Redmi K90 vs Apple iPhone 4 comparison

Show Only Differences Highlight Differences	Redmi K90	Apple iPhone 4
key specs
Display	6.59-inch	3.50-inch
Processor	Snapdragon 8 Elite	one-core
Front Camera	20-megapixel	0.3-megapixel
Rear Camera	50-megapixel + 50-megapixel + 8-megapixel	5-megapixel
RAM	16GB	512MB
Storage	1TB	8GB
Battery Capacity	7,100mAh	1420mAh
OS	Android 16	iOS 6.1.3
Resolution	1,156x2,510 pixels	640x960 pixels
general
Brand	Redmi	Apple
Model	K90	iPhone 4
Release date	October 23, 2025	June 1, 2010
Launched in India	No	-
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	157.49 x 75.25 x 8.00	115.20 x 59.00 x 9.30
Weight (g)	206.00	137.00
IP rating	IP68	-
Battery capacity (mAh)	7,100	1420
Removable battery	No	No
Fast charging	100W Fast Charging	-
Colours	White, Black, Aqua Blue, and Light Purple	Black
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.59	3.50
Touchscreen	Yes	Yes
Resolution	1,156x2,510 pixels	640x960 pixels
Pixels per inch (PPI)	-	326
hardware
Processor	octa-core	one-core
Processor make	Snapdragon 8 Elite	-
RAM	16GB	512MB
Internal storage	1TB	8GB
Expandable storage	No	No
camera
Rear camera	50-megapixel (f/1.88) + 50-megapixel (f/2.2) + 8-megapixel (f/2.2)	5-megapixel
No. of Rear Cameras	3	-
Front camera	20-megapixel	0.3-megapixel
No. of Front Cameras	1	-
Pop-Up Camera	No	-
Front flash	Yes	-
Rear flash	-	LED
software
Operating system	Android 16	iOS 6.1.3
Skin	HyperOS 3	-
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 2.10
NFC	Yes	No
USB Type-C	Yes	-
Wi-Fi	-	Yes
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
FM	-	No
Number of SIMs	-	1
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sensors
In-Display Fingerprint Sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	Yes
Barometer	-	No
Temperature sensor	-	No
sim 1
SIM Type	-	Micro-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No

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