Samsung Galaxy S II I777
#5621
Samsung Galaxy S II Skyrocket i727
#5249Category Breakdown
Samsung Galaxy S II I777
Samsung Galaxy S II Skyrocket i727
Performance
44.348.6
Camera
19.119.1
Display
80.580.5
Battery
16.417.8
Build
17.217.5
Connectivity
34.847.9
Audio
8.98.9
Overall
27.128.6
Summary
- The Samsung Galaxy S II I777 features a 4.3-inch Super AMOLED Plus display with a resolution of 480 x 800 pixels, while the Galaxy S II Skyrocket i727 has a larger 4.5-inch display with the same resolution but slightly lower pixel density.
- In terms of performance, the I777 is powered by the Exynos 4210 Dual chipset with a 1.2 GHz CPU, whereas the Skyrocket utilizes a Qualcomm Snapdragon S3 with a faster 1.5 GHz CPU.
- Both phones have an 8 MP rear camera capable of 1080p video recording and a 2 MP front camera.
- The Skyrocket has a larger 1850 mAh battery compared to the I777's 1650 mAh, providing potentially longer usage.
- Both devices run on Android Gingerbread, but the Skyrocket can be upgraded to Jelly Bean, offering a more modern software experience.
- Build quality is similar, with the I777 being slightly lighter and more compact than the Skyrocket.
Side-by-side Specification Comparison
Samsung Galaxy S II I777
Samsung Galaxy S II Skyrocket i727
General
Release Date
2011
2011
Announced
2011
2011
Description
For AT&TAlso known as Samsung SGH-I777, Samsung Attain
For AT&T
Display
Size
4.3"
4.5"
Type
Super AMOLED Plus
Super AMOLED Plus
Resolution
480 x 800 pixels, 5:3 ratio (~217 ppi density)
480 x 800 pixels, 5:3 ratio (~207 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass
N/A
Performance
Chipset
Exynos 4210 Dual
Qualcomm MSM8260 Snapdragon S3
CPU
Dual-core 1.2 GHz Cortex-A9
Dual-core 1.5 GHz Scorpion
GPU
Mali-400MP4
Adreno 220
Memory
16GB 1GB RAM, 32GB 1GB RAM
16GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot), 8 GB included
microSDHC (dedicated slot)
Camera
Main Camera
8 MP, AF
8 MP, AF
Main Camera Features
LED flash
LED flash
Front Camera
2 MP
2 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1650 mAh
1850 mAh
Battery Details
Removable Li-Ion 1650 mAh battery
Removable Li-Ion 1850 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
126 x 66 x 8.9 mm (4.96 x 2.60 x 0.35 in)
129.8 x 68.8 x 9.5 mm (5.11 x 2.71 x 0.37 in)
Weight
121.9 g
130.5 g
Materials
N/A
N/A
Colors
Black
Black, White
Foldable
✗
✗
SAR
0.36 W/kg (head) 0.90 W/kg (body)
0.30 W/kg (head) 0.85 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / HSPA
GSM / HSPA / LTE
Network Speed
HSPA 21.1/5.76 Mbps
HSPA 21.1/5.76 Mbps, LTE
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
3.0, A2DP, aptX
NFC
✗
✓
USB
microUSB 2.0 (MHL TV-out), OTG
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, A-GPS
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 2.3.4 (Gingerbread)
Android 2.3.5 (Gingerbread), upgradable to 4.1.2 (Jelly Bean)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, gyro, proximity, compass