NVidia gtx 550ti vs hd6770

Hello, i am wondering which gpu should i buy and which is better.


Gainward GTX 550Ti

Chipset: NVIDIA GeForce GTX550 Ti.
memory: 1024MB GDDR5 at 192-bit.
Engine Clock: 900MHz.
Memory Clock: 2050MHz.
RAMDAC: 400MHz.

or


Asus HD6770 DDR5

Chipset: AMD Radeon HD 6670.
Memory: 1GB GDDR5 (128bits).
Engine clock: 810 MHz.
Memory clock: 4 GHz (1 GHz GDDR5)

Which one is the best for gaming,also the gtx has lower memory clock that the hd,does this says that the hd is better???
Also, will a corsair 430CX will be enough to power up these cards?(no crossfire,no SLI)


Link to GTX : http://www.e-shop.gr/show_used.phtml?id=PER.512815&oem=TO110172960


Link to HD6770 : http://www.e-shop.gr/show_per.phtml?id=PER.513537

i need fast replies because this card is on sale and its only one and i need to buy it fast.(gtx)


EDIT : THE GPU WILL BE COMBINED WITH AMD PHENOM 2 X4 965 BE
3 answers Last reply
More about nvidia 550ti hd6770
  1. You mean a 6670 btw.

    The GTX550 is a much better card. I think your PSU should be ok as well.
  2. yes,sorry i meant the hd6670....


    so what about the memory clock the hd have 4ghz and the gtx have only 2ghz. can you tell me the difference?
  3. http://www.hwcompare.com/9713/geforce-gtx-550-ti-vs-radeon-hd-6770-1gb/

    This is a great website for checking this.

    In general the GTx 550TI is better than the HD6770
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