Karbonn A27 Retina vs Samsung Galaxy S Duos S7562

Phones Images
PHONES
Phone Names Karbonn A27 Retina Samsung Galaxy S Duos S7562
Network
2G bandsGSM 900 / 1800 / 1900 - SIM 1 & SIM 2GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 2100HSDPA 900 / 2100 - SIM 1 & SIM 2
SpeedHSPA 7.2/0.384 MbpsHSPA 7.2/5.76 Mbps
TechnologyGSM / HSPAGSM / HSPA
Launch
Announced2013, March. Released 2013, March2012, July. Released 2012, September
StatusDiscontinuedDiscontinued
Body
Build-Glass front, plastic back, plastic frame
Dimensions133.6 x 66 x 9.1 mm (5.26 x 2.60 x 0.36 in)121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in)
SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM, dual stand-by)
Weight126.5 g (4.44 oz)120 g (4.23 oz)
Display
Resolution540 x 960 pixels, 16:9 ratio (~256 ppi density)480 x 800 pixels, 5:3 ratio (~233 ppi density)
Size4.3 inches, 51.0 cm2 (~57.8% screen-to-body ratio)4.0 inches, 45.5 cm2 (~59.4% screen-to-body ratio)
TypeIPS LCDTFT
Platform
CPUDual-core 1.2 GHz1.0 GHz Cortex-A5
Chipset-Qualcomm MSM7227A Snapdragon S1
GPU-Adreno 200
OSAndroid 4.1 (Jelly Bean)Android 4.0 (Ice Cream Sandwich)
Memory
Card slotmicroSDHC (dedicated slot)microSDHC (dedicated slot)
Internal4GB 512MB RAM4GB (1.8GB user available), 768MB RAM
Main Camera
FeaturesLED flashLED flash
Single8 MP, AF5 MP, f/2.6, AF
VideoYes480p@30fps
Selfie camera
Single2 MPVGA
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
BluetoothYes3.0, A2DP
NFCNo-
PositioningGPSGPS, A-GPS
RadioFM radioStereo FM radio, RDS
USBProprietarymicroUSB 2.0
WLANWi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspotWi-Fi 802.11 b/g/n, hotspot
Features
SensorsAccelerometerAccelerometer, proximity, compass
Battery
Stand-byUp to 180 hUp to 445 h (2G) / Up to 330 h (3G)
Talk timeUp to 4 hUp to 13 h (2G) / Up to 7 h 25 min (3G)
TypeLi-Ion 1800 mAh batteryRemovable Li-Ion 1500 mAh battery
Misc
ColorsBlackWhite, Black, La Fleur
Models-GT-S7562
PriceAbout 160 EURAbout 110 EUR
SAR-0.27 W/kg (head)     0.65 W/kg (body)
SAR EU1.00 W/kg (head)0.47 W/kg (head)
Tests
Audio quality- Noise -81.6dB / Crosstalk -80.5dB
Battery life-Endurance rating 43h
Camera- Photo
Display- Contrast ratio: 964 (nominal) / 1.400:1 (sunlight)
Loudspeaker- Voice 61dB / Noise 60dB / Ring 65dB
OUR TESTS
Audio quality-Noise -81.6dB / Crosstalk -80.5dB
Battery (old)-Endurance rating 43h
Camera-Photo
Display-Contrast ratio: 964 (nominal) / 1.400:1 (sunlight)
Loudspeaker-Voice 61dB / Noise 60dB / Ring 65dB