Category Breakdown
Samsung Galaxy S II Skyrocket HD I757
Samsung Galaxy S III T999
Performance
51.351.3
Camera
42.142.1
Display
79.579.5
Battery
43.543.5
Build
70.870.8
Overall
55.455.4
Summary
- The Samsung Galaxy S II Skyrocket HD I757 features a 4.65-inch Super AMOLED display with a resolution of 720 x 1280 pixels, while the Galaxy S III T999 has a slightly larger 4.8-inch Super AMOLED display with the same resolution.
- Both devices are powered by dual-core processors, but the S III uses a more advanced Qualcomm Snapdragon S4 Plus chipset, offering better performance.
- In terms of camera, both have an 8 MP rear camera capable of 1080p video recording, though the S III has a slightly improved aperture.
- The S III also has a larger 2100 mAh battery compared to the unspecified capacity of the Skyrocket HD, which may provide better longevity.
- Software-wise, the S II runs Android 2.3.5, while the S III comes with Android 4.0, upgradable to 4.1.1, offering a more modern user experience.
Side-by-side Specification Comparison
Samsung Galaxy S II Skyrocket HD I757
Samsung Galaxy S III T999
General
Release Date
2012
2012
Announced
2012
2012
Description
For AT&T.
For T-MobileAlso known as Samsung SGH-T999, Samsung Galaxy S III T-Mobile
Display
Size
4.65"
4.8"
Type
Super AMOLED
Super AMOLED
Resolution
720 x 1280 pixels, 16:9 ratio (~316 ppi density)
720 x 1280 pixels, 16:9 ratio (~306 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass
Corning Gorilla Glass 2
Performance
Chipset
N/A
Qualcomm MSM8960 Snapdragon S4 Plus
CPU
Dual-core 1.5 GHz
Dual-core 1.5 GHz Krait
GPU
N/A
Adreno 225
Memory
16GB 1GB RAM
16GB 2GB RAM, 32GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
8 MP
8 MP
Main Camera Details
8 MP, AF
8 MP, f/2.6, 1/3.0", AF
Front Camera
2 MP
1.9 MP
Front Camera Details
2 MP
1.9 MP, f/2.6
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
720p@30fps
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
N/A
2100 mAh
Battery Details
Removable Li-Ion battery
Removable Li-Ion 2100 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
N/A
136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in)
Weight
N/A
133 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black
Pebble blue, Marble white
Foldable
✗
✗
Connectivity
SIM
Micro-SIM
Micro-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 21.1/5.76 Mbps, LTE
HSPA, LTE (T999L)
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth
3.0, A2DP, aptX
4.0, A2DP, EDR, aptX
NFC
✓
✓
USB
microUSB 2.0
microUSB 2.0 (MHL TV-out), OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, A-GPS
GPS, A-GPS, GLONASS
Software
Operating System
Android 2.3.5 (Gingerbread)
Android 4.0 (Ice Cream Sandwich), upgradable to 4.1.1 (Jelly Bean)
OS Version
Android 2.3.5 (Gingerbread)
Android 4.0 (Ice Cream Sandwich), upgradable to 4.1.1 (Jelly Bean)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, gyro, proximity, compass, barometer
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

