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AMD Radeon R9 270 User Manual

AMD Radeon R9 270
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1.3 Uninstalling the Old Driver (Windows® XP)
Follow these steps to uninstall the existing graphics card driver in preparation for
installation of a new card.
1. With the current graphics card still in the computer, close all open applications.
2. On the Windows taskbar, click Start Control Panel and then double-click Add
or Remove Programs.
3. Select the current graphics card driver and then click Change/Remove.
Use the wizard that appears to remove the current display driver.
4. Turn off the system after the driver has been removed.
Note: If the previously installed graphics card has any additional software
installed, this software may also need to be removed before restarting the
computer. For example, DVD Player or Multimedia applications.
1.4 Uninstalling the Old Driver (Windows Vista®/
Windows® 7)
Follow these steps to uninstall the existing graphics card driver in preparation for
installation of a new card.
1. With the current graphics card still in the computer, close all open applications.
2. Click Start Control Panel.
3. Click Device Manager. If you are using the Category View of the Control Panel,
do one of the following:
For Windows Vista, click System and Maintenance and then Device
Manager.
For Windows 7, click System and Security and then Device Manager
under the System group.
4. Expand Display Adapter and then right-click the driver for the graphics card
you are replacing.
5. In the shortcut menu that appears, click Uninstall.
The driver for the old graphics card is uninstalled.
6. Turn off the system.
Getting Started 3
© 2014 Advanced Micro Devices, Inc. AMD Radeon™ R9 270X/R9 270 Graphics

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AMD Radeon R9 270 Specifications

General IconGeneral
ArchitectureGCN 1.0
Stream Processors1280
Core Clock900 MHz
Boost Clock925 MHz
Memory Size2 GB
Memory TypeGDDR5
Memory Bus256-bit
TDP150 W
DirectX11.2
GPUCuracao Pro
Process Size28 nm
Transistors2.8 Billion
Die Size212 mm²
Memory Clock1400 MHz
Memory Bandwidth179.2 GB/s
ROPs32
TMUs80
DirectX Support11.2
OpenCL1.2
Shader Model5.0
PCI Express Version3.0

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