Vulkan in Rainbow Six Siege Tested - A major boost for modern graphics cards

Conclusion - Is Vulkan the new API of choice for Rainbow Six: Siege?

Vulkan in Rainbow Six Siege Tested - A major boost for modern graphics cards

Conclusion - Is Vulkan the new API of choice for Rainbow Six: Siege? 

After testing eight graphics cards across five graphics architectures, we know that Rainbow Six: Siege doesn't see universal benefits from using the Vulkan API. That said, a majority of our tested graphics cards achieved higher framerates under the API, making its use a must for users of modern graphics architectures.

On AMD/Radeon graphics hardware, Rainbow Six: Siege players should see significant boosts to game performance. We found that using the Vulkan API had a larger impact on average framerates than 99th percentile framerates, but that performance benefits were achievable on all tested AMD graphics architectures. Polaris, Vega and RDNA hardware all benefitted from the change, and these performance boosts should also apply to older GCN graphics cards from AMD, assuming they have enough VRAM. 

For Nvidia users, things are a lot more complex. Pascal series graphics cards saw marginal performance changes, with small boosts to average framerates in most cases and marginally lower 99th percentile framerates. The main conclusion here is that Siege's Vulkan performance is nigh identical to the game's DirectX 11 performance on Pascal series Nvidia graphics cards. This means that the only real benefit of Vulkan for Pascal users is the game's newly added support for Variable Resolution Scaling. 

Nvidia's Turing series graphics cards see much larger benefits from using the Vulkan API in Rainbow Six: Siege, seeing notable performance boosts across all resolutions. Both 99th percentile and average framerates see significantly increased, making the API a no-brainer for users of Nvidia's latest hardware.  

When looking at our data, one point is clear. Using the Vulkan API has no negative impact on Rainbow Six any of the graphics cards that we tested. Yes, the game's performance on Nvidia's Pascal hardware is marginally different, but performance differences of 2 or fewer FPS are small enough to be dismissed. Looking at things practically, Pascal users receive nigh identical game performance when using Vulkan, but gain support for a great feature with Dynamic Resolution Scaling. 

If you are using a modern Nvidia graphics card or any Vulkan-compatible AMD graphics card, you should see a performance boost when playing Rainbow Six: Sieve with the Vulkan API.  
 
You can join the discussion on Rainbow: Six: Siege's Vulkan performance on the OC3D Forums

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Most Recent Comments

29-01-2020, 13:46:30

NeverBackDown
Just wanted to say. THANK YOU for including the GTX 1080 in the benchmark. You'd be surprised how many reviews go live these days without including this card despite it's popularity...


Other than that based off my 2 runs of DX11/Vulkan with my GTX 1080, I came to the same conclusion, but holy moly what a difference Vulkan makes for everything else!
We were CPU limited before and that 2080ti basically gained 30 FPS at 1440p. That's insane.

What is even more interesting, is Ubisoft said in their testing of Vulkan vs DX12, Vulkan offered better CPU performance. I'm not surprised with a 2080ti making that big of a jump. This is probably one of if not the best modern API implemnation in any game. Seems to be stable too.

I will stick to DX11 with my GTX 1080, just for sake of stability, but if they can continue to improve then I will switch over eventually.Quote

29-01-2020, 13:52:10

AngryGoldfish
That's a huge performance jump. It makes me wonder why more developers don't use Vulkan. It seems to be consistently a good performer. There are a couple of outliers if I remember rightly, but generally it's been consistent for developers to eek out the most from their engine.Quote

29-01-2020, 13:53:07

Warchild
Quote:
Originally Posted by NeverBackDown View Post
Just wanted to say. THANK YOU for including the GTX 1080 in the benchmark. You'd be surprised how many reviews go live these days without including this card despite it's popularity...


Other than that based off my 2 runs of DX11/Vulkan with my GTX 1080, I came to the same conclusion, but holy moly what a difference Vulkan makes for everything else!
We were CPU limited before and that 2080ti basically gained 30 FPS at 1440p. That's insane.

What is even more interesting, is Ubisoft said in their testing of Vulkan vs DX12, Vulkan offered better CPU performance. I'm not surprised with a 2080ti making that big of a jump. This is probably one of if not the best modern API implemnation in any game. Seems to be stable too.

I will stick to DX11 with my GTX 1080, just for sake of stability, but if they can continue to improve then I will switch over eventually.
Thats seriously nuts. I'd expect a few % increase, but not double figures.Quote

29-01-2020, 14:10:24

NeverBackDown
Quote:
Originally Posted by AngryGoldfish View Post
That's a huge performance jump. It makes me wonder why more developers don't use Vulkan. It seems to be consistently a good performer. There are a couple of outliers if I remember rightly, but generally it's been consistent for developers to eek out the most from their engine.
It takes a lot of work to rewrite an entire pipeline and getting the same stability, performance, etc. Lack of tools and support out there as well. However as time goes on it grows and therefore will gain popularity.

Quote:
Originally Posted by Warchild View Post
Thats seriously nuts. I'd expect a few % increase, but not double figures.
That's the joy of reducing CPU cycles for needless things. Speeds everything up considerably!Quote

29-01-2020, 14:12:03

Warchild
im curious now how from a pure gaming perspective AMD holds up against Intel. Since Intel still has that edge.

Talking about if Vulcan was widely adopted.Quote
Reply
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