bottlenecking issues for Amd cpu

[Ninad Bhoir]

Hello currently i am having these specs
Amd fx 4300 (4 cpu's)
8gb hyper x kingston @ 1886 mhz
1 tb wd Hardisk
Gpu: zotac nvidia Gtx 750 ti
So my question is if i upgrade to good 450 watts psu now for my existing specs listed above will work great to get decents fps in games ..!! But also ?
Will it work same for amd fx 6300 (6 core) or amd fx 8350 (8 cores) which i will be upgrading in future....or i need to upgrade to more watts ?? For these cpus and also

good 450 watts psu which i will buy now will it bottleneck ? In future for fx 6300 or 8350 ?
I am just thinking about the future so that i will be able to save some bucks ..!

Or have to upgrade the psu too ?? If i upgrade the cpu in future Reply asap

Note: i will not upgrade my gpu gtx 750 ti ...!! Soon..
Only want to upgrade cpu for better performance in future ...!!!

 

[Forever Oleg]

If you want better gaming performance in the future, you should upgrade your graphics card.

Upgrading from FX-4300 to FX-6300 will be almost useless unless you multi-task. Upgrading to FX-8320 may be beneficial to some extent (multi-tasking and games like BF4) but to me it's a waste of money - better switch to Intel.

450W power supply should be fine with GTX 750 Ti and even FX-8320.