Karbonn Aura Sleek 4g vs Poco C31

Key Specs

Battery
2000 mAh	5000 mAh
Display
5.0 inches (12.7 cm)	6.53 inches (16.59 cm)
Front Camera
2 MP	5 MP
Processor
MediaTek MT6737M	MediaTek Helio G35
RAM
1 GB	3 GB
Rear Camera
5 MP	13 MP + 2 MP + 2 MP

Battery

Capacity
2000 mAh	5000 mAh
Removable
Yes	No
Standby Time
Up to 130 Hours(2G)	-
Standby time
Up to 130 Hours(2G)	-
TalkTime
Up to 4 Hours(4G) / Up to 8 Hours(2G)	-
Type
Li-ion	Li-Polymer
USB Type-C
No	No

Design

Colours
Grey, Champagne	Shadow Gray, Royal Blue
Height
145.6 mm	164.9 mm
Thickness
8.8 mm	9 mm
Waterproof
-	Yes, Splash proof
Weight
174 grams	194 grams Below
Width
71.5 mm	77.1 mm

Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes with waterdrop notch
Display Type
TFT	IPS LCD
Pixel Density
196 ppi	269 ppi
Resolution
480x854 px	720x1600 px (HD+)
Screen Protection
-	Yes
Screen Size
5.0 inches (12.7 cm)	6.53 inches (16.59 cm)
Screen to Body Ratio (calculated)
66.05 %	80.97 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
No	-
Camera Setup
-	Single
Flash
No	Yes, Screen flash
Resolution
2 MP, Primary Camera	5 MP f/2.2, Primary Camera(1.12µm pixel size)

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General

Brand
Karbonn	POCO
Custom UI
-	MIUI
Launch Date
March 17, 2017 (Official)	October 2, 2021
Operating System
Android v6.0 (Marshmallow)	Android v10 (Q)

Main Camera

Autofocus
Yes	Yes, Phase Detection autofocus
Camera Features
Digital Zoom Face detection Smile detection	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Single	Triple
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, Primary Camera(1µm pixel size)2 MP f/2.4, Macro Camera(1.75µm pixel size)2 MP f/2.4, Depth Camera(1.75µm 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 with A-GPS	Yes with A-GPS, 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: 0.506 W/kg, Body: 0.833 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 / 1900 / 850 / 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 / 1900 / 850 / 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: Micro	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	Mass storage device, USB charging, microUSB 2.0
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi Features
Mobile Hotspot	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
Quad core, 1.25 GHz, Cortex A53	Octa core, 2.3 GHz, Cortex A53
Chipset
MediaTek MT6737M	MediaTek Helio G35
Fabrication
-	12 nm
Graphics
Mali-T720 MP1	PowerVR GE8320
RAM
1 GB	3 GB
RAM Type
-	LPDDR4X
RAM type
-	LPDDR4X

Sensors

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

Storage

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