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Gaming Performance Comparison
In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 720M are marginally better than the Nvidia GeForce GT 630M 2GB DDR3.
The GeForce GT 720M has a 278 MHz higher core clock speed and the same number of Texture Mapping Units as the GT 630M. This results in the GeForce GT 720M providing 4.4 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 GeForce GT 720M has a 278 MHz higher core clock speed and 4 more Render Output Units than the GT 630M. This results in the GeForce GT 720M providing 4.9 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 GeForce GT 720M was released over a year more recently than the GT 630M, and so the GeForce GT 720M is likely to have better driver support, meaning it will be more optimized for running the latest games.
The GT 630M has 1024 MB more video memory than the GeForce GT 720M, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GT 630M also has superior memory performance overall.
The memory bandwidth of the GeForce GT 720M and the GeForce GT 630M 2GB DDR3 are the same, which means the GeForce GT 720M and the GT 630M have equal limitations when it comes to graphical data transfer.
Both the GeForce GT 720M and the GeForce GT 630M 2GB DDR3 have 96 Shader Processing Units. Having the same number of SPUs and using the same architecture means that the performance they offer can be compared by looking at the memory bandwidth, Texture and Pixel Rates. In this case, the GeForce GT 720M has 4.4 GTexel/s better Texture Fill Rate and 4.9 GPixel/s better Pixel Fill Rate, but the has GB/sec greater memory bandwidth. Although the GPUs are very similar in performance, the GeForce GT 720M takes the edge.
The GeForce GT 630M 2GB DDR3 requires 33 Watts to run but there is no entry for the GeForce GT 720M.
|Recommended RAM||4 GB||vs||4 GB|
|Recommended Screen Size||1280x720||1366x768|
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|Mini Review||GeForce GT 720M is an entry-level GFX still based on the Fermi architecture. |
It's based on the Fermi GF117 Core, which is manufactured with a 28nm technology, does comes optimized for lower power consumption and is expect to produce less heat and offers 96 Shader Processing Units, 16 TMUs and 8 ROPs, on a 64-bit memory interface of DDR3. The central unit runs at 938MHz and the memory clock operates at 900MHz.
Its performance lies, therefore, somewhere between GeForce GT 625M and GeForce GT 630M. In smaller resolutions, it should perform considerably better but the 64-bit bus width will become a bottleneck for superior resolutions (720p+).
|GeForce GT 630M 2GB DDR3 is a variant of the middle-class GeForce GT 630M. |
Based on the Fermi GF108, it offers 96 Shader Processing Units, 16 TMUs and 4 ROPs on a 128-bit interface of DDR3.
The central unit runs at 660MHz and will go up to 800MHz in Turbo Mode while the memory clock operates at 900MHz. A 1GB version which will offer the same performance, since this GPU does not benefit from a 2GB frame buffer and most likely cost less, is also available.
Its overall performance is clearly superior to previous GeForce GT 620M/625M and also above previous GeForce GT 540M and slightly above GeForce GT 550M and so most modern demanding games can be played at medium settings smoothly using a 1366x768 (most common) resolution while modern games are playable using the high preset smoothly.
|Possible GPU Upgrades||-||-|