Remove ads
GDDR4 (Graphics Double Data Rate 4)是一款显卡专用记忆体，由JEDEC制定。GDDR4基于DDR3，用来取代基于DDR2的GDDR3。[1][2]
GDDR4推出一年便被GDDR5取代了。只有ATi曾经推出采用GDDR4的显卡，其他厂商均由GDDR3直接跳到GDDR5。
- 使用数据总线转位技术 (Data Bus Inversion)
- 预取由4位元增加到8位元 (跟DDR3相同)
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
Remove ads