HIS Radeon HD 6870 Turbo 1 GB

HIS Radeon HD 6870 Turbo 1 GB

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Introduction



Last week, AMD, which pioneered DirectX 11 compliant PC consumer graphics, released its second-generation Radeon HD 6800 DirectX 11 architecture, codenamed Northern Islands. The company has enjoyed a 6 month head-start into the race for DirectX 11 graphics hardware market dominance, which also reflected in both growth of market-share, and domination in sales. The time passed by also allowed AMD to refine and fine-tune its architecture to better suit the existing 40 nm silicon fabrication process, by promising to churn out higher performance per Watt and performance per mm² of die-area (plays an important role in product pricing), compared to the previous-generation Evergreen architecture.

The HIS Radeon HD 6870 Turbo that we are reviewing today is an overclocked version of the regular HD 6870 reference design. At this time add-in-board partners are not allowed to make any changes to the PCB, components or thermal design of the HD 6870 so the possible changes are quite limited. In the case of the HIS HD 6870 Turbo, the core clock has been increased from 900 MHz to 920 MHz and the memory clock from 1050 MHz to 1120 MHz.

Radeon
HD 5770
GeForce
GTX 460
GeForce
GTX 460
Radeon
HD 6850
Radeon
HD 5850
GeForce
GTX 470
Radeon
HD 6870
HIS HD
6870 Turbo
Radeon
HD 5870
GeForce
GTX 480
Radeon
HD 5970
Shader units 80033633696014404481120112016004802x 1600
ROPs162432323240323232482x 32
GPUJuniperGF104GF104BartsCypressGF100BartsBartsCypressGF1002x Cypress
Transistors1040M1950M1950M1700M2154M3200M1700M1700M2154M3200M2x 2154M
Memory Size1024 MB 768 MB1024 MB1024 MB1024 MB1280 MB1024 MB1024 MB1024 MB1536 MB2x 1024 MB
Memory Bus Width 128 bit 192 bit 256 bit 256 bit 256 bit 320 bit 256 bit 256 bit 256 bit 384 bit 2x 256 bit
Core Clock850 MHz 675 MHz 675 MHz 775 MHz 725 MHz 607 MHz 900 MHz 920 MHz 850 MHz 700 MHz 725 MHz
Memory Clock1200 MHz 900 MHz 900 MHz 1000 MHz 1000 MHz 837 MHz 1050 MHz 1120 MHz 1200 MHz 924 MHz 1000 MHz
Price$140$160$200$180$260$260$240$260$360$450$580
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