Realme 1 vs Xiaomi Redmi 9i vs Samsung Galaxy A21S
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Last Updated:
23rd Jul 2021
Key Feature Comparison
Realme 1
₹10,299
7/10
Xiaomi Redmi 9i
₹8,299
7/10
Samsung Galaxy A21s
₹13,999
8/10
Realme 1
7/10
₹10,299
7/10
VS
Xiaomi Redmi 9i
7/10
₹8,299
7/10
VS
Samsung Galaxy A21s
8/10
₹13,999
8/10
Display
Screen Size
6.0 inches
6.53 inches
6.5 inches
Screen Type
IPS LCD
IPS LCD
-
Screen Resolution
1080 x 2160 pixels
720 x 1600 pixels
720 x 1600 pixels
Pixel Density
402 ppi
269 ppi
270 ppi
Aspect Ratio
18:09
20:09
20:09
Screen Protection
Gorilla Glass 3
-
-
Screen to Body Ratio
78.94%
81.01%
82.75%
Screen Design
Bezel-less
Waterdrop notch
Punch hole
Screen Quality
FHD
-
-
Peak Brightness
-
270 nits
-
Memory & Storage
Phone Variants
4GB 64GB, 3GB 32GB, 6GB 128GB
4GB 128GB, 4GB 64GB
6GB 64GB, 4GB 64GB, 6GB 128GB
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
-
LPDDR4X
Storage Type
eMMC 5.1
-
eMMC 5.1
Expandable Storage Capacity
Yes, 256 GB
Yes, 512 GB
Yes, 512 GB
OTG Support
Yes
Yes
Yes
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Performance
Operating System
Android v8.1 (Oreo)
Android v10 (Q)
Android v10 (Q)
GPU
Mali-G72 MP3
PowerVR GE8320
Mali-G52 MP1
Chipset
MediaTek Helio P60
MediaTek Helio G25
Samsung Exynos 8 Octa 850
CPU
Octa core (2 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53)
Octa core, 2 GHz, Cortex A53
Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)
Custom User Interface
ColorOS
MIUI
Samsung One UI
Clock Speed
2 GHz
2 GHz
2 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
12 nm
12 nm
8 nm
Battery
Battery Capacity
3410 mAh
5000 mAh
5000 mAh
Battery Removable
No
No
No
Battery Type
Li-ion
Li-Polymer
Li-ion
USB Type-C
No
No
Yes
General
Announced On
25-May-18
9-Sep-20
15-May-20
Market Status
Available
Available
Available
Brand
Realme
Xiaomi
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 10,999
Rs. 7,469
Rs. 13,999
Network & Connectivity
GPS
Yes A-GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
Active noise cancellation with dedicated mic
-
-
NFC
No
No
No
Bluetooth
Yes
Yes
Yes
FM Radio
Yes
-
-
3.5mm Audio Jack
Yes
Yes
Yes
Bluetooth Type
v4.2
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
3.5 mm
Design
Weight
155 grams
194 grams
192 grams
Colors
Diamond Black, Solar Red
Midnight Black, Sea Blue,Nature Green
Black, Blue, White
Build
Back: Plastic
Back Panel: Plastic
Back: Plastic
Dimensions
156.5 x 75.2 x 7.8 mm
164.9 x 77.07 x 9 mm
163.7 x 75.3 x 8.9 mm
Water Resistance
-
Yes, Splash proof
-
SAR Value
-
Head: 0.528 W/kg, Body: 0.791 W/kg
Head: 0.831 W/kg
Network
Network Support
4G
4G
4G
SIM Size
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
Wi-Fi
Yes, Wi-Fi 802.11, a/ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/b/g/n
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
SIM Slot(s)
Dual SIM, GSM+GSM, Dual VoLTE
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
eSIM
No
No
No
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
Wi-Fi Direct, Mobile Hotspot
VoLTE
Yes
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) / 900(band 8) / 850(band 5), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
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) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
SIM 2 Bands
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
4G Bands: TD-LTE 2300(band 40) / 2500(band 41), FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz, GPRS: Available, EDGE: Available...
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) / 700(band 28) / 1900(band 2) / 850(band 5) / 800(band 20), 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz, 2G Bands: GSM 1800...
Rear Camera
Rear Flash
Yes, LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
1920x1080 @ 30 fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps
Rear Camera Features
Digital Zoom, Auto Flash, Face detection, Touch to focus
Digital Zoom, Auto Flash, Face detection, Touch to focus
8 x Digital Zoom, Auto Flash, Face detection, Touch to focus
Rear Camera Setup
Single, 13MP
Single, 13MP
Quad, 48MP + 8MP + 2MP + 2MP
Rear Camera 1 Resolution
13 MP
13 MP
48 MP
Rear Camera 1 Type
f/2.2 Primary Camera
f/2.2 Primary Camera
f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera
Rear Sensor
CMOS image sensor
-
-
Rear Aperture
f/2.2
f/2.2
f/2.0
Rear Camera 1 Lens
-
1 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
Front Camera
Front Camera Setup
Single, 8MP
Single, 5MP
Single, 13MP
Front Camera 1 Resolution
8 MP
5 MP
13 MP
Front Camera 1 Type
f/2.2 Primary Camera
f/2.2 Primary Camera
f/2.2 Primary Camera
Front Aperture
f/2.2
f/2.2
f/2.2
Front Video Recording
-
1080p30fps
1920x1080 @ 30 fps
Front Camera Features
-
HDR
-
Front Camera 1 Lens
-
1.12 micrometre pixel size
3.1" sensor size, 1.12 micrometre pixel size
Front Flash
-
Yes, Screen flash
No
Sensors
Fingerprint Scanner
No
No
Yes
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