Karbonn A99 vs Xiaomi Redmi 9a

Key Specs

Battery
1400 mAh	5000 mAh
Display
3.97 inches (10.08 cm)	6.53 inches (16.59 cm)
Front Camera
0.3 MP	5 MP
Processor
MediaTek MT6572	MediaTek Helio G25
RAM
512 MB	2 GB
Rear Camera
5 MP	13 MP

Battery

Capacity
1400 mAh	5000 mAh
Removable
-	No
Standby time
Up to 168 Hours(2G)	-
TalkTime
Up to 5 Hours(2G)	-
Type
Li-ion	Li-Polymer
USB Type-C
-	No

Design

Build Material
-	Back: Plastic
Colours
Black, White	Midnight Black, Sea Blue, Nature Green
Height
133 mm	164.9 mm
Thickness
9.7 mm	9 mm
Waterproof
-	Yes, Splash proof
Weight
-	194 grams Below
Width
66 mm	77 mm

Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes with waterdrop notch
Brightness
-	400 nits
Display Type
IPS LCD	IPS LCD
Pixel Density
235 ppi	269 ppi
Resolution
480x800 px	720x1600 px (HD+)
Screen Size
3.97 inches (10.08 cm)	6.53 inches (16.59 cm)
Screen to Body Ratio (calculated)
51.06 %	81.08 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Resolution
0.3 MP, Primary Camera	5 MP f/2.2, Wide Angle, Primary Camera(1.12µm pixel size)

Not sure which
mobile to buy?

General

Brand
Karbonn	Xiaomi
Custom UI
-	MIUI
Launch Date
January 1, 2017 (Official)	September 4, 2020 (Official)
Operating System
Android v4.2 (Jelly Bean)	Android v10 (Q)

Main Camera

Autofocus
-	Yes
Camera Features
Digital Zoom	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Single	Single
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
2592 x 1944 Pixels	4128 x 3096 Pixels
Resolution
5 MP, Primary Camera	13 MP f/2.2, Wide Angle, Primary Camera(28 mm focal length, 1µm pixel size)
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
-	1920x1080 @ 30 fps

Multimedia

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

Network & Connectivity

Bluetooth
Yes	Yes, v5.0
GPS
Yes	Yes with A-GPS, Glonass
NFC
-	No
Network Support
5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
-	Head: 0.528 W/kg, Body: 0.791 W/kg
SIM 1
3G Bands: UMTS 2100 MHz 2G Bands: GSM 1800 / 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
SIM 2
2G Bands: GSM 1800 / 900 MHz	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
SIM Size
-	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
microUSB 2.0	Mass storage device, USB charging, microUSB 2.0
VoLTE
-	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi Calling
-	Yes
Wi-Fi Features
Mobile Hotspot	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
Dual core, 1.3 GHz	Octa core (2 GHz, Quad core, Cortex A53 + 1.5 GHz, Quad core, Cortex A53)
Chipset
MediaTek MT6572	MediaTek Helio G25
Fabrication
-	12 nm
Graphics
-	PowerVR GE8320
RAM type
-	LPDDR4X

Sensors

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

Storage

Expandable Memory
Yes, Up to 32 GB	Yes, Up to 512 GB
Internal Memory
4 GB Below	32 GB
Storage Type
-	eMMC 5.1
USB OTG
-	Yes