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Radeon HD 7770 / HD7770-1GD5

Specifications of the ASUS Radeon HD 7770 GPU


ASUS Radeon HD 7770 (part number HD7770-1GD5) Graphics Processing Unit for desktop market segment is based on AMD Radeon HD 7770 GHz Edition. The GPU is built on 28 nm technology. The card has graphics clocked at 1 GHz. It also has 640 stream processors, 40 texture units, as well as 16 color ROPs. The Radeon HD 7770 embeds 1 GB of GDDR5 memory. The memory utilizes 128 bit bus, and operates at 1.125 GHz. This allows the card to have 72 GB/s memory bandwidth. The GPU supports PCI Express 3.0 interface, and needs 2 motherboard slots. This model requires up to 80 Watt of power, which is on a par with the reference design. 3D graphics and game performance of the ASUS Radeon HD 7770 can be improved if it is paired with a similar card.

Below you will find detailed specs of the ASUS Radeon HD 7770 GPU.

Name / Brand / Architecture

Manufacturer:ASUS
Model:Radeon HD 7770
Part number:HD7770-1GD5
Based on:AMD Radeon HD 7770 GHz Edition [Compare]
Target market segment:Desktop
Die name:Cape Verde XT
Architecture:Graphics Core Next
Fabrication process:28 nm
Transistors:1.5 billion
Bus interface:PCI-E 3.0 x 16

Frequency

Graphics clock:1000 MHz

Memory specifications

Memory size:** MB
Memory type:GDDR5
Memory clock:1125 MHz
Memory clock (effective):4.5 GHz
Memory interface width:128-bit
Memory bandwidth:72 GB/s

Cores / Texture

Compute units:10
Color ROPs:16
Z/Stencil ROPs:**
Stream processors:**0
Texture units:40
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:80 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
EQAA
MLAA
HDMI:Yes
HDMI version:1.4a

Performance

Pixel fill rate:16 Gigapixels/s
Texture fill rate:40 Gigatexels/s
Single presision compute power:1280 GFLOPS
Double precision compute power:80 GFLOPS

External connectors

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

Dimensions

Size (length x height):7.5 inches (191 mm) x 5.3 inches (135 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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