Powercolor HD 4770 PCS 512 MB

Powercolor HD 4770 PCS 512 MB

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Introduction



AMD's Radeon HD 4770 with its RV740 GPU is the first graphics card using a 40 nanometer graphics processor. Initially released in April 2009, the availability of the cards was quite limited due to supply issues in the GPU production. Now stocks seems to be normalizing again and with better GPU availability partners will start to build their own designs.

One of the first such custom HD 4770 designs is Powercolor's HD 4770 PCS. It uses an Arctic Cooling Accelero L2 for reduced noise and higher cooling performance. Unfortunately that is the only change that will affect you as user. Performance specifications like clock speeds, memory size etc. have remained the same. This seems to be due to an AMD policy that does not allow HD 4770 cards to be built that perform better than HD 4770 reference designs. The most probable reason for that is that AMD does not want HD 4850/4870 sales to hurt.

It should also be noted that the PCB has been largely redesigned, especially power circuitry has seen some changes which should result in a reduced production cost.

Radeon
HD 4550
GeForce
9500 GT
Radeon
HD 4670
GeForce
9600 GT
Radeon
HD 4830
Radeon
HD 4770
Powercolor
HD 4770 PCS
GeForce
GTS 250
Radeon
HD 4850
Radeon
HD 4870
Shader units 803232064640640640128800800
ROPs48816161616161616
GPURV710G96RV730G94RV770RV740RV740G92RV770RV770
Transistors242M314M512M505M 956M826M826M754M956M956M
Memory Size512 MB256 MB /
512 MB
512 MB512 MB 512 MB 512 MB 512 MB 1024 MB 512 MB 512 MB
Memory Bus Width 64 bit128 bit128 bit256 bit 256 bit 128 bit 128 bit 256 bit 256 bit 256 bit
Core Clock600 MHz550 MHz750 MHz650 MHz 575 MHz 750 MHz 750 MHz 738 MHz 625 MHz 750 MHz
Memory Clock800 MHz900 MHz1000 MHz900 MHz 900 MHz 800 MHz 800 MHz 1100 MHz 993 MHz 900 MHz
Price$45$50$65$80$95$110$109$140$100$130
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