Asus Zenfone Max Pro M1 vs Realme C21y 64gb

Key Specs

Battery
Battery	5000 mAh	5000 mAh
Display
Display	5.99 inches (15.21 cm)	6.5 inches (16.51 cm)
Front Camera
Front Camera	8 MP	5 MP
Processor
Processor	Qualcomm Snapdragon 636	Unisoc T610
RAM
RAM	3 GB	4 GB
Rear Camera
Rear Camera	13 MP + 5 MP	13 MP + 2 MP + 2 MP

Battery

Capacity
Capacity	5000 mAh	5000 mAh
Quick Charging
Quick Charging	Yes, Fast, 10W	-
Removable
Removable	No	No
Standby time
Standby Time	Up to 840 Hours(4G)	-
TalkTime
TalkTime	Up to 42 Hours(3G)	-
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	No	No

Design

Build Material
Build Material	Back: Aluminium	-
Colours
Colours	Black, Blue, Gray	Cross Blue, Cross Black
Height
Height	159 mm	164.5 mm
Thickness
Thickness	8.4 mm	9.1 mm
Weight
Weight	180 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	403 ppi	270 ppi
Refresh Rate
Refresh Rate	-	60 Hz
Resolution
Resolution	1080x2160 px (FHD+)	720x1600 px (HD+)
Screen Size
Screen Size	5.99 inches (15.21 cm)	6.5 inches (16.51 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	76.62 %	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

Camera Features
Camera Features	-	Fixed Focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, Soft light flash	-
Resolution
Resolution	8 MP f/2.2, Wide Angle, Primary Camera(26 mm focal length, 1µm pixel size)	5 MP f/2.2, Wide Angle, Primary Camera(5.0" sensor size, 1.12µm pixel size)
Sensor
Sensor	CMOS	CMOS
Video Recording
Video Recording	-	1280x720 @ 30 fps

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General

Brand
Brand	Asus	realme
Custom UI
Custom UI	Stock	Realme UI
Launch Date
Launch Date	May 3, 2018 (Official)	August 30, 2021 (Official)
Operating System
Operating System	Android v8.1 (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	4128 x 3096 Pixels	4128 x 3096 Pixels
Resolution
Resolution	13 MP f/2.2, Primary Camera(25 mm focal length, 1.12µm pixel size)5 MP f/2.4, Depth Camera(1.12µm pixel 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	CMOS image sensor
Settings
Settings	Exposure compensation, ISO control	Exposure compensation, ISO control
Shooting Modes
Shooting Modes	Continuous Shooting High Dynamic Range mode (HDR)	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
Video Recording	3840x2160 @ 30 fps 1920x1080 @ 60 fps 1280x720 @ 30 fps	1920x1080 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes, v5.0	Yes, v5.0
GPS
GPS	Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
NFC	-	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 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 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) 3G Speed: HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ 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 2300(band 40) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 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) 3G Speed: HSDPA 42.2 Mbit/s ↓ 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 VoLTE	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)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Features	Wi-Fi Direct, Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	64 bit	-
CPU
CPU	Octa core (1.8 GHz, Quad core, Kryo 260 + 1.6 GHz, Quad core, Kryo 260)	Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55)
Chipset
Chipset	Qualcomm Snapdragon 636	Unisoc T610
Fabrication
Fabrication	14 nm	12 nm
Graphics
Graphics	Adreno 509	Mali-G52
RAM type
RAM Type	LPDDR4X	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 2 TB	Yes, Up to 256 GB
Internal Memory
Internal Memory	32 GB	64 GB
Storage Type
Storage Type	eMMC 5.1	eMMC 5.1
USB OTG
USB OTG	Yes	Yes
User Available Storage
User Available Storage	Up to 22.9 GB	-