I bought a xfx radeon hd 6670 1gb ddr5 a couple of weeks ago, but for some reason any game i play even dirt 2 on low settings has lagging and screen tearing and only 20fps, these are my specs.
System Manufacturer: Hewlett-Packard
System Model: p6-2022uk
BIOS: BIOS Date: 10/21/2011 CUP_714.rom Ver: 7.14
Processor: Intel(R) Core(TM) i3-2120 CPU @ 3.30GHz (4 CPUs), ~3.3GHz
Memory: 8192MB RAM
Available OS Memory: 8172MB RAM
Page File: 2219MB used, 14124MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: 120 DPI (125 percent)
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
Card name: AMD Radeon HD 6670
Manufacturer: Advanced Micro Devices, Inc.
Chip type: ATI display adapter (0x6758)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_6758&SUBSYS_23091787&REV_00
Display Memory: 742 MB
Dedicated Memory: 1008 MB
Shared Memory: 3830 MB
Current Mode: 1920 x 1080 (32 bit) (60Hz)
Monitor Name: SyncMaster SA100_S22A100N
System Manufacturer: Hewlett-Packard
System Model: p6-2022uk
BIOS: BIOS Date: 10/21/2011 CUP_714.rom Ver: 7.14
Processor: Intel(R) Core(TM) i3-2120 CPU @ 3.30GHz (4 CPUs), ~3.3GHz
Memory: 8192MB RAM
Available OS Memory: 8172MB RAM
Page File: 2219MB used, 14124MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: 120 DPI (125 percent)
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
Card name: AMD Radeon HD 6670
Manufacturer: Advanced Micro Devices, Inc.
Chip type: ATI display adapter (0x6758)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_6758&SUBSYS_23091787&REV_00
Display Memory: 742 MB
Dedicated Memory: 1008 MB
Shared Memory: 3830 MB
Current Mode: 1920 x 1080 (32 bit) (60Hz)
Monitor Name: SyncMaster SA100_S22A100N