tekken tag tournament running too slow

[AMANISH]

hi guys
i am new to this forum but now i am in aproblem 
recently i have downloaded tekken tag tournament but this is running too slow(in some stages it is fine 55-60 fps but in 7th stage and some athor stages it came down to 30 fps) on pcsx2 1.2.1(r5875) 
my laptop specs
dell inspiron 5537
i-5 4200u processer @1.60 ghz to 2.30 ghz
4 gb ram (i will upgrade it to 8 gb soon)
1 tb hdd 
please suggst me the right emulator or the plugins for tekken tag tournament

[jesalvein]

recently i have downloaded tekken tag tournament

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