Karbonn A27 Retina vs Xiaomi Redmi 9 Prime

Key Specs

Battery
1800 mAh	5020 mAh
Display
4.3 inches (10.92 cm)	6.53 inches (16.59 cm)
Front Camera
-	8 MP
Processor
-	MediaTek Helio G80
RAM
512 MB	4 GB
Rear Camera
8 MP	13 MP + 8 MP + 5 MP + 2 MP

Battery

Capacity
1800 mAh	5020 mAh
Quick Charging
-	Yes, Fast, 18W
Removable
-	No
Standby time
Up to 180(2G)	-
TalkTime
Up to 4(2G)	-
Type
Li-ion	Li-Polymer
USB Type-C
-	Yes

Camera

Autofocus
Yes	-
Camera Features
Digital Zoom Smile detection	-
Camera Setup
Single	-
Flash
Yes, Flash, LED Flash	-
Resolution
8 MP, Primary Camera	-
Shooting Modes
Continuous Shooting	-

Design

Build Material
-	Back: Plastic
Colours
Black	Space Blue, Mint Green, Sunrise Flare, Matte Black
Height
133.6 mm	163.3 mm
Thickness
9.10 mm	9.1 mm
Waterproof
-	Yes, Splash proof
Weight
126.5 grams	198 grams Below
Width
66 mm	77 mm

Display

Aspect Ratio
-	19.5:9
Bezel-less display
-	Yes with waterdrop notch
Brightness
-	400 nits
Display Type
IPS LCD	IPS LCD
Pixel Density
256 ppi	395 ppi
Refresh Rate
-	60 Hz
Resolution
960x540 px (HD)	1080x2340 px (FHD+)
Screen Protection
-	Corning Gorilla Glass v3
Screen Size
4.3 inches (10.92 cm)	6.53 inches (16.59 cm)
Screen to Body Ratio (calculated)
57.77 %	83.06 %
Touch Screen
Yes, Capacitive Touchscreen	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Camera Setup
-	Single
Resolution
-	8 MP f/2.0, Wide Angle, Primary Camera(27 mm focal length, 4.0" sensor size, 1.12µm pixel size)

General

Brand
Karbonn	Xiaomi
Custom UI
-	MIUI
Launch Date
March 7, 2013	August 6, 2020
Operating System
Android v4.1 (Jelly Bean)	Android v10 (Q)

Main Camera

Autofocus
-	Yes, Phase Detection autofocus
Camera Features
-	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
-	Quad
Flash
-	Yes, LED Flash
Image Resolution
-	4128 x 3096 Pixels
Resolution
-	13 MP f/2.2, Wide Angle, Primary Camera(28 mm focal length, 3.1" sensor size, 1.12µm pixel size)8 MP f/2.2, Ultra-Wide Angle Camera(4.0" sensor size, 1.12µm pixel size)5 MP f/2.4, Macro Camera 2 MP f/2.4, Depth Camera
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
FM Radio
Yes	Yes
Loudspeaker
-	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: 0.854 W/kg, Body: 0.417 W/kg
SIM 1
3G Speed: HSPA , EV-DO category Rev.A 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
-	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
USB 2.0	Mass storage device, USB charging
VoLTE
-	Yes
Wi-Fi
Yes, Wi-Fi	Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz
Wi-Fi Calling
-	Yes
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
Dual core, 1.2 GHz	Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Chipset
-	MediaTek Helio G80
Fabrication
-	12 nm
Graphics
-	Mali-G52
RAM type
-	LPDDR4X

Sensors

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

Storage

Expandable Memory
Yes, Up to 32 GB	Yes, Up to 512 GB
Internal Memory
4 GB	64 GB
Storage Type
-	eMMC 5.1
USB OTG
-	Yes