Karbonn K9 Kavach 4g vs Xiaomi Redmi A3x

Key Specs

Battery
2300 mAh	-
Display
5.0 inches (12.7 cm)	-
Front Camera
5 MP	-
Processor
MediaTek MT6737M	-
RAM
1 GB	-
Rear Camera
5 MP	-

Audio

Audio Jack
-	3.5 mm
Loudspeaker
-	Yes

Battery

Capacity
2300 mAh	5000 mAh
Removable
-	No
Standby Time
Up to 300 Hours(2G)	-
Standby time
Up to 300 Hours(2G)	Up to 575 Hours(2G)
TalkTime
Up to 10 Hours(2G)	-
Type
Li-ion	-
USB Type-C
No	Yes

Camera

Flash
-	Yes, LED Flash
Front Camera
-	5 MP
Image Resolution
-	3264 x 2448 Pixels
Rear Camera
-	8 MP + 0.08 MP
Shooting Modes
-	High Dynamic Range mode (HDR) Film Camera
Video Recording
-	1920x1080 @ 30 fps 1280x720 @ 30 fps

Design

Build Material
-	Back: Mineral Glass
Colours
Black, Champagne,Coffee	Midnight Black, Moonlight White, Aurora Green
Height
146 mm	-
Thickness
9.6 mm	-
Weight
161.3 grams	-
Width
75 mm	-

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Dimensions

Height
-	168.4 mm
Thickness
-	8.3 mm
Width
-	76.3 mm

Display

Aspect Ratio
16:9	-
Bezel-less display
-	Yes with waterdrop notch
Display Type
IPS LCD	IPS LCD
Pixel Density
294 ppi	268 ppi
Refresh Rate
-	90 Hz
Resolution
720x1280 px (HD)	720x1650 px (HD+)
Screen Protection
-	Corning Gorilla Glass v3
Screen Size
5.0 inches (12.7 cm)	6.71 inches (17.04 cm)
Screen to Body Ratio (calculated)
62.79 %	-
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	-

Front Camera

Flash
Yes, LED Flash	-

General

Brand
Karbonn	Xiaomi
Custom UI
-	MIUI
Launch Date
July 4, 2017 (Official)	-
Operating System
Android v7.0 (Nougat)	Android v14

Main Camera

Autofocus
Yes	-
Camera Features
Digital Zoom Face detection	-
Camera Setup
Single	-
Flash
Yes, Dual LED Flash	-
Image Resolution
2592 x 1944 Pixels	-
Resolution
5 MP, Primary Camera	-
Shooting Modes
Continuous Shooting	-

Multimedia

Audio Jack
3.5 mm	-
FM Radio
Yes	-
Loudspeaker
Yes	-

Network & Connectivity

Bluetooth
Yes	Yes, v4.2
GPS
Yes with A-GPS	Yes with Glonass
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: 0.834 W/kg	-
SIM 1
4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 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) / 850(band 5) / 800(band 20) 3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
2G Bands: GSM 1800 / 900 MHz	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) / 850(band 5) / 800(band 20) 3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
microUSB 2.0	-
VoLTE
-	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Mobile Hotspot	-

Performance

CPU
Quad core, 1.25 GHz, Cortex A53	-
Chipset
MediaTek MT6737M	-
Graphics
Mali-T720 MP2	Mali-G57
Processor
-	Unisoc T603
RAM
1 GB	3 GB
RAM Type
-	LPDDR4X

Sensors

Fingerprint Sensor
Yes	Yes
Fingerprint Sensor Position
Rear	-
Other Sensors
Light sensor, Proximity sensor, Accelerometer	Accelerometer

Storage

Expandable Memory
Yes, Up to 32 GB	Yes, Up to 1 TB
Internal Memory
8 GB	64 GB
Storage Type
-	eMMC 5.1
USB OTG
Yes	-
User Available Storage
Up to 3.59 GB	-