Samsung Galaxy M21 vs Xiaomi Mi 9T: Comparison

Comparison of features, performance, design, battery, camera and connectivity between the following smartphones: Samsung Galaxy M21 vs Xiaomi Mi 9T. The complete information of specifications to decide which to buy.

Devices

Ki Note

Ki Cost-effectiveness
No price,
no Ki
8.8
Cost-effectiveness
Design & Materials
7.5
8.7
Performance & Hardware
7.3
7.8
Camera
6.8
8.1
Connectivity
6.7
7.8
Battery
9.1
7.3

Basics

Brand

Brand
Aliases
SM-M215FZBDTHL, SM-M215FZ
Redmi K20, Xiaomi Redmi K20, Xiaomi Mi9T, M1903F10G

Release Date

Release date
March 2020, 20 days ago
June 2019, 9 months ago
State
Presell
On Sale

Design & Materials

Structure

Size
75.1 mm
159.0 mm
8.9 mm
74.3 mm
156.7 mm
8.8 mm
Weight
188 g
191 g
Usable surface
84 %
86 %
Materials
Plastic
Glass, Metal
Resistance
-
-
Colors
Black

Blue

Green
Black

Blue

Red

Screen

Diagonal
6.4"
6.39"
Type
Super Amoled
Amoled Samsung
Aspect Ratio
19.5:9
19.5:9
Resolution
1080 x 2340 px
1080 x 2340 px
Density
403 Pixels per inch
403 Pixels per inch
Others
  • Capacitive
  • Corning Gorilla Glass 3
  • Frameless
  • Infinity-U display
  • Multi-touch
  • Notch
  • Water Drop Notch
  • Peak brightness - 420 cd/m²
  • 103% NTSC
  • 2.5D curved glass screen
  • 600 cd/m2
  • 60000:1 contrast
  • Always-On Display
  • Capacitive
  • Corning Gorilla Glass 5
  • Frameless
  • HDR
  • LED Notifications
  • Multi-touch
  • Without Notch
  • Scratch resistant

Prototypes





Prototypes
Samsung Galaxy M21
Print 3D Model
Xiaomi Mi 9T
Print 3D Model

Photos

Performance & Hardware

Processor

Model
Samsung Exynos 7 Octa 9611
Qualcomm Snapdragon 730
CPU
4x2.3 GHz ARM Cortex-A73+ 4x1.7 GHz ARM Cortex-A53
2x2.2 GHz Kryo 470 + 6x1.8 GHz Kryo 470
Type
Octa-Core
Octa-Core
Frequency
2.3 GHz
2.2 GHz
64 Bits
Yes
Yes

Graphics

GPU
ARM Mali-G72 MP3
QUalcomm Adreno 618

RAM

RAM
4 GB
6 GB
Type
LPDDR4X RAM
LPDDR4X RAM

Antutu

Score
180.011 (Antutu v8)
Overall performance better than 83% of devices
251.377 (Antutu v8)
Overall performance better than 88% of devices

Storage

Capacity
64 GB
64 GB
Type
eMMC 5.1 Storage
UFS Storage 2.1
SD Slot
Yes
Independent SD slot
No

Security

Fingerprint
Yes, in the back
Yes, in screen

Sensors

Sensors
  • Fingerprint
  • Accelerometer
  • Compass
  • Geomagnetic
  • Gyroscope
  • Proximity
  • Fingerprint
  • Accelerometer
  • Compass
  • Gyroscope
  • Light sensor
  • Proximity

Others

Notifications LED
--
LED Notifications
Cooling system
No
No
Gaming buttons
No
No

Camera

Triple rear camera

Standard
1
Resolution
48 Mpx
Sensor
Samsung
Type
CMOS
Aperture
ƒ/ 2.0
ISO
--
Pixel size
--
Wide Angle lens
2
Resolution
8 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ 2.2
ISO
--
Pixel size
--
Portrait mode (depth)
3
Resolution
5 Mpx
Sensor
Unknown
Type
--
Aperture
ƒ/ 2.2
ISO
--
Pixel size
--

