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Compare 3 products

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Apple iPhone 4S Mobile Phone
Apple iPhone 4S
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Nokia Lumia 520 Mobile Phone
Nokia Lumia 520
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Nokia Lumia 521 Mobile Phone
Nokia Lumia 521
Available colors
Editiorial 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
19
3.4 out of 5
7 user ratings
5 stars
14 %
4 stars
71 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
8
8 editorial reviews
Check out our review of the Nokia Lumia 521; one of the most popular Windows Phone 8 smartphones of the year.Read more
Popular Hardware and Tech site AnandTech has reviewed the Nokia Lumia 521, available exclusively on T-Mobile in the US .Their view reinforces just how good a deal the handset is, and how effective the Windows Phone OS can be on low-end handsets.Read more
The Nokia Lumia 521 for T-Mobile is a good smartphone for a great price, as long as you don't mind Windows Phone's lack of apps.Read more
Read editorial reviews
User rating
37
4.3 out of 5
37 user ratings
5 stars
48 %
4 stars
35 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
38
4.2 out of 5
38 user ratings
5 stars
39 %
4 stars
39 %
3 stars
18 %
2 stars
2 %
1 stars
0 %
39
3.9 out of 5
39 user ratings
5 stars
15 %
4 stars
58 %
3 stars
23 %
2 stars
2 %
1 stars
0 %

Hardware

Operating systemApple iOS 9Windows Phone 8.1Windows Phone 8
CPU clock speed1.0 GHz1.0 GHz1.4 GHz
CPU coresDual-coreDual-coreDual-core
CPU modelApple A5 APL2498Qualcomm Snapdragon S4 MSM8227Qualcomm Snapdragon S4 MSM8227
GPU modelPowerVR SGX543Qualcomm Adreno 305Qualcomm Adreno 305
RAM memory512 MB512 MB512 MB

Display

Screen size3.5 in4.0 in4.0 in
Touchscreenyesyes
N/A
Number of colors16.7M16.7M16.7M
Panel typeLCDLCDLCD
Resolution960 x 640 px800 x 480 px800 x 480 px
TechnologyIPS TFTIPS TFTIPS LCD
Pixel density326.0 ppi233.0 ppi235.0 ppi
Dual screen supportnono
N/A
Scratch resistant displayyesyes
N/A
HDRnono
N/A
Multi touchyesyesyes

Rear camera

Primary sensor size1/3.2"1/4"
N/A
Primary sensor resolution8.0 Mpx5.0 Mpx5.0 Mpx
Video recordingyesyes
N/A
Highest video resolution1920 x 1080 px1280 x 720 px1280 x 720 px
Maximum FPS at the highest resolution30.0 fps30.0 fps
N/A
Maximum FPS (regardless of res.)30.0 fps30.0 fps
N/A
Max resolution (highest frame rate)1920 x 1080 px
N/A
N/A
Autofocusyesyesyes
Digital zoomyes
N/A
N/A
Face detectionyes
N/A
N/A
Geo-taggingyesyesyes
HDR Captureyes
N/A
N/A
LED Flashyesyes
N/A
Panoramayes
N/A
yes
Touch focusyesyesyes
Primary lens aperture
N/A
2.4 f2.4 f
Optical zoom
N/A
4x4x

Storage

Internal storage
  • 16 GB
  • 32 GB
  • 64 GB
  • 8 GB
8 GB
N/A
Memory card readernoyesyes
Types of memory card supportedNo memory slotmicroSDmicroSD
Maximum card storage
N/A
64GB64GB

Design

Colour of product
  • Black
  • Silver
  • White
  • Black
  • Blue
  • White
  • Yellow
White
Material
  • Aluminum
  • Glass
  • Steel
  • Glass
  • Plastic
N/A
Water resistantnono
N/A
Shock resistantnono
N/A

Dimensions

Height4.54 in4.72 in4.88 in
Width2.31 in2.52 in2.52 in
Depth0.37 in0.39 in0.39 in
Weight4.94 oz4.37 oz4.37 oz

Sensors

Accelerometeryesyesyes
Proximityyesyesyes
Digital compassyesyes
N/A
Ambient light sensoryesyesyes
Gyroscopeyesyes
N/A

Connectivity

Dual sim supportnonono
Sim card sizeMicro-SIMMicro-SIMMicro-SIM
DLNA certifiedyesno
N/A
Bluetoothyesyesyes
Bluetooth version4.04.03.0 HS
Bluetooth profile
  • A2DP
  • AVRCP
  • A2DP
  • A2DP
  • AVRCP
N/A
Bluetooth codecSBC
N/A
N/A
NFCnono
N/A
Charging connection
  • Apple 30-pin
  • Lightning
USB
N/A
Headphone connection3.5 mm3.5 mm3.5 mm
Video outputManufacturer specificNo
N/A
USB version
N/A
2.0
N/A
USB On-The-Go (OTG)
N/A
no
N/A
Type of USB connector
N/A
N/A
Micro-USB

Cellular

Wireless network (Wi-Fi)yesyesyes
Wireless networking standard
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11b
  • 802.11g
  • 802.11n
N/A
Data transmissionHSPA+HSPA+HSPA+
Navigation systemGLONASSGLONASSGPS
2G GSMyesyesyes
GSM frequencies
  • 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 UMTSyesyes
N/A
UMTS frequences
  • 850 MHz
  • 900 MHz
  • 1900 MHz
  • 2100 MHz
2100 MHz
  • 850 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
CDMA frequences
  • 800 MHz
  • 1900 MHz
N/A
N/A
4G LTEnonoyes
Mobile hotspotyesyes
N/A

Battery

Replaceable batterynoyes
N/A
Battery typeLithium ionLithium ionLithium ion
Battery capacity1432.0 mAh1430.0 mAh1430.0 mAh
Standby time200.0 h360.0 h400.0 h
Talk time8.0 h14.0 h9.0 h
Fast chargingnono
N/A
Wireless charging nono
N/A

Often compared with Apple iPhone 4S

Often compared with Nokia Lumia 520

Often compared with Nokia Lumia 521