Alcatel 3v vs Realme C21y

Key Specs

Battery
Battery	3000 mAh	5000 mAh
Display
Display	6.0 inches (15.24 cm)	6.5 inches (16.51 cm)
Front Camera
Front Camera	8 MP	5 MP
Processor
Processor	MediaTek MT8735A	Unisoc T610
RAM
RAM	3 GB	3 GB
Rear Camera
Rear Camera	16 MP + 5 MP	13 MP + 2 MP + 2 MP

Battery

Capacity
Capacity	3000 mAh	5000 mAh
Removable
Removable	No	No
TalkTime
TalkTime	Up to 6 Hours(4G) / Up to 9 Hours(3G) / Up to 14.3 Hours(2G)	-
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	No	No

Design

Colours
Colours	Spectrum Black, Spectrum Gold	Cross Blue, Cross Black
Height
Height	162 mm	164.5 mm
Thickness
Thickness	8 mm	9.1 mm
Weight
Weight	155 grams	200 grams Below
Width
Width	76 mm	76 mm

Display

Aspect Ratio
Aspect Ratio	18:9	20:9
Bezel-less display
Bezel-less display	Yes	Yes with waterdrop notch
Brightness
Brightness	-	420 nits
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	402 ppi	270 ppi
Refresh Rate
Refresh Rate	-	60 Hz
Resolution
Resolution	1080x2160 px (FHD+)	720x1600 px (HD+)
Screen Size
Screen Size	6.0 inches (15.24 cm)	6.5 inches (16.51 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	75.46 %	81.59 %
Screen to Body Ratio (claimed by the brand)
Screen to Body Ratio (claimed by the brand)	-	88.7 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	No	-
Camera Features
Camera Features	Fixed Focus	Fixed Focus
Camera Setup
Camera Setup	Single	Single
Resolution
Resolution	8 MP, 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	Alcatel	realme
Custom UI
Custom UI	-	Realme UI
Launch Date
Launch Date	May 31, 2018 (Official)	August 30, 2021 (Official)
Operating System
Operating System	Android v8.0 (Oreo)	Android v11

Main Camera

Autofocus
Autofocus	Yes, Phase Detection autofocus	Yes, Phase Detection autofocus
Camera Features
Camera Features	Digital Zoom Auto Flash Face detection Touch to focus	4 x Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
Camera Setup	Dual	Triple
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	4616 x 3464 Pixels	4128 x 3096 Pixels
Resolution
Resolution	16 MP f/2.2, Primary Camera(2.8" sensor size, 1.25µm pixel size)5 MP(5.0" sensor size)	13 MP f/2.2, Wide Angle (80° field-of-view), Primary Camera(25.5 mm focal length, 3" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera(21.8 mm focal length, 5.0" sensor size, 1.75µm pixel size)2 MP f/2.4(21.8 mm focal length, 5.0" sensor size, 1.75µm pixel size)
Sensor
Sensor	-	CMOS image sensor
Settings
Settings	Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR) Burst mode	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	1920x1080 @ 30 fps	1920x1080 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	-
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.2	Yes, v5.0
GPS
GPS	Yes with A-GPS	Yes with A-GPS, Glonass
NFC
NFC	Yes	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: 0.855 W/kg, Body: 0.674 W/kg
SIM 1
SIM 1	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) 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 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) 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	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: 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, microUSB 2.0
VoLTE
VoLTE	Yes	Yes
Wi-Fi
Wi-Fi	Yes, Wi-Fi 4 (802.11 b/g/n) 5GHz	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Calling
Wi-Fi Calling	Yes	-
Wi-Fi Features
Wi-Fi Features	Wi-Fi Direct, Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	-
CPU
CPU	Quad core, 1.45 GHz, Cortex A53	Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Chipset
Chipset	MediaTek MT8735A	Unisoc T610
Fabrication
Fabrication	-	12 nm
Graphics
Graphics	Mali-T720 MP2	Mali-G52
RAM type
RAM Type	-	LPDDR4X

Sensors

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

Storage

Expandable Memory
Expandable Memory	Yes, Up to 128 GB	Yes, Up to 256 GB
Internal Memory
Internal Memory	32 GB	32 GB
Storage Type
Storage Type	-	eMMC 5.1
USB OTG
USB OTG	Yes	Yes