Redmi K90 vs Samsung Galaxy Z Fold 4 comparison

Show Only Differences Highlight Differences	Redmi K90	Samsung Galaxy Z Fold 4
key specs
Display	6.59-inch	-
Processor	Snapdragon 8 Elite	Qualcomm Snapdragon 8+ Gen 1
Front Camera	20-megapixel	10-megapixel + 4-megapixel
Rear Camera	50-megapixel + 50-megapixel + 8-megapixel	50-megapixel + 12-megapixel + 10-megapixel
RAM	16GB	12GB
Storage	1TB	256GB, 512GB, 1TB
Battery Capacity	7,100mAh	4400mAh
OS	Android 16	Android 12L
Resolution	1,156x2,510 pixels	2176x1812 pixels
Display (Primary)	-	7.60-inch
general
Brand	Redmi	Samsung
Model	K90	Galaxy Z Fold 4
Release date	October 23, 2025	August 10, 2022
Launched in India	No	Yes
Form factor	Touchscreen	Foldable
Dimensions (mm)	157.49 x 75.25 x 8.00	130.10 x 155.10 x 6.30
Weight (g)	206.00	263.00
IP rating	IP68	-
Battery capacity (mAh)	7,100	4400
Removable battery	No	-
Fast charging	100W Fast Charging	Proprietary
Colours	White, Black, Aqua Blue, and Light Purple	Black, GrayGreen, Beige, Burgandy
display
Refresh Rate	120 Hz	-
Screen size (inches)	6.59	7.60
Touchscreen	Yes	Yes
Resolution	1,156x2,510 pixels	2176x1812 pixels
hardware
Processor	octa-core	octa-core
Processor make	Snapdragon 8 Elite	Qualcomm Snapdragon 8+ Gen 1
RAM	16GB	12GB
Internal storage	1TB	256GB, 512GB, 1TB
Expandable storage	No	-
camera
Rear camera	50-megapixel (f/1.88) + 50-megapixel (f/2.2) + 8-megapixel (f/2.2)	50-megapixel (f/1.8) + 12-megapixel (f/2.2) + 10-megapixel (f/2.4)
No. of Rear Cameras	3	3
Front camera	20-megapixel	10-megapixel (f/2.2) + 4-megapixel (f/1.8, 2.0-micron)
No. of Front Cameras	1	2
Pop-Up Camera	No	-
Front flash	Yes	-
Rear autofocus	-	Yes
Rear flash	-	Yes
software
Operating system	Android 16	Android 12L
Skin	HyperOS 3	One UI 4.1.1
connectivity
Wi-Fi 7	Yes	-
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes, v 5.20
NFC	Yes	Yes
USB Type-C	Yes	Yes
Wi-Fi	-	Yes
Wi-Fi standards supported	-	802.11 a/b/g/n/ac/ax
Number of SIMs	-	2
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
Fingerprint sensor	-	Yes
Barometer	-	Yes
ratings
Overall NDTV Rating	-	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-
second display
Screen size (inches)	-	6.20
Touchscreen	-	Yes
Resolution	-	904x2316 pixels
Protection type	-	Gorilla Glass
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
5G	-	Yes

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