Realme C40 vs Realme C51

Key Specs

Battery
5100 mAh	-
Display
6.6 inches (16.76 cm)	-
Front Camera
8 MP	-
Processor
Unisoc T616	-
RAM
3 GB	-
Rear Camera
12 MP	-

Audio

Audio Jack
-	3.5 mm
Loudspeaker
-	Yes

Battery

Capacity
5100 mAh	5000 mAh
Quick Charging
Yes, Fast	Yes, Super VOOC, 33W: 50 % in 28 minutes
Removable
No	No
Type
Li-Polymer	Li-Polymer
USB Type-C
No	Yes

Camera

Autofocus
Yes	Yes, Phase Detection autofocus
Camera Features
Digital Zoom Auto Flash Face detection Touch to focus	-
Camera Setup
Single	-
Flash
Yes, LED Flash	Yes, LED Flash
Front Camera
-	5 MP
Image Resolution
4000 x 3000 Pixels	8150 x 6150 Pixels
Rear Camera
-	50 MP + 0.08 MP
Resolution
8 MP, Primary Camera	-
Settings
Exposure compensation	-
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
1920x1080 @ 30 fps	1280x720 @ 30 fps

Design

Colours
-	Mint Green, Carbon Black
Weight
-	186 grams

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Dimensions

Height
-	167.2 mm
Thickness
-	7.9 mm
Width
-	76.7 mm

Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes with waterdrop notch
Bezelless Display
Yes with waterdrop notch	-
Brightness
-	560 nits
Display Type
IPS LCD	IPS LCD
Pixel Density
255 ppi	260 ppi
Refresh Rate
-	90 Hz
Resolution
-	720x1600 px (HD+)
Screen Size
6.6 inches (16.76 cm)	6.74 inches (17.12 cm)
Screen to Body Ratio (claimed by the brand)
-	90.3 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	-

General

Brand
realme	realme
Custom UI
-	Realme UI
Launch Date
October 8, 2023 (Unofficial)	September 4, 2023
Operating System
Android v12	Android v13
SAR Value
-	Head: 1.183 W/kg, Body: 0.775 W/kg

Multimedia

Audio Jack
3.5 mm	-
Loudspeaker
Yes	-

Network & Connectivity

Bluetooth
Yes, v5.2	Yes, v5.0
GPS
Yes with A-GPS	Yes with A-GPS, Glonass
NFC
-	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
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) / 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) 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) / 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	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	-
Usb Connectivity
Mass storage device, USB charging, microUSB 2.0	-
VoLTE
Yes	Yes
Volte
Yes	-
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz, MIMO
Wi-Fi Features
Mobile Hotspot	-

Performance

Architecture
64 bit	-
CPU
Octa core (2 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)	-
Chipset
Unisoc T616	-
Fabrication
12 nm	-
Graphics
Mali-G57	Mali-G57
Processor
-	Unisoc T612
RAM
-	4 GB
RAM Type
-	LPDDR4X
Ram
3 GB	-

Sensors

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

Storage

Expandable Memory
Yes, Up to 1 TB	Yes, Up to 2 TB
Internal Memory
32 GB	64 GB