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Redmi A4 5G vs Microsoft Lumia 640 XL LTE Dual SIM

Redmi A4 5G vs Microsoft Lumia 640 XL LTE Dual SIM comparison

Show Only Differences Highlight Differences	Redmi A4 5G	Microsoft Lumia 640 XL LTE Dual SIM
ratings
Overall NDTV Rating	Read Review	-
Design Rating		-
Display Rating		-
Software Rating		-
Performance Rating		-
Battery Life Rating		-
Camera Rating		-
Value for Money Rating		-
key specs
Display	6.88-inch	5.70-inch
Processor	Qualcomm Snapdragon 4s Gen 2	Qualcomm Snapdragon 400
Front Camera	5-megapixel	5-megapixel
Rear Camera	50-megapixel + Unspecified	13-megapixel
RAM	4GB, 6GB	1GB
Storage	64GB, 128GB	8GB
Battery Capacity	5160mAh	3120mAh
OS	Android 14	Windows Phone 8.1
Resolution	720x1640 pixels	720x1280 pixels
general
Brand	Redmi	Microsoft
Model	A4 5G	Lumia 640 XL LTE Dual SIM
Release date	November 20, 2024	March 1, 2015
Launched in India	Yes	-
Dimensions (mm)	171.88 x 77.80 x 8.22	157.90 x 81.50 x 9.00
Weight (g)	212.35	171.00
IP rating	IP52	-
Battery capacity (mAh)	5160	3120
Removable battery	No	Yes
Wireless charging	No	-
Colours	Sparkling Purple, Starry Bllack	-
Form factor	-	Touchscreen
display
Refresh Rate	120 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.88	5.70
Touchscreen	Yes	Yes
Resolution	720x1640 pixels	720x1280 pixels
Pixels per inch (PPI)	-	259
hardware
Processor	octa-core	1.2GHz quad-core
Processor make	Qualcomm Snapdragon 4s Gen 2	Qualcomm Snapdragon 400
RAM	4GB, 6GB	1GB
Internal storage	64GB, 128GB	8GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	1-24	128
Dedicated microSD slot	Yes	-
camera
Rear camera	50-megapixel (f/1.8) + Unspecified	13-megapixel
No. of Rear Cameras	2	-
Front camera	5-megapixel (f/2.2)	5-megapixel
No. of Front Cameras	1	-
Rear flash	-	LED
software
Operating system	Android 14	Windows Phone 8.1
Skin	HyperOS	-
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n/ac	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes, v 5.00	Yes, v 4.00
USB Type-C	Yes	-
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
NFC	-	Yes
Infrared	-	No
USB OTG	-	No
Headphones	-	3.5mm
FM	-	Yes
Wi-Fi Direct	-	Yes
Mobile High-Definition Link (MHL)	-	No
sim 1
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	-
sim 2
SIM Type	Nano-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	Yes
5G	Yes	-
sensors
Compass/ Magnetometer	-	Yes
Proximity sensor	-	Yes
Accelerometer	-	Yes
Ambient light sensor	-	Yes
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No

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