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Radeon HD 4850 / GV-R485MC-1GH

Specifications of the GIGABYTE Radeon HD 4850 GPU


GIGABYTE Radeon HD 4850 (part number GV-R485MC-1GH) Graphics Processing Unit for desktop market segment is based on ATI Radeon HD 4850. The GPU is manufactured on 55 nm technology. The cards graphics frequency is 640 MHz. It also has 800 stream processors, 40 texture units, as well as 16 color ROPs. The Radeon HD 4850 incorporates 1 GB of GDDR3 memory. Since the memory runs at 960 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 61.44 GB/s. The GPU supports PCI Express 2.0 interface, and needs 2 motherboard slots. This model uses up to 110 Watt of power, identical to the reference design.

Below you will find detailed specs of the GIGABYTE Radeon HD 4850 graphics card.

Name / Brand / Architecture

Manufacturer:GIGABYTE
Model:Radeon HD 4850
Part number:GV-R485MC-1GH
Based on:ATI Radeon HD 4850 [Compare]
Target market segment:Desktop
Die name:RV770 Pro
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:956 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:640 MHz

Memory specifications

Memory size:1024 MB
Memory type:GDDR3
Memory clock:960 MHz
Memory clock (effective):1.92 GHz
Memory interface width:256-bit
Memory bandwidth:61.44 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.264
MPEG 1
MPEG-2
VC-1

SLI / Crossfire

Maximum crossfire options:4-way

Electric characteristics

Maximum power draw:110 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:10.24 Gigapixels/s
Texture fill rate:25.6 Gigatexels/s
Single presision compute power:1024 GFLOPS
Double precision compute power:204.8 GFLOPS

External connectors

Standard display connectors:Dual-Link DVI-I
HDMI
VGA
Power connectors:1 x 6-pin
Audio input for HDMI:Yes

Dimensions

Width:Dual-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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