Infinix Smart 8 vs Karbonn X21

Key Specs

Battery
-	3000 mAh
Display
-	5.45 inches (13.84 cm)
Front Camera
-	5 MP
Processor
-	Unisoc SC9863
RAM
-	2 GB
Rear Camera
-	8 MP

Audio

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

Battery

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

Camera

Autofocus
Yes	-
Flash
Yes, LED Flash	-
Front Camera
8 MP	-
Image Resolution
8150 x 6150 Pixels	-
Rear Camera
50 MP	-
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	-
Video Recording
1920x1080 @ 30 fps	-

Design

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

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Dimensions

Height
163.6 mm	-
Thickness
8.5 mm	-
Width
75.6 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)
-	72.38 %
Screen to Body Ratio (claimed by the brand)
90 %	-
Touch Screen
-	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Resolution
-	5 MP, Primary Camera

General

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

Main Camera

Camera Features
-	Digital Zoom
Camera Setup
-	Single
Flash
-	Yes, LED Flash
Image Resolution
-	3264 x 2448 Pixels
OIS
-	No
Resolution
-	8 MP, Primary Camera
Shooting Modes
-	Burst mode

Multimedia

Audio Jack
-	3.5 mm
Loudspeaker
-	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, 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

Performance

Architecture
-	64 bit
CPU
-	Octa core, 1.6 GHz, Cortex A55
Chipset
-	Unisoc SC9863
Graphics
PowerVR GE8320	PowerVR GE8322
Processor
MediaTek Helio G36	-
RAM
4 GB	2 GB
RAM Type
LPDDR4X	-

Sensors

Fingerprint Sensor
Yes	No
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	-