AMD has decided to refresh some of their previous HD6000 Series graphics cards by naming them into HD7000 Series. To make a long story short, AMD has released five HD7000 Series graphics cards to OEMs.
Radeon HD 6670 is now HD 7670, Radeon HD 6570 is now HD 7570 and so on. Those graphics cards are designed for low-end and mid-range market and are not available for regular customer. These are the only graphics cards from HD7000 Series made in 40nm process.
Tom’s hardware has prepared a table with a specificaiton overview of all those new graphics cards.
HD 7470/HD 7450
|Production||40 nm||40 nm||40 nm||40 nm|
|Clock Speed||800 MHz||650 MHz||625 to 750 MHz||400 to 650 MHz|
| Shader Units|
|96 (5D)||96 (5D)||32 (5D)||32 (5D)|
|Memory Amount|| 512MB-1GB|
| DDR3 512MB-2GB|
DDR3 / GDDR5
|Memory Clock||1000 MHz|| 900 MHz DDR3|
1000 MHz DDR5
| 533-800 MHz DDR3|
800-900 MHz GDDR5
|400 MHz DDR3|
Up to 800 MHz GDDR5