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CrazyGPU on 21 February 2018
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Pemalite said: 
Intrinsic said:

 Not all TFs are the same. Basically, 6TF in whatever GPU architecture used in 2020 will be better than the 6TF found in the polaris architecture today. And this is something else a lot of posters here aren't taking into consideration.

And it annoys me to no end.

 

CrazyGPU said:

I will add that also, in doing what you are explaining, they can perfectly run 1/4 th of the cores and mantain compatibility with PS4 if the hardware is close enough. As they did with PS4 pro. I think this time it will be a brand new architecture.

Or. They could simply not and use some extra performance to... I dunno. Let games run better? Xbox does it.

If the GPU ISA has deviated significantly from the GCN chip in the Playstation 4, they can use the power of abstraction to negate any compatibility issues.

Just for clarifying with Intrinsic.

 In gaming when most people speaks about flops comparing gaming gpus, a flop is a 32 bit single precision floating point operation. And that´s now, 10 years ago and in the future, heheh. Teraflops doesn´t change, they are a measure, like meters, or grams. Hehehe yes, it´s annoying to think about changing Tf. Like Pemalite says. A teraflop is 1000 billons of flops operations. If you have to do 3,2 x 2,2. It is a flop operation. If you you have to do 3 x 2 is an integer operation. 

Most companies use Tf for marketing. Switch was marketed as a 1 Teraflops machine, but that was misguided, cause they were using 16 bit precision numbers for calculating the number of operations. While it is correct mathematically, if everybody compares 32 bit numbers, speaking about 16 bit performance without saying that they are using other bit chain is kind of cheating. 

When comparing Scientific computing or high performance computing (HPC). Computers consisting in hundred of thousands of cores, or even millons they usually talk about performance with double precision 64 bit operations.

 

Now on the other subject. Of course they can. Actually in the beggining they dissabled half ps4 GPU to mantain compatibility, but then they add ps4 pro mode, and recently supersampling for running games better in 1080p screens on the pro. So yes, they have plenty of choises if they have enough Tf.