HotHardware evaluate Diamond Multimedia's Viper Radeon HD 3850 512MB Overclocked Ruby Edition graphics card A quote from the article:

As its name suggests, the Viper Radeon HD 3850 512MB Overclocked Ruby Edition's frame buffer has been doubled from the reference card's 256MB to 512MB. Additionally, Diamond has gone an extra step and raised GPU and memory speeds from the default 670MHz / 830MHz of the original reference design to 725Mhz / 900MHz. Higher speeds and more memory just might be what the doctor ordered to make the Diamond Viper HD 3850 512MB a bit more competitive in an already crowded field of mainstream graphics cards. Head on over to the site and check it out...

>> Diamond Viper Radeon HD 3850 512MB Overclocked Ruby Edition Review