Karbonn X21 vs Realme C61

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 Jack
-	3.5 mm
Loudspeaker
-	Yes

Battery

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

Camera

Autofocus
-	Yes
Flash
-	Yes, Screen flash
Front Camera
-	5 MP
Image Resolution
-	6500 x 4920 Pixels
Rear Camera
-	32 MP
Video Recording
-	1280x720 @ 30 fps

Design

Colours
Midnight Blue, Aqua Green	Safari Green, Marble Black
Height
147.5 mm	-
Ruggedness
-	Dust proof
Thickness
9.3 mm	-
Weight
160 grams	187 grams
Width
71.8 mm	-

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Dimensions

Height
-	167.26 mm
Thickness
-	7.84 mm
Width
-	76.67 mm

Display

Aspect Ratio
18:9	20:9
Bezel-less display
Yes	Yes with waterdrop notch
Display Type
IPS LCD	IPS LCD
Pixel Density
295 ppi	259 ppi
Refresh Rate
-	90 Hz
Resolution
720x1440 px (HD+)	5 MP f/2.2, Wide Angle, Primary Camera(26 mm focal length, 5.0" sensor size, CMOS, 1.12µm pixel size)
Screen Protection
-	Yes
Screen Size
5.45 inches (13.84 cm)	6.78 inches (17.22 cm)
Screen to Body Ratio (calculated)
72.38 %	-
Screen to Body Ratio (claimed by the brand)
-	90.3 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	-

Front Camera

Resolution
5 MP, Primary Camera	-

General

Brand
Karbonn	realme
Custom UI
Android Go	Realme UI
Launch Date
June 15, 2021 (Official)	June 28, 2024
Operating System
Android v10	Android v14

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, v4.2	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: 0.807 W/kg, Body: 1.152 W/kg	-
SIM 1
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	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
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	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	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 4 (802.11 a/b/g/n)	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi Features
Mobile Hotspot	-

Performance

Architecture
64 bit	-
CPU
Octa core, 1.6 GHz, Cortex A55	-
Chipset
Unisoc SC9863	-
Graphics
PowerVR GE8322	Mali-G57
Processor
-	Unisoc T612
RAM
2 GB	4 GB

Sensors

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

Storage

Expandable Memory
Yes, Up to 256 GB	Yes, Up to 2 TB
Internal Memory
32 GB	64 GB