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5
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GT 750M 2GB GDDR5 GeForce GT 650M
Grand Theft Auto V 125% 216%
Battlefield: Hardline 162% 268%
The Witcher III 240% 377%
Assassins Creed: Rogue 70% 139%
Dying Light 300% 461%
Cities: Skylines 125% 216%
Batman: Arkham Knight 61% 126%
Pillars of Eternity 61% 126%
Star Citizen 406% 610%
Mortal Kombat X 125% 216%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 750M 2GB GDDR5 are significantly better than the Nvidia GeForce GT 650M.

The GT 750M has a 91 MHz higher core clock speed and the same number of Texture Mapping Units as the GeForce GT 650M. This results in the GT 750M providing 2.9 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 91 MHz higher core clock speed than the GeForce GT 650M and the same number of Render Output Units. This results in the GT 750M providing 1.5 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 GeForce GT 650M, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GT 750M has 1024 MB more video memory than the GeForce GT 650M, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GT 750M also has superior memory performance overall.

The GT 750M has 35.2 GB/sec greater memory bandwidth than the GeForce GT 650M, which means that the memory performance of the GT 750M is noticeably better than the GeForce GT 650M.

Both the GeForce GT 750M 2GB GDDR5 and the GeForce GT 650M have 384 Shader Processing Units. While the two GPUs have the same number of SPUs, the actual performance delivered by the . Knowing that the shader performance of the GT 750M is superior, it is not necessary to examine the GPUs' respective Texture and Pixel Fill Rates.

The GeForce GT 750M 2GB GDDR5 requires 50 Watts to run and the GeForce GT 650M requires 45 Watts. The GT 750M requires 5 Watts more than the GeForce GT 650M to run. The difference is not significant enough for the GT 750M to have a noticeably larger impact on your yearly electricity bills than the GeForce GT 650M.

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GPU Core Details

Core Speed941 MHzvs850 MHz
ArchitectureKepler GK107-N14P-GTKepler GK107
Notebook GPUyesyes
SLI/Crossfirenovsno
Dedicatedyesvsyes
Release Date09 Jan 201322 Mar 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
7.8
green tick vs
6.3
1920x1080
5.6
green tick vs
4.6
2560x1440
4.2
green tick vs
3.4
3840x2160
2.6
green tick vs
2.2

GPU Memory

Memory2048 MBvs1024 MB
Memory Speed1000 MHzvs900 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeGDDR5vsDDR3
Memory Bandwidth64GB/secvs28.8GB/sec
L2 Cache 256 KB green tick vs green tick 256 KB
Comparison

GPU Display

Shader Processing Units384vs384
Actual Shader Performance406vs326
Technology28nmvs28nm
Texture Mapping Units32vs32
Texture Rate30.1 GTexel/svs27.2 GTexel/s
Render Output Units16vs16
Pixel Rate15.1 GPixel/svs13.6 GPixel/s
Comparison

GPU Display Tech

DirectX11.1vs11.1
Shader Model5.0vs5.0
Open GL4.3vs4.1
Max Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections0vs0
HDMI Connections0vs1
Comparison

GPU Power Requirements

Max Power50 Wattsvs45 Watts

GPU Supporting Hardware

Recommended RAM8 GBvs4 GB
Recommended Screen Size1600x9001366x768
Recommended PSU--

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GT 750M v4 is a Fast-Middle-Class Mobile Graphics Card based on the first revision of the Kepler Architecture.

Architecture
The Kepler Architecture was NVIDIA's big step to power efficiency. Each Stream Multiprocessor (SMX) now hosts 192 Shader Processing Units - against the 48 of older Fermi Architecture, and has been redesigned being now clocked at the same speed of the Central Unit. This means they are more energy efficient and will consequently lead to cooler operating temperatures. However, it also means they are weaker. It can be said that one Fermi SMX is as fast as 2 Kepler SMXs.
Additionally, and not available in all GPUs, Kepler also introduced the Boost Clock Feature. The Boost Clock is an even higher Clock Speed activated when in gaming mode and becomes the effective speed of the GPU.

GPU
It equips a GPU Codenamed GK107-N14P-GT which has 2 Stream Multiprocessors activated and thus offers 384 Shader Processing Units, 32 TMUs and 16 ROPs. The Central Unit is initially clocked at 941MHz and goes up to 1058MHz, in Turbo Mode.

Memory
The GPU accesses a 2GB frame buffer of fast GDDR5, through a 128-bit memory interface. The size of the frame buffer is exaggerated and no way benefits the GPU. The Memory Clock Operates at 1000MHz.

Features
DirectX 11.0 Support (11.0 Hardware Default) and support for SLI, Kepler Boost, Optimus, CUDA, OpenCL, DirectCompute, 3D Vision Surround, PhysX, Realtime Raytracing and other technologies

Power Consumption
With a rated board TDP of 50W, it is suited for average sized laptops.

Performance
GeForce GT 750M v2 is essentially a fast GeForce GTX 660M.
Gaming benchmarks indicate its performance is only slightly below the desktop GeForce GTX 650.

System Suggestions
We recommend a decent processor (Intel Core i5 Mobile) and 8GB of RAM for a system with GeForce GT 750M v4.
Overview
GeForce GT 645M is a Fast-Middle-Class Mobile Graphics Card based on the first revision of the Kepler Architecture.

Architecture
The Kepler Architecture was NVIDIA's big step to power efficiency. Each Stream Multiprocessor (SMX) now hosts 192 Shader Processing Units - against the 48 of older Fermi Architecture, and has been redesigned being now clocked at the same speed of the Central Unit. This means they are more energy efficient and will consequently lead to cooler operating temperatures. However, it also means they are weaker. It can be said that one Fermi SMX is as fast as 2 Kepler SMXs.
Additionally, and not available in all GPUs, Kepler also introduced the Boost Clock Feature. The Boost Clock is an even higher Clock Speed activated when in gaming mode and becomes the effective speed of the GPU.

GPU
It equips a GPU Codenamed GK107 which has 2 Stream Multiprocessors activated and thus offers 384 Shader Processing Units, 32 TMUs and 16 ROPs. The Central Unit is clocked at 850MHz.

Memory
The GPU accesses a 1GB frame buffer of DDR3, through a 128-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 900MHz.

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

Power Consumption
With a rated board TDP of 45W, it is suited for average sized laptops.

Performance
Gaming benchmarks indicate its performance stands somewhere between GeForce GT 645M & GeForce GT 650M v2.

System Suggestions
We recommend a decent processor (Intel Core i5 Mobile) and 4GB of RAM for a system with GeForce GT 650M.
Recommended CPUIntel Core i3-M390 2.67GHz
Intel Core i3-4005U 1.7GHz
Intel Pentium Dual Core 2020M 2.4GHz
AMD APU A8-3520M Quad-Core
Intel Core i5-4202Y 1.6GHz
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 970M 3GB
GeForce GTX 970M 6GB
GeForce GTX 680M SLI
GeForce GTX 880M 4GB
GeForce GTX 880M 8GB
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GPU VariantsGeForce GT 750M SLI
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