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Radeon HD 4870 IceQ 4+ 1 GB / H487Q1GH

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


HIS Radeon HD 4870 IceQ 4+ 1 GB (part number H487Q1GH) Graphics Processing Unit for desktop market segment is based on ATI Radeon HD 4870 GDDR5. The GPU is produced on 55 nm manufacturing process. The card has graphics clocked at 750 MHz. Furthermore, it has 800 stream processors, 16 color ROPs, together with 40 texture units. The Radeon HD 4870 IceQ 4+ 1 GB comes with 1 GB of GDDR5 memory. The memory uses 256 bit bus, and runs at 900 MHz. This allows the card to have 115.2 GB/s memory bandwidth. The GPU supports PCI Express 2.0 interface, and requires 2 motherboard slots. Like the reference design, this model has the maximum power consumption of 130 Watt.

More detailed specifications of the HIS Radeon HD 4870 IceQ 4+ 1 GB graphics card are available below.

Name / Brand / Architecture

Manufacturer:HIS
Model:Radeon HD 4870 IceQ 4+ 1 GB
Part number:H487Q1GH
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:1024 MB
Memory type:GDDR5
Memory clock:900 MHz
Memory clock (effective):3.6 GHz
Memory interface width:256-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.264
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: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: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:Dual-Link DVI-I
HDMI
VGA
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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