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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 GT 630M has 14.4 GB/sec greater memory bandwidth than the GeForce GT 720M, which means that the memory performance of the GT 630M is slightly better than the GeForce GT 720M.

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 GT 630M has 14.4 GB/sec greater memory bandwidth. Although the GPUs are very similar in performance, the GT 630M takes the edge.

The GeForce GT 630M 2GB DDR3 requires 33 Watts to run but there is no entry for the GeForce GT 720M.

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GPU Core Details

Core Speed938 MHzvs660 MHz
ArchitectureFermi GF117Fermi GF117
Notebook GPUyesyes
SLI/Crossfirenovsno
Dedicatedyesvsyes
Release Date01 Apr 201301 Dec 2011
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory1024 MBvs2048 MB
Memory Speed900 MHzvs900 MHz
Memory Bus64 Bitvs128 Bit
Memory TypeDDR3vsDDR3
Memory Bandwidth14.4GB/secvs28.8GB/sec
L2 Cache 128 KB green tick vs green tick 128 KB
Comparison

GPU Display

Shader Processing Units96vs96
Actual Shader Performance180vs154
Technology28nmvs28nm
Texture Mapping Units16vs16
Texture Rate15 GTexel/svs10.6 GTexel/s
Render Output Units8vs4
Pixel Rate7.5 GPixel/svs2.6 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11
Shader Model5.0vs5.0
Open GL4.3vs4.1
Max Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs0
DVI Connections0vs0
HDMI Connections0vs0
Comparison

GPU Power Requirements

Max Power-33 Watts

GPU Supporting Hardware

Recommended RAM4 GBvs4 GB
Recommended Screen Size1280x7201366x768
Recommended PSU--

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce 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.
Recommended CPU--
Possible GPU Upgrades--
GPU Variants--