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Radeon HD 7770 DirectCU / HD7770-DC-1GD5

Specifications of the ASUS Radeon HD 7770 DirectCU GPU


ASUS Radeon HD 7770 DirectCU (part number HD7770-DC-1GD5) is a desktop Graphics Processing Unit, based on AMD Radeon HD 7770 GHz Edition, and manufactured on 28 nm technological process. The cards graphics frequency is 1.02 GHz. Furthermore, it has 640 stream processors, 40 texture units, as well as 16 color ROPs. The Radeon HD 7770 DirectCU embeds 1 GB of GDDR5 memory. Because the memory runs at 1.15 GHz, and utilizes 128 bit bus, the effective memory bandwidth is 73.6 GB/s. The GPU supports PCI Express 3.0 interface, and requires 2 slots on the motherboard. The maximum power draw of this model is 80 Watt. 3D graphics and gaming performance of the ASUS Radeon HD 7770 DirectCU can be improved if it is paired with a similar card.

More detailed specifications of the ASUS Radeon HD 7770 DirectCU graphics card you will find below.

Name / Brand / Architecture

Manufacturer:ASUS
Model:Radeon HD 7770 DirectCU
Part number:HD7770-DC-1GD5
Reference card?:No
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:1020 MHz

Memory specifications

Memory size:1024 MB
Memory type:GDDR5
Memory clock:1150 MHz
Memory clock (effective):4.6 GHz
Memory interface width:128-bit
Memory bandwidth:73.6 GB/s

Cores / Texture

Compute units:10
Color ROPs:16
Z/Stencil ROPs:64
Stream processors:640
Texture units:40
RAMDACs:400 MHz
Decoders:Adobe Flash
DXVA 1.0 & 2.0
H.264
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:2560 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:16.32 Gigapixels/s
Texture fill rate:40.8 Gigatexels/s
Single presision compute power:1305.6 GFLOPS
Double precision compute power:81.6 GFLOPS

External connectors

Standard display connectors:2 x Mini-DP
Dual-Link DVI-I
HDMI
Power connectors:1 x 6-pin
Audio input for HDMI:Yes

Dimensions

Size (length x height):8.9 inches (226 mm) x 5.5 inches (140 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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