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Radeon HD 7870 IceQ X / H787QN2G2M

Specifications of the HIS Radeon HD 7870 IceQ X GPU


HIS Radeon HD 7870 IceQ X (part number H787QN2G2M) is a desktop Graphics Processing Unit, based on AMD Radeon HD 7870 GHz Edition, and manufactured on 28 nm technological process. The card has 1 GHz graphics clock frequency. Furthermore, it has 1280 stream processors, 80 texture units, together with 32 color ROPs. The Radeon HD 7870 IceQ X comes with 2 GB of GDDR5 memory. Since the memory is clocked at 1.2 GHz, and utilizes 256 bit bus, the effective memory bandwidth is 153.6 GB/s. The GPU supports PCI Express 3.0 interface, and needs 2 motherboard slots. This model uses up to 175 Watt of power, same as on the reference design. 3D graphics and game performance of the HIS Radeon HD 7870 IceQ X can be improved if it is paired with another card.

Detailed specifications of the HIS Radeon HD 7870 IceQ X GPU are available below.

Name / Brand / Architecture

Manufacturer:HIS
Model:Radeon HD 7870 IceQ X
Part number:H787QN2G2M
Reference card?:No
Based on:AMD Radeon HD 7870 GHz Edition [Compare]
Target market segment:Desktop
Die name:Pitcairn XT
Architecture:Graphics Core Next
Fabrication process:28 nm
Transistors:2.8 billion
Bus interface:PCI-E 3.0 x 16

Frequency

Graphics clock:1000 MHz

Memory specifications

Memory size:2048 MB
Memory type:GDDR5
Memory clock:1200 MHz
Memory clock (effective):4.8 GHz
Memory interface width:**-bit
Memory bandwidth:153.6 GB/s

Cores / Texture

Compute units:20
Color ROPs:32
Z/Stencil ROPs:128
Stream processors:1280
Texture units:80
RAMDACs:400 MHz
Decoders:Adobe Flash
DXVA 1.0 & 2.0
H.2**
MPEG 2 (SH & HD)
MPEG-4 Part 2 (DivX/Xvid)
MVC (Blu-ray 3D)
VC-1
WMV HD

SLI / Crossfire

Maximum crossfire options:2-way

Electric characteristics

Maximum power draw:175 W

Video features

Multi-monitor:Up to 6 displays
Maximum DP resolution:4096 x 2160
Maximum DVI resolution:**0 x 1600
Maximum HDMI resolution:4096 x 3112
Maximum VGA resolution:2048 x 1536
Anti-Aliasing technologies:24 x MSAA
24 x SSAA
Adaptive AA
MLAA
HDMI:Yes
HDMI version:1.4a

Performance

Pixel fill rate:32 Gigapixels/s
Texture fill rate:80 Gigatexels/s
Single presision compute power:**0 GFLOPS
Double precision compute power:160 GFLOPS

External connectors

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

Dimensions

Size (length x height):10.04 inches (255 mm) x 5.5 inches (140 mm)
Width:Dual-Slot

Other features / Support

Other features:AMD PowerTune
AMD ZeroCore Power
ATI/AMD PowerPlay
Direct Compute 11
HD3D Technology
HDCP
Open CL support:1.2
OpenGL support:4.2
DirectX support:11.1
Shader model:5.0
Windows driver support:Windows 7
Windows Vista
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