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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GT 750M GeForce GT 650M v2 SLI
Grand Theft Auto V 188% 65%
Assassins Creed: Unity 412% 192%
Dragon Ball Xenoverse 34% 24%
Far Cry 4 318% 139%
Dying Light 412% 192%
The Witcher III 335% 149%
Battlefield: Hardline 253% 102%
Batman: Arkham Knight 106% 18%
Assassins Creed: Rogue 118% 24%
Resident Evil: Revelations 2 106% 18%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 650M v2 SLI are significantly better than the Nvidia GeForce GT 750M.

The GeForce GT 750M has a 222 MHz higher core clock speed than the GT 650M, but the GT 650M has 32 more Texture Mapping Units than the GeForce GT 750M. As a result, the GT 650M exhibits a 16.8 GTexel/s better Texture Fill Rate than the GeForce GT 750M. 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 750M has a 222 MHz higher core clock speed than the GT 650M, but the GT 650M has 16 more Render Output Units than the GeForce GT 750M. As a result, the GT 650M exhibits a 8.3 GPixel/s better Pixel Fill Rate than the GeForce GT 750M. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GeForce GT 750M was released less than a year after the GT 650M, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GT 650M has 2048 MB more video memory than the GeForce GT 750M, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GT 650M also has superior memory performance overall.

The GT 650M has 99.2 GB/sec greater memory bandwidth than the GeForce GT 750M, which means that the memory performance of the GT 650M is massively better than the GeForce GT 750M.

The GeForce GT 750M has 384 Shader Processing Units and the GeForce GT 650M v2 SLI has 768. However, the actual shader performance of the GeForce GT 750M is 447 and the actual shader performance of the GT 650M is 572. The GT 650M having 125 better shader performance and an altogether better performance when taking into account other relevant data means that the GT 650M delivers a massively smoother and more efficient experience when processing graphical data than the GeForce GT 750M.

The GeForce GT 750M requires 50 Watts to run and the GeForce GT 650M v2 SLI requires 90 Watts. The GT 650M requires 40 Watts more than the GeForce GT 750M to run. The difference is significant enough that the GT 650M may have a slight adverse affect on your yearly electricity bills in comparison to the GeForce GT 750M.

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GPU Core Details

Core Speed967 MHzvs745 MHz
ArchitectureKepler GK107-N14P-GTKepler GK107 (x2)
Notebook GPUyesyes
SLI/Crossfireyesvsno
Dedicatedyesvsyes
Release Date09 Jan 201322 Mar 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900
6.6
vs green tick
9.4
1920x1080
5
vs green tick
6.6
2560x1440
3.7
vs green tick
5
3840x2160
2.4
vs green tick
3.1

GPU Memory

Memory2048 MBvs4096 MB
Memory Speed900 MHzvs1000 MHz
Memory Bus128 Bitvs256 Bit
Memory TypeDDR3vsGDDR5
Memory Bandwidth28.8GB/secvs128GB/sec
L2 Cache 256 KB vs green tick 512 KB
Comparison

GPU Display

Shader Processing Units384vs768
Actual Shader Performance447vs572
Technology28nmvs28nm
Texture Mapping Units32vs64
Texture Rate30.9 GTexel/svs47.7 GTexel/s
Render Output Units16vs32
Pixel Rate15.5 GPixel/svs23.8 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 Connections0vs0
Comparison

GPU Power Requirements

Max Power50 Wattsvs90 Watts

GPU Supporting Hardware

Recommended RAM8 GBvs8 GB
Recommended Screen Size1366x7681600x900
Recommended PSU--

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GT 750M 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 DDR3, 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 900MHz.

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 is essentially a fast GeForce GT 650M.
Gaming benchmarks indicate a 10% Performance Boost over the older GeForce GT 650M.

System Suggestions
We recommend a decent processor (Intel Core i5 Mobile) and 8GB of RAM for a system with GeForce GT 750M.
Overview
GeForce GT 650M v2 SLI is a solution of two GeForce GT 650M v2 put together using NVIDIA's SLI technology.

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 consists of 2 GPUs codenamed GK107 which, together, offer 768 Shader Processing Units, 64 TMUs and 32 ROPs, on a 256-bit memory interface of fast GDDR5. The central unit runs at 745MHz, while the memory clock operates at 1753MHz.

Power Consumption
Power Consumption lies between 85W and 95W. As a result, this combination may only be used in very large laptops.

Performance
Gaming benchmarks prove that GeForce GT 650M v2 SLI is overall as fast as a single GeForce GTX 670MX.

System Suggestions
We recommend a strong processor (Intel Core i7) and 8GB of RAM for a system with GeForce GT 650M v2 SLI.
Recommended CPUIntel Celeron 1005M 1.9GHz
Intel Core i3-2377M 1.5GHz
Intel Pentium Dual Core B940 2.0GHz
Intel Core 2 Duo P8800 2.66GHz
AMD APU A4-5000 Quad-Core
Intel Core i7-2860QM 4-Core 2.5GHz
Intel Core i7-4712MQ 4-Core 2.3GHz
Intel Core i7-4712HQ 4-Core 2.3GHz
Intel Core i7-4750HQ 4-Core 2.0GHz
Intel Core i7-3635QM 4-Core 2.4GHz
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 Variants--