Samsung Galaxy S 4 vs Galaxy S III what's changed

Okay, okay, we all get it: the Galaxy S 4 looks a lot like last year's model. But there are of course some differences, most notably on the inside, where the phone steps up to either an Exynos 5 or Snapdragon chip, depending on the region. As is our way, we've combed the spec sheets for both models to see exactly what's changed this time around. So, phone snobs, have at it!

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Galaxy S 4

Galaxy S III

OS Android 4.2.2 (Jelly Bean) Android 4.1 (Jelly Bean)
Processor 1.6GHz Exynos 5 Octa / 1.9GHz Snapdragon 600 (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
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.

Gallery | 4 Photos

Samsung Galaxy S 4 press shots

Daniel Cooper contributed to this report