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Infinix Zero 8i vs Realme 7 vs Samsung Galaxy A21S

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Last Updated: 
29th Jan 2021

Key Feature Comparison

Infinix Zero 8i
₹14,999
7/10
Realme 7
₹14,999
8/10
Samsung Galaxy A21s
₹13,499
8/10
Infinix Zero 8i
Infinix Zero 8i
7/10
₹14,999
7/10
VS
Realme 7
Realme 7
8/10
₹14,999
8/10
VS
Samsung Galaxy A21s
Samsung Galaxy A21s
8/10
₹13,499
8/10
Display
Screen Size
6.85 inches
6.5 inches
6.5 inches
Screen Type
IPS LCD
IPS LCD
PLS TFT LCD
Screen Resolution
1080 x 2460 pixels
1080 x 2400 pixels
720 x 1600 pixels
Pixel Density
392 ppi
405 ppi
270 ppi
Aspect Ratio
20.5:9
20:09
20:09
Screen to Body Ratio
90.10%
90.50%
82.75%
Screen Design
Punch-Hole Display
Punch-Hole Display
Punch-Hole Display
Screen Refresh Rate
90 Hz
90 Hz
-
Screen Quality
FHD
FHD
HD
Peak Brightness
480 nits
480 nits
-
Screen Protection
-
Corning Gorilla Glass
-
Miscellaneous Features
Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Gyroscope
Performance
GPU
Mali-G76 MC4
Mali-G76 MC4
Mali-G52 MP1
Operating System
Android v10 (Q)
Android v10 (Q)
Android v10 (Q)
Chipset
MediaTek Helio G90T
MediaTek Helio G95
Samsung Exynos 8 Octa 850
CPU
Octa core (2.05 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2.05 GHz, Dual core, Cortex A76 + 2 GHz, Hexa Core, Cortex A55)
Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55)
Custom User Interface
XOS
Realme UI
Samsung One UI
Clock Speed
2.05 GHz
2.05 GHz
2 GHz
Architecture
64 bit
64 bit
64 bit
Process Technology
12 nm
12 nm
8 nm
General
Announced On
3-Dec-20
3-Sep-20
15-May-20
Market Status
Available
Available
Available
Brand
Infinix
Realme
Samsung
Price Status
Confirmed
Confirmed
Confirmed
Price
Rs. 15,999
Rs. 12,999
Rs. 13,999
Memory & Storage
Phone Variants
128GB 8GB RAM
64GB 6GB RAM, 128GB 8GB RAM
64GB 4GB RAM, 64GB 6GB RAM
Expandable Storage
Yes
Yes
Yes
RAM Type
LPDDR4X
LPDDR4X
LPDDR4X
Storage Type
UFS 2.1
UFS 2.1
eMMC 5.1
Expandable Storage Capacity
Yes, 256 GB
Yes, 256 GB
Yes, 512 GB
OTG Support
Yes
Yes
Yes
Battery
Battery Capacity
4500 mAh
5000 mAh
5000 mAh
Battery Removable
No
No
No
Battery Type
Li-Polymer
Li-ion
Li-ion
Charger Type
Fast, 33W
Super Dart, 30W
Fast, 15W
USB Type-C
Yes
Yes
Yes
Fast Charging
Yes
Yes
Yes
Charging Time
-
50 % in 26 minutes
-
Network & Connectivity
GPS
Yes A-GPS
Yes A-GPS, Glonass
Yes A-GPS, Glonass
Audio Features
DTS Sound
Dirac Sound Effect, MT6359 Audio Decoding Chip
-
NFC
No
No
No
Bluetooth
Yes
Yes
Yes
FM Radio
Yes
No
-
3.5mm Audio Jack
Yes
Yes
Yes
Bluetooth Type
v5.0
v5.0
v5.0
Audio Jack
3.5 mm
3.5 mm
3.5 mm
Front Camera
Front Video Recording
4K at 30fps, 1080p at 30/60fps
1920x1080 @ 30 fps, 1280x720 @ 30 fps
1920x1080 @ 30 fps
Front Camera Features
Dual-LED flash, HDR
Fixed Focus
-
Front Camera Setup
Dual, 16MP + 8MP
Single, 16MP
Single, 13MP
Front Camera 1 Resolution
16 MP
16 MP
13 MP
Front Camera 1 Type
f/2.0 (105 degree field-of-view) Primary Camera
