What is bottlenecking my computer?

Mobsterman120 · Mar 2, 2015

Hello everybody, I find that my pc is not giving me the performance I'd like, it can lag a lot in some games and I was wondering if the community could recommend what I should upgrade?

CPU = AMD FX 6300 SIX CORE 3.5GHZ
GPU = RADEON HD 6770 (My catalyst controller center says it has a memory size of 4855mb. Does this mean it is a 4 gb video card?)
RAM = 8gb kingston ram.

I'm running on windows 7 64 bit and I have a 500 watt PSU.

So any recommendations?

RCFProd · Mar 2, 2015

The HD 6770 is a 1GB graphics card. It is the limiting factor on your PC.

PCPartPicker part list / Price breakdown by merchant

Video Card: XFX Radeon R7 265 2GB Video Card ($140.98 @ Newegg)
Total: $140.98
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-03-02 15:49 EST-0500

AdviserKulikov · Mar 2, 2015

If I had to suggest one of those pieces that needed an upgrade, it would be the GPU, fast.

A GTX 970 is not beyond what a Fx-6300 can use.

badboyrog2 · Mar 2, 2015

get a real gpu card like R9 280X and up or
gtx 960 and up

i suggest the R9 because less expensive and got 3 GB vrm

Mobsterman120 · Mar 2, 2015

Will I need to upgrade my PSU for a video card upgrade in the range you guys are suggesting?

badboyrog2 · Mar 2, 2015

''I have a 500 watt PSU''
well i am happy for you...but it does not tell me a lot..

you need a very good psu like seasonic/xfx/antec hcg/evga B2-G2/rosewill capstone

a 500W psu is enough ..but i do not know your model you have now?
a 600W psu will be better in offering you a bigger gap in wattage

AdviserKulikov · Mar 2, 2015

Mobsterman120 :

A high end 500 Watt psu might be able to pull off these cards. Do you have a model #?

Mobsterman120 · Mar 2, 2015

The PSU is a Thermaltake TR2 500W. It is reviewed poorly on newegg somewhat, due to people reporting it dead on arrival or breaking, but I've had no noticeable quality issues.

AdviserKulikov · Mar 2, 2015

Mobsterman120 :

It has the proper connectors for any GTX 970 and many AMD cards below a 290x.

It's debatable as to how safe it is, if you're somebody who believes in taking no risks ever with their parts then you will want to upgrade to a 600+ watt better brand PSU. If you're alright with pushing your parts to their limits, this PSU SHOULD survive according to specs.

RCFProd · Mar 2, 2015

I suggested an R7 265 because of the power supply. However, TR2's are not good power supplies so if you can afford a new PSU and a graphics card we won't hold you back.

What is important here is your budget, and what kind of result you want to see in games at which resolution.

AdviserKulikov · Mar 2, 2015

RCFProd :

+1 to this. It really does depend upon your budget. You can cheap out on critical parts and hope you win the Chinese electronics explosives lottery by not getting the part that bursts into flame, but in the long run it's better to buy a higher end part that will last through several builds.

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