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Radeon HD 6770 (DisplayPort)

Sapphire Radeon HD 6770 (DisplayPort) is one of a few Sapphire desktop graphics processing units, based on AMD Radeon HD 6770. The GPU sports TeraScale 2 Unified Processing architecture, and it is produced on 40 nm manufacturing process. The card's graphics frequency is 850 MHz. It also has 800 stream processors, 40 texture units, as well as 16 color ROPs. The Radeon HD 6770 (DisplayPort) comes with 1 GB of GDDR5 memory. Since the memory is clocked at 1 GHz, and utilizes 128 bit interface, the effective memory bandwidth is 64 GB/s. The GPU has PCI Express 2.1 interface, and needs 2 motherboard slots. The maximum power consumption of this model is 108 Watt, which is on a par with the reference design. To improve Sapphire Radeon HD 6770 (DisplayPort) game and 3D graphics performance, it can be paired with a similar graphics card in crossfire mode.

Below you will find more detailed specifications of the graphics card.

Sapphire Radeon HD 6770 (DisplayPort) GPU specifications

Name / Brand / Architecture

Manufacturer: Sapphire
Model: Radeon HD 6770 (DisplayPort)
Based on: AMD Radeon HD 6770 [Compare]
Target market segment: Desktop
Die name: Juniper XT (RV840)
Architecture: TeraScale 2 Unified Processing Architecture
Fabrication process: 40 nm
Transistors: 1.04 billion
Bus interface: PCI-E 2.1 x 16

Frequency

Graphics clock: 850 MHz

Memory specifications

Memory size: 1024 MB
Memory type: GDDR5
Memory clock: 1000 MHz
Memory clock (effective): 4 GHz
Memory interface width: 128-bit
Memory bandwidth: 64 GB/s

Cores / Texture

Color ROPs: 16
Z/Stencil ROPs: 64
Stream processors: 800
Texture units: 40
RAMDACs: 400 MHz
Decoders: Adobe Flash
H.264
MPEG-2
MVC (Blu-ray 3D)
VC-1

SLI / Crossfire

Maximum crossfire options: 2-way

Electric characteristics

Maximum power draw: 108 W

Video features

Multi-monitor: Up to 6 displays
Maximum digital resolution: 2560 x 1600
Maximum DP resolution: 2560 x 1600
Maximum DVI resolution: 2560 x 1600
Maximum HDMI resolution: 1920 x 1200
Maximum VGA resolution: 2048 x 1536
Anti-Aliasing technologies: 24 x MSAA
24 x SSAA
Adaptive AA
HDMI: Yes
HDMI version: 1.4a

Performance

Pixel fill rate: 13.6 Gigapixels/s
Texture fill rate: 34 Gigatexels/s
Single presision compute power: 1360 GFLOPS
Double precision compute power: n/a

External connectors

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

Dimensions

Width: Dual-Slot

Other features / Support

Other features: ATI/AMD PowerPlay
Direct Compute 11
HD3D Technology
HDCP
High Dynamic Range (HDR) Support
Open CL support: 1.1
OpenGL support: 4.1
DirectX support: 11.0
Shader model: 5.0
Windows driver support: Windows 7
Windows Vista
Windows XP

Notes


Rebranded HD 5770
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