ASUS HD 6970 OC

EAH6970/2DI2S/2GD5

Graphics Processor

Cayman

Cores

1536

TMUs

ROPs

Memory Size

2 GB

Memory Type

GDDR5

Bus Width

256 bit

GPU

I/O

Top

Graphics Processor

GPU Name: Cayman

GPU Variant: Cayman XT
(215-0807007)

Architecture: TeraScale 3

Foundry: TSMC

Process Size: 40 nm

Transistors: 2,640 million

Density: 6.8M / mm²

Die Size: 389 mm²

Graphics Card

Release Date: Dec 14th, 2010

Generation: Northern Islands
(HD 6900)

Predecessor: Evergreen

Successor: Southern Islands

Production: End-of-life

Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: ~~880 MHz~~
890 MHz (+1%)

Memory Clock: 1375 MHz
5.5 Gbps effective

Memory

Memory Size: 2 GB

Memory Type: GDDR5

Memory Bus: 256 bit

Bandwidth: 176.0 GB/s

Render Config

Shading Units: 1536

TMUs: 96

ROPs: 32

Compute Units: 24

L1 Cache: 8 KB (per CU)

L2 Cache: 512 KB

Theoretical Performance

Pixel Rate: ~~28.16 GPixel/s~~
28.48 GPixel/s

Texture Rate: ~~84.48 GTexel/s~~
85.44 GTexel/s

FP32 (float): ~~2.703 TFLOPS~~
2.734 TFLOPS

FP64 (double): ~~675.8 GFLOPS~~
683.5 GFLOPS (1:4)

Board Design

Slot Width: Dual-slot

Length: 286 mm
11.3 inches

Width: 126 mm
5 inches

Height: 42 mm
1.7 inches

TDP: 250 W

Suggested PSU: 600 W

Outputs: 2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2

Power Connectors: 1x 6-pin + 1x 8-pin

Board Number: 109-C20047-00

Graphics Features

DirectX: 11.2 (11_0)

OpenGL: 4.4

OpenCL: 1.2

Vulkan: N/A

Shader Model: 5.0

Cayman GPU Notes

Generation: Northern Islands
Desktop Variant: Antilles
Graphics/Compute: GFX5
Display Core Engine: 5.0
Unified Video Decoder: 3.1

Latest Drivers:
Windows XP / 8:
Catalyst Software Suite 14.4

Windows Vista :
Catalyst Software Suite 13.12

Windows 7 / 8.1 / 10:
Catalyst Software Suite 15.7.1 / 16.2.1 Beta

Other retail boards based on this design (20)

Name	GPU Clock	Memory Clock	Other Changes
ASUS HD 6970 DirectCU II	890 MHz	1375 MHz	297 mm/11.7 inches, Triple-slot, 2x DVI 4x DisplayPort
ASUS HD 6970 OC	890 MHz	1375 MHz
GIGABYTE HD 6970 OC	900 MHz	1375 MHz	290 mm/11.4 inches, 2x DVI 1x HDMI 1x DisplayPort
GIGABYTE HD 6970 OC2	920 MHz	1450 MHz	290 mm/11.4 inches, 2x DVI 1x HDMI 1x DisplayPort
HIS HD 6970 Fan	880 MHz	1375 MHz
HIS HD 6970 Fan Turbo	900 MHz	1400 MHz
HIS HD 6970 IceQ	880 MHz	1375 MHz	295 mm/11.6 inches
HIS HD 6970 IceQ Mix	880 MHz	1375 MHz	295 mm/11.6 inches
HIS HD 6970 IceQ Turbo	900 MHz	1400 MHz	295 mm/11.6 inches
MSI HD 6970 Lightning	940 MHz	1375 MHz	310 mm/12.2 inches
PowerColor HD 6970 Devil 13	960 MHz	1425 MHz	292 mm/11.5 inches
PowerColor HD 6970 LCS	925 MHz	1425 MHz	275 mm/10.8 inches
PowerColor HD 6970 PCS+	940 MHz	1425 MHz	275 mm/10.8 inches
Sapphire HD 6970 Battlefield Vietnam	880 MHz	1375 MHz
Sapphire HD 6970 Dual Fan	880 MHz	1375 MHz	249 mm/9.8 inches
Sapphire HD 6970 Dual-X	880 MHz	1375 MHz	268 mm/10.6 inches
Sapphire HD 6970 FleX	880 MHz	1375 MHz	270 mm/10.6 inches
Sapphire HD 6970 FleX BF3 Edition	930 MHz	1375 MHz	270 mm/10.6 inches
VTX3D HD 6970 X-Edition	940 MHz	1425 MHz
XFX HD 6970	880 MHz	1375 MHz