Amd radeon hd 8790m


TheAMD Radeon HD 8790M(sometimes known as the ATI Mobility Radeon HD 8790) is a DirectX 11.1 graphics card for laptops. It is based on the Mars cpu (28nm GCN architecture) with 384 shader cores, 24 TMUs, & 8 ROPs. The vi xử lý core is clocked at 850 MHz (900 MHz Boost) with GDDR5 VRAM at 1125 MHz (4500 MHz effective).

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The performance of the Radeon HD 8790M is similar to lớn the Nvidia GeForce GTX 660MorGT 750Mand therefore in the upper mid-range category. Most games of 2013 can be played fluently in medium or high details và the WXGA resolution of 1366 x 768 pixels.

The 384 shaders can be used with OpenCL 1.2 for general-purpose calculations (as 6 compute units). Compared khổng lồ old TeraScale 2 chips, the GCN-based Mars architecture offers improved performance in this framework.

Features of the 8790M include clip decoding viaUVD3for decodingMPEG-4 AVC/H.264, VC-1, MPEG-2, and Flash directly from the AMD GPU. Multi-View Codec (MVC) và MPEG-4 part 2 (DivX, xVid) HD videos are now compatible as well.

The 8700M series also supports automatic graphics switching between the integrated GPU và discrete GPU. CalledEnduro,the giải pháp công nghệ supersedes AMD"s Dynamic Switchable Graphics & is similar to lớn Nvidia"s Optimus. Furthermore, the 8790M can directly tư vấn up to lớn 2 connected monitors usingEyefinityTechnology if Enduro is disabled.

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Other features of the 8700M series includeZeroCorefor reducing power consumption when the display is turned off andPower Gatingto nguồn down areas of the chip that are not used.PowerTuneallows automatic overclocking and underclocking of the graphics thẻ as long as the GPU is within its TDP limit. For example, the chip may be underclocked when running FurMark & OCCT, but will overclock in certain games lượt thích Lost Planet, Crysis or Resident Evil 5.

Theintegrated HD audio processoris able to transmit HD Audio (TrueHD or DTS Master Audio) over HDMI and DisplayPort (e.g., for Blu-Ray videos). Additionally, it now allows audio to output đầu ra simultaneously và in parallel to lớn multiple devices with the newDiscrete Digital Multipoint Audio(DDMA) feature.

The power consumption should be slightly higher than the previous 7690M cpu when under load (2 Watt difference according khổng lồ the desktop thiết lập fromTechreport). However, the 8790M can potentially draw less power nguồn when idle (if not disabled by Enduro). Overall, the 8790M is best suited for 15-inch notebooks or bigger.

Radeon HD 8700M SeriesRadeon HD 8790M 384
4500 MHz
Radeon HD 8770M 384
4500 MHz
Radeon HD 8550G + HD 8750M Dual Graphics 640
1800 MHz
Radeon HD 8750M 384
2000 - 4000 MHz
Radeon HD 8730M 384
2000 MHz
CodenameMars XTXArchitectureGCNPipelines384 - unifiedCore Speed850 MHzMemory Speed4500 MHzMemory Bus Width128 BitMemory TypeGDDR5Max. Amount of Memory2048 MBShared MemorynoDirectXDirectX 11.1, Shader 5.0Transistor Count900 Milliontechnology28 nmNotebook Sizemedium sizedDate of Announcement16.11.2012 Link lớn Manufacturer Page

Chuyên mục: Tin Tức