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Radeon HD 6770M

AMD Radeon HD 6770M is a mobile Graphics Processing Unit, that utilizes TeraScale 2 Unified Processing architecture and is fabricated on 40 nm manufacturing process. The GPU was launched in January 2011. The card has 725 MHz graphics clock frequency. It also has 480 stream processors, 24 texture units, and 8 color ROPs. The Radeon HD 6770M incorporates 1 GB of GDDR5 memory. Since the memory operates at 900 MHz, and uses 128 bit bus, the effective memory bandwidth is 57.6 GB/s. The GPU has MXM interface. This model has the maximum power draw of 35 Watt. For improved AMD Radeon HD 6770M game and 3D graphics performance, it can be paired with another graphics card in crossfire mode.

More detailed specifications of the GPU are available below.

AMD Radeon HD 6770M GPU specifications

Name / Brand / Architecture

Manufacturer:AMD
Model:Radeon HD 6770M
mGPU model number:Whistler XT
Reference card?:Yes
Target market segment:Mobile
Die name:Turks
Architecture:TeraScale 2 Unified Processing Architecture
Fabrication process:40 nm
Transistors:716 million
Bus interface:MXM
Launch date:January 2011

Frequency

Graphics clock:725 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR5
Memory clock:900 MHz
Memory clock (effective):3.6 GHz
Memory interface width:128-bit
Memory bandwidth:57.6 GB/s

Cores / Texture

Color ROPs:8
Z/Stencil ROPs:32
Stream processors:480
Texture units:24
RAMDACs:400 MHz
Decoders:Adobe Flash
H.2**
MPEG-2 (SD & HD)
MPEG-4 Part 2 (DivX/Xvid)
MVC
VC-1

SLI / Crossfire

Maximum crossfire options:2-way

Electric characteristics

Maximum power draw:35 W

Video features

Multi-monitor:Up to 6 displays
Maximum digital resolution:**0 x 1600
Maximum VGA resolution:2048 x 1536
HDMI:Yes
HDMI version:1.4a

Performance

Pixel fill rate:5.8 Gigapixels/s
Texture fill rate:17.4 Gigatexels/s
Polygon throughput:725 million polygons/s
Single presision compute power:696 GFLOPS
Double precision compute power:n/a

External connectors

Standard display connectors:DisplayPort 1.2
Dual-Link DVI
HDMI
VGA
Audio input for HDMI:Yes

Other features / Support

Other features:ATI/AMD PowerPlay
Direct Compute 11
HD3D Technology
HDCP
High Dynamic Range (HDR) Support
Open CL support:1.2
OpenGL support:4.2
DirectX support:11.0
Shader model:5.0
Windows driver support:Windows 7
Windows Vista
Windows XP
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