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Radeon HD 4670

ATI Radeon HD 4670 Graphics Processing Unit for desktop market segment makes use of Unified Superscalar Shader architecture, and was released in September 2008. The GPU is produced on 55 nm technological process. The card has 750 MHz graphics clock frequency. Furthermore, it has 320 stream processors, 8 color ROPs, along with 32 texture units. The Radeon HD 4670 has 1 GB of GDDR3 memory, using 128 bit interface. The memory is clocked at 800 MHz, which gives 25.6 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and requires a single motherboard slot. This model has the maximum power draw of 59 Watt.

More detailed specifications of the graphics card you will find below.

ATI Radeon HD 4670 GPU specifications

Name / Brand / Architecture

Manufacturer:ATI
Model:Radeon HD 4670
Reference card?:Yes
Target market segment:Desktop
Die name:RV730 XT
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:514 million
Bus interface:PCI-E 2.0 x 16
Launch date:September 2008

Frequency

Graphics clock:750 MHz

Memory specifications

Memory size:512 - 1024 MB
Memory type:GDDR3
Memory clock:800 MHz
Memory clock (effective):1.6 GHz
Memory interface width:128-bit
Memory bandwidth:25.6 GB/s

Cores / Texture

Color ROPs:8
Stream processors:320
Texture units:32
Texture fetches / clock cycle:Up to 128
Textures/pixel:Up to 128
RAMDACs:400 MHz
Decoders:DivX
H.264
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options:4-way

Electric characteristics

Maximum power draw:59 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:2560 x 1600
Maximum DVI resolution:2560 x 1600
Maximum HDMI resolution:1920 x 1200
Maximum VGA resolution:2048 x 1536
Anti-Aliasing technologies:24 x CFAA
8 x MSAA
Adaptive MSAA & SSAA
HDMI:Yes
HDMI version:1.3

Performance

Pixel fill rate:6 Gigapixels/s
Texture fill rate:24 Gigatexels/s
Single presision compute power:480 GFLOPS
Double precision compute power:n/a

External connectors

Standard display connectors:2 x Single or Dual-Link DVI
HDMI
Audio input for HDMI:Yes

Dimensions

Width:Single-Slot

Other features / Support

Other features:ATI/AMD PowerPlay
HDCP
High Dynamic Range (HDR) Support
Open CL support:1.0
OpenGL support:3.3
DirectX support:10.1
Shader model:4.1
Windows driver support:Windows 7
Windows Vista
Windows XP
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