Samsung Galaxy M21 vs Xiaomi Redmi 4
Key Feature Comparison
Show differences only
At a Glance
Show differences only
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core, 1.4 GHz, Cortex A53
6000 mAh
4100 mAh
6.4 inches
5.0 inches
Triple, 48MP + 8MP + 5MP
Single, 13MP
4G
4G
Detailed Specs
Screen Size
6.4 inches
5.0 inches
Screen Type
Super AMOLED
IPS LCD
Screen Resolution
1080 x 2340 pixels
720 x 1280 pixels
Pixel Density
403 ppi
294 ppi
Aspect Ratio
19.5:9
-
Screen Protection
Gorilla Glass 3
Corning Gorilla Glass
Screen to Body Ratio
91%
70.67%
Screen Design
Waterdrop notch
-
Screen Quality
FHD
-
Peak Brightness
420 nits
-
Phone Variants
4GB 64GB, 6GB 128GB
4GB 64GB, 3GB 32GB, 2GB 16GB
Expandable Storage
Yes
Yes
RAM Type
LPDDR4X
-
Storage Type
UFS 2.1
-
Expandable Storage Capacity
Yes, 512 GB
Yes, 128 GB
OTG Support
Yes
Yes
Sensors
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Operating System
Android v10 (Q)
Android v6.0.1 (Marshmallow)
GPU
Mali-G72 MP3
Adreno 505
Chipset
Samsung Exynos 9 Octa 9611
Qualcomm Snapdragon 435 MSM8940
CPU
Octa core (2.3 GHz, Quad core, Cortex A73 + 1.7 GHz, Quad core, Cortex A53)
Octa core, 1.4 GHz, Cortex A53
Custom User Interface
Samsung One UI
MIUI
Clock Speed
2.3 GHz
1.4 GHz
Architecture
64 bit
64 bit
Process Technology
10 nm
-
Battery Capacity
6000 mAh
4100 mAh
Battery Removable
No
No
Battery Type
Li-ion
Li-ion
Charger Type
Fast, 15W
-
USB Type-C
Yes
No
Fast Charging
Yes
-
Announced On
18-Mar-20
5-May-17
Market Status
Available
Out of Stock
Brand
Samsung
Xiaomi
Model Number
SM-M215FZKDINS
MAI132
Price Status
Confirmed
Confirmed
Price
Rs. 13,499
Rs. 11,999
GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Dolby Atmos
Active noise cancellation with dedicated mic
NFC
No
No
Network Support
4G
4G
Bluetooth
Yes
Yes
3.5mm Audio Jack
Yes
Yes
SIM Size
SIM1: Nano, SIM2: Nano
SIM1: Micro, SIM2: Nano (Hybrid)
Wi-Fi
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, b/g/n
Bluetooth Type
v5.0
v4.2
Audio Jack
3.5 mm
3.5 mm
SIM Slot(s)
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
eSIM
No
No
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
VoLTE
Yes
Yes
SIM 1 Bands
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 900 MHz, 4G Speed: 100 Mbit/s 300 Mbit/s (LTE category 6), 3G Speed: HSDPA 42.2 Mbit/s , HSUPA 5.7...
SIM 2 Bands
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS:...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5), 3G Bands: UMTS 2100 / 900 MHz, 2G Bands: GSM 1800 / 900 MHz, 4G Speed: 100 Mbit/s 300 Mbit/s (LTE category 6), 3G Speed: HSDPA 42.2 Mbit/s , GPRS: Ava...
Front Video Recording
1920x1080 @ 30 fps
1080p30fps
Front Camera Features
HDR
-
Front Camera Setup
Single, 20MP
Single, 5MP
Front Camera 1 Resolution
20 MP
5 MP
Front Camera 1 Type
f/2.2 Primary Camera
f/2.2 Primary Camera
Front Camera 1 Lens
26 mm focal length
-
Front Sensor
CMOS
-
Front Aperture
f/2.2
f/2.2
Front Flash
No
No
Weight
188 grams
150 grams
Colors
Midnight Blue, Raven Black
Gorgeous Black, Elegant Gold
Build
Back: Plastic
Case: Metal, Back: Metal
Dimensions
159 x 75.1 x 8.9 mm
139.2 x 69.9 x 8.6 mm
SAR Value
Head: 0.468 W/kg
Head: 0.75 W/kg
OIS
No
No
Rear Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 120 fps
Rear Camera Features
4 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Triple, 48MP + 8MP + 5MP
Single, 13MP
Rear Camera 1 Resolution
48 MP
13 MP
Rear Camera 1 Type
f/2.0 (upto 4x Digital Zoom) Primary Camera
f/2.0 Primary Camera
Rear Camera 1 Lens
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
1.12 micrometre pixel size
Rear Camera 2 Resolution
8 MP
-
Rear Camera 2 Type
f/2.2, Wide Angle, Ultra-Wide Angle Camera
-
Rear Camera 2 Lens
12 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
-
Rear Camera 3 Resolution
5 MP
-
Rear Camera 3 Type
f/2.2, Depth Camera
-
Rear Sensor
CMOS image sensor
-
Rear Aperture
f/2.0
f/2.0
Fingerprint Scanner
Yes
Yes
Fingerprint Scanner Position
Rear
Rear
Face Unlock
Yes
-