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Compare 4 products

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Apple iPhone 4 Mobile Phone
Apple iPhone 4
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Apple iPhone 4S Mobile Phone
Apple iPhone 4S
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Nokia Lumia 820 Mobile Phone
Nokia Lumia 820
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Samsung Galaxy S2 Mobile Phone
Samsung Galaxy S2
Available colors
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
18
4.2 out of 5
10 user ratings
5 stars
40 %
4 stars
50 %
3 stars
10 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
9
3.7 out of 5
5 user ratings
5 stars
0 %
4 stars
60 %
3 stars
40 %
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
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 %
37
4.3 out of 5
37 user ratings
5 stars
48 %
4 stars
35 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
36
4.2 out of 5
36 user ratings
5 stars
36 %
4 stars
44 %
3 stars
19 %
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 %

Hardware

Operating systemApple iOS 7Apple iOS 9Windows Phone 8Android 4.1
CPU clock speed1.0 GHz1.0 GHz1.5 GHz1.2 GHz
CPU coresSingle-coreDual-coreDual-coreDual-core
CPU modelApple A4Apple A5 APL2498Qualcomm Snapdragon S4 MSM8960
N/A
GPU modelPowerVR SGX535PowerVR SGX543Qualcomm Adreno 225ARM Mali-400
RAM memory512 MB512 MB1 GB1 GB

Display

Screen size3.5 in3.5 in4.3 in4.3 in
Touchscreenyesyesyes
N/A
Number of colors16.7M16.7M16.7M16.7M
Panel typeLCDLCDOLEDOLED
Resolution960 x 640 px960 x 640 px800 x 480 px800 x 480 px
TechnologyIPS TFTIPS TFTAMOLEDSuper AMOLED
Pixel density326.0 ppi326.0 ppi217.0 ppi217.0 ppi
Dual screen supportnonono
N/A
Scratch resistant displayyesyesno
N/A
HDRnonono
N/A
Multi touchyesyesyesyes
Screen material
N/A
N/A
N/A
Corning Gorilla Glass

Rear camera

Primary sensor resolution5.0 Mpx8.0 Mpx8.0 Mpx8.0 Mpx
Primary lens aperture2.8 f
N/A
N/A
2.6 f
Video recordingyesyesyes
N/A
Highest video resolution1280 x 720 px1920 x 1080 px1920 x 1080 px1920 x 1080 px
Maximum FPS at the highest resolution30.0 fps30.0 fps30.0 fps
N/A
Autofocusyesyesyesyes
Digital zoomyesyesyesyes
Geo-taggingyesyesyesyes
HDR Captureyesyes
N/A
yes
LED Flashyesyesyesyes
Touch focusyesyesyesyes
Primary sensor size
N/A
1/3.2"1/3.2"
N/A
Maximum FPS (regardless of res.)
N/A
30.0 fps30.0 fps
N/A
Max resolution (highest frame rate)
N/A
1920 x 1080 px
N/A
N/A
Face detection
N/A
yes
N/A
yes
Panorama
N/A
yes
N/A
yes
Digital Image Stabilization
N/A
N/A
N/A
yes
Smile detection
N/A
N/A
N/A
yes

Front camera

Primary resolution0.3 Mpx0.3 Mpx0.3 Mpx2.0 Mpx

Storage

Internal storage
  • 16 GB
  • 32 GB
  • 8 GB
  • 16 GB
  • 32 GB
  • 64 GB
  • 8 GB
8 GB
  • 16 GB
  • 32 GB
Memory card readernonoyesyes
Types of memory card supportedNo memory slotNo memory slotmicroSDmicroSD
Maximum card storage
N/A
N/A
64GB32GB

Design

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

Dimensions

Height4.54 in4.54 in4.87 in4.93 in
Width2.31 in2.31 in2.7 in2.6 in
Depth0.37 in0.37 in0.39 in0.33 in
Weight4.83 oz4.94 oz5.64 oz4.09 oz

Sensors

Accelerometeryesyesyesyes
Proximityyesyesyesyes
Digital compassyesyesyesyes
Ambient light sensoryesyesyesyes
Gyroscopeyesyesyesyes

Connectivity

Dual sim supportnononono
Sim card sizeMicro-SIMMicro-SIMMicro-SIMMini-SIM
DLNA certifiednoyesyesyes
Bluetoothyesyesyesyes
Bluetooth version2.1 EDR4.04.03.0 HS
Bluetooth profile
  • A2DP
  • AVRCP
  • A2DP
  • AVRCP
  • A2DP
  • A2DP
  • AVRCP
N/A
NFCnonoyes
N/A
Charging connection
  • Apple 30-pin
  • Lightning
  • Apple 30-pin
  • Lightning
  • USB
  • Wireless
N/A
Headphone connection3.5 mm3.5 mm3.5 mm3.5 mm
Video outputManufacturer specificManufacturer specificNo
N/A
Bluetooth codec
N/A
SBC
  • aptX
  • SBC
N/A
USB version
N/A
N/A
2.0
N/A
Type of USB connector
N/A
N/A
N/A
Micro-USB
USB On-The-Go (OTG)
N/A
N/A
N/A
yes

Cellular

Wireless network (Wi-Fi)yesyesyesyes
Wireless networking standard
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
N/A
Navigation systemA-GPSGLONASSGLONASSGPS
2G GSMyesyesyesyes
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
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
3G UMTSyesyesyes
N/A
UMTS frequences
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
N/A
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
4G LTEnonoyesyes
Mobile hotspotyesyes
N/A
yes
Data transmission
N/A
HSPA+HSPA+HSPA+
CDMA frequences
N/A
  • 800 MHz
  • 1900 MHz
N/A
N/A
LTE frequencies
N/A
N/A
  • 800 MHz
  • 900 MHz
  • 1800 MHz
  • 2100 MHz
  • 2600 MHz
N/A

Battery

Replaceable batterynonoyes
N/A
Battery typeLithium ionLithium ionLithium ionLithium ion
Battery capacity1420.0 mAh1432.0 mAh1650.0 mAh1650.0 mAh
Standby time300.0 h200.0 h330.0 h710.0 h
Talk time7.0 h8.0 h14.0 h18.0 h
Fast chargingnonono
N/A
Wireless charging nonoyes
N/A
Wireless charging standard
N/A
N/A
QI
N/A

Often compared with Apple iPhone 4

Often compared with Apple iPhone 4S

Often compared with Samsung Galaxy S2