Hardware Unboxed: Why No ReBAR Testing?

[tommybhoy]

edit Rebar starts @16.30

Steve wasn't looking his usual 'couldn't give a Castlemain XXXX' self!

He contradicts his own data a few times too.

Just say it Steve, like RT'ing, it gives one vendor an advantage!

How you can test one vendors feature set(DLSS) but not one of AMD's feature set(SAM), doesn't shine you in the brightest light, imo it's stubbornness over bias.

 

[tommybhoy]

In terms of gaming, yes it can be the difference between winning and losing @arc@css

@gpuerrilla exactly, if you can retest with DLSS to show advantage to one vendor, you should be showing AMD's SAM advantage- you turn it on in the bios, most of Steve's viewers know how to turn it on, it's not as if you have to make multiple SS comparisons to pixel peep, it's like for like.

 

[tommybhoy]

He answered why. Rebar doesn't help in every situation, it's not a fire and forget setting, DLSS (AFAIK) is. Quality aside, which they've pulled it up on many times before. AFAIK, rebar is only enabled/disabled in bios, which means it's far more faff to turn on/off than say DLSS. I wouldn't start messing about with rebar if I go from one game that favours it to another that hates it, I'd pick an option and stick with it.

That said, if they're testing a singular game, like when they did Battlefield or Halo, then I do think they should include some rebar testing to show whether the game benefits or not from it. Then people can make up their own mind

I run Nv Rebar enabled.

It's enabled/disabled driver side by Nv game dependant.

If it works it's enabled if it doesn't it's disabled.

Its that simple, I'm never going to disable extra performance when I don't have to do anything past enabling it one time in the bios.

I'm clearly not Steve and I don't run AMD, but you can turn it on/off in the AMD CP, I imagine you can set game profiles to automate the process, but again I'm not Steve and wouldn't know that.

 

[tommybhoy]

TIL. Didn't think it could be enabled/disabled in Windows. It's that in GeForce experience or Nvidia control panel? I'd imagine AMD have something similar. Unfortunately my 580 system can't use rebar so I don't know.

Nvidia Rebar, it's fully automatic once enabled in bios, there is zero user input-unless you want to delve deaper and manually switch it on/off with NvInspector.

Amd CP for Sam is a simple universal toggle switch or save game profiles.

 

[tommybhoy]

Not even sure why this is a topic of conversation.

Resize bar testing should be done across the board.

Making Nvidia look bad.... well Nvidia turn it on or off in the drivers so in theory it is is of benefit to Nvidia in game it will be on if it regresses performance it will be off.

I am cool with fact that resize bar in a game which Nvidia has it turned off gives AMD an advantage. That's fine. That's Nvidia issue to address as far as I am concerned.

As long as any tests are done across AMD / Intel CPUs with both AMD and Nvidia GPUs then I think everything is fair game.

I have resize bar turned on as standard for example.

Great objective post, my thoughts exactly.