Realme C51 vs Tecno Spark 6 Air

Key Specs

Battery
-	6000 mAh
Display
-	7.0 inches (17.78 cm)
Front Camera
-	8 MP
Processor
-	MediaTek Helio A22
RAM
-	2 GB
Rear Camera
-	13 MP + 2 MP

Audio

Audio Jack
3.5 mm	-
Loudspeaker
Yes	-

Battery

Capacity
5000 mAh	6000 mAh
Quick Charging
Yes, Super VOOC, 33W: 50 % in 28 minutes	-
Removable
No	No
Standby Time
-	Up to 743 Hours(2G)
Standby time
-	Up to 743 Hours(2G)
Type
Li-Polymer	Li-ion
USB Type-C
Yes	No

Camera

Autofocus
Yes, Phase Detection autofocus	-
Flash
Yes, LED Flash	-
Front Camera
5 MP	-
Image Resolution
8150 x 6150 Pixels	-
Rear Camera
50 MP + 0.08 MP	-
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	-
Video Recording
1280x720 @ 30 fps	-

Design

Colours
Mint Green, Carbon Black	Comet Black, Ocean Blue
Height
-	174.6 mm
Thickness
-	9.3 mm
Weight
186 grams	-
Width
-	79.3 mm

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Dimensions

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

Display

Aspect Ratio
20:9	20.5:9
Bezel-less display
Yes with waterdrop notch	Yes with waterdrop notch
Brightness
560 nits	480 nits
Display Type
IPS LCD	IPS LCD
Pixel Density
260 ppi	256 ppi
Refresh Rate
90 Hz	-
Resolution
720x1600 px (HD+)	720x1640 px (HD+)
Screen Size
6.74 inches (17.12 cm)	7.0 inches (17.78 cm)
Screen to Body Ratio (calculated)
-	84.17 %
Screen to Body Ratio (claimed by the brand)
90.3 %	-
Touch Screen
-	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Setup
-	Single
Flash
-	Yes, Dual LED
Resolution
-	8 MP f/2.0, Primary Camera

General

Brand
realme	Tecno
Custom UI
Realme UI	Android Go
Launch Date
September 4, 2023	August 6, 2020
Operating System
Android v13	Android v10 (Q)
SAR Value
Head: 1.183 W/kg, Body: 0.775 W/kg	-

Main Camera

Autofocus
-	Yes
Camera Features
-	4 x Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
-	Triple
Flash
-	Yes, Quad LED Flash
Image Resolution
-	4128 x 3096 Pixels
Resolution
-	13 MP f/1.8, Primary Camera 2 MP, Depth Camera
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)

Multimedia

Audio Jack
-	3.5 mm
Loudspeaker
-	Yes

Network & Connectivity

Bluetooth
Yes, v5.0	Yes
GPS
Yes with A-GPS, Glonass	Yes with A-GPS
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
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 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
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 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
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 5 (802.11 a/b/g/n/ac) 5GHz, MIMO	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
-	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
-	Quad core, 1.8 GHz, Cortex A53
Chipset
-	MediaTek Helio A22
Fabrication
-	12 nm
Graphics
Mali-G57	PowerVR GE8300
Processor
Unisoc T612	-
RAM
4 GB	2 GB
RAM Type
LPDDR4X	-

Sensors

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

Storage

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