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Radeon HD 7770 1GB GDDR5

Sapphire Radeon HD 7770 1GB GDDR5 is one of a few Sapphire Graphics Processing Units for desktop market. Based on AMD Radeon HD 7770 GHz Edition, and The GPU is produced on 28 nm manufacturing process, and utilizes Graphics Core Next architecture. The card's graphics frequency is 950 MHz. Furthermore, it has 640 stream processors, 40 texture units, and 16 color ROPs. The Radeon HD 7770 1GB GDDR5 comes with 1 GB of GDDR5 memory, clocked at 1.125 GHz. It has a 128 bit wide memory interface, which gives 72 GB/s memory bandwidth. The GPU has PCI Express 3.0 interface, and uses 2 slots on the motherboard. Similar to the reference design, this model has the maximum power draw of 80 Watt. The Sapphire Radeon HD 7770 1GB GDDR5 supports crossfire technology, and will perform significantly better in games when paired with another graphics card.

Detailed specifications of the GPU you will find below.

Sapphire Radeon HD 7770 1GB GDDR5 GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 7770 1GB GDDR5
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: 950 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: 15.2 Gigapixels/s
Texture fill rate: 38 Gigatexels/s
Single presision compute power: 1216 GFLOPS
Double precision compute power: 76 GFLOPS

External connectors

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

Dimensions

Size (length x height): 6.10 inches (155 mm) x 4.09 inches (104 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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