Samsung Galaxy S Duos 

Released September, 2012
  • Android 4.0.4
  • 3.5G
  • 4"
  • 1 GHz
Display: With a 4.0-inch TFT LCD display and a WVGA resolution (480 x 800 pixels) the device fits the image of a mid-range handset.
by PhoneArena (Oct, 2012)
Camera: After launching the camera app on the Samsung Galaxy S Duos we are greeted by the familiar TouchWiz camera interface.
by PhoneArena (Aug, 2012)
7.5 Out of 10

PhoneRocket Review Our evaluation of the Samsung Galaxy S Duos


Processing power and speed

Galaxy S Duos
Lumia 520


3D and 2D graphics

Galaxy S Duos
Lumia 520
AnTuTu 3D, GLBenchmark 2.5 and GLBenchmark 2.7

Battery Life

How long will the battery last

Galaxy S Duos
Lumia 520
Talk time (3G), Standby time (3G), Standby time and Battery capacity


How do our trusted review sites rank these products?

Galaxy S Duos
Lumia 520
Reviews from and


PhoneRocket Score

Performance, Graphics, Battery Life and Reviews

Galaxy S Duos
Lumia 520

Benchmarks Real world tests of the Samsung Galaxy S Duos

BrowserMark How fast does the web browser load pages

Galaxy S Duos
Desire V

Reviews Word on the street for the Samsung Galaxy S Duos

And that’s probably most evident in browser where some of the best browsers like Chrome require the 4.0 version of Android.

What People Are Saying Give it to me straight


Colors and contrast are good but the unit is too reflective (as seen by the sunlight legibility score).
by GSM Arena (Aug, 2012)
Images we took on a bright sunny day conveyed the fall colors accurately, and while dynamic range isn’t as wide as we’d wish for in a perfect world, we are happy with the camera performance.
by PhoneArena (Oct, 2012)
As with most LCD displays, this one comes with the benefit of not having blue tint that plagues the AMOLED screens; colors are not as vivid, but are still well looking.
by PhoneArena (Oct, 2012)


Internet and Connectivity: Android 4.0 Ice Cream Sandwich is not just about the interface but also a lot about the choice of apps.
by PhoneArena (Oct, 2012)
Touching the small album art icon will expand the music player.
by GSM Arena (Aug, 2012)
It supports multiple online calendars, including Google Calendar, Samsung's own solution, Facebook and Exchange ActiveSync.
by GSM Arena (Nov, 2012)


Processor and memory: The smartphone's weakest link appears to be its 1GHz single-core processor, which probably won't be capable of delivering the smooth experience we've come to expect from modern handsets.
by PhoneArena (Aug, 2012)
A slightly speedier CPU (a NovaThor perhaps) would have probably been a better choice here as it would have provided a smoother ride around the UI, without rising the price too significantly.
by GSM Arena (Nov, 2012)
The SoC used is a first-gen Snapdragon, namely the MSM7227A paired with 512MB of RAM, which may seem like a lot when compared to what other dual-SIM smartphones have to offer, but it's actually quite modest for a contemporary smartphone.
by PhoneArena (Aug, 2012)


It's also good for 5 hours and 23 minutes of web browsing (over Wi-Fi) and 4 and half hours of watching videos.
by GSM Arena (Nov, 2012)
There's also a 1500 mAh battery under the hood, which according to Samsung should suffice for 7 h 25 min of talk time or 330 h of stand-by on 3G networks.
by GSM Arena (Nov, 2012)
Talk time is rated at 12.8 hours on 2G, and 8.7 on 3G.
by PhoneArena (Oct, 2012)


It is an autofocus camera with a single LED flash and while being a long way from the top performers, it’s a decent shooter.
by PhoneArena (Oct, 2012)
In low light, noise cripples in of course and colors are skewed to warmer, yellowish and softer, but image quality is still perfectly decent.
by PhoneArena (Oct, 2012)
The images look good enough, especially considering that this is not a camera-centric device.
by GSM Arena (Aug, 2012)

Specifications Full list of technical specs


Size 4"
Resolution 800 x 480
Touchscreen Capacitive
Multitouch Yes
PPI 233 ppi


Clock speed 1 GHz
Number of cores Single core
RAM 0.75 GB
Internal storage 4 GB
Supported card formats
  1. SDHC
  2. SD

photo & video

Camera 5 MP
Resolution 5 MP
Flash Yes
Secondary camera 0.3 MP
Video resolution 640 x 480 @ Unknown


Generation 3.5G
  1. HSUPA (5.76 Mb/s)
  2. GPRS (0.01 Mb/s)
  3. UMTS (0.38 Mb/s)
  4. EDGE (0.38 Mb/s)
  5. Unknown (7.2 Mb/s)
  6. GSM (0.01 Mb/s)
  7. HSDPA (7.2 Mb/s)


Talk time (3G) 519.6 min
Standby time 34,272 min
Standby time (3G) 28,224 min
Capacity 1,500 mA·h

form factor

Weight 120 g
Thickness 10.5 mm
Size 63.1 x 121.5 x 10.5 mm


Has an assisted GPS Yes


Supports FM radio Yes


Operating system Android 4.0.4
Multitasking Yes
App store Android Market
Adobe flash support Yes
App store size 850,000 apps


Acts as a wi-fi hotspot Yes
Supports NFC No
Bluetooth Bluetooth
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