TM NUT RM 88 4mb streamyx VS maxis RM68unlimitdata, Which is better ?

Hi , i using TMNUT RM 88 4MB uni package for over 2 year already , now i found maxis biz plan RM 68 +6 % tax = 71++ . so , which i should going , wired TM 4mb or wireless maxis ?

i do some little comparison :

Download speed : TM max can go 460kbs , Maxis able hit 1mb + depend on location ( well , i stay at kuantan so i think will get decent speed.

Mobility : TM is fixed and maxis can go everywhere .

Monthly Charges : TM : RM 90++ Maxis : RM 72++

Contract : TM : 2 year Maxis : No contract

so ,should i keep using TM or change to Maxis , thanks advance for all bro and sis professional comment and advise