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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 675M SLI Radeon HD 7750M
Halo: Reach 37% 143%
Cyberpunk 2077 172% 950%
Red Dead Redemption 2 98% 664%
Dragon Ball Z Kakarot 22% 371%
Call of Duty: Modern Warfare 98% 664%
Doom Eternal 70% 557%
Microsoft Flight Simulator 172% 950%
Grand Theft Auto VI 203% 1068%
FIFA 20 6% 307%
Need For Speed Heat 98% 664%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 675M SLI are massively better than the AMD Radeon HD 7750M.

The GTX 675M has a 45 MHz higher core clock speed and 96 more Texture Mapping Units than the Radeon HD 7750M. This results in the GTX 675M providing 61 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 GTX 675M has a 45 MHz higher core clock speed and 48 more Render Output Units than the Radeon HD 7750M. This results in the GTX 675M providing 30.5 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 Radeon HD 7750M was released less than a year after the GTX 675M, and so they are likely to have similar driver support for optimizing performance when running the latest games.

The GTX 675M has 3072 MB more video memory than the Radeon HD 7750M, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GTX 675M also has superior memory performance overall.

The GTX 675M has 128 GB/sec greater memory bandwidth than the Radeon HD 7750M, which means that the memory performance of the GTX 675M is massively better than the Radeon HD 7750M.

The GeForce GTX 675M SLI has 768 Shader Processing Units and the Radeon HD 7750M has 512. However, the actual shader performance of the GTX 675M is 952 and the actual shader performance of the Radeon HD 7750M is 250. The GTX 675M having 702 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 675M delivers a massively smoother and more efficient experience when processing graphical data than the Radeon HD 7750M.

The Radeon HD 7750M transistor size technology is 12 nm (nanometers) smaller than the GTX 675M. This means that the Radeon HD 7750M is expected to run slightly cooler and achieve higher clock frequencies than the GTX 675M.

The GeForce GTX 675M SLI requires 200 Watts to run and the Radeon HD 7750M requires 28 Watts. The GTX 675M requires 172 Watts more than the Radeon HD 7750M to run. The difference is significant enough that the GTX 675M may have an adverse affect on your yearly electricity bills in comparison to the Radeon HD 7750M.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed620 MHzvs575 MHz
Boost Clock-vs-
ArchitectureFermi GF114 (x2)GCN 1.0 Chelsea PRO
OC Potential None vs Good
Driver Support - vs Good
Release Date22 Mar 2012vs24 Apr 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - vs green tick
6.1
1600x900
9.3
green tick vs
4.8
1920x1080
7.3
green tick vs
3.4
2560x1440
5.3
green tick vs
2.4
3840x2160 - vs green tick
1.6

GPU Memory

Memory4096 MBvs1024 MB
Memory Speed750 MHzvs1000 MHz
Memory Bus512 Bitvs128 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth192GB/secvs64GB/sec
L2 Cache 0 KB vs green tick 256 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units768vs512
Actual Shader Performance46%vs12%
Technology40nmvs28nm
Texture Mapping Units128vs32
Texture Rate79.4 GTexel/svs18.4 GTexel/s
Render Output Units64vs16
Pixel Rate39.7 GPixel/svs9.2 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections0vs1
DVI Connections0vs1
HDMI Connections0vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power200 Wattsvs28 Watts
Recommended PSU--

GPU Features

DirectX11vs12.0
Shader Model5.0vs5.0
Open GL4.1vs4.4
Open CL-vs-
Notebook GPUyesyes
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-3610QM 4-Core 2.3GHzvsIntel Core i5-3210M 2.5GHz
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1600x900

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce GTX 675M SLI is a solution of two GeForce GTX 675M put together using NVIDIA'S SLI technology.
Check the page of GeForce GTX 675M to know more about its chip.
As usual, SLI relies a lot on proper driver support and may suffer from micro-stuttering in lower frame rates (below 30). Benchmarks indicate the performance is overall, about 35% better than a single GeForce GTX 675M performing by itself but at times (depending whether or not the 3D game supports SLI or in the graphics driver) it performed worse than a single GeForce GTX 675M.
Even the most demanding games will run at the highest settings.
Overview
Radeon HD 7750M is a Fast-Middle-Class Mobile Graphics Card based on the First revision of the GCN Architecture.

Architecture
The GCN Architecture succeeds the 40nm Terascale Architecture. In addition to being produced with a 28nm Technology, the GCN Architecture adds other Technologies that allow for energy efficiency. For example, ZeroCore Power, a long idle power saving technology, allows the Graphics Cards to shut down by itself when the Monitor is turned off.
GCN also adds Improved Anisotropic Filtering, DirectX 11 Tessellation and the Partially Resident Textures (PRT) Technology, which enables future games to utilize ultra-high resolution textures with the same performance as today's small and often repetitive textures.

GPU
It equips a GPU codenamed Chelsea PRO which has 8 Compute Units activated and thus offers 512 Shader Processing Units, 32 TMUs and 16 ROPs. The Central Unit Operates at 575MHz.

Memory
The GPU accesses a 1GB frame buffer of fast GDDR5, through a 128-bit memory interface. The size of the frame buffer is adequate. The memory clock operates at 1000MHz.

Features
DirectX 11.0 Support (11.0 Hardware Default) and support for Crossfire, PowerTune Technology, Eyefinity, App Acceleration, HD3D, ZeroCore Power and other technologies.

Power Consumption
With a rated board TDP of 28W, it is suited for 15" or larger laptops.

Performance
Gaming benchmarks put its on average with NVIDIA's GeForce GT 645M.

System Suggestions
We recommend a Decent Processor (Intel Core i5 Mobile) and 8GB of RAM for a system with Radeon HD 7750M.
Recommended CPU
Possible GPU Upgrades
N/A
N/A
GPU Variants
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