Review of nvidia titan v shows great performance improvement on vulkan and dx12

Something that has been criticizing Nvidia's graphics cards is that under the low-level APIs DirectX 12 and Vulkan are one step behind their great rival AMD. This is because the Pascal architecture is much more focused on DX11 and does not give DX12 as much importance as AMD does with its architecture. This would have finally changed and the new Nvidia Volta architecture has taken a major step forward under DX12 and Vulkan. Nvidia Titan V video game performance.

Nvidia Titan V specifications

The Titan V is the first Nvidia graphics card for general consumption that is based on the Volta architecture, the card comes with the GV100-400 core that has spectacular specifications and shows that today Nvidia is unrivaled. This graphic core reaches a whopping 815 mm2 in size and houses a whopping 21.1 trillion transistors. Despite this, its TDP is only 250W, which makes it clear that Volta is extremely efficient with the use of energy along with its manufacturing process at 12 nm TSMC.

If we go deeper into its specifications we find 5120 CUDA Cores together with 320 TMUs and an unknown number of ROPs. It also has 640 Tensor Core, special cores to speed up the processing of neural networks of artificial intelligence up to 10 times. This core is accompanied by 12 GB of HBM2 memory with a 3072-bit interface and a bandwidth of 653 GB / s, almost nothing. This core operates at a base frequency of 1200 MHz and a turbo frequency of 1455 MHz.

With all these specifications the Nvidia Titan V is able to offer a precision power of FP32 of 15 TFLOPs, in the case of precision the FP64 amounts to 7.5 TFLOps and in the case of FP16 it amounts to 30 TFLOPs. In the case of artificial intelligence, its power is an impressive 110 TFLOPs. It is clear that Volta is an architecture designed for artificial intelligence, in video games the Tensor Core are not going to be used at all.

Nvidia Titan V video game performance

To analyze the performance of the Titan V in games we have used the tests of the GamerNexus guys, who have used the following test bench:

CPU	Intel i7-7700K 4.5GHz locked
Memory	GSkill Trident Z 3200MHz C14
Motherboard	Gigabyte Aorus Gaming 7 Z270X
Source of feeding	NZXT 1200W HALE90 V2
Storage	Plextor M7V Crucial 1TB
Chassis	Top Deck Tech Station
Heatsink	Asetek 570LC

Next we turn to see the different graphs of the results obtained.

Analysis of the results and final words about Nvidia Titan V in games

If we look closely at the graphics obtained we can easily reach two conclusions. The first is that the Volta architecture is designed for low-level APIs and asynchronous computation, the second conclusion is that the number of CUDA Cores of the Volta architecture is too large to be used efficiently in games based In DX11, this means that under this API the difference with the Pascal architecture is not very great.

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The guys at GamerNexus have seen that with overclocked the performance of the Nvidia Titan V in games programmed with DX 11 increases up to 20%, this figure is very bulky and much higher than what we are used to seeing. This shows that indeed these games cannot use that many CUDA Cores so Volta's potential is wasted.

Under DX11 the Nvidia Titan V fails to detach noticeably from the Titan Xp, even the GeForce GTX 1080 Ti blows in the back of the neck. A very different situation than what is seen with DX12 and Vulkan, in these cases the Titan V simply sweeps the rest of the cards with a margin that is up to 40% higher than the Titan Xp.

Such is Volta's improvement in low-level APIs that in 3D Mark Time Spy one Titan V performs better than two Radeon RX Vega 64 working in Crossfire, something impressive considering that these APIs have been the strong point of the architecture from AMD, which has dedicated hardware for asynchronous computing unlike Nvidia's Pascal architecture. We do not know if Volta also has this dedicated hardware, what we do know is that the leap forward in these APIs is very large.

Another point that we have to take into account is that the Nvidia Titan V is not optimized for video games, the drivers support it, but they do not include any optimization for the Volta architecture. This may also be a reason why in DX11 this card does not shine as much, since games based on this API are much more dependent on driver optimization than those based on DX12 and Vulkan. If Volta is capable of achieving these results without optimization we don't know what it will be able to do with it, Nvidia has done an impressive job.

Volta is an architecture designed for artificial intelligence and the professional sector, rumors suggest that it will not reach the gaming market, this honor will belong to the Ampere architecture, but what will Ampere be? Surely Ampere is Volta but without all the elements dedicated to artificial intelligence such as the Tensor Core, it is also very likely that the HBM2 memory will be replaced by the GDDR6 or even the GDDR5X.

This will make Ampere's die easier than Volta's by dispensing with everything related to artificial intelligence and which is of no use in video games. A simpler die implies a lower manufacturing cost and lower energy consumption, which will make Ampere better than Volta in video games.

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