Phone Comparison - Samsung Galaxy M51 vs Xiaomi Redmi Note 9S vs Xiaomi Redmi Note 9 Pro (Global Version)

general General Info

Manufacturer Samsung Xiaomi Xiaomi
Announced 2020, August 31 March 2020 April 2020
Status Coming soon. Exp. release 2020, September 11 Coming Soon - April 2020 Coming Soon - May 2020
Colors Blue; other colors Aurora Blue, Glacier White, Interstellar Gray Tropical Green, Glacier White, Interstellar Gray
Form Factor Candybar Candybar Candybar
Dimension 162.6 x 77.5 x 8.5 mm
(6.4 x 3.05 x 0.33 in)
165.8 x 76.7 x 8.8 mm
(6.53 x 3.02 x 0.35 in)
165.8 x 76.7 x 8.8 mm
(6.53 x 3.02 x 0.35 in)
Weight - 209 g (7.37 oz) 209 g (7.37 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
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 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Messaging
Build Features - Fingerprint Sensor (side-mounted)
- Fingerprint Sensor (side-mounted)
Splash-proof
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 10
User Interface One UI 2.0 MIUI 11 MIUI 11
Processor Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm) Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm)
GPU Adreno 618 Adreno 618 Adreno 618
RAM 6 GB 6 GB 6 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSDXC microSDXC (dedicated slot) microSDXC (dedicated slot)

display Display

Type FHD+ IPS LCD Capacitive Touchscreen
Corning Gorilla Glass 3
FHD+ IPS LCD Capacitive Touchscreen
Corning Gorilla Glass 5
450 nits typ. brightness (advertised)
IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 5
Colors 16M colors 16M colors 16M colors
Size 6.5 inches 6.67 inches 6.67 inches
Resolution 1080 x 2340 pixels (396 ppi) 1080 x 2400 pixels (395 ppi) 1080 x 2400 pixels (395 ppi)
Screen-to-Body Ratio 82.51% 84.28% 84.28%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack no yes yes
Radio FM radio FM radio, recording -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 64 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 5 MP + 2 MP 64 MP + 8 MP + 5 MP + 2 MP
Flash LED Flash LED flash LED flash
Features 64 MP, f/2.0, 26mm (wide), 1/1.72", 0.8µm, PDAF
12 MP, f/2.2, (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth)
Panorama, HDR
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
5 MP, f/2.4, (macro), 1.12µm
2 MP, f/2.4, (depth)
HDR, Panorama
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 119° (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro), 1/5.0", 1.12µm, AF
2 MP, f/2.4, (depth)
HDR, panorama
Video 4K@30fps, 1080p@30fps 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS 2160p@30fps, 1080p@30/60/120fps, 720p@960fps
Front Camera 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
16 MP Punch-Hole, f/2.5, 26mm (wide), 1/3.1", 1.0µm
HDR
1080p@30fps [Similar]
16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm
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 (2CA) Cat6 400/50 Mbps HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
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 2.0, Type-C 1.0 reversible connector
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, 6 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage microSDXC 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 present gyroscope sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 30W
Capacity 7000 mAh 5020 mAh 5020 mAh
Stand by - - -
Talk Time - - -