Infinix Smart 8 vs Karbonn X21

Key Specs

Battery
5000 mAh	3000 mAh
Display
6.6 inches (16.76 cm)	5.45 inches (13.84 cm)
Front Camera
8 MP	5 MP
Processor
MediaTek Helio G36	Unisoc SC9863
RAM
4 GB	2 GB
Rear Camera
50 MP	8 MP

Battery

Capacity
5000 mAh	3000 mAh
Removable
No	Yes
Type
Li-Polymer	Li-ion
USB Type-C
Yes	No

Design

Build Material
Back: Plastic	-
Colours
Timber Black, Shinny Gold, Galaxy White, Rainbow Blue	Midnight Blue, Aqua Green
Height
163.6 mm	147.5 mm
Thickness
8.5 mm	9.3 mm
Weight
189 grams	160 grams
Width
75.6 mm	71.8 mm

Display

Aspect Ratio
20:9	18:9
Bezel-less display
Yes with punch-hole display	Yes
Display Type
IPS LCD	IPS LCD
Pixel Density
267 ppi	295 ppi
Refresh Rate
90 Hz	-
Resolution
720x1612 px (HD+)	720x1440 px (HD+)
Screen Size
6.6 inches (16.76 cm)	5.45 inches (13.84 cm)
Screen to Body Ratio (calculated)
85.03 %	72.38 %
Screen to Body Ratio (claimed by the brand)
90 %	-
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Setup
Single	-
Flash
Yes, LED Flash	-
Resolution
8 MP f/2.0, Wide Angle, Primary Camera	5 MP, Primary Camera

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General

Brand
Infinix	Karbonn
Custom UI
XOS	Android Go
Launch Date
January 15, 2024 (Official)	June 15, 2021 (Official)
Operating System
Android v13	Android v10

Main Camera

Autofocus
Yes	-
Camera Features
Digital Zoom Auto Flash Face detection Touch to focus	Digital Zoom
Camera Setup
Dual	Single
Flash
Yes, Quad LED Ring Flash	Yes, LED Flash
Image Resolution
8150 x 6150 Pixels	3264 x 2448 Pixels
OIS
-	No
Resolution
50 MP f/1.8, Wide Angle, Primary Camera(27 mm focal length)	8 MP, Primary Camera
Settings
Exposure compensation, ISO control	-
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	Burst mode
Video Recording
1920x1080 @ 30 fps	-

Multimedia

Audio Features
DTS Sound	-
Audio Jack
3.5 mm	3.5 mm
FM Radio
Yes	-
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v5.0	Yes, v4.2
GPS
Yes with A-GPS	Yes with A-GPS
NFC
No	No
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
-	Head: 0.807 W/kg, Body: 1.152 W/kg
SIM 1
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 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
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 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM1: Nano, SIM2: Nano	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging	Mass storage device, USB charging, microUSB 2.0
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 5 (802.11 a/b/g/n/ac)	Yes, Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi Features
Mobile Hotspot	Mobile Hotspot

Performance

Architecture
64 bit	64 bit
CPU
Octa core (2.2 GHz, Quad core, Cortex A53 + 1.8 GHz, Quad core, Cortex A53)	Octa core, 1.6 GHz, Cortex A55
Chipset
MediaTek Helio G36	Unisoc SC9863
Fabrication
12 nm	-
Graphics
PowerVR GE8320	PowerVR GE8322
RAM type
LPDDR4X	-

Sensors

Fingerprint Sensor
Yes	No
Fingerprint Sensor Position
Side	-
Other Sensors
Light sensor, Proximity sensor, Accelerometer, Compass	Light sensor, Proximity sensor, Accelerometer

Storage

Expandable Memory
Yes, Up to 2 TB	Yes, Up to 256 GB
Internal Memory
64 GB	32 GB
Storage Type
eMMC 5.1	-
USB OTG
Yes	-