Gaming Performance Comparison
In terms of overall gaming performance, the graphical capabilities of the AMD Radeon HD 8750M are significantly better than the Nvidia GeForce GT 540M.
The GeForce GT 540M has a 52 MHz higher core clock speed than the Radeon HD 8750M, but the Radeon HD 8750M has 8 more Texture Mapping Units than the GeForce GT 540M. As a result, the Radeon HD 8750M exhibits a 4.1 GTexel/s better Texture Fill Rate than the GeForce GT 540M. 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 540M has a 52 MHz higher core clock speed than the Radeon HD 8750M, but the Radeon HD 8750M has 4 more Render Output Units than the GeForce GT 540M. As a result, the Radeon HD 8750M exhibits a 2.3 GPixel/s better Pixel Fill Rate than the GeForce GT 540M. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.
The Radeon HD 8750M was released over a year more recently than the GeForce GT 540M, and so the Radeon HD 8750M is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the GeForce GT 540M.
The Radeon HD 8750M has 1024 MB more video memory than the GeForce GT 540M, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the Radeon HD 8750M also has superior memory performance overall.
The Radeon HD 8750M has 35.2 GB/sec greater memory bandwidth than the GeForce GT 540M, which means that the memory performance of the Radeon HD 8750M is noticeably better than the GeForce GT 540M.
The Radeon HD 8750M has 384 Shader Processing Units and the GeForce GT 540M has 96. However, the actual shader performance of the Radeon HD 8750M is 253 and the actual shader performance of the GeForce GT 540M is 129. The Radeon HD 8750M having 124 better shader performance and an altogether better performance when taking into account other relevant data means that the Radeon HD 8750M delivers a noticeably smoother and more efficient experience when processing graphical data than the GeForce GT 540M.
The Radeon HD 8750M transistor size technology is 12 nm (nanometers) smaller than the GeForce GT 540M. This means that the Radeon HD 8750M is expected to run slightly cooler and achieve higher clock frequencies than the GeForce GT 540M.
The Radeon HD 8750M requires 20 Watts to run and the GeForce GT 540M requires 35 Watts. The GeForce GT 540M requires 15 Watts more than the Radeon HD 8750M to run. The difference is not significant enough for the GeForce GT 540M to have a noticeably larger impact on your yearly electricity bills than the Radeon HD 8750M.
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| Mini Review | Overview
Radeon HD 8750M is a Fast-Middle-Class Mobile Graphics Card based on the Second Revision of the GCN Architecture.
Architecture
The GCN 1.1 Release adds support for AMD's TrueAudio Technology which does calculations of audio effects "better" than the CPU and further improves the Powertune Technology.
GPU
It equips a GPU codenamed Mars PRO which has 6 Compute Units activated and thus offers 384 Shader Processing Units, 24 TMUs and 8 ROPs. The Central Unit Initially Operates at 620MHz and goes up to 775MHz, 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 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 20W, it is suited for 13" or larger laptops.
Performance
Gaming benchmarks put its performance somewhat above NVIDIA's GeForce GT 640M.
System Suggestions
We recommend a Decent Processor (Intel Core i5 Mobile) and 8GB of RAM for a system with Radeon HD 8750M. | | | | Overview
GeForce GT 540M is a middle-class Mobile Graphics Card based on the first 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 GF108 which has 2 Stream Multiprocessors activated and thus offers 96 Shader Processing Units, 16 TMUs and 4 ROPs. The Central Unit is clocked at 672MHz.
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, 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 540M is essentially a fast GeForce GT 435M.
Gaming benchmarks put its performance only slightly below a desktop GeForce GT 430.
System Suggestions
We recommend a modest processor (Intel Core i3 Mobile) and 4GB of RAM for a system with GeForce GT 540M. |
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