ASUS HD 6770 DirectCU Silent

EAH6770-DC-SL/2DI/1GD5

Graphics Processor

Juniper

Cores

800

TMUs

ROPs

Memory Size

1024 MB

Memory Type

GDDR5

Bus Width

128 bit

GPU

Graphics Processor

GPU Name: Juniper

GPU Variant: Juniper XT
(215-0754013)

Architecture: TeraScale 2

Foundry: TSMC

Process Size: 40 nm

Transistors: 1,040 million

Density: 6.3M / mm²

Die Size: 166 mm²

Chip Package: FCBGA-962

Graphics Card

Release Date: ~~Jan 21st, 2011~~
Sep 21st, 2011

Generation: Northern Islands
(HD 6700)

Predecessor: Evergreen

Successor: Southern Islands

Production: End-of-life

Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 850 MHz

Memory Clock: ~~1200 MHz~~
1000 MHz (-17%)
~~4.8 Gbps effective~~
4 Gbps effective

Memory

Memory Size: 1024 MB

Memory Type: GDDR5

Memory Bus: 128 bit

Bandwidth: ~~76.80 GB/s~~
64.00 GB/s

Render Config

Shading Units: 800

TMUs: 40

ROPs: 16

Compute Units: 10

L1 Cache: 8 KB (per CU)

L2 Cache: 256 KB

Theoretical Performance

Pixel Rate: 13.60 GPixel/s

Texture Rate: 34.00 GTexel/s

FP32 (float): 1,360 GFLOPS

Board Design

Slot Width: Dual-slot

Length: ~~198 mm~~
290 mm
~~7.8 inches~~
11.4 inches

TDP: 108 W

Suggested PSU: 300 W

Outputs: 2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
1x DVI
1x HDMI 1.3a
1x VGA

Power Connectors: 1x 6-pin

Board Number: C010

Graphics Features

DirectX: 11.2 (11_0)

OpenGL: 4.4

OpenCL: 1.2

Vulkan: N/A

Shader Model: 5.0

Card Notes

HD 5770 rebrand

Juniper GPU Notes

Generation: Evergreen
Graphics/Compute: GFX4
Display Core Engine: 4.0
Unified Video Decoder: 2.3

Other retail boards based on this design (13)

Name	GPU Clock	Memory Clock	Other Changes
ASUS HD 6770 DirectCU Silent	850 MHz	1000 MHz	290 mm/11.4 inches, 1x DVI 1x HDMI 1x VGA
HIS HD 6770 Fan	850 MHz	1200 MHz	197 mm/7.8 inches, 2x DVI 1x HDMI 1x DisplayPort
HIS HD 6770 Fan	850 MHz	1200 MHz	2x DVI 1x HDMI 1x DisplayPort
HIS HD 6770 IceQ X	850 MHz	1200 MHz	235 mm/9.3 inches, 2x DVI 1x HDMI 1x DisplayPort
HIS HD 6770 IceQ X Turbo	880 MHz	1250 MHz	235 mm/9.3 inches, 2x DVI 1x HDMI 1x DisplayPort
MSI HD 6770	850 MHz	1200 MHz	208 mm/8.2 inches, 1x DVI 1x HDMI 1x DisplayPort
MSI HD 6770	800 MHz	1100 MHz	200 mm/7.9 inches, 1x DVI 1x HDMI 1x VGA
MSI HD 6770 Twin Frozr II OC	875 MHz	1200 MHz	208 mm/8.2 inches, 1x DVI 1x HDMI 1x DisplayPort
Sapphire HD 6770	775 MHz	1000 MHz	1x DVI 1x HDMI 1x DisplayPort
Sapphire HD 6770	850 MHz	1200 MHz	512 MB, 186 mm/7.3 inches, 1x DVI 1x HDMI 1x DisplayPort
Sapphire HD 6770 FleX	850 MHz	1200 MHz	186 mm/7.3 inches, 2x DVI 1x HDMI 1x DisplayPort
Sapphire HD 6770 Vapor-X	860 MHz	1200 MHz	201 mm/7.9 inches, 2x DVI 1x HDMI 1x DisplayPort
VTX3D HD 6770 V2	850 MHz	1200 MHz	Single-slot, 1x DVI 1x HDMI 1x VGA