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Radeon HD 7770 OC / GV-R777OC-1GD (rev. 2.0)

Specifications of the GIGABYTE Radeon HD 7770 OC GPU


GIGABYTE Radeon HD 7770 OC (part number GV-R777OC-1GD (rev. 2.0)) is a desktop Graphics Processing Unit, based on AMD Radeon HD 7770 GHz Edition, and built on 28 nm technological process. The card has 1.05 GHz graphics clock frequency. It also has 640 stream processors, 40 texture units, as well as 16 color ROPs. The Radeon HD 7770 OC comes with 1 GB of GDDR5 memory, using 128 bit bus. The memory is clocked at 1.125 GHz, which translates to 72 GB/s memory bandwidth. The GPU supports PCI Express 3.0 interface, and requires 2 slots on the motherboard. This model needs up to 80 Watt of power, identical to the reference design. 3D graphics and gaming performance of the GIGABYTE Radeon HD 7770 OC can be improved if it is paired with another graphics card.

Detailed specifications of the GIGABYTE Radeon HD 7770 OC graphics card you will find below.

Name / Brand / Architecture

Manufacturer:GIGABYTE
Model:Radeon HD 7770 OC
Part number:GV-R777OC-1GD (rev. 2.0)
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:1050 MHz

Memory specifications

Memory size:1024 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: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:16.8 Gigapixels/s
Texture fill rate:42 Gigatexels/s
Single presision compute power:1344 GFLOPS
Double precision compute power:84 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):8.35 inches (212 mm) x 5.39 inches (137 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
Mantle support:Yes
Shader model:5.0
Windows driver support:Windows 7
Windows Vista
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