Sapphire HD 4850 512 MB 100245L Own PCB Design

Sapphire HD 4850 512 MB 100245L Own PCB Design

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Introduction



Sapphire's new Radeon HD 4850 is based on AMD's well estabilished RV770 GPU but uses a PCB and cooling design created by Sapphire. This allowed Sapphire to optimize their product for lower production costs and better thermal efficiency. Unlike many other companies the Sapphire HD 4850 comes with the standard clocks as defined by the AMD reference design, but it is also one of the lowest priced HD 4850 cards with a retail price of only $169.

GeForce
8800 GT
GeForce
9800 GT
Radeon
HD 4850
GeForce
9800 GTX
GeForce
9800 GTX+
GeForce
8800 GTX
GeForce
GTX 260
Radeon
HD 4870
GeForce
GTX 280
Shader units 112112800128128128192800240
ROPs161616161624281632
GPUG92G92RV770G92G92G80GT200RV770GT200
Transistors754M754M 956M754M 754M 681M 1400M 956M1400M
Memory Size512 MB 512 MB 512 MB 512 MB512 MB768 MB896 MB512 MB 1024 MB
Memory Bus Width 256 bit 256 bit 256 bit 256 bit 256 bit 384 bit 448 bit 256 bit 512 bit
Core Clock600 MHz 600 MHz 625 MHz 675 MHz 738 MHz 575 MHz 576 MHz 750 MHz 602 MHz
Memory Clock900 MHz 900 MHz 993 MHz 1100 MHz 1100 MHz 900 MHz 999 MHz 900 MHz 1107 MHz
Price$140$160$170$185$200$295$270$280$430
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