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Gaming Performance Comparison
In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 8850M 2GB GDDR5 are marginally better than the Nvidia GeForce GT 750M 2GB GDDR5.
The GT 750M has a 366 MHz higher core clock speed but 8 fewer Texture Mapping Units than the HD 8850M. The lower TMU count doesn't matter, though, as altogether the GT 750M manages to provide 7.1 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.
The GT 750M has a 366 MHz higher core clock speed than the HD 8850M and the same number of Render Output Units. This results in the GT 750M providing 5.9 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.
The GT 750M was released less than a year after the HD 8850M, and so they are likely to have similar driver support for optimizing performance when running the latest games.
The GeForce GT 750M 2GB GDDR5 and the Radeon HD 8850M 2GB GDDR5 have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.
The GT 750M has 8 GB/sec greater memory bandwidth than the HD 8850M, which means that the memory performance of the GT 750M is marginally better than the HD 8850M.
The GeForce GT 750M 2GB GDDR5 has 384 Shader Processing Units and the Radeon HD 8850M 2GB GDDR5 has 640. The HD 8850M having 256 better shader performance is not particularly notable, as altogether the GT 750M performs better when taking into account other relevant data.
The GeForce GT 750M 2GB GDDR5 requires 33 Watts to run but there is no entry for the Radeon HD 8850M 2GB GDDR5.
|Recommended RAM||8 GB||vs||6 GB|
|Recommended Screen Size||1600x900||-|
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|Mini Review||GeForce GT 750M 2GB GDDR5 is a fast-middle-class GFX, based on the 28nm, 2012 Kepler architecture. |
It's Based on the Kepler GK107 Core and therefore offers 384 Shader Processing Units, 32 TMUs and 16 ROPs, on a 128-bit memory interface of either fast GDDR5 or standard DDR3. The central unit's and operating memory clock's speed depend on the memory variant.
This is the GDDR5 version and so the central unit runs at 941Hz(XXXMHz in Turbo Mode) and the memory clock operates at up to 1250MHz.
However, ultimately, laptop manufacturer's may change these values to their liking.
The GDDR5 version gains the upper-hand on higher resolutions (1600x900, 1980x800) and has more tolerance for image improving techniques, such as MSAA and thus is better suited for larger notebooks.
|Radeon HD 8850M 2GB GDDR5 is a high-end GPU based on the GCN architecture. |
It offers 640 Shader Processing Units, 40 TMUs and 16 ROPs. There are two versions available: One with DDR3 and another with GDDR5. This is the GDDR5 version. On this version, the central unit can be initially clocked at up to 575MHz reach up to 625MHz in Turbo Mode while the memory interface is of 128-bit of fast GDDR5. Compared to the DDR3 version, it's underclocked but it offers extra bandwidth needed at higher resolutions and in certain games. Still, overall, both versions should perform similar.
Until benchmarks become available, this GPU's rank is subject to change.