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20 Chapter 1
VGA Chip
LCD Display Resolutions
Item Specification
Vendor/model
name
ATI Mobility Radeon™ HD 5650/5470 GPU
Features • On Board 1024MB(5650) / 512MB(5470) DDR3 Video RAM
• PCI Express 2.1 x16 bus interface
• DirectX® 11 support
• OpenGL 3.2 support
• Image quality enhancement technology
• ATI Eyefinity multi-display technology
• ATI Stream acceleration technology
• ATI Avivo HD Video & Display technology
• Certified drivers for Windows 7, Windows Vista, and Windows XP
• Engine clock speed: 550 MHz / 750 MHz
• Memory clock speed: 800 MHz
• VGA output support
• HDMI output Support
Supported
Resolutions
VGA Aspire 5251/5551 • All resolutions up to 2456 x
1536: 60 Hz
Aspire 5551G • All resolutions up to 2048 x
1536: 85 Hz
HDMI™ Aspire 5251/5551/5551G • All resolutions up to 1920 x
1080: 60 Hz
Resolution Aspire 5251 Aspire 5551 Aspire 5551G
640x480p/60Hz 4:3 Yes Yes Yes
720x480p/60Hz 4:3 Yes Yes Yes
720x480p/60Hz 16:9 Yes Yes Yes
1280x720p/60Hz 16:9 Yes Yes Yes
1920x1080i/60Hz 16:9 Yes Yes Yes
1440x480i/60Hz 4:3 Yes Yes Yes
1440x480i/60Hz 16:9 Yes Yes Yes
1920x1080p/60Hz 16:9 Yes Yes Yes
720x576p/50Hz 4:3 Yes Yes Yes
720x576p/50Hz 16:9 Yes Yes Yes
1280x720p/50Hz 16:9 Yes Yes Yes
1920x1080i/50Hz 16:9 Yes Yes Yes
1440x576i/50Hz 4:3 Yes Yes Yes
1440x576i/50Hz 16:9 Yes Yes Yes
1920x1080p/50Hz 16:9 Yes Yes Yes
2048x1536/85 Hz 16:9 Yes Yes Yes
2560x1440/75 Hz 16:9 Yes Yes No