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Mobility Radeon HD 4860

Specifications of the ATI Mobility Radeon HD 4860 GPU


ATI Mobility Radeon HD 4860 Graphics Processing Unit for mobile market segment uses Unified Superscalar Shader architecture, and was launched in March 2009. The GPU is built on 40 nm technology. The cards graphics frequency is 650 MHz. It also has 640 stream processors, 16 color ROPs, along with 32 texture units. The Mobility Radeon HD 4860 comes with 1 GB of GDDR5 memory. Since the memory operates at 1 GHz, and utilizes 128 bit bus, the effective memory bandwidth is 64 GB/s. The GPU supports PCI Express 2.0 interface. To improve ATI Mobility Radeon HD 4860 3D graphics and gaming performance, it can be paired with a similar graphics card in crossfire mode.

Below you will find more detailed specs of the ATI Mobility Radeon HD 4860 graphics card.

Name / Brand / Architecture

Manufacturer:ATI
Model:Mobility Radeon HD 4860
mGPU model number:M97
Reference card?:Yes
Target market segment:Mobile
Die name:RV740
Architecture:Unified Superscalar Shader Architecture
Fabrication process:40 nm
Transistors:826 million
Bus interface:PCI-E 2.0 x 16
Launch date:March 2009

Frequency

Graphics clock:650 MHz

Memory specifications

Memory size:1024 MB
Memory type:GDDR5
Memory clock:1000 MHz
Memory clock (effective):4000 MHz
Memory interface width:128-bit
Memory bandwidth:64 GB/s

Cores / Texture

Color ROPs:16
Stream processors:640
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:2-way

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:2560 x 1600
Maximum VGA resolution:2048 x 1536
HDMI:Yes
HDMI version:1.3

Performance

Pixel fill rate:10.4 Gigapixels/s
Texture fill rate:20.8 Gigatexels/s
Single presision compute power:832 GFLOPS
Double precision compute power:166.4 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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