Apple iPhone 18 Pro Max vs Realme C21

Key Specs

Battery
5000 mAh	5000 mAh
Display
6.9 inches (17.53 cm)	6.5 inches (16.51 cm)
Front Camera
32 MP	5 MP
Processor
-	MediaTek Helio G35
RAM
-	3 GB
Rear Camera
200 MP + 48 MP + 48 MP + 12 MP	13 MP + 2 MP + 2 MP

Battery

Capacity
5000 mAh	5000 mAh
Quick Charging
Yes, Fast, 80W	-
Removable
-	No
Type
Li-Polymer	Li-ion
USB Type-C
No	No
User Replaceable
No	-
Wireless Charging
Yes	-

Camera

Autofocus
Yes	-
Camera Features
Digital Zoom Auto Flash Face detection	-
Camera Setup
Single	-
Flash
Yes, Retina Flash	-
Front Camera Physical Aperture
F1.9	-
Image Resolution
16300 x 12300 Pixels	-
Main Camera Physical Aperture
F1.78	-
Resolution
32 MP f/1.9, Primary Camera	-
Settings
Exposure compensation	-
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	-
Video Recording
1920x1080 fps	-

Design

Build Material
-	Back: Plastic
Colours
-	Cross Blue, Cross Black
Height
-	165.2 mm
Thickness
-	8.9 mm
Weight
-	190 grams
Width
-	76.4 mm

Display

Aspect Ratio
20:9	20:9
Bezel-less display
-	Yes with waterdrop notch
Bezelless Display
Yes	-
Brightness
-	400 nits
Display Type
OLED	IPS LCD
Pixel Density
489 ppi	270 ppi
Refresh Rate
165 Hz	60 Hz
Resolution
-	720x1600 px (HD+)
Screen Resolution
1080 x 3200 pixels	-
Screen Size
6.9 inches (17.53 cm)	6.5 inches (16.51 cm)
Screen to Body Ratio (calculated)
-	80.82 %
Screen to Body Ratio (claimed by the brand)
-	89.5 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Not sure which
mobile to buy?

Front Camera

Camera Features
-	Fixed Focus
Camera Setup
-	Single
Resolution
-	5 MP f/2.2, Wide Angle, Primary Camera(5.0" sensor size, 1.12µm pixel size)

General

Brand
Apple	realme
Custom UI
-	Realme UI
Fingerprint Sensor
No	-
Launch Date
September 07, 2026	April 14, 2021 (Official)
Model
iPhone 18 Pro Max	-
Network
5G: Not Supported in India, 4G: Available Supported in India, 3G: Available, 2G: Available	-
Operating System
iOS v16	Android v10 (Q)

Main Camera

Autofocus
-	Yes, Phase Detection autofocus
Camera Features
-	4 x Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
-	Triple
Flash
-	Yes, LED Flash
Image Resolution
-	4128 x 3096 Pixels
Resolution
-	13 MP f/2.2, Wide Angle, Primary Camera(26 mm focal length, 3" sensor size, 1.12µm pixel size)2 MP f/2.4, Macro Camera(1.75µm pixel size)2 MP f/2.4, Mono Camera(1.75µm pixel size)
Sensor
-	CMOS image sensor
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
-	1920x1080 @ 30 fps

Multimedia

Audio Jack
Lightning	3.5 mm
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v5.3	Yes, v5.0
GPS
Yes with A-GPS, Glonass	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) / 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 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) / 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 GPRS: Available EDGE: Available
SIM Size
SIM1: Nano, SIM2: eSIM	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging	Mass storage device, USB charging, microUSB 2.0
VoLTE
Yes	Yes
Wi-Fi
-	Yes, Wi-Fi 4 (802.11 b/g/n), MIMO
Wi-Fi Features
-	Mobile Hotspot
Wifi Features
Mobile Hotspot	-

Performance

Architecture
64 bit	64 bit
CPU
-	Octa core, 2.3 GHz, Cortex A53
Chipset
Apple A16 Bionic	MediaTek Helio G35
Fabrication
-	12 nm
Graphics
Apple GPU (Five-core graphics)	PowerVR GE8320
Processor
Hexa Core (3.464 GHz, Dual core, Everest + 2.02 GHz, Quad core, Sawtooth)	-
Processor Fabrication
4 nm	-
RAM type
-	LPDDR4X
Ram
12 GB	-

Sensors

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

Storage

Expandable Memory
No	Yes, Up to 256 GB
Internal Memory
512 GB	32 GB
Storage Type
-	eMMC 5.1
USB OTG
-	Yes