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Radeon HD 4870 IceQ 4+ 1 GB / H487QS1GP

Specifications of the HIS Radeon HD 4870 IceQ 4+ 1 GB GPU


HIS Radeon HD 4870 IceQ 4+ 1 GB (part number H487QS1GP) is a Graphics Processing Unit, targeted at desktop market segment. The GPU is based on ATI Radeon HD 4870 GDDR5 model, and built on 55 nm technology. The cards graphics frequency is 750 MHz. It also has 800 stream processors, 40 texture units, along with 16 color ROPs. The Radeon HD 4870 IceQ 4+ 1 GB incorporates 1 GB of GDDR5 memory. Because the memory operates at 900 MHz, and utilizes 256 bit bus, the effective memory bandwidth is 115.2 GB/s. The GPU supports PCI Express 2.0 interface, and requires 2 motherboard slots. The maximum power draw of this model is 130 Watt, identical to the reference design.

More detailed specifications of the HIS Radeon HD 4870 IceQ 4+ 1 GB card you will find below.

Name / Brand / Architecture

Manufacturer:HIS
Model:Radeon HD 4870 IceQ 4+ 1 GB
Part number:H487QS1GP
Reference card?:Yes
Based on:ATI Radeon HD 4870 GDDR5 [Compare]
Target market segment:Desktop
Die name:RV770 XT
Architecture:Unified Superscalar Shader Architecture
Fabrication process:55 nm
Transistors:956 million
Bus interface:PCI-E 2.0 x 16

Frequency

Graphics clock:750 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR5
Memory clock:900 MHz
Memory clock (effective):3.6 GHz
Memory interface width:**-bit
Memory bandwidth:115.2 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:150 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:12 Gigapixels/s
Texture fill rate:30 Gigatexels/s
Single presision compute power:1200 GFLOPS
Double precision compute power:240 GFLOPS

External connectors

Standard display connectors:2 x Dual-Link DVI-I
S-Video
Power connectors:2 x 6-pin
Audio input for HDMI:Yes

Dimensions

Size (length x height):9.84 inches (250 mm) x 4.92 inches (125 mm)
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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