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I am developing a visualization using shaders and it is currently pushing the GPU Load on my NVIDIA GeForce GTX 970 to 100% (See GPU-Z screenshot below). I'm considering buying a laptop (for portability - as my current machine is a desktop) with an NVIDIA GeForce GTX 1050 - will it hold up under this load? Thank you!

enter image description here

UPDATE: For anyone doing a similar comparison, I am working in the currently limited space of finding a laptop with a touchscreen and a suitably powerful graphics card for my specs (above). Of those laptops available that use NVIDIA cards at the time I am asking this question (late April, 2019), all include the 1050 card except for the Microsoft Surface 2, 15" which uses a 1060. As it turns out, the 1060 performs slightly better than the 970 card I am currently using in my desktop, so has turned out to be the machine for my requirements.

  • You do understand that the GTX 1050, is worse in nearly imagable every way except for the clock, which isn't likely the source of your performance issues? – Ramhound Apr 26 '19 at 18:55
  • @Ramhound - I didn't, that's why I asked. ;) – gromiczek Apr 26 '19 at 19:37
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will it hold up under this load?

A GTX 1050 will perform worse than the GTX 970.

The GTX 1050 has a boost clock of 1518 MHz while the GTX 970 has a boost clock of 1178 MHz. The difference between these two frequencies is not enough to bring a huge performance boost due to a GPU clock being faster.

The GTX 970 has a Pixel 54.6 GP/sec and Texture 109.2 GT/sec vs the GTX 1050 which has Pixel 33.4 GP/sec and Texture 66.8 GT/sec. Additionally, the 970 GTX, has 1 GB more GDDR5 than the GTX 1050.

Since your workload already requires more than 3 GB VRAM, the GTX 1050 with less memory, would perform worse by this metric alone.

The GTX 970 has 3494 GFLOPS SP and 109 GFLOPS DP. The GTX 1050 has 2138 GFLOPS SP and 66 GFLOPS DP. So depending on your workload, which you don't provide an adequate description of, the GTX 1050 would perform worse by this metric alone.

The 2240 GB/sec memory bandwidth of the GTX 970 compared to the GTX 84 GB/sec memory bandwidth of the GTX 1050 will make a huge difference.

Conclusion: The GM204 brings better performance in nearly every way compared to the GP107-300-A1

Source:

  • The GTX 1050 is an overpriced bargin bin GPU in my opionion that would only be a good replacement for an old bargin bin GPU. – Ramhound Apr 26 '19 at 19:01
  • Is the GTX 1060 much better? I'm in the bind of looking for a portable touchscreen (likely a laptop) with a powerful enough graphics card to run my visualization. Thanks for your help and perspective! – gromiczek Apr 26 '19 at 20:18
  • @gromiczek - Nvidia provides the specifications for all their GPUs. All the analysis I performed was based on a wikipedia table and the specifications of the cards. You made no mention of these devices being in a laptop. The performance delta will be even greater. 1060 is also a bargain bin GPU compared to your medium high-end 970. – Ramhound Apr 26 '19 at 20:35
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I seriously doubt that you can achieve a dramatic increase in performance by buying another laptop, not the least because of the power requirements involved in running a high-end video card. For your needs a desktop is probably better suited.

I understand that you need much better performance and more video RAM. The good news is that these two parameters are usually interdependent.

A very good resource for comparative speed of GPUs is the PassMark High End Video Card Chart.

You will see there that the GeForce GTX 980 is evaluated at 11,387 operations. I note that the GeForce GTX 1050 is rated as 4,689, which is much worse than your current GPU.

To get 50% more performance, you will need to go to around 17,000 operations, which will place you above the level of an GeForce RTX 2080, priced at $680.

To get 25% more performance, you will need to go to above 14,000 operations, which will place you above the level of an GeForce GTX 1080 Ti, priced at $800. Since the Ti models have a large amount of memory, you might get an even better improvement.

I reproduce the relevant part of the chart below:

enter image description here

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