Galaxy S4 vs Galaxy S3

	Galaxy S 4	Galaxy S III
OS	Android 4.2.2 (Jelly Bean)	Android 4.1 (Jelly Bean)
Processor	1.6GHz Octa-core Exynos processor / 1.9GHz Quad-core Qualcomm processor (varies by market)	Samsung Exynos 4 / Qualcomm Snapdragon S4 MSM8960 (varies by market)
Memory	2GB	1GB / 2GB (Variants)
Display	5 inch Full HD Super AMOLED	4.8-inch Super AMOLED
Resolution	1,920 x 1,080	1,280 x 720
Glass	Gorilla Glass 3	Gorilla Glass 2
Pixel Density	441 ppi	306 ppi
Storage	16 / 32 / 64 GB User memory + microSD slot (up to 64GB)	16GB / 32GB
Primary Camera	13-megapixel BSI AF	8-megapixel BSI AF
Secondary Camera	2-megapixel BSI	1.9-megapixel BSI AF
Cellular	GSM/EDGE/UMTS/DC-HSPA+/LTE Cat 3 (bands vary by market)	GSM/EDGE/UMTS/HSPA+/LTE (bands vary by market)
WiFi	WiFi 802.11 a/ac/b/g/n, HT80	802.11 a/b/g/n, HT40
Bluetooth	4.0 LE	4.0 LE
Navigation	GPS / GLONASS	GPS / GLONASS
Connectivity	NFC / MHL 2.0 / IR LED	NFC / MHL
SIM	Micro-SIM	Micro-SIM
Battery	2,600mAh	2,100mAh
Weight	130g	133g
Dimensions	136.6 x 69.8 x 7.9mm	136.6 x 70.6 x 8.6mm
Colors	Black Mist / White Frost	Pebble Blue / Marble White
Details accurate at launch. Variants relates to differences in regional handsets.

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