Samsung Galaxy S II I777
#5621
Samsung I929 Galaxy S II Duos
#5314Category Breakdown
Samsung Galaxy S II I777
Samsung I929 Galaxy S II Duos
Performance
44.346.2
Camera
19.119.1
Display
80.580.5
Battery
16.417.4
Build
17.216.0
Connectivity
34.839.5
Audio
8.98.9
Overall
27.128.4
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 Duos has a slightly larger 4.52-inch display with the same resolution but lower pixel density.
- Both devices are powered by dual-core processors, with the I777 using an Exynos 4210 and the Duos employing a Qualcomm Snapdragon S3, but both offer similar RAM and storage configurations.
- Camera specifications are identical, featuring an 8 MP rear camera capable of 1080p video recording and a 2 MP front camera.
- The I777 has a 1650 mAh battery, whereas the Duos has a slightly larger 1800 mAh battery, which may provide longer usage.
- Both run on Android Gingerbread, with the Duos having a marginally newer version, but neither offers advanced software features found in later versions.
Side-by-side Specification Comparison
Samsung Galaxy S II I777
Samsung I929 Galaxy S II Duos
General
Release Date
2011
2012
Announced
2011
2011
Description
For AT&TAlso known as Samsung SGH-I777, Samsung Attain
For China Telecom
Display
Size
4.3"
4.52"
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 (~206 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass
Corning Gorilla Glass
Performance
Chipset
Exynos 4210 Dual
Qualcomm MSM8660 Snapdragon S3
CPU
Dual-core 1.2 GHz Cortex-A9
Dual-core 1.2 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, f/2.6, 1/3.2", 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
1800 mAh
Battery Details
Removable Li-Ion 1650 mAh battery
Removable Li-Ion 1800 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 68.9 x 9.7 mm (5.11 x 2.71 x 0.38 in)
Weight
121.9 g
138 g
Materials
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
SAR
0.36 W/kg (head) 0.90 W/kg (body)
0.79 W/kg (head) 0.73 W/kg (body)
Connectivity
SIM
Mini-SIM
Dual SIM (Mini-SIM, dual stand-by)
Network
GSM / HSPA
GSM / CDMA / EVDO
Network Speed
HSPA 21.1/5.76 Mbps
EV-DO Rev.A 3.1 Mbps
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, hotspot
Bluetooth
3.0, A2DP, aptX
3.0, A2DP, aptX
NFC
✗
✗
USB
microUSB 2.0 (MHL TV-out), OTG
microUSB 2.0 (MHL TV-out), OTG
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)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, gyro, proximity, compass