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Radeon HD 6770 Fan / H677FN1GD

Specifications of the HIS Radeon HD 6770 Fan GPU


HIS Radeon HD 6770 Fan (part number H677FN1GD) Graphics Processing Unit for desktop market segment is based on AMD Radeon HD 6770, and fabricated on 40 nm manufacturing process. The card has 850 MHz graphics clock frequency. It also has 800 stream processors, 16 color ROPs, along with 40 texture units. The Radeon HD 6770 Fan embeds 1 GB of GDDR5 memory. Since the memory operates at 1.2 GHz, and utilizes 128 bit bus, the effective memory bandwidth is 76.8 GB/s. The GPU supports PCI Express 2.1 interface, and needs 2 slots on the motherboard. The maximum power consumption of this model is 108 Watt. To increase HIS Radeon HD 6770 Fan 3D graphics and gaming performance, it can be paired with a similar card in crossfire mode.

Below you will find more detailed specs of the HIS Radeon HD 6770 Fan GPU.

Name / Brand / Architecture

Manufacturer:HIS
Model:Radeon HD 6770 Fan
Part number:H677FN1GD
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

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):7.76 inches (197 mm) x 5 inches (127 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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