Does my power supply affect the system performance especially my graphics card's performance?

Sam0099 · Jan 3, 2014

Hi guys

Could you anyone please help me out that my system is suffering from under power supply?

Here are My system specs

Motherboard - M4A78-em/1394
Processor - AMD Phenom X4 9650 2.3 Ghz
RAM - DDR2 2GB x 4 sticks
Graphics Card - Asus GTX 650 ti - 1GB, 928 Mhz (Not DC version)
HDDs - 500GB SATA x 1 & 250GB SATA x 1
External HDDs - SONY 1TB 2.5 inches USB 3.0/2.0 x 1
DVD Drive - LG DVD drive x 1
Wireless Adapter - x 1
PSU - Cooler Master 400W

please tell me is my PSU killing overall system performance especially gaming?

I just upgraded my graphic card from XFX GTS 250 1GB to ASUS GTX 650 ti 1GB. But I don't see much performance gain other than Directx 11 effects. But i knew my processor is not up to the latest games but any how am just curious to know if i upgrade my PSU to higher one like 600W will it be worth for higher gaming performance than what i am experiencing now?

or should i upgrade my MOBO and processor to get optimal gaming performance out of this GTX 650 ti? if so can i still go with any higher end MOBO & Processor that supports my existing 8GB DDR2 RAMs?

Many thanks in Advance,

AxlFone · Jan 3, 2014

PSU wattage is fine. CM PSU are known crap.. So better is IMO good buy.
Best quality PSU maker is rosewill. This is awesome quality.
http://pcpartpicker.com/part/rosewill-power-supply-capstone550m

http://www.hardwaresecrets.com/article/Rosewill-CAPSTONE-550M-Power-Supply-Review/1584/11

For build I think it is time to build new with AMD 6 or 8 core cpu + DDR3 memory.

Something like this is good upgrade. Id go with 8350 cpu if you have money for that.
http://pcpartpicker.com/part/amd-cpu-fd8350frhkbox

[PCPartPicker part list](http://pcpartpicker.com/p/2uP7N) / [Price breakdown by merchant](http://pcpartpicker.com/p/2uP7N/by_merchant/) / [Benchmarks](http://pcpartpicker.com/p/2uP7N/benchmarks/)

Type|Item|Price
:----|:----|:----
**CPU** | [AMD FX-8150 3.6GHz 8-Core Processor](http://pcpartpicker.com/part/amd-cpu-fd8150frguwox) | $265.17 @ TigerDirect
**CPU Cooler** | [Thermalright Macho-120 73.6 CFM CPU Cooler](http://pcpartpicker.com/part/thermalright-cpu-cooler-macho120) | $45.99 @ SuperBiiz
**Motherboard** | [ASRock 970 PRO3 R2.0 ATX AM3+ Motherboard](http://pcpartpicker.com/part/asrock-motherboard-970pro3r20) | $64.99 @ Newegg
**Memory** | [Team Dark Series 8GB (2 x 4GB) DDR3-1600 Memory](http://pcpartpicker.com/part/team-memory-tdbd38g1600hc9dc01) | $74.98 @ OutletPC
**Power Supply** | [Rosewill Capstone 550W 80+ Gold Certified Semi-Modular ATX Power Supply](http://pcpartpicker.com/part/rosewill-power-supply-capstone550m) | $84.99 @ Newegg
| | **Total**
| Prices include shipping, taxes, and discounts when available. | $536.12
| Generated by PCPartPicker 2014-01-03 05:13 EST-0500 |

Sam0099 · Jan 7, 2014

Hi

thanks for your reply and sorry for my delayed reply.

I just upgraded my build with the following

Intel i5 3450 3.1 Ghz
Intel Mobo DH series
8GB ddr3 RAM

Result:
I can't even believe what am getting from this build now - am getting lot of performance hike when compared from my last AMD rig. i was going for AMD FX 8150 or FX 8350 but i just turned to Intel this time to test their performance. Am getting arround 55 - 80 FPS in Call of duty ghost with high settings(no glittering/lag during mission loading videos) with the same GTX 650 Ti 1GB rather i was getting only around 20 with my last build. really i can't still believe this intel i5 3450 excels only with 3.1 Ghz.

Anyhow thanks for your advice otherwise i would have messed up with my PSU upgrade.

AxlFone :

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Does my power supply affect the system performance especially my graphics card's performance?

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