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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.

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Daniel Cooper contributed to this report