samuraijack1111
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Re: Nvidia HB SLI Bridge
2016/06/21 08:15:56
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I should reiterate that I went from ribbons to the hb bridge :P 4K max settings, max AA, running 66fps min, and in games like grid autosport around 130-140 fps. Buttery smooth experience here. Just imagine once we get a few more driver versions in... Very Very Impressed.
post edited by samuraijack1111 - 2016/06/21 08:30:25
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RandyRick
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Re: Nvidia HB SLI Bridge
2016/06/21 09:02:38
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CoercionShaman
https://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_1080_SLI/1.html
If I read that benchmark right. benchmarking a new HB bridge vs a single old ribbon bridge yielded NO improvement in the limited tests he did, even at 4k resolution. for his tests. ymmv I know samuraijack reported improvements with the HB bridge.
post edited by RandyRick - 2016/06/21 09:19:17
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samuraijack1111
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Re: Nvidia HB SLI Bridge
2016/06/21 09:16:03
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there is a link in the comments of this article posted that also goes against the article itself, explaining that the HB bridge was shown to imrove on that fire strike benchmarking tool. his results were standard bridge 26 101 HB Bridge 27 960 so I am not alone.
post edited by samuraijack1111 - 2016/06/21 09:18:04
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RandyRick
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Re: Nvidia HB SLI Bridge
2016/06/21 09:20:30
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ya. I editted my comment to read - in the limited tests he did -
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EVGA_JacobF
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Re: Nvidia HB SLI Bridge
2016/06/21 09:22:00
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HB bridge improves primarily frametimes/frame pacing (not necessarily framerate) at higher resolutions.
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RandyRick
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Re: Nvidia HB SLI Bridge
2016/06/21 09:23:55
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The EVGA HB 2 and 4 space bridges are available in the store now, with auto-notify buttons for the 0 and 1 space bridges.
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Athlonxp2400
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Re: Nvidia HB SLI Bridge
2016/06/21 09:24:44
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but the difference from the LED vs. hb? has anyone tried?
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brentsg
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Re: Nvidia HB SLI Bridge
2016/06/21 09:30:04
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EVGA_JacobF
HB bridge improves primarily frametimes/frame pacing (not necessarily framerate) at higher resolutions.
Thanks for the comment on this. I'd speculated this and read similar speculation, but hadn't seen any official word or test.
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EVGA_JacobF
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Athlonxp2400
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Re: Nvidia HB SLI Bridge
2016/06/21 09:40:21
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Ok ribbon vs hb.. But led vs hb? Benck ?
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wsarahan
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Re: Nvidia HB SLI Bridge
2016/06/21 10:02:14
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The evga hb bridge was released today, but no shipping to Brazil, Jacob can you send one for me? I can pay by PayPal or credit card, or someone with a good soul can send me one? The model that I need is this one : EVGA PRO SLI BRIDGE HB (2 Slot Spacing) P/N: 100-2W-0027-LR http://www.evga.com/produ...aspx?pn=100-2W-0027-LRTks
post edited by wsarahan - 2016/06/21 10:06:12
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ix400
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Re: Nvidia HB SLI Bridge
2016/06/21 10:03:48
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... and no shipping to germany :-(
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Sajin
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Re: Nvidia HB SLI Bridge
2016/06/21 10:28:59
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Charnelrot
I just got my SLI HB bridge this morning for my two 1080's. I was using two ribbon cables before I got this. Ran firestrike ultra a few times and it doesn't seem to make any difference whatsoever! Looks better though :P
Called it in post #120. 
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xixou
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Re: Nvidia HB SLI Bridge
2016/06/21 10:42:54
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the_Scarlet_one
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Re: Nvidia HB SLI Bridge
2016/06/21 10:43:51
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Sib3riX
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Re: Nvidia HB SLI Bridge
2016/06/21 10:57:27
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When will you get those bridges for EUROPE???????
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samarlian
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Re: Nvidia HB SLI Bridge
2016/06/22 01:57:14
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sleekblackroadster
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Re: Nvidia HB SLI Bridge
2016/06/22 11:22:25
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So still no good metrics on any of this very troubling product release? Where are the 1 ribbon or 2 ribbon, 1 led or 2 led, vs HB complete comparisons.
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samuraijack1111
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Re: Nvidia HB SLI Bridge
2016/06/22 20:12:02
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the specs have been on the internet since release of the 1080. I suggest reading the Nvidia White Paper. Also I was almost knocked off my spot by this guy .... 
post edited by samuraijack1111 - 2016/06/22 20:19:23
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XrayMan
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Re: Nvidia HB SLI Bridge
2016/06/22 20:16:34
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samuraijack1111
the specs have been on the internet since release of the 1080. I suggest reading the Nvidia White Paper.
Link?