Triple rear camera

Standard
1
Resolution
48 Mpx
Sensor
Sony IMX582 Exmor RS
Type
CMOS
Aperture
ƒ/ 1.75
ISO
100 - 3200
Pixel size
0.80 µm
Sensor size
1/2.25
Telephoto lens
2
Resolution
8 Mpx
Sensor
Omnivision OV8865
Type
CMOS BSI 2
Aperture
ƒ/ 2.4
ISO
--
Pixel size
1.40 µm
Sensor size
1/3.2
Wide Angle lens
3
Resolution
13 Mpx
Sensor
Samsung S5K3L6
Type
ISOCELL
Aperture
ƒ/ 2.4
ISO
--
Pixel size
1.12 µm
Sensor size
1/3.1
Flash
LED
Dual LED
Features
  • 4K Video
  • Autofocus
  • Continuous shooting
  • Digital zoom
  • Exposure compensation
  • Face detection
  • Geotagging
  • HDR
  • ISO settings
  • Scene mode
  • Self-timer
  • Touch focus
  • Triple camera
  • White balance settings
  • 4K Video
  • Autofocus
  • Continuous shooting
  • Digital image stabilization
  • Digital zoom
  • Exposure compensation
  • Face detection
  • Geotagging
  • HDR
  • ISO settings
  • Manual focus
  • RAW
  • Retractable front camera
  • Scene mode
  • Self-timer
  • Touch focus
  • Triple camera
  • White balance settings
Slow Motion Video
Yes
240 fps
Yes
960 fps
Optical Stabilisation
No
No

Selfie

Resolution
20 Mpx
Sensor
Unknown
Type
CMOS
Aperture
ƒ/ 2.2
ISO
--
Pixel size
--
Resolution
20 Mpx
Sensor
Samsung S5K3T2
Type
ISOCELL
Aperture
ƒ/ 2.2
ISO
--
Pixel size
0.80 µm
Sensor size
1/3.4
Features
-
-

Connectivity

Networks

5G
-
-
4G LTE
  • B1 (2100)
  • B3 (1800)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
  • B41 (TDD 2500)
  • B1 (2100)
  • B2 (1900)
  • B3 (1800)
  • B4 (1700/2100 AWS 1)
  • B5 (850)
  • B7 (2600)
  • B8 (900)
  • B20 (800)
  • B28 (700)
  • B38 (TDD 2600)
  • B40 (TDD 2300)
3G
  • B1 (2100)
  • B2 (1900)
  • B5 (850)
  • B8 (900)
  • B1 (2100)
  • B2 (1900)
  • B4 (1700/2100 AWS A-F)
  • B5 (850)
  • B8 (900)
2G
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)
  • B2 (1900)
  • B3 (1800)
  • B5 (850)
  • B8 (900)

SIM card

Dual SIM
Dual Sim Dual Standby
Dual Sim Dual Standby
Type
Nano SIM
Nano SIM
Nano SIM
Nano SIM

Wi-Fi

Wi-Fi
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11n 5GHz
Others
  • Dual band
  • Wi-Fi Direct
  • Wi-Fi Hotspot
  • Dual band
  • Wi-Fi Direct
  • Wi-Fi Display
  • Wi-Fi Hotspot
  • Wi-Fi MiMO

Bluetooth

Version
Bluetooth 5.0
Bluetooth 5.0 LE Low energy consumption
Others
  • A2DP (Advanced Audio Distribution Profile)
  • AVRCP (Audio/Visual Remote Control Profile)
  • DIP (Device ID Profile)
  • HFP (Hands-Free Profile)
  • HID (Human Interface Profile)
  • HOGP
  • HSP (Headset Profile)
  • MAP (Message Access Profile)
  • OPP (Object Push Profile)
  • PAN (Personal Area Networking Profile)
  • PBAP/PAB (Phone Book Access Profile)
  • A2DP (Advanced Audio Distribution Profile)
  • APT-x
  • LE (Low Energy)

Navigation

Navigation
  • A-GPS
  • Beidou
  • Galileo
  • GLONASS
  • GPS
  • A-GPS
  • Beidou
  • Galileo
  • GLONASS
  • GPS

USB

USB
  • Charging
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C
  • Charging
  • Host
  • Mass Storage
  • USB On-The-Go (OTG)
  • USB Type C

SAR

European measurement

The European Union sets a limit of 2 W/kg averaged over 10 grams of tissue.

0.468 W/Kg on head
-- W/Kg on body
1.341 W/Kg on head
1.511 W/Kg on body
American measurement

The FCC limit is 1.6 W/kg measured in a volume of 1 gram of tissue

--
1.190 W/Kg on head
1.180 W/Kg on body

Others

Others
  • Audio Jack
  • Radio FM
  • Computer sync
  • OTA sync
  • Tethering.
  • VoLTE
  • NFC
  • Audio Jack
  • Radio FM
  • Computer sync
  • DLNA
  • OTA sync
  • Tethering.
  • VoLTE

Battery

Battery
Capacity
6000 mAh
4000 mAh
Type
Li-Ion
Li-Polymer
Fast charge
Yes, 15.0W
Yes, 27.0W
Others
  • Non-removable
  • Non-removable

Software

Software
Operating System
Android 10
MIUI V11 (Android 10)

Prices

Prices unavailable

Prices