Difference between Samsung Galaxy S Duos and Nokia Lumia 520

Key difference: Samsung Galaxy S Duos is a dual-SIM phone that was launched in September 2012. The phone comes with a 4-inch TFT capacitive touchscreen, with approximately 233 ppi density. The device comes with Samsung’s TouchWiz UI on Android 4.0.4 ICS. The Nokia Lumia 520 is a 4-inch IPS capacitive touchscreen smartphone that offers 480x800 pixels display, which offers approximately 233 ppi. The phone comes with 8 GB internal memory that can be expanded up to 64 GB. The phone offers 1 GHz on its dual-core snapdragon S4 and only 512 MB RAM, which is slightly disappointing.

Initially smartphones would come in two categories, the no-nonsense simple phone and the extravagant phone with loads of features and a high price tag. However, now there are many people who expect different things from their phone, including features but a lesser price tag, durability, more battery power, etc. This has enabled smartphone manufacturers to offer an array of different phones for the different types of customers. Samsung announced the Galaxy S Duos as an option aimed for people that require double SIM capability, eliminating the need for carrying two separate phones. The phone was launched in September 2012.

At first glance, the Samsung Galaxy S Duos bears heavy resemblance to the company’s flagship phone, the Samsung Galaxy S3. However, looking past the basic form of the phone and picking it up; the user can realize the reason for such a small price tag. The phone is a cheaper version of its big brother, with a lesser quality plastic and some downgraded features. However, let’s not label it as of yet, as it does come with some good specs. The 4-inch TFT capacitive touchscreen, with approximately 233 ppi density, is pretty decent with good contrast and colors but it is too reflective under sunlight, making it a bit difficult to use outdoors without squinting or trying to cover the screen.

The phone itself is easy to hold and handle, making it sleek and small enough to slip into jeans pockets or a small purse when on the go. The 120 grams of weight also ensures that the phone does put that much pressure on the hands when holding the device for longer periods of time. The top of the device houses only the 3.55 mm jack, while the bottom only has the USB/charging port. The right side of the device holds the power button on the top right hand and the microSD card slot. The left side of the device only holds the volume rocker, a bit hard to reach, if a person is used to having it on the right. On the front, the device has the home button that is surrounded by capacitive more options and a back button.

The device comes with Samsung’s TouchWiz UI on Android 4.0.4 ICS. Again, the UI is a toned down version of the one found on the S3. The device lacks the ripples effect and the water-drop sound and has four customizable shortcut buttons on the bottom of the lockscreen that can directly take you to apps such as missed phone calls when unlocking the device. The device allows users to add/remove apps from the homescreen as well as add/remove panels similar to other versions of Android.

The device is powered by a 1 GHz Cortex-A5, with about 786 MB of RAM. The RAM is a slight upgrade to the 512 MB available on other phones, but it still isn’t that great when trying to run dual-SIM, resulting in some lagging during operation. The dual-SIM capability and standby allows both SIMs to be operational at the same time. The device comes with a 5 MP rear camera for taking photos and recording videos. The rear camera is pretty decent in terms of taking photos. The images have pleasing colors and a good dynamic range, but the photos are a bit grainy. The phone also comes with features such as smile detection, geo-tagging, Share shot, effects and panorama mode. The S Duos also houses a VGA (0.3 MP) front camera that is as okay, nothing much to talk about. The phone can also capture videos in VGA resolution at 30fps.

The S Duos comes with a decent removable LI-Ion 1500 mAh battery, that according to the company provides a talk time of 770 minutes in 2G and 520 minutes in 3G, along with a standby time of 570 hours in 2G and 470 hours in 3G. The phone does not come with the same amount of features as available in Galaxy S3, but with the price tag of this device, it is still something. The main reason for purchasing the phone would still be the dual-SIM capability, while in other countries where dual-SIM options are more common, the phone may not fare as well.

Nokia is a Finnish cell phone company, well known for its superb battery power and durability of its phones, and is the only phone that has not yet integrated its smartphones with Android. Nokia has been single-handedly leading Microsoft Windows OS 8 in the smartphone market. Most of the smartphones have become a pricy accessory to own, and if people opt for a cheaper phone, they must sacrifice on some features. To make a mark in the low- to mid-range smartphone market, Nokia has announced the Lumia 520, which should be available in April 2013 in India (release dates for the rest of the world is yet unannounced) and is currently up for pre-orders on many websites. It has even reached to the second-spot following Samsung Galaxy Grand on the Indian website, Flipkart. The phone is a variant of its big brothers 820 and 920, minus some ‘flash’ features. The Lumia 520 is a 4-inch IPS capacitive touchscreen smartphone that offers 480x800 pixels display, which offers approximately 233 ppi. This is pretty good display screen for a mid-range smartphone.

The Lumia 520 is a bar phone with the straight sharp edges and is available with the standard Windows Tile layout. The phone comes with 8 GB internal memory that can be expanded up to 64 GB. The phone offers 1 GHz on its dual-core snapdragon S4 and only 512 MB RAM, which is slightly disappointing. Another let down is the lack of a secondary camera, which makes it difficult to video conferencing. The phone does offer a 5MP autofocus primary camera, with 4X digital zoom and no flash. However, the company claims to use the same digital lens that is found on the flagship. The camera offers features such as Landscape orientation, Auto and manual exposure, Auto and manual white balance, Cinemagraph lens and Smart Shoot lens. The smart shoot lens allows the user to change individual objects in the photo and replace them with objects from the other photos. For example: incase the user is taking photos of two people; however, he does not like the expression of one person in the photo, they can swap the face for another face from another photo. The phone is customizable with changeable shells. The phone has a monoblock casing with the sleep/wake button, camera button and volume buttons on the right-hand side of the phone. Nokia also offers the Windows Office, plus Nokia Music and Nokia Maps. The phone also offers many different features including 7GB free SkyDrive storage.

