AMD ATI Radeon HD 3800 Series User Manual download pdf (Page 8)

Beyond Programmable Shading: Fundamentals

All slides © 2008 Advanced Micro Devices, Inc. Used with permission.

All slides © 2008 Advanced Micro Devices, Inc. Used with permission.

Texture Units

• Streamlined design

– 70% increase in performance/mm

2 *

• More performance

– Double the texture cache bandwidth

of the ATI Radeon

tm

HD 3800 series

*

– 2.5x increase in 32-bit filter rate

*

– 1.25x increase in 64-bit filter rate

*

– Up to 160 fetches per clock

*

ATI

Radeon

HD 3870

ATI

Radeon

HD 4870

49.6 Gtex/s

120 Gtex/s

Peak 32-bit texture fetch rate

* Internal AMD test results comparing ATI Radeon

TM

HD 4800 series and ATI Radeon

TM

HD 3800 series

8

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