Intel Graphics Media Accelerator (GMA) 4700MHD

The Intel Graphics Media Accelerator 4700MHD (sometimes also called GMA X4700 HD or other combinations) is a DirectX 10 capable onboard graphics adapter in the GM47 chipset of the Centrino 2 platform (Montevina). The chip has no dedicated graphics memory, but takes dynamically an amount from the main memory (up to 384 MB).

Compared to the GMA 4500MHD, the 4700MHD features a higher core clock (plus 107 MHz) and is therefore a bit faster. Compared to the predecessor GMA X3100, the GMA 4500MHD has two more shaders and a 33 MHz higher core clock speed. Therefore, the chip is noticable faster than the older one (especially in 3DMark06). Still, the performance is just on par with the entry level dedicated graphics cards and therefore not suited for demanding games.

A new feature of the GMA chip, are the integrated HD video-decoding functions. The GM45 is able to decode HD-videos in the formats AVC, VC-2, and MPEG-2 to help the CPU. This way a Blu-Ray playback should also be possible with a low end CPU.

GMA Series Graphics Media Accelerator (GMA) 4700MHD 10 @ 0.64 GHz Graphics Media Accelerator (GMA) 4500MHD 10 @ 0.53 GHz Graphics Media Accelerator (GMA) 4500M 10 @ 0.4 GHz Graphics Media Accelerator (GMA) X3100 8 @ 0.5 GHz Graphics Media Accelerator (GMA) 950 4/0 cores @ 0.25 GHz Graphics Media Accelerator (GMA) 900 4/0 cores @ 0.4 GHz Graphics Media Accelerator (GMA) 600 4 @ 0.4 GHz Graphics Media Accelerator (GMA) 500 4 @ 0.2 GHz
Codename	Montevina
Architecture	Gen. 4.5
Pipelines	10 - unified
Core Speed	640 MHz
Shared Memory	yes
API	DirectX 10, Shader 4.0
technology	65 nm
Features	Enhanced Intel Clear Video Technology, HD Video Decoder (VC/VC2/MPEG2), HDMI mit HDCP Support, Display Refresh Rate Switching Technology, Render Standby
Date of Announcement	01.10.2008
Link to Manufacturer Page	www.intel.com

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