Apple iPhone 4 vs Apple iPhone 3GS comparison

Show Only Differences Highlight Differences	Apple iPhone 4	Apple iPhone 3GS
key specs
Display	3.50-inch	-
Processor	one-core	600 MHz one-core
Front Camera	0.3-megapixel	No
Rear Camera	5-megapixel	3.15-megapixel
RAM	512MB	256MB
Storage	8GB	8GB
Battery Capacity	1420mAh	-
OS	iOS 6.1.3	iOS 6.1.3
Resolution	640x960 pixels	320x480 pixels
general
Brand	Apple	Apple
Model	iPhone 4	iPhone 3GS
Release date	June 1, 2010	June 1, 2009
Form factor	Touchscreen	Bar
Dimensions (mm)	115.20 x 59.00 x 9.30	115.50 x 62.10 x 12.30
Weight (g)	137.00	135.00
Battery capacity (mAh)	1420	-
Removable battery	No	No
Colours	Black	Black, White
display
Screen size (inches)	3.50	-
Touchscreen	Yes	Yes
Resolution	640x960 pixels	320x480 pixels
Pixels per inch (PPI)	326	165
hardware
Processor	one-core	600 MHz one-core
RAM	512MB	256MB
Internal storage	8GB	8GB
Expandable storage	No	No
camera
Rear camera	5-megapixel	3.15-megapixel
Rear flash	LED	-
Front camera	0.3-megapixel	No
software
Operating system	iOS 6.1.3	iOS 6.1.3
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes, v 2.10	Yes, v 2.00
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	3.5mm
FM	No	No
Number of SIMs	1	1
Wi-Fi Direct	No	No
Mobile High-Definition Link (MHL)	No	No
sim 1
SIM Type	Micro-SIM	Regular
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	No	No
sensors
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	Yes	No
Barometer	No	Yes
Temperature sensor	No	No

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