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DCS and Pimax


Wags

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Yes, it worked for me straight out of the box. However, with the price drop on the Rift, i think it represents better value.

As for the 75hz limit. The PC`s Pimax demonstrates on, only has DP 1.3, witch limits output to 75hz, so this is not related to the limit of the Pimax.

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Well, the Rift has head tracking that is much better. The color gamut on the Rift is also better.

 

However, if you ask my advice, only the Pimax 8k is interesting among the new headsets. If you are prepared to take a risk, get in now. If you are the careful type, wait for reviews on the production model.

 

If it lives up to expectations, it will blow everything out there out of the water.

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Pimax just posted a DCS video, make of it what you will.

 

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Some answers on Hz

 

Dear Man_S,

Sorry for the later response since it’s sunday evening in China.

Recently, our hardware core team are focusing on build new V4 prototype. So we ask our Co-CEO Nordic lead the NYVR roadshow. Nordic and our FAE are all software background. But the refresh rate feature mainly relate to hardware and firmware. Their expression might be insuffient or inaccurate. So there’s some misunderstanding. let’s try to explain more details regarding the refresh rate.

 

Without “brain-warp”

Our HW system support 90Hz, including the bandwidth of DP \processor\ driver IC. As you know, our orinigal solution is 2*HDMI. And then we moved to 1*DP. Big difference between these two solutions. The games can run at 90Hz on previous solution. But not so stable, sometime we have to spend ~1 hour to set up the demo kit. Unfortunately, the stability of high rate (>85Hz) is a little bit worse in the new DP solution in V3 prototype. So we decide to lower the refresh rate to 75Hz for the new public demos. And do more internal test from 75Hz to 85Hz. Up to now, the 82Hz is pass the initial test standard. And now we’re try to optimze on 85Hz. then we will do more compatibility and stability test. Since 90Hz is the upper limit of the whole system. Several hardware reasons might make the refresh rate drop: the clock rate, cable length, display adapter FPC, EMI desense issue. Contact impedance from different Video Card’s DP connectors .......

The stability is much important,because our HMD should work out of box in thousands of computes condition. So we need do more optimzation in HW design and more compatible test. Then we can give a clear answer.

 

With “Brain-warp”

The refresh rate is important to VR experience, meanwhile it is challenging to system architecture. That’s why Pimax will bring Brain-warp to our consumers. This technology will definitely double the refresh rate to get much less MTP.

All games can run 120Hz-180Hz if your GPU could support. You can enable or disable the Brain-warp function after the performance test when you get the HMD.

If you enable brain warp feature, you don’t need care about 5Hz or 8Hz drop of the refresh rate.

 

MTP = senor reponse time+ GPU rendering time + 1/refresh rate + display switch time

The refresh rete is one fact of the MTP. Not all facts. There’re many other solutions could get good MTP performance. Including ATW\ASW\BrainWarp.

 

 

 

 

someone had posted this onthe kickstarter 4 days ago

i thought it was weird at the time but seems very relevant now. Im pretty sure the nvidia 10 series cards all use DP 1.4 so you may be worried for nothing

 

4 days ago

@Aura Rowe

I did a bit of calculating for you based on > https://de.wikipedia.org/wiki/DisplayPort#Daten.C3.BCbertragungsratenDP 1.4

7.680 × 4.320 × 60 = 1990656000 Pixel/sec

DP 1.2

3.840 × 2.400 × 60 = 552960000 Pixel/sec

Pimax 8K

2*2560 × 1440 × 90 = 663552000 Pixel/sec

2*2560 × 1440 × 75 = 552960000 Pixel/secAs you can see DP1.2 just has enough bandwidth to transfer 2*2K@75hz. So this might be the reason for this headset to work with both (90 and 75hz) - to be backwards compatible.

I don't know how their upscaler works, but you could also use a lower resolution like 2048*1152 which would work fine with DP1.2 @90hz.

Maybe they are still working on that resolution being upscaled properly which would explain why they don't comment on this atm. The bottom line is that you should prepare for playing either @75hz or buying a new GPU.

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Pimax just posted a DCS video, make of it what you will.

 

 

Nice

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Im not sure what to make of it. Why is the view so zoomed out in the Su25T at the start/middle?

 

Could be because that guy never plays DCS (evident from the lawn dart maneuver) and is zoomed all the way out then in and out trying to adjust ....

 

 

Although it's the same here ?

 

Assetto Corsa In Pimax 8K HMD

 


Edited by Hellcat

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I think because fov of 200 we see on screen so wide but he see it normal,

 

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I sold my rift a couple of weeks ago to put some pennies in the pot towards a new vr so I am very excited I willing to buy just for DCS only like many others here but I will wait and see how it pans out but good times ahead hopefully for all of us but if the **** hits the fan then will pick up another rift or vive.

 

Also can you just imagine elite dangerous with that field of view I remember the first time I showed my brother and his partner they looked at a planet my younger brother said w.t.f :thumbup: any vr head set is worth owning just to see other peoples reactions.

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the Whole DisplayPort 75Hz thing,

 

DP1.3 and 1.4 have the same upper limits, expecially in regards to dual 4K Screens, or output.

 

HDMI would be worse.

Max Refresh for two 4K Displays on DP1.3/1.4 is still 60Hz,

 

If the 8K unit's Refresh is 75Hz, then they are indeed taking a lower res image (1440p per screen) and up-sampling it to 4K per screen.

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Little error on my part. The DP they used was 1.2.

 

DP 1.2 should still be more than enough.

 

the PiMax 8K still only accepts a 5120 × 1440 signal and upscales.


Edited by SkateZilla

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Since I havent seen it mentioned:

 

Oculus Rift $399:

2160x1200 (1080x1200 Per Eye), 2x 90Hz Overcranked Displays, 110° FoV

 

Pimax 5K $399 (KS Reward):

5120x1440 (2560x1440 Per Eye), 2x 75Hz Displays, 200° FoV

 

Pimax 8K $499 (KS Reward)

7680x2160 (3840x2160 Per Eye), 2x 75Hz Displays, 200° FoV

*Upsampled from 5120x1440)

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What about some already available VR, except VIVE / Rift ?

Is there any ?!

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What about some already available VR, except VIVE / Rift ?

Is there any ?!

 

 

googlecardboard_thumb800.jpg

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What about some already available VR, except VIVE / Rift ?

Is there any ?!

 

There are some Windows VR headsets available. The best one should be the Samsung Odyssey that begins shipping next Monday. On paper it it surpasses the Rift and Vive on all fronts. I’ll let you know when mine arrives.

The Pimax 8K and 5K won’t be out until next year some time. I am skeptical about the Pimax, having owned the 4K (which sucked on all fronts).

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Smooth like butter.

 

 

I made a good choice I believe.

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