RV670是2950系列沒錯..

· Radeon HD 2900 GT ··· ($199)
600MHz/1600MHz/256bit/256MB/GDDR3/240sp

· Radeon HD 2900 Pro ··· ($249)
600MHz/1600MHz/512bit/512MB/GDDR3/320sp

· Radeon HD 2900 Pro ··· ($299)
742MHz/1800MHz/512bit/512MB/GDDR4/320sp

· Radeon HD 2900 XT ··· ($399)
742MHz/1650MHz/512bit/512MB ＆1GB/GDDR3/320sp

· RV670XT(2950 XT) ··· ($299)
825MHz/2400MHz/256bit/512MB/GDDR4/320sp 　　

· RV670Pro(2950 Pro) ··· ($229)
750MHz/1800MHz/256bit/256MB ＆512MB/GDDR3/320sp

參考一下