galaxy s4 fake or original..root

[Android Question]

hi i bought a galaxy s4 for almost 400 us$ (30000 bd tk )...from the beginning i got the feelings that something wrong with this set..i did a test with a sowtware "genuine galaxy s4/s3/note-2" ....below is the result

Device model- GT-I9500
Device brand-samsung
CPU hardware-Samsung JF
CPU Model-ARMv7 Processor rev 1
CPU cores-4
CPU frequency-1890 Mhz
Total Ram-1.82 GB
Total Rom- 502.96 MB
Screen resolution - 800*480
DPI-240
Camera resolution-1278.03 million
Front Camera resolution-207.36 million
Android version-4.2.2
IMEI-xxxxxxxxxxxxxxxxx
Mac address-blank


can anybody tell me wat the hell i have bought...is it original??? if not wat to do with it...i want to root it....again i have checked there is no thermal, air gesture and pressure sensor

 

[KJohns]

it appears to be legit.. screen resolution looks a bit low however. i think it should be 1920 x 1080 pixel. Download antutu benchmark onto your device and re-post with those results. (screenshots would be perfect!)