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samuraijack1111
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Re: Nvidia HB SLI Bridge
2016/06/22 20:26:36
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RandyRick
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Re: Nvidia HB SLI Bridge
2016/06/22 21:51:43
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samuraijack1111
Jacob has already pointed to this
starts at page 28
http://international.down...0_Whitepaper_FINAL.pdf
I've seen that paper. And it is not clear (in the beginning and at other points) when they say 'old bridge' if they are just referring to the ribbon bridge or also to the LED bridge which they admit runs at the 650mhz speed. Its also not clear if they are using 2 'old' bridges or a single bridge. The spikes make me wonder how the data rate can spike up to double the sustained rate. So I wonder what those spikes are? electrical noise or truly data rate? I would also like to see a schematic of the signal and data lines of the new bridge to compare to the old. An early presentation implied that there was more to the HB bridge than just double the data lines of a single bridge. I don't mind being positioned for future technologies. In fact, that is good. Jacob said HB bridge improves primarily frametimes/frame pacing (not necessarily framerate) at higher resolutions. Which I may not know enough about how SLI works to understand.... but I'm learning.
post edited by RandyRick - 2016/06/22 21:58:54
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bsoder
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Re: Nvidia HB SLI Bridge
2016/06/22 23:01:37
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Out of curiosity, can you use the new HB bridges with older 900 series cards? Titan X, 980ti, etc?
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Sajin
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Re: Nvidia HB SLI Bridge
2016/06/23 00:40:23
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ipkha
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Re: Nvidia HB SLI Bridge
2016/06/23 01:27:36
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It's been said multiple times, LED bridges can run at the higher speed. HB bridges have twice the through the of LED bridges due to connecting both SLI fingers. Anything over 2560x1440 @60hz benefits from HB bridges. Jacob from EVGA stated it comes down to frame pacing. The higher bandwidth gets frames from the second GPU faster. Less of that micro stutter people are complaining about.
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RandyRick
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Re: Nvidia HB SLI Bridge
2016/06/23 05:59:31
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ipkha
It's been said multiple times, LED bridges can run at the higher speed. HB bridges have twice the through the of LED bridges due to connecting both SLI fingers. Anything over 2560x1440 @60hz benefits from HB bridges. Jacob from EVGA stated it comes down to frame pacing. The higher bandwidth gets frames from the second GPU faster. Less of that micro stutter people are complaining about.
Unanswered. what are they comparing in the test referenced? 1 HB bridge vs old what? a) 1 ribbon bridge b) 2 ribbon bridges c) 1 650mhz old led bridge d) 2 650mhz old led bridges.
post edited by RandyRick - 2016/06/23 06:17:01
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ipkha
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Re: Nvidia HB SLI Bridge
2016/06/23 06:28:06
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If you read the paper, they show a chart for "old bridge" (Ribbon or Hard) up to 25x14 30hz, "Led bridge" up to 4k, and HB for 4k and up.
Original bridge runs at 400mhz and can transfer full frames over bridge to primary card up to 25x14 at 60hz.
LED bridges connect 1 finger at 650mhz with pascal only. Can transfer the full frame up to 4k.
HB connects both fingers at 650mhz and can transfer full frames up to surround.
Spikes are caused when transfers occur over PCI-Europe instead of exclusively through bridge. PCI-E traffic has extra latency as it has to transit the memory controller in CPU. This added latency causes the micro stutter when the frame doesn't make it in time for refresh.
The interview by pcper has more details on this. The HB bridges is essentially two LED bridges connecting both fingers.
I hope this answers your questions.
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sleekblackroadster
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Re: Nvidia HB SLI Bridge
2016/06/23 09:00:58
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We have all the information Nvidia has offered. It's just obviously incomplete and misleading information.
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samarlian
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Re: Nvidia HB SLI Bridge
2016/06/23 09:04:37
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justin_43
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Re: Nvidia HB SLI Bridge
2016/06/23 15:56:40
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Just got my 4 slot. Wow this thing is big. I love it. It looks awesome. 
ASUS RTX 4090 TUF OC • Intel Core i7 12700K • MSI Z690 Edge WiFi • 32GB G.Skill Trident Z • EVGA 1600T2 PSU 3x 2TB Samsung 980 Pros in RAID 0 • 250GB Samsung 980 Pro • 2x WD 2TB Blacks in RAID 0 • Lian-Li PC-D600WB EK Quantum Velocity • EK Quantum Vector² • EK Quantum Kinetic TBE 200 D5 • 2x Alphacool 420mm Rads LG CX 48" • 2x Wasabi Mango UHD430s 43" • HP LP3065 30" • Ducky Shine 7 Blackout • Logitech MX Master Sennheiser HD660S w/ XLR • Creative SB X-Fi Titanium HD • Drop + THX AAA 789 • DarkVoice 336SE OTL
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