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Active or Passive DisplayPort to HDMI Adapter for GTX 1070?

Go to solution Solved by Glenwing,

This is what is available:

 

Passive DP to HDMI adapters:

  • Type 1 DP to HDMI passive adapters support up to 4.95 Gbit/s. which is enough for 1920×1080 @ 60 Hz
  • Type 2 DP to HDMI passive adapters support up to 9.00 Gbit/s, which is enough for 1920×1080 @ 120 Hz, 2560×1440 @ 60 Hz, or 3840×2160 @ 30 Hz

Active DP to HDMI adapters:

  • DP 1.2 to HDMI 2.0 adapters support up to 18.00 Gbit/s, which is enough for 1920×1080 @ 240 Hz, 2560×1440 @ 144 Hz, or 3840×2160 @ 60 Hz

 

Passive adapters require DP++ support, active adapters do not; while DP++ is technically an optional feature, in practice all devices support it so you don't need to worry about that.

Hi all,

I recently purchased a used Zotac GTX 1070 (ZT-P10700I-10P) and it seems like a great card. I'll be using it in an HTPC system and, as such, will be hooking it up to a TV. The only issue I have is that the card doesn't have an HDMI 2.1 port, only 2.0b, and the only thing my TV (LG OLED55C7P) has is HDMI ports, and I'd really like to shoot for 4K above 60 FPS. I know the card cannot handle that in most modern titles, but it should in older source games and such. I was wondering if I could simply use a DisplayPort to HDMI adapter, as Displayport 1.4 works wonders for 4K video. I was wondering what type I would need, active or passive, as I am unable to find any information as to if the card even supports DP++, and what I could do if it did or didn't. What may help is it seems the card is just a different cooler on the Founder's Edition card. Again, my target is 4K over 60FPS. Thank you very much for your time.

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This is what is available:

 

Passive DP to HDMI adapters:

  • Type 1 DP to HDMI passive adapters support up to 4.95 Gbit/s. which is enough for 1920×1080 @ 60 Hz
  • Type 2 DP to HDMI passive adapters support up to 9.00 Gbit/s, which is enough for 1920×1080 @ 120 Hz, 2560×1440 @ 60 Hz, or 3840×2160 @ 30 Hz

Active DP to HDMI adapters:

  • DP 1.2 to HDMI 2.0 adapters support up to 18.00 Gbit/s, which is enough for 1920×1080 @ 240 Hz, 2560×1440 @ 144 Hz, or 3840×2160 @ 60 Hz

 

Passive adapters require DP++ support, active adapters do not; while DP++ is technically an optional feature, in practice all devices support it so you don't need to worry about that.

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2 minutes ago, Glenwing said:

This is what is available:

 

Passive DP to HDMI adapters:

  • Type 1 DP to HDMI passive adapters support up to 4.95 Gbit/s. which is enough for 1920×1080 @ 60 Hz
  • Type 2 DP to HDMI passive adapters support up to 9.00 Gbit/s, which is enough for 1920×1080 @ 120 Hz, 2560×1440 @ 60 Hz, or 3840×2160 @ 30 Hz

Active DP to HDMI adapters:

  • DP 1.2 to HDMI 2.0 adapters support up to 18.00 Gbit/s, which is enough for 1920×1080 @ 240 Hz, 2560×1440 @ 144 Hz, or 3840×2160 @ 60 Hz

So they don't have anything that will support over 60Hz 4k? Darn. I guess Ill just stick to HDMI then.

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4 minutes ago, nageorgiou said:

So they don't have anything that will support over 60Hz 4k? Darn. I guess Ill just stick to HDMI then.

There are no current versions of HDMI which support more than that, so it would not be possible. HDMI 2.1 is still under development (certification testing procedures have not been finished yet), so there are no devices with HDMI 2.1 yet, and there won't be for a long while. So there are no TVs or monitors with higher than HDMI 2.0, so there wouldn't be any point to such an adapter anyway.

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23 minutes ago, Glenwing said:

There are no current versions of HDMI which support more than that, so it would not be possible. HDMI 2.1 is still under development (certification testing procedures have not been finished yet), so there are no devices with HDMI 2.1 yet, and there won't be for a long while. So there are no TVs or monitors with higher than HDMI 2.0, so there wouldn't be any point to such an adapter anyway.

Oh, that explains a lot. I was wondering why I couldn't find specifications for my TV, Ill assume its HDMI 2.0. Thanks for your time.

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