HIS Radeon HD 7770 iCooler 1 GB

HIS Radeon HD 7770 iCooler 1 GB

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Introduction



A few weeks ago AMD launched their Radeon HD 7700 Series. The cards use the all-new Cape Verde graphics processor which is based on AMD's new GCN Graphics Core Next architecture that promises increased performance and lower power draw.

Cape Verde is a downscale from the "Tahiti" silicon, on which higher Radeon HD 7900 series parts are based. There are fewer number of redundant components, so Cape Verde is left functionally-identical to Tahiti, but is smaller, built for more affordable graphics cards. Cape Verde also retains the basic hierarchy of the architecture as implemented in Tahiti.



The HIS HD 7770 iCooler features a custom cooler design, but relies on the reference PCB otherwise. Clock speeds are also not increased, but the card is currently the cheapest HD 7770 on the market with a price of $130.

HD 7770 Market Segment Analysis
 Radeon
HD 5770
Radeon
HD 7750
GeForce
GTX 550 Ti
Radeon
HD 6790
Radeon
HD 6850
Radeon
HD 7770
HIS HD
7770 iCooler
GeForce
GTX 460
Radeon
HD 6870
GeForce
GTX 560
GeForce
GTX 560 Ti
Shader Units8005121928009606406403361120336384
ROPs1616241632161632323232
Graphics ProcessorJuniperCape VerdeGF116BartsBartsCape VerdeCape VerdeGF104BartsGF114GF114
Transistors1040M1500M1170M1700M1700M1500M1500M1950M1700M1950M1950M
Memory Size1024 MB1024 MB1024 MB1024 MB1024 MB1024 MB1024 MB1024 MB1024 MB1024 MB1024 MB
Memory Bus Width128 bit128 bit192 bit256 bit256 bit128 bit128 bit256 bit256 bit256 bit256 bit
Core Clock850 MHz800 MHz900 MHz840 MHz775 MHz1000 MHz1000 MHz675 MHz900 MHz810 MHz823 MHz
Memory Clock1200 MHz1125 MHz1026 MHz1050 MHz1000 MHz1125 MHz1125 MHz900 MHz1050 MHz1002 MHz1002 MHz
Price$110$110$120$120$140$130$130$140$155$170$210
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