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VTX3D HD 6870 X2

VTX3D HD 6870 X2 Image AMD Barts Image

Graphics Processor

GPU Name: Barts
GPU Variant: Barts XT
Process Size: 40 nm
Transistors: 1,700 million
Die Size: 255 mm²

Graphics Card

Released: Jul 8th, 2011
Dec 8th, 2011
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16
VTX3D Part #: VX6870X2-2GBD5-2DHG

Clock Speeds

GPU Clock: 900 MHz
Memory Clock: 1050 MHz
4200 MHz effective


Memory Size: 1024 MB x2
Memory Type: GDDR5
Memory Bus: 256 bit x2
Bandwidth: 134 GB/s x2

Render Config

Shading Units: 1120 x2
TMUs: 56 x2
ROPs: 32 x2
Compute Units: 14 x2
Pixel Rate: 28.8 GPixel/s x2
Texture Rate: 50.4 GTexel/s x2
Floating-point performance: 2,016 GFLOPS x2

Board Design

Slot Width: Dual-slot
Length: 11.97 inches
304 mm
TDP: 300 W
Outputs: 2x DVI
2x mini-DisplayPort

Graphics Features

DirectX: 11.0
OpenGL: 4.3
OpenCL: 1.2
Shader Model: 5.0


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Our review database contains 170 reviews of the HD 6870 X2.

Other retail boards based on this design

Name GPU Clock Memory Clock Other Changes
Club 3D HD 6870 X2 900 MHz 1050 MHz
PowerColor HD 6870 X2 900 MHz 1050 MHz
VTX3D HD 6870 X2 900 MHz 1050 MHz