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Celkon A403 vs O2 XDA Atom Exec

 
Brief information about compared phones: Celkon A403 , O2 XDA Atom Exec

Celkon A403 2015 year of release. cpu 1.0 GHz. screen 4". with resolution 480x800. Smartphone has 1 megapixel front camera and 3 megapixel main camera .

O2 XDA Atom Exec 2006 year of release. cpu Intel XScale PXA 27x 520MHz. screen 2.7". with resolution 240x320. Smartphone has 2 megapixel main camera .

Display Technology TFT
Touchscreen capacitive touchscreen resistive touchscreen
Display colors
Screen size 4" inch 2.7" inch
Screen area 45.5 cm2 22.6 cm2
Screen format 5:3 (height:width) 4:3 (height:width)
Screen to body ratio 56.1% 38.2%
Screen resolution 480 x 800 px 240 x 320 px
PPI /points per inch/ 233 PPI 148 PPI
Camera and Video Rear camera, main 3.15 MP, Single 2 MP, Single
Camera specs 3.15 MP 2 MP
Functions LED flash LED flash
Video Yes Yes
Front camera, selfie 1.3 MP, Single 0 MP,
Specifications 1.3 MP
Performance Operating system OS Android 4.4.2 (KitKat) Microsoft Windows Mobile 5.0 PocketPC
Chipset Spreadtrum SC7715
Processor CPU 1.0 GHz Intel XScale PXA 27x 520MHz
External memory microSD, up to 32 GB miniSD
Internal memory 4 GB, 512 MB RAM 64 MB RAM, 192 MB ROM
General specs Release date 2015, August 2006, June
Dimensions (HxWxD) 125 Х 65 Х 10.2 mm 102 Х 58 Х 18.5 mm
Weight 113 g 140 g
Colors Black, Light Blue, Red, Yellow Silver
Battery 1400 mAh,  Li-Ion 1530 mAh,  Removable Li-Po
Approximate price 310 EUR
Communication and Connectivity SIM card Dual SIM Mini-SIM
Network Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 Show all network frequencies:
Speed HSPA
GPRS Yes Class 10
Edge Yes Class 10
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11b
GPS A-GPS No
NFC
USB microUSB 2.0 miniUSB
Bluetooth 2.0 1.2
Harmful irradiation SAR EU - 0.38 W/kg (head)     0.68 W/kg (body)    
Music and Audio Radio FM radio FM radio
Headphone jack Yes No
Others Handwriting recognition
Other features Dop Sensors Accelerometer , Infrared port - Pocket Office -MP3/AAC/AAC+/WMA/OGG/AMR player -WMV/MP4 player

An overview of the main advantages of each of the devices

Reasons to buy A403
  • Internal memory 512 GB
  • External memory microSD GB
Reasons to buy XDA Atom Exec
  • Internal memory 192 GB
  • External memory miniSD GB