exPreview has discovered that the Radeon HD 4830 supports 800 stream processors, rather than the advertised 640. This makes it similar to the HD 4850, it simply runs at a lower clock speed. However, it’s easily overclocked to run at the same speed, and retails for $89.99, rather than $114.
Exclusive: 800SP HD 4830 Sneaks up in China – Expreview.com.
