A few months ago, ATI released their new 5000 series of gaming cards. On January 14, 2010, they released the first of the mainstream cards of that series, the Radeon HD 5670, sporting the 40nm process, with 400 streaming processors and a 775mHz clock. Sapphire has built three versions of the HD 5670, a 1GB model and two 512MB models. Today I will be looking at the top of the line HD 5670, which has a full gig of GDDR5 memory clocked at 1000mHz. Read on to check out the Sapphire Radeon HD 5670!