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Radeon HD 6770 IceQ X / H677QN1GD

Specifications of the HIS Radeon HD 6770 IceQ X GPU


HIS Radeon HD 6770 IceQ X (part number H677QN1GD) desktop Graphics Processing Unit was released in July 2011. The card is based on AMD Radeon HD 6770, and fabricated on 40 nm manufacturing process. The cards graphics frequency is 850 MHz. Furthermore, it has 800 stream processors, 40 texture units, as well as 16 color ROPs. The Radeon HD 6770 IceQ X embeds 1 GB of GDDR5 memory, using 128 bit bus. The memory is clocked at 1.2 GHz, which results in 76.8 GB/s memory bandwidth. The GPU supports PCI Express 2.1 interface, and requires 2 motherboard slots. The maximum power draw of this model is 108 Watt, on a par with the reference design. For increased HIS Radeon HD 6770 IceQ X 3D graphics and game performance, it can be paired with another card in crossfire mode.

More detailed specifications of the HIS Radeon HD 6770 IceQ X GPU you will find below.

Name / Brand / Architecture

Manufacturer:HIS
Model:Radeon HD 6770 IceQ X
Part number:H677QN1GD
Based on:AMD Radeon HD 6770 [Compare]
Target market segment:Desktop
Die name:Juniper XT (RV840)
Architecture:TeraScale 2 Unified Processing Architecture
Fabrication process:40 nm
Transistors:1.04 billion
Bus interface:PCI-E 2.1 x 16
Launch date:July 2011

Frequency

Graphics clock:850 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR5
Memory clock:1200 MHz
Memory clock (effective):4.8 GHz
Memory interface width:128-bit
Memory bandwidth:76.8 GB/s

Cores / Texture

Color ROPs:16
Z/Stencil ROPs:**
Stream processors:800
Texture units:40
RAMDACs:400 MHz
Decoders:Adobe Flash
H.2**
MPEG-2
MVC (Blu-ray 3D)
VC-1

SLI / Crossfire

Maximum crossfire options:2-way

Electric characteristics

Maximum power draw:108 W

Video features

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

Performance

Pixel fill rate:13.6 Gigapixels/s
Texture fill rate:34 Gigatexels/s
Single presision compute power:1360 GFLOPS
Double precision compute power:n/a

External connectors

Standard display connectors:DisplayPort
Dual Link DVI-I
HDMI
Single Link DVI-I
Power connectors:1 x 6-pin
Audio input for HDMI:Yes

Dimensions

Size (length x height):9.25 inches (235 mm) x 5.5 inches (140 mm)
Width:Dual-Slot

Other features / Support

Other features:ATI/AMD PowerPlay
Direct Compute 11
HD3D Technology
HDCP
High Dynamic Range (HDR) Support
Open CL support:1.1
OpenGL support:4.1
DirectX support:11.0
Shader model:5.0
Windows driver support:Windows 7
Windows Vista
Windows XP

Notes


Rebranded HD 5770
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