Realme C31 vs Realme C51

Key Specs

Battery
Battery	5000 mAh	5000 mAh
Display
Display	6.5 inches (16.51 cm)	6.74 inches (17.12 cm)
Front Camera
Front Camera	5 MP	5 MP
Processor
Processor	Unisoc T612	Unisoc T612
RAM
RAM	3 GB	4 GB
Rear Camera
Rear Camera	13 MP + 2 MP + 0.3 MP	50 MP + 0.08 MP

Battery

Capacity
Capacity	5000 mAh	5000 mAh
Quick Charging
Quick Charging	-	Yes, Super VOOC, 33W: 50 % in 28 minutes
Removable
Removable	No	No
Type
Type	Li-Polymer	Li-Polymer
USB Type-C
USB Type-C	No	Yes

Design

Build Material
Build Material	Back: Plastic	-
Colours
Colours	Dark Green, Light Silver	Mint Green, Carbon Black
Height
Height	164.7 mm	167.2 mm
Thickness
Thickness	8.4 mm	7.9 mm
Weight
Weight	197 grams Below	186 grams
Width
Width	76.1 mm	76.7 mm

Display

Aspect Ratio
Aspect Ratio	20:9	20:9
Bezel-less display
Bezel-less display	Yes with waterdrop notch	Yes with waterdrop notch
Brightness
Brightness	400 nits	560 nits
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	270 ppi	260 ppi
Refresh Rate
Refresh Rate	60 Hz	90 Hz
Resolution
Resolution	720x1600 px (HD+)	720x1600 px (HD+)
Screen Size
Screen Size	6.5 inches (16.51 cm)	6.74 inches (17.12 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	81.38 %	85.52 %
Screen to Body Ratio (claimed by the brand)
Screen to Body Ratio (claimed by the brand)	88.7 %	90.3 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Features
Camera Features	Fixed Focus	Fixed Focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, Screen flash	Yes, Screen flash
Resolution
Resolution	5 MP f/2.2, Wide Angle, Primary Camera(5.0" sensor size, 1.12µm pixel size)	5 MP f/2.2, Wide Angle, Primary Camera(5.0" sensor size, 1.12µm pixel size)
Sensor
Sensor	CMOS	-
Video Recording
Video Recording	1280x720 @ 30 fps	1280x720 @ 30 fps

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General

Brand
Brand	realme	realme
Custom UI
Custom UI	Realme UI	Realme UI
Launch Date
Launch Date	April 6, 2022 (Official)	September 4, 2023 (Official)
Operating System
Operating System	Android v11	Android v13

Main Camera

Autofocus
Autofocus	Yes	Yes, Phase Detection autofocus
Camera Features
Camera Features	4 x Digital Zoom Auto Flash Face detection Touch to focus	10 x Digital Zoom Auto Flash Face detection Filters Touch to focus
Camera Setup
Camera Setup	Triple	Dual
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	4128 x 3096 Pixels	8150 x 6150 Pixels
Resolution
Resolution	13 MP f/2.2, Wide Angle (81° field-of-view), Primary Camera(24.85 mm focal length, 3" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera(21.88 mm focal length, 5.0" sensor size, 1.75µm pixel size)0.3 MP f/2.8, Depth Camera(36.14 mm focal length)	50 MP f/1.8, Wide Angle (77° field-of-view), Primary Camera(27 mm focal length, 2.7" sensor size, 0.64µm pixel size)0.08 MP f/3.0, Depth Camera(61 mm focal length)
Sensor
Sensor	IMX258, Exmor-RS CMOS Sensor	S5KJN1, ISO-CELL
Settings
Settings	Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR) Macro Mode	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	1920x1080 @ 30 fps 1280x720 @ 30 fps	1920x1080 @ 30 fps 1280x720 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	No	No
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v5.0	Yes, v5.0
GPS
GPS	Yes with A-GPS	Yes with A-GPS, Glonass
NFC
NFC	No	No
Network Support
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
SAR Value	-	Head: 1.183 W/kg, Body: 0.775 W/kg
SIM 1
SIM 1	4G Bands: TD-LTE 2600(band 38) / 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	4G Bands: TD-LTE 2600(band 38) / 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
SIM 2	4G Bands: TD-LTE 2600(band 38) / 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	4G Bands: TD-LTE 2600(band 38) / 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
SIM Size	SIM1: Nano, SIM2: Nano	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, USB charging, microUSB 2.0	Mass storage device, USB charging
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n) 5GHz, MIMO	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz, MIMO
Wi-Fi Features
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	64 bit
CPU
CPU	Octa core (1.82 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)	Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Chipset
Chipset	Unisoc T612	Unisoc T612
Fabrication
Fabrication	12 nm	12 nm
Graphics
Graphics	Mali-G57 MP1	Mali-G57
RAM type
RAM Type	LPDDR4X	LPDDR4X

Sensors

Fingerprint Sensor
Fingerprint Sensor	Yes	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	Side	Side
Other Sensors
Other Sensors	Light sensor, Proximity sensor, Accelerometer, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
Expandable Memory	Yes, Up to 1 TB	Yes, Up to 2 TB
Internal Memory
Internal Memory	32 GB	64 GB
Storage Type
Storage Type	UFS 2.2	-
USB OTG
USB OTG	Yes	Yes