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Radeon HD 4870

Radeon HD 4850

Radeon HD 3870

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9.65ÒÚ

9.65

6.66ÒÚ

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55nm

55nm

55nm

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800

800

320

ÎÆÀíµ¥Ôª

40

40

16

ROP

16

16

16

ºËÐÄÆµÂÊ

750 MHz

625 MHz

775 MHz

ÏÔ´æÀàÐÍ

GDDR5

GDDR3

GDDR4

ÏÔ´æÆµÂÊ

900 MHz

1GHz

1.125GHz

ÏÔ´æÊý¾Ý´«ÊäÂÊ£¨Gbps£©

3.6

2.0

2.25

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1.2 TeraFLOPS

1.0 TeraFLOPS

0.497 TeraFLOPs


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