ATi RV770 GPU - Specifications, and Pictures

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ATi RV770

Capabilities

Manufacturer:	ATi
Series:	Radeon HD 4k
Maximum Framebuffer:	MB
Interface:	PCI-E 2.0 x16
Supported Memory Types:	GDDR3, GDDR4
Memory Bus Type:	64x4 (256 bit)
DirectX Compliance:	10.1
OpenGL Compliance:	2.1
PS Version:	4.1
VS Version:	4.1
Fragment Pipelines:	800
Texture Units:	40
Raster Operators	16
Vertex Pipelines:	0

Manufacturing Details

Transistors:	965 million
Process:	55 nm
Fabricator:

Reference Images

Anti-Aliasing Modes

Texture Filtering Modes

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3 Cards Based On This GPU

Radeon HD 4870
Core Clock: 750 MHz
Mem Clock: 1800 MHz
Pipeline Config: 800/16/40/0

Radeon HD 4870 X2
Core Clock: 750 MHz
Mem Clock: 1800 MHz
Pipeline Config: 800/16/40/0

Radeon HD 4850
Core Clock: 625 MHz
Mem Clock: 993 MHz
Pipeline Config: 800/16/40/0

2 Comments

Thursday, May 15, 2008 6:29:09 PM

-RK
Senior Member

Hay guiz, I'm hearing tales of GDDR5 capability on these...

Tuesday, June 10, 2008 10:18:06 AM

Radiator
Senior Member

I wonder how many transistors will there be on this thing .
Edit: Hmm.. 300 million transistors more compared to the HD 3870 . And nVidia doubled it's transistor count compared to the G80 .

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