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Radeon HD 6770 / GV-R677D5-1GD

Specifications of the GIGABYTE Radeon HD 6770 GPU


GIGABYTE Radeon HD 6770 (part number GV-R677D5-1GD) is a desktop Graphics Processing Unit, based on AMD Radeon HD 6770, and produced on 40 nm technology. The card has graphics clocked at 775 MHz. Furthermore, it has 800 stream processors, 40 texture units, along with 16 color ROPs. The Radeon HD 6770 comes with 1 GB of GDDR5 memory. Because the memory is clocked at 1 GHz, and utilizes 128 bit bus, the effective memory bandwidth is 64 GB/s. The GPU supports PCI Express 2.1 interface, and needs 2 slots on the motherboard. The maximum power draw of this model is 108 Watt, same as on the reference design. 3D graphics and game performance of the GIGABYTE Radeon HD 6770 can be improved if it is paired with a similar graphics card.

More detailed specifications of the GIGABYTE Radeon HD 6770 GPU you will find below.

Name / Brand / Architecture

Manufacturer:GIGABYTE
Model:Radeon HD 6770
Part number:GV-R677D5-1GD
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:775 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR5
Memory clock:1000 MHz
Memory clock (effective):4 GHz
Memory interface width:128-bit
Memory bandwidth:** 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 DP resolution:**0 x 1600
Maximum DVI resolution:**0 x 1600
Maximum HDMI resolution:1920 x 1200
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:12.4 Gigapixels/s
Texture fill rate:31 Gigatexels/s
Single presision compute power:1240 GFLOPS
Double precision compute power:n/a

External connectors

Standard display connectors:DisplayPort 1.2
Dual-Link DVI-I
HDMI
Power connectors:1 x 6-pin
Audio input for HDMI:Yes

Dimensions

Size (length x height):8.07 inches (205 mm) x 5.3 inches (134 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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