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Radeon HD 7770 Black Edition / FX-777A-ZNB4

XFX Radeon HD 7770 Black Edition (part number FX-777A-ZNB4) desktop Graphics Processing Unit was launched in February 2012. The card is based on AMD Radeon HD 7770 GHz Edition, and produced using 28 nm technology. The card's graphics frequency is 1.095 GHz. It also has 640 stream processors, 40 texture units, as well as 16 color ROPs. The Radeon HD 7770 Black Edition has 1 GB of GDDR5 memory, clocked at 1.245 GHz. It has a 128 bit wide memory interface, which translates to 79.68 GB/s memory bandwidth. The GPU has PCI Express 3.0 interface, and uses 2 slots on the motherboard. This model requires up to 80 Watt of power. For increased XFX Radeon HD 7770 Black Edition 3D graphics and game performance, it can be paired with a similar graphics card in crossfire mode.

Please see below for detailed specifications of the graphics card.

XFX Radeon HD 7770 Black Edition GPU specifications

Name / Brand / Architecture

Manufacturer: XFX
Model: Radeon HD 7770 Black Edition
Part number: FX-777A-ZNB4
Reference card?: Yes
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
Launch date: February 2012

Frequency

Graphics clock: 1095 MHz

Memory specifications

Memory size: 1024 MB
Memory type: GDDR5
Memory clock: 1245 MHz
Memory clock (effective): 4.98 GHz
Memory interface width: 128-bit
Memory bandwidth: 79.68 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: 17.52 Gigapixels/s
Texture fill rate: 43.8 Gigatexels/s
Single presision compute power: 1401.6 GFLOPS
Double precision compute power: 87.6 GFLOPS

External connectors

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

Dimensions

Size (length x height): 8.86 inches (225 mm) x 4.38 inches (111.2 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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