The information for the detailed table about the two devices has been taken from Samsung website, Nokia website, techradar.com and GSMArena.com


Samsung Galaxy S Duos

Nokia Lumia 520

Launch Date

September 2012

April 2013





121.5 x 63.1 x 10.5 mm

119.9 x 64 x 9.9 mm


4.0-inch TFT capacitive touchscreen

4'' IPS LCD capacitive touchscreen


480 x 800 pixels (~233 ppi pixel density) 16M colors

480 x 800 pixels (~233 ppi pixel density)



Scratch-resistant glass


120 grams

124 grams

2G Network

GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2

GSM 850 / 900 / 1800 / 1900 - all versions

3G Network

HSDPA 900 / 2100 - SIM 1 & SIM 2

HSDPA 900 / 2100 - RM-914

HSDPA 850 / 1900 / 2100 - RM-915

HSDPA 850 / 1700 / 1900 / 2100 - RM-917

4G Network




TouchWiz 4.0 UI

Windows Phone 8

CPU speed

1 GHz Cortex-A5

1 GHz Dual-core Snapdragon S4


Adreno 200

Adreno 305


Android OS v4.0 (Ice Cream Sandwich)

Microsoft Windows Phone 8


Qualcomm MSM7227A Snapdragon

Qualcomm MSM8227


768 MB

512 MB

SIM Size

miniSIM (Dual-SIM handset)


Internal Memory

4 GB (1.8 GB available to the user)

8 GB

Expandable Memory

Up to 32 GB

Up to 64 GB


Accelerometer, Geo-magnetic, Proximity Sensor

Brightness control, Orientation sensor, Ambient light sensor, Accelerometer, proximity


GSM; EDGE/GPRS (850/900/1,800/1,900MHz); HSDPA 7.2; Wi-Fi 802.11b/g/n 2.4GHz; Wi-Fi Direct; Bluetooth

GSM, WCDMA, Micro-USB, Bluetooth, Wi-Fi


GPRS, EDGE, WLAN, Bluetooth, USB.

GPRS, EDGE, WLAN, Bluetooth, USB.


HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps

HSDPA, 21.1 Mbps; HSUPA, 5.76 Mbps


Wi-Fi 802.11 b/g/n, Wi-Fi hotspot

Wi-Fi 802.11 a/b/g/n, dual band


Bluetooth v3.0 with A2DP

Bluetooth v3.0 with A2DP


microUSB v2.0

microUSB v2.0

Primary Camera

5 MP CMOS rear camera

5MP, autofocus camera

Secondary Camera

VGA CMOS front camera





Camera Features

  • Autofocus
  • LED Flash
  • Geo-tagging
  • Smile detection
  • Panorama mode
  • Share shot, scenes and effects
  • 1/4'' sensor size
  • Touch focus
  • Landscape orientation
  • Auto and manual exposure
  • Auto and manual white balance
  • Active toolbar
  • Full screen viewfinder
  • Geotagging
  • Automatic photo upload to web services
  • Full resolution photo and video upload
  • Cinemagraph lens
  • Bing vision
  • Smart Shoot lens
  • Panorama lens
  • Built-in digital camera lens

Sound Enhancement



Audio supported formats



Video supported formats

MPEG4, H.263, H.264

MP4, ASF, WMV, AVI, 3GP, 3G2, M4V, MOV

Battery Capacity

Removable Li-Ion 1500 mAh battery

Li-Ion 1430 mAh battery

Talk time

2G: 770 minutes

3G: 520 minutes

2G: 14.8 hours

3G: 9.6 hours


2G: 570 hours

3G: 470 hours

3G: 360 hours

Available Colors

White, Black, La Fleur

Yellow, red, cyan, white/black


SMS (threaded view), MMS, Email, Push Email

SMS (threaded view), MMS, Email, Push Email, IM


HTML, Adobe Flash Lite



Stereo FM radio with RDS



GPS with A-GPS support

Yes, with A-GPS support and GLONASS


Java via Java MIDP emulator


Additional Features

  • Dual SIM
  • Dual SIM stand-by
  • SNS integration
  • Organizer
  • Document viewer
  • Voice memo/dial
  • Predictive text input
  • ChatON
  • SNS integration
  • Active noise cancellation with dedicated mic
  • 7GB free SkyDrive storage
  • Document viewer
  • Video/photo editor
  • Voice memo/dial/commands
  • Predictive text input
  • Supersensitive touch (Glove touch)
  • OneNote, Wallet, Family Room, Kid's Corner
  • Business apps
  • Document formats supported: Excel, PDF, Word, Powerpoint
  • DirectX 11, Touch UI, XBox-Live Hub
  • Security features
  • HERE Drive, HERE Maps, HERE Transit

Image Courtesy: samsung.com, nokia.com

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