The Radeon HD 4850 topped the GPU sales list for September, according to figures released by NPD. The 8500 GT came in second, with seven Nvidia cards present in the top ten.

According to retail sales numbers released by NPD, the best selling graphics card in September of this year was Visiontek’s Radeon 4850 HD, which moved 4197 units. Second was PNY’s GeForce 8500 GT (512 MB DDR2) with 4106 units and third was PNY’s GeForce 8800 GT (512 MB GDDR3) with 3080 units.

Overall, Nvidia GPUs occupied seven of the top 10 spots, with total unit sales of 21,414 in this group. AMD is well below that – Visontek’s Radeon HD 4870 came in fifth with 3052 units and Asustek’s Radeon HD 4850 at 2509 (for a total of 9758) – but it is noteworthy that 4850 cards usually well north of $160 and 4870 above $270. All Nvidia cards listed in the top 10 typically sell well below that number – only PNY’s 8800GT at #3 occasionally hits price points of more than $150 in U.S. retail. There is also a 9800GT version from EVGA at #8 (2634 units), which also sells of more than $100 in some stores.