
Form Factor Candybar Candybar Candybar
Dimension 162.3 x 77.2 x 8.9 mm
(6.39 x 3.04 x 0.35 in)
163.32 x 77.01 x 9.1 mm
(6.43 x 3.03 x 0.36 in)
161.9 x 73.8 x 8.1 mm
(6.37 x 2.91 x 0.32 in)
Weight 199 g (7.02 oz) 198 g (6.98 oz) 176 g (6.21 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Nano-SIM
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 2628, 32(1500), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 25(1900), 2628, 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100), 71(600) 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
5G Network - - 78 SA/NSA
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor
Splash resistant
- Fingerprint Sensor(under display, optical)

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 11, One UI 3.1
User Interface MIUI 11 MIUI 11, upgradable to MIUI 12 One UI 3.1
Processor Octa-core (2x Cortex-A75 @ 2 GHz, 6x Cortex-A55 @ 2 GHz), MediaTek Helio G85 (12nm) Octa-Core (Dual 2GHz Cortex-A75 + Hexa 2GHz 6x Cortex-A55 CPUs), MediaTek Helio G80 12nm Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485), Qualcomm SM8150 Snapdragon 855+ (7 nm), QRNG security chipset
GPU Mali-G52 MC2 Mali-G52 2EEMC2 Adreno 640 (700 MHz)
RAM 4 GB 4 GB 6 GB
Internal Memory 128 GB 64 GB 128 GB
External Memory microSDXC (dedicated slot) microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type FHD+ IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5 QHD+ Dynamic AMOLED 2X Screen
120Hz Refresh Rate
1200 nits (peak)
Colors 16M colors 16M colors 16M colors
Size 6.53 inches 6.53 inches 6.7 inches
Resolution 1080 x 2340 pixels (395 ppi) 1080 x 2340 pixels (395 ppi) 1440 x 3200 pixels (524 ppi)
Screen-to-Body Ratio 83.40% 83.09% 90.62%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio FM radio, recording Wireless FM radio (no wired headphones required) No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP + 2 MP 13 MP + 8 MP + 5 MP + 2 MP 64 MP + 12 MP + 5 MP
Flash LED flash LED flash LED Flash
Features 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
2 MP, f/2.4, (macro), AF
2 MP, f/2.4, (depth)
HDR, Panorama
13 MP, f/1.8, (wide), 1/3.1", 1.12µm, PDAF
8 MP, f/2.2, 118° (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, panorama
64 MP, f/1.8, 26mm (wide), 1/1.7X", 0.8µm, PDAF, OIS
12 MP, f/2.2, 123˚ (ultrawide), 1.12µm
5 MP, f/2.4, (macro)
Panorama, HDR
Video 1080p@30fps 2160p@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30/60/240fps; gyro-EIS
Front Camera 13 MP, f/2.3, 29mm (normal), 1/3.1", 1.12µm
HDR, Panorama
1080p@30fps [Similar]
8 MP, f/2.0, (wide), 1/4", 1.12µm
HDR
1080p@30fps [Similar]
10 MP, f/2.2, (wide)
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A, 5G
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi 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
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go USB Type-C 2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 4 GB RAM or 64 GB, 3 GB RAM 64 GB, 4 GB RAM or 32 GB, 3 GB RAM 128 GB, 6 GB RAM
Expandable Storage microSDXC (dedicated slot) microSDXC (dedicated slot) microSDXC (dedicated slot)
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor not present gyroscope sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 25W
Capacity 5020mAh 5020 mAh 4500 mAh
Stand by - - -
Talk Time - - -