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Mobility Radeon HD 4850 GDDR5

Specifications of the ATI Mobility Radeon HD 4850 GDDR5 GPU


ATI Mobility Radeon HD 4850 GDDR5 Graphics Processing Unit for mobile market segment is built on Unified Superscalar Shader architecture, and was released in January 2009. The GPU is fabricated on 55 nm manufacturing process. The card has graphics clocked at 500 MHz. Furthermore, it has 800 stream processors, 40 texture units, together with 16 color ROPs. The Mobility Radeon HD 4850 GDDR5 incorporates 1 GB of GDDR5 memory. The memory uses 256 bit bus, and operates at 700 MHz. This allows the card to have 89.6 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface. Gaming and 3D graphics performance of the ATI Mobility Radeon HD 4850 GDDR5 can be improved if it is paired with a similar graphics card.

More detailed specifications of the ATI Mobility Radeon HD 4850 GDDR5 GPU are available below.

Name / Brand / Architecture

Manufacturer:ATI
Model:Mobility Radeon HD 4850 GDDR5
mGPU model number:M98
Reference card?:Yes
Target market segment:Mobile
Die name:RV770
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:956 million
Bus interface:PCI-E 2.0 x 16
Launch date:January 2009

Frequency

Graphics clock:500 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR5
Memory clock:700 MHz
Memory clock (effective):2800 MHz
Memory interface width:**-bit
Memory bandwidth:89.6 GB/s

Cores / Texture

Color ROPs:16
Stream processors:800
Texture units:40
Texture fetches / clock cycle:Up to 160
Textures/pixel:Up to 128
RAMDACs:400 MHz
Decoders:DivX
H.2**
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options:2-way

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:**0 x 1600
Maximum VGA resolution:2048 x 1536
HDMI:Yes
HDMI version:1.3

Performance

Pixel fill rate:8 Gigapixels/s
Texture fill rate:20 Gigatexels/s
Single presision compute power:800 GFLOPS
Double precision compute power:160 GFLOPS

External connectors

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

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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