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gddr5 Ŭ*4 ӵε qdr ̶ ϴ ?

Ź ̵αװ

ȸ : 6470
ۼ : 2009/01/20 13:35
URL : http://www.bodnara.co.kr/bbs/bbs.html?D=11&num=117955
Ʈ    ̽

ȳϼ.

ATI 4870 ޸𸮰 gddr5 ˰ ֽϴ.

gddr4 Ŭ * 2 DDR(Double Data Rate) ̶ ´ٰ մϴ.

׷, gddr5 Ŭ * 4 ˰ ֽϴ. ׷ٸ DDR ƴϰ QDR(Quad data rate) ҷ ϴ° ƴѰ?

ʹ ͺ Ǯ ̾߱ ּ ڽϴ.
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 亯 : gddr5 Ŭ*4 ӵε qdr ̶ ϴ ?
  α׷   2009/01/20 17:07 [/߰] [νǴ亯 Ű]
 
̹ QDR̶ ޸𸮰 ֽϴ.

http://en.wikipedia.org/wiki/Quad_Data_Rate_SRAM

ڼ ãƺð...^^;; ַ Ʈ \ ʿ κп Ǵ ޸Դϴ.

GDDR5 ⺻ ü ѹ Ŭ ͸ ִٴ DDR Ų ̱⶧ DDR ̸ ϰ ִ ̴ϴ.

PCI Express PCIe 1.0 ͸ 2 ִ PCIe 2.0 Ͱ Ͻø ǰڳ׿.

, ۷ ... ϴ , ۷ ִ  ̳Ŀ ̶ Ͻø ذ Ͻ մϴ.

ϼ....
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Խù õ ֽϴ.õ 5 ̸̻ ο Խù ɾ 帳ϴ.
Ʈ ̺Ʈ Ͻþ ǰ ޾ư ֽϴ.

Ʈȳ ۼ(亯) : 40, õŬ : 2, õ 2, ۼ : 4 (2008.12.29Ϻ)

  ƺ (gt75) gt75 ̵α  /  2009-01-20 18:04 / IP/ Ű/ ̴ۿ۴ޱ
  // valkyrie
DDR ̶ ü Ŭ 2 ˰ ֽϴ.
DDR ƴϰ ׳ 5 DRAM Ī پִٸ ذ ,
Ŭ 4 ޸𸮿 DDR ̶ ̸ δٴ° ̻ؼ ȴ ̴ϴ.

  (milkblue) milkblue ̵α  /  2009-01-20 22:42 / IP/ Ű/ ̴ۿ۴ޱ
  ۺ ˻ غôµ.. ߸𸣰ڽϴ.
Ű ó ⱸ Ų ̶ ׷.. ƴϸ..

GDDR5 is the successor to GDDR4 and unlike its predecessors has two parallel DQ links which provide doubled I/O throughput when compared to GDDR4.

Űǵ ϴµ, ذ ȵ˴ϴ. ѱ۷δ ʱ.
ѱ۷ ִ GDDR4 Ƶ ذ ȵdz׿. Ѥ;

  (milkblue) milkblue ̵α  /  2009-01-20 22:49 / IP/ Ű/ ̴ۿ۴ޱ
  GDDR5 DDR ϴ ۶ ο 2 ߾ ־ Ŭ4 ӵ ̴° ƴұ? ̷ ̶ QDR ƴ϶ GDDR5 ̶ θ ־̳׿.

ڸ κ忡 ޸ 2 ž äη ϵ, gddr5 ü ddr ä Ǿ ִ ƴҷ....

ΰ 2 뿪 δٱ淡.. 99% Դϴ.
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