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Gaming Performance Comparison

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 740M are significantly better than the Nvidia GeForce GT 635M.

The GeForce GT 740M has a 135 MHz higher core clock speed and 8 more Texture Mapping Units than the GeForce GT 635M. This results in the GeForce GT 740M providing 9.7 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 740M has a 135 MHz higher core clock speed than the GeForce GT 635M and the same number of Render Output Units. This results in the GeForce GT 740M providing 2.2 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 740M was released over a year more recently than the GeForce GT 635M, and so the GeForce GT 740M is likely to have better driver support, meaning it will be more optimized for running the latest games.

The GeForce GT 740M has 512 MB more video memory than the GeForce GT 635M, so is likely to be much better at displaying game textures at higher resolutions. However, overall, the GeForce GT 635M has superior memory performance.

The GeForce GT 635M has 14.4 GB/sec greater memory bandwidth than the GeForce GT 740M, which means that the memory performance of the GeForce GT 635M is slightly better than the GeForce GT 740M.

The GeForce GT 740M has 384 Shader Processing Units and the GeForce GT 635M has 144. However, the actual shader performance of the GeForce GT 635M is 288. The GeForce GT 740M having 96 better shader performance and an altogether better performance when taking into account other relevant data means that the GeForce GT 740M delivers a marginally smoother and more efficient experience when processing graphical data than the GeForce GT 635M.

The GeForce GT 740M transistor size technology is 12 nm (nanometers) smaller than the GeForce GT 635M. This means that the GeForce GT 740M is expected to run slightly cooler and achieve higher clock frequencies than the GeForce GT 635M.

The GeForce GT 740M 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 740M 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 740M.

Can I Run It

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GPU Core Details

Core Speed810 MHzvs675 MHz
ArchitectureKepler GK107Fermi GF106
Notebook GPUyesyes
SLI/Crossfirenovsno
Dedicatedyesvsyes
Release Date01 Apr 201306 Dec 2011
GPU LinkGD LinkGD Link
Approved
Comparison

GPU Memory

Memory2048 MBvs1536 MB
Memory Speed900 MHzvs900 MHz
Memory Bus128 Bitvs192 Bit
Memory TypeDDR3vsDDR3
Memory Bandwidth28.8GB/secvs43.2GB/sec
Comparison

GPU Display

Shader Processing Units384vs144
Actual Shader Performance384vs288
Technology28nmvs40nm
Texture Mapping Units32vs24
Texture Rate25.9 GTexel/svs16.2 GTexel/s
Render Output Units16vs16
Pixel Rate13 GPixel/svs10.8 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11
Shader Model5.0vs5.0
Open GL4.3vs4.1
Max Resolution (WxH)4096x2160vs2560x1600
VGA Connections0vs1
DVI Connections0vs1
HDMI Connections0vs1
Comparison

GPU Power Requirements

Max Power33 Wattsvs35 Watts

GPU Supporting Hardware

Recommended RAM6 GBvs4 GB
Recommended Screen Size1366x7681366x768
Recommended PSU--

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce GT 740M is a middle-class mobile graphics card based on the 28nm, Kepler architecture.
It's based on the Kepler GK107 Core and offers 384 Shader Processing Units, 32 TMUs and 16 ROPs, on a 128-bit memory interface of DDR3. The central unit runs at 810MHz (890MHz in Turbo Mode) and the memory clock operates at up to 900MHz.
Its performance is therefore similar (though slower) to the DDR3 Variant of previous GeForce GT 650M and so most modern games will run at medium or high settings. Its power consumption should be lower, thanks to the power optimizations.
This Graphics Card needs to be paired with an average Quad Core CPU and can only achieve fluent frame rates at 1366x768.
GeForce GT 635M is a middle-class mobile GPU still based on the 2010 Fermi architecture.
It's based on the Fermi GF106 Core and offers 144 Shader Processing Units, 24 TMUs and 24 ROPs on a 192-bit memory interface of 1.5GB DDR3. The central clock runs at 675MHz and the memory clock operates at 900MHz. Expect a power consumption of up to 35 Watts.
Its performance is above the average and actually higher than the GDDR5 variant thanks to the higher SPUs, TMUs and ROPs count and because extra bandwidth does not benefit this GPU largely and so the GDDR5 is essentially bottlenecked by the GPU's processing power.
Therefore expect to run some modern demanding games at high settings with fluent frame rates (30+) using a 1080p resolution.
Recommended CPU-Intel Core i5-3337U 1.8GHz
Intel Core i5-4200U 1.6GHz
Intel Core 2 Quad Q9100 2.26GHz
Intel Core i5-2410M 2.3GHz
Intel Core i7-3555LE 2-Core 2.5GHz
Possible GPU Upgrades--
GPU VariantsGeForce GT 740M 64-bit Edition
GeForce GT 635M 2GB DDR3