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Radeon HD 4850 / GV-R485ZL-512H

Specifications of the GIGABYTE Radeon HD 4850 GPU


GIGABYTE Radeon HD 4850 (part number GV-R485ZL-512H) is one of a few GIGABYTE desktop graphics processing units, based on ATI Radeon HD 4850. Produced on 55 nm technological process, the GPU features Unified Superscalar Shader architecture. The card has graphics clocked at 640 MHz. It also has 800 stream processors, 40 texture units, together with 16 color ROPs. The Radeon HD 4850 comes with 512 MB of GDDR3 memory. Since the memory runs at 940 MHz, and uses 256 bit bus, the effective memory bandwidth is 60.16 GB/s. The GPU supports PCI Express 2.0 interface, and needs 2 motherboard slots. This model requires up to 110 Watt of power, same as on the reference design.

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

Name / Brand / Architecture

Manufacturer:GIGABYTE
Model:Radeon HD 4850
Part number:GV-R485ZL-**H
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:**0 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR3
Memory clock:940 MHz
Memory clock (effective):1.88 GHz
Memory interface width:**-bit
Memory bandwidth:60.16 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:4-way

Electric characteristics

Maximum power draw:110 W

Video features

Multi-monitor:Up to 2 displays
Maximum digital resolution:**0 x 1600
Maximum DVI resolution:**0 x 1600
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:** GFLOPS
Double precision compute power:204.8 GFLOPS

External connectors

Standard display connectors:2 x Dual-Link DVI-I
S-Video
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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