f/2.1, Wide Angle Primary Camera
f/2.2 Primary Camera
Front Camera 2 Resolution
8 MP
-
-
Front Camera 2 Type
Wide Angle, Ultra-Wide Angle (105 degree field-of-view) Camera
-
-
Front Aperture
f/2.0
f/2.1
f/2.2
Front Flash
Yes, Dual LED
-
No
Front Camera 1 Lens
-
26 mm focal length, 3" sensor size, 1 micrometre pixel size
3.1" sensor size, 1.12 micrometre pixel size
Front Sensor
-
Exmor RS
-
Design
Weight
210.5 grams
196.5 grams
192 grams
Colors
Black Diamond, Silver Diamond
Mist Blue, Mist White
Black, Blue, White
Dimensions
168.7 x 76 x 9 mm
162.3 x 75.4 x 9.4 mm
163.7 x 75.3 x 8.9 mm
SAR Value
Head: 0.399 W/kg, Body: 0.954 W/kg
Head: 0.990 W/kg, Body: 0.934 W/kg
Head: 0.831 W/kg
Build
-
Plastic, Splash resistant design
Back: Plastic
Network
Network Support
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
4G (supports Indian bands), 3G, 2G
SIM Size
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
SIM1: Nano, SIM2: Nano
Wi-Fi
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
Yes, Wi-Fi 802.11, a/ac/b/g/n
Yes, Wi-Fi 802.11, ac/b/g/n/n 5GHz
SIM Slot(s)
Dual SIM, GSM+GSM
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 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) / 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 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) / 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, Quad LED Flash
Yes, LED Flash
Yes, LED Flash
Rear Video Recording
3840x2160 @ 30 fps, 1920x1080 @ 60 fps
3840x2160 @ 30 fps, 1920x1080 @ 60 fps, 1280x720 @ 240 fps
1920x1080 @ 30 fps
Rear Camera Features
10 x 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
Triple, 48MP + 8MP + 2MP
Quad, 64MP + 8MP + 2MP + 2MP
Quad, 48MP + 8MP + 2MP + 2MP
Rear Camera 1 Resolution
48 MP
64 MP
48 MP
Rear Camera 1 Type
f/1.79 (upto 10x Digital Zoom) Primary Camera
f/1.8, Wide Angle Primary Camera
f/2.0 (upto 8x Digital Zoom), Wide Angle Primary Camera
Rear Camera 2 Resolution
8 MP
8 MP
8 MP
Rear Camera 2 Type
Wide Angle, Ultra-Wide Angle Camera
f/2.3, Wide Angle, Ultra-Wide Angle Camera
f/2.2, Wide Angle, Ultra-Wide Angle Camera
Rear Camera 3 Resolution
2 MP
2 MP
2 MP
Rear Camera 3 Type
Depth Camera
f/2.4, Macro Camera
f/2.4, Macro Camera
Rear Aperture
f/1.79
f/1.8
f/2.0
Rear Camera 1 Lens
-
26 mm focal length, 1.7" sensor size, 0.8 micrometre pixel size
26 mm focal length, 2" sensor size, 0.8 micrometre pixel size
Rear Camera 2 Lens
-
16 mm focal length, 4.0" sensor size, 1.12 micrometre pixel size
4.0" sensor size, 1.12 micrometre pixel size
Rear Camera 3 Lens
-
22 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size
-
Rear Camera 4 Resolution
-
2 MP
2 MP
Rear Camera 4 Type
-
f/2.4, Depth Camera
f/2.4, Depth Camera
Rear Camera 4 Lens
-
22 mm focal length, 5.0" sensor size, 1.75 micrometre pixel size
-
Rear Sensor
-
Exmor-RS CMOS Sensor
-
Sensors
Fingerprint Scanner
Yes
Yes
Yes
Fingerprint Scanner Position
Side
Side
Rear

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