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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 635M are very slightly better than the Nvidia GeForce GT 720M.

The GeForce GT 635M has a 50 MHz higher core clock speed and 8 more Texture Mapping Units than the GeForce GT 720M. This results in the GeForce GT 635M providing 6.2 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 635M has a 50 MHz higher core clock speed and 8 more Render Output Units than the GeForce GT 720M. This results in the GeForce GT 635M providing 5.8 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 GeForce GT 635M, 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 GeForce GT 635M 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 GeForce GT 635M also has superior memory performance overall.

The GeForce GT 635M has 14.4 GB/sec greater memory bandwidth than the GeForce GT 720M, which means that the memory performance of the GeForce GT 635M is slightly better than the GeForce GT 720M.

The GeForce GT 720M has 96 Shader Processing Units and the GeForce GT 635M has 144. However, the actual shader performance of the GeForce GT 720M is 180 and the actual shader performance of the GeForce GT 635M is 194. The GeForce GT 635M having 14 better shader performance and an altogether better performance when taking into account other relevant data means that the GeForce GT 635M delivers a slightly smoother and more efficient experience when processing graphical data than the GeForce GT 720M.

The GeForce GT 720M transistor size technology is 12 nm (nanometers) smaller than the GeForce GT 635M. This means that the GeForce GT 720M is expected to run slightly cooler and achieve higher clock frequencies than the GeForce GT 635M. As they exhibit similar graphical performance, the GeForce GT 720M should consume less power than the GeForce GT 635M.

The GeForce GT 720M requires 33 Watts to run and the GeForce GT 635M requires 35 Watts. The GeForce GT 635M requires 2 Watts more than the GeForce GT 720M to run. The difference is not significant enough for the GeForce GT 635M to have a noticeably larger impact on your yearly electricity bills than the GeForce GT 720M.

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GPU Core Details

Core Speed625 MHzvs675 MHz
ArchitectureFermi GF117-N14M-GEFermi GF116
Notebook GPUyesyes
SLI/Crossfirenovsno
Dedicatedyesvsyes
Release Date01 Apr 201306 Mar 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
5.8
green tick vs green tick
5.8
1920x1080
3.2
vs green tick
3.4
2560x1440
2.3
vs green tick
2.5
3840x2160
1.7
vs green tick
2

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 vs green tick 384 KB
Comparison

GPU Display

Shader Processing Units96vs144
Actual Shader Performance180vs194
Technology28nmvs40nm
Texture Mapping Units16vs24
Texture Rate10 GTexel/svs16.2 GTexel/s
Render Output Units8vs16
Pixel Rate5 GPixel/svs10.8 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11
Shader Model5.0vs5.0
Open GL4.3vs4.4
Max Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs1
DVI Connections0vs1
HDMI Connections0vs1
Comparison

GPU Power Requirements

Max Power33 Wattsvs35 Watts

GPU Supporting Hardware

Recommended RAM4 GBvs4 GB
Recommended Screen Size1366x7681366x768
Recommended PSU--

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GT 720M is a entry-level Mobile Graphics Card based on the second revision of the Fermi Architecture.

Architecture
The Fermi Architecture is manufactured with a 40nm Technology and uses a technique known as Hot Clocking: The Shaders are clocked twice as fast as the Central Unit. While this leads to a reasonable performance boost, it causes enormous amounts of energy dissipation, leading, ultimately, to a significantly higher operating temperature.
Fermi is also the first GPU architecture with fully cached memory access which increases memory performance.

GPU
It equips a GPU Codenamed GF117-N14M-GE which has 2 Stream Multiprocessors activated and thus offers 96 Shader Processing Units, 16 TMUs and 8 ROPs. The Central Unit is initially clocked at 625MHz and may reach up to 938MHz, in Turbo Mode.
Additionally, GF117 is built using a 28nm technology.

Memory
The GPU accesses a 1GB frame buffer of DDR3, through a 64-bit memory interface. The size of the frame buffer is exaggerated and no way benefits the GPU. The Memory Clock Operates at 900MHz.

Features
DirectX 11.0 Support (11.0 Hardware Default) and support for Optimus, 3D Vision Surround, PhysX, Realtime Raytracing and other technologies

Power Consumption
With a rated board TDP of 33W, it is suited for average sized laptops.

Performance
GeForce GT 720M is essentially a fast GeForce GT 620M with the option for the Boost Clock which depends on the laptop's cooler.
Gaming benchmarks indicate its performance is slightly below the older GeForce GT 635M.

System Suggestions
We recommend a modest processor (Intel Core i3 Mobile) and 4GB of RAM for a system with GeForce GT 720M.
Overview
GeForce GT 635M is a fast-middle-class Mobile Graphics Card based on the second revision of the Fermi Architecture.

Architecture
The Fermi Architecture is manufactured with a 40nm technology and uses a technique known as Hot Clocking: The Shaders are clocked twice as fast as the Central Unit. While this leads to a reasonable performance boost, it causes enormous amounts of energy dissipation, leading, ultimately, to a significantly higher operating temperature.
Fermi is also the first GPU architecture with fully cached memory access which increases memory performance.

GPU
It equips a GPU Codenamed GF116 which has 3 Stream Multiprocessors activated and thus offers 144 Shader Processing Units, 24 TMUs and 16 ROPs. The Central Unit is clocked at 675MHz.

Memory
The GPU accesses a 2GB frame buffer of DDR3, through a 128-bit memory interface. The size of the frame buffer is exaggerated and in no way benefits the GPU. The Memory Clock Operates at 900MHz.

Features
DirectX 11.0 Support (11.0 Hardware Default) and support for Optimus, 3D Vision Surround, PhysX, Realtime Raytracing and other technologies

Power Consumption
With a rated board TDP of 35W, it is suited for 15" or larger laptops.

Performance
GeForce GT 635M is essentially a renamed GeForce GT 555M v3.
Gaming benchmarks put its performance identical to a GeForce GT 555M v3.

System Suggestions
We recommend a decent processor (Intel Core i5 Mobile) and 4GB of RAM for a system with GeForce GT 635M.
Recommended CPUIntel Core 2 Duo L9300 1.6GHz
AMD Turion X2 Dual Core Mobile RM-75
AMD Turion X2 Ultra Dual Core Mobile ZM-80
Intel Celeron N2820 2.13GHz
Intel Pentium Dual Core T2410 2.0GHz
Intel Core i7-740QM 4-Core 1.73GHz
Intel Core i7-3537U 2-Core 2.0GHz
Intel Core i5-3230M 2.6GHz
Intel Core i5-2540M 2.6GHz
Intel Core i7-4610Y 2-Core 1.7GHz
Possible GPU UpgradesGeForce GTX 675MX
GeForce GTX 860M 4GB
GeForce GTX 860M 2GB
GeForce GTX 470M SLI
GeForce GTX 480M SLI
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GPU Variants--