Realme C21 64gb vs Samsung Galaxy M56

Key Specs

Battery
5000 mAh	-
Display
6.5 inches (16.51 cm)	-
Front Camera
5 MP	-
Processor
MediaTek Helio G35	-
RAM
4 GB	-
Rear Camera
13 MP + 2 MP + 2 MP	-

Audio

Audio Jack
-	USB Type-C
Loudspeaker
-	Yes

Battery

Capacity
5000 mAh	5000mAh
Quick Charging
-	45W fast charging
Removable
No	No
Type
Li-ion	Li-Polymer
USB Type-C
No	Yes

Camera

Autofocus
-	Yes, Phase Detection autofocus
Flash
-	Yes, LED Flash
Front Camera
-	12MP
Image Resolution
-	9000 x 7000 Pixels
Rear Camera
-	50MP + 8MP + 2MP
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
-	1920x1080 @ 30 fps

Design

Build Material
Back: Plastic	-
Colours
Cross Blue, Cross Black	-
Height
165.2 mm	-
Thickness
8.9 mm	-
Weight
190 grams	-
Width
76.4 mm	-

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Display

Aspect Ratio
20:9	-
Bezel-less display
Yes with waterdrop notch	-
Brightness
400 nits	-
Display Type
IPS LCD	Super AMOLED Plus
Pixel Density
270 ppi	386 ppi
Refresh Rate
60 Hz	120Hz
Resolution
720x1600 px (HD+)	1080 x 2340 pixels
Screen Size
6.5 inches (16.51 cm)	6.74-inch
Screen to Body Ratio (calculated)
80.82 %	-
Screen to Body Ratio (claimed by the brand)
89.5 %	-
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	-

Front Camera

Camera Features
Fixed Focus	-
Camera Setup
Single	-
Resolution
5 MP f/2.2, Wide Angle, Primary Camera(5.0" sensor size, 1.12µm pixel size)	-

General

Brand
realme	Samsung
Custom UI
Realme UI	-
Launch Date
April 14, 2021 (Official)	April 17, 2025
Model
-	Galaxy M56
Operating System
Android v10 (Q)	Android 15

Main Camera

Autofocus
Yes, Phase Detection autofocus	-
Camera Features
4 x Digital Zoom Auto Flash Face detection Touch to focus	-
Camera Setup
Triple	-
Flash
Yes, LED Flash	-
Image Resolution
4128 x 3096 Pixels	-
Resolution
13 MP f/2.2, Wide Angle, Primary Camera(26 mm focal length, 3" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera(1.75µm pixel size)2 MP f/2.4, Mono Camera(1.75µm pixel size)	-
Sensor
CMOS image sensor	-
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	-
Loudspeaker
Yes	-

Network & Connectivity

Bluetooth
Yes, v5.0	5.3
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
No	-
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G
SIM 1
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 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	-
SIM 2
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 1900 / 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
USB Connectivity
Mass storage device, USB charging, microUSB 2.0	-
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n), MIMO	Wi-Fi 6
Wi-Fi Features
Mobile Hotspot	-

Performance

Architecture
64 bit	-
CPU
Octa core, 2.3 GHz, Cortex A53	-
Chipset
MediaTek Helio G35	-
Fabrication
12 nm	-
Graphics
PowerVR GE8320	Adreno 730
Processor
-	Samsung Exynos 1480, Octa-core (4x Cortex-A78 @ 2.7 GHz + 4x Cortex-A55 @ 2.0 GHz)
RAM
4 GB	8GB
RAM Type
LPDDR4X	-
RAM type
LPDDR4X	-

Sensors

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

Storage

Expandable Memory
Yes, Up to 256 GB	-
Internal Memory
64 GB	128GB / 256GB
Storage Type
eMMC 5.1	UFS 3.1
USB OTG
Yes	-