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Radeon HD 4850 1GB GDDR3 PCI-E

Specifications of the Sapphire Radeon HD 4850 1GB GDDR3 PCI-E GPU


Sapphire Radeon HD 4850 1GB GDDR3 PCI-E is a Graphics Processing Unit, based on ATI Radeon HD 4850, and manufactured on 55 nm technological process. The GPU is targeted at desktop market segment. The card has 625 MHz graphics clock frequency. Furthermore, it has 800 stream processors, 16 color ROPs, together with 40 texture units. The Radeon HD 4850 1GB GDDR3 PCI-E incorporates 1 GB of GDDR3 memory. Since the memory runs at 993 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 63.55 GB/s. The GPU supports PCI Express 2.0 interface, and needs 2 slots on the motherboard. The maximum power draw of this model is 110 Watt, which is identical to the reference design.

More detailed specifications of the Sapphire Radeon HD 4850 1GB GDDR3 PCI-E card are available below.

Name / Brand / Architecture

Manufacturer:Sapphire
Model:Radeon HD 4850 1GB GDDR3 PCI-E
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:625 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR3
Memory clock:993 MHz
Memory clock (effective):1.986 GHz
Memory interface width:**-bit
Memory bandwidth:63.55 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 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 Gigapixels/s
Texture fill rate:25 Gigatexels/s
Single presision compute power:1000 GFLOPS
Double precision compute power:200 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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