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Compare 3 products

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Apple iPhone 4 Mobile Phone
Apple iPhone 4
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Samsung Galaxy S2 Mobile Phone
Samsung Galaxy S2
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Samsung Galaxy S2 Skyrocket Mobile Phone
Samsung Galaxy S2 Skyrocket
Editiorial reviews
19
4.3 out of 5
9 user ratings
5 stars
44 %
4 stars
55 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
17
3.9 out of 5
9 user ratings
5 stars
44 %
4 stars
44 %
3 stars
0 %
2 stars
0 %
1 stars
11 %
Read editorial reviews
3
3 editorial reviews
Who knew AT&T's version of the Samsung Galaxy S II had a younger, larger brother on the way? Just a hair over a month after the carrier launched its flagship Android device, it's already set for another go-round.Read more
Samsung Galaxy S II SkyrocketRead more
Read editorial reviews
User rating
41
4.3 out of 5
41 user ratings
5 stars
41 %
4 stars
43 %
3 stars
14 %
2 stars
0 %
1 stars
0 %
40
4.1 out of 5
40 user ratings
5 stars
35 %
4 stars
42 %
3 stars
22 %
2 stars
0 %
1 stars
0 %
40
4.3 out of 5
40 user ratings
5 stars
45 %
4 stars
35 %
3 stars
20 %
2 stars
0 %
1 stars
0 %

Hardware

Operating systemApple iOS 7Android 4.1Android 4.1
CPU clock speed1.0 GHz1.2 GHz1.5 GHz
CPU coresSingle-coreDual-coreDual-core
CPU modelApple A4
N/A
Qualcomm Snapdragon S3 MSM8260
GPU modelPowerVR SGX535ARM Mali-400Qualcomm Adreno 220
RAM memory512 MB1 GB1 GB

Display

Screen size3.5 in4.3 in4.5 in
Touchscreenyes
N/A
N/A
Number of colors16.7M16.7M16.7M
Panel typeLCDOLEDOLED
Resolution960 x 640 px800 x 480 px800 x 480 px
TechnologyIPS TFTSuper AMOLEDSuper AMOLED
Pixel density326.0 ppi217.0 ppi207.0 ppi
Dual screen supportno
N/A
yes
Scratch resistant displayyes
N/A
N/A
HDRno
N/A
N/A
Multi touchyesyesyes
Screen material
N/A
Corning Gorilla Glass
N/A

Rear camera

Primary sensor resolution5.0 Mpx8.0 Mpx8.0 Mpx
Primary lens aperture2.8 f2.6 f
N/A
Video recordingyes
N/A
N/A
Highest video resolution1280 x 720 px1920 x 1080 px1920 x 1080 px
Maximum FPS at the highest resolution30.0 fps
N/A
N/A
Autofocusyesyesyes
Digital zoomyesyesyes
Geo-taggingyesyesyes
HDR Captureyesyesyes
LED Flashyesyesyes
Touch focusyesyesyes
Digital Image Stabilization
N/A
yesyes
Face detection
N/A
yes
N/A
Panorama
N/A
yesyes
Smile detection
N/A
yesyes

Front camera

Primary resolution0.3 Mpx2.0 Mpx2.0 Mpx

Storage

Internal storage
  • 16 GB
  • 32 GB
  • 8 GB
  • 16 GB
  • 32 GB
N/A
Memory card readernoyesyes
Types of memory card supportedNo memory slotmicroSDmicroSD
Maximum card storage
N/A
32GB32GB

Design

Colour of product
  • Black
  • Blue
  • Brown
  • Grey
  • Pink
  • Red
  • Silver
  • White
Black
N/A
Material
  • Aluminum
  • Glass
  • Steel
PlasticPlastic
Water resistantno
N/A
N/A
Shock resistantno
N/A
N/A

Dimensions

Height4.54 in4.93 in5.15 in
Width2.31 in2.6 in2.75 in
Depth0.37 in0.33 in0.37 in
Weight4.83 oz4.09 oz4.66 oz

Sensors

Accelerometeryesyesyes
Proximityyesyesyes
Digital compassyesyesyes
Ambient light sensoryesyesyes
Gyroscopeyesyesyes

Connectivity

Dual sim supportnonono
Sim card sizeMicro-SIMMini-SIMMini-SIM
DLNA certifiednoyesyes
Bluetoothyesyesyes
Bluetooth version2.1 EDR3.0 HS3.0 HS
Bluetooth profile
  • A2DP
  • AVRCP
N/A
N/A
NFCno
N/A
yes
Charging connection
  • Apple 30-pin
  • Lightning
N/A
HDMI
Headphone connection3.5 mm3.5 mm3.5 mm
Video outputManufacturer specific
N/A
N/A
Type of USB connector
N/A
Micro-USBMicro-USB
USB On-The-Go (OTG)
N/A
yesyes

Cellular

Wireless network (Wi-Fi)yesyesyes
Wireless networking standard
  • 802.11b
  • 802.11g
  • 802.11n
N/A
N/A
Navigation systemA-GPSGPSGPS
2G GSMyesyesyes
GSM frequencies
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
3G UMTSyes
N/A
N/A
UMTS frequences
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
N/A
4G LTEnoyesyes
Mobile hotspotyesyesyes
Data transmission
N/A
HSPA+HSDPA
LTE frequencies
N/A
N/A
  • 700 MHz
  • 1700 MHz
  • 2100 MHz

Battery

Replaceable batteryno
N/A
yes
Battery typeLithium ionLithium ionLithium ion
Battery capacity1420.0 mAh1650.0 mAh1850.0 mAh
Standby time300.0 h710.0 h256.0 h
Talk time7.0 h18.0 h7.0 h
Fast chargingno
N/A
N/A
Wireless charging no
N/A
N/A

Often compared with Apple iPhone 4

Often compared with Samsung Galaxy S2

Often compared with Samsung Galaxy S2 Skyrocket