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Gaming Performance Comparison
In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 750M SLI are very slightly better than the Nvidia GeForce GTX 765M.
The GT 750M has a 117 MHz higher core clock speed and the same number of Texture Mapping Units as the GeForce GTX 765M. This results in the GT 750M providing 7.5 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 117 MHz higher core clock speed and 16 more Render Output Units than the GeForce GTX 765M. This results in the GT 750M providing 17.3 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 GTX 765M was released less than a year after the GT 750M, and so they are likely to have similar driver support for optimizing performance when running the latest games.
The GT 750M has 2048 MB more video memory than the GeForce GTX 765M, 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 95.9 GB/sec greater memory bandwidth than the GeForce GTX 765M, which means that the memory performance of the GT 750M is massively better than the GeForce GTX 765M.
Both the GeForce GTX 765M and the GeForce GT 750M SLI have 768 Shader Processing Units. While the two GPUs have the same number of SPUs, the actual performance delivered by the GT 750M is 743 and by the GeForce GTX 765M is 743. 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 GTX 765M requires 65 Watts to run and the GeForce GT 750M SLI requires 80 Watts. The GT 750M requires 15 Watts more than the GeForce GTX 765M 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 GTX 765M.
|Mini Review||Overview |
GeForce GTX 760M is a Performance Mobile Graphics Card based on the first revision of the Kepler 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.
It equips a GPU Codenamed GK106-N14E-GE-B-A1 which has 4 Stream Multiprocessors activated and thus offers 768 Shader Processing Units, 64 TMUs and 16 ROPs. The Central Unit is clocked at 850MHz.
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 1002MHz.
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
With a rated board TDP of 65W, it is suited for large laptops.
Despite being underclocked, when compared to GeForce GTX 650 Ti, GeForce GTX 765M ends up performing better in most cases as fast since the Kepler Boost 2.0 Technology allows an even higher Central Unit Speed, which most times exceeds the 950MHz.
Gaming benchmarks indicate its performance is on average with the desktop GeForce GTX 650 Ti.
We recommend a Powerful Processor (Intel Core i7 Mobile) and 8GB of RAM for a system with GeForce GTX 765M.
|GeForce GT 750M SLI is a solution of two GeForce GT 750M put together using NVIDIA'S SLI technology. |
SLI relies a lot on proper driver support and may cause micro stuttering in FPS below 30. This means this combination might even perform worse than a single GT 750M.
The optimal performance it delivers is better than single GeForce GTX 675M and on the range of a GeForce GTX 675MX.
Therefore, this combination is sufficient for gaming at 1080p and most demanding games can be played at the highest settings.