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post #21 of 56 (permalink) Old 05-03-2018, 05:43 AM
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Quote: Originally Posted by lutjens View Post
Quote: Originally Posted by Kalm_Traveler View Post
I don't mind doing that either. Soldering is something I'm very comfortable with - had no issues adding the stacked shunt resistors on these Titan V's already [IMG class=inlineimg]/forum/images/smilies/smile.gif[/IMG]

Comparing the Tesla V100, Titan V, and Quadro GV100 (the pics of the Tesla and Quadro that I can find at least) they seem to be physically identical on the 'back' side as far as SMD's. I have not yet found any pictures of the 'top' side of the Tesla or Quadro but as most of the component pads are populated on the Titan V, I don't think the Tesla or Quadro can have much more than perhaps the SMDs to enable and utilize the 4th HBM stack which is disabled on the Titan.

If I really have to I might end up buying a pair of Quadro GV100's and just go that route but since I have no need for 64gb of VRAM and I love tinkering, I'd rather figure out what modifications need to be done to make NVLink work on the Titans.

Just need to find a helpful soul with a GV100 to pull the vBIOS with GPU-Z to confirm whether or not the BIOS is part of the mod necessary...
Also, keep in mind that the GPUs are actually different (although they're very similar) due to the extra VRAM. In GPU-Z, the GPU itself is identified as a 1DB1, where the GV100 has an 1DBA identifier. You could easily brick your TItan Vs trying to flash the GV100 BIOS to your cards if the BIOSes are different enough due to the slight GPU change to be incompatible.
True, nothing a hardware flasher can't fix though.

I'll flash one of them to see what happens, no need to brick both at once 😉

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post #22 of 56 (permalink) Old 05-04-2018, 06:44 AM - Thread Starter
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Quote: Originally Posted by Kalm_Traveler View Post
True, nothing a hardware flasher can't fix though.

I'll flash one of them to see what happens, no need to brick both at once 😉
PM sent...

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post #23 of 56 (permalink) Old 05-04-2018, 05:37 PM
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Just out of curiosity, how are the gaming performance on these GPUs?

Even at 4k or lower, are you seeing a big difference vs TITAN Vs? What about specperfview?

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post #24 of 56 (permalink) Old 05-05-2018, 07:59 PM - Thread Starter
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Quote: Originally Posted by Testier View Post
Just out of curiosity, how are the gaming performance on these GPUs?

Even at 4k or lower, are you seeing a big difference vs TITAN Vs? What about specperfview?
Never used the Titan V, but my very informal results at 4k seem to be on a par with and even maybe a bit faster than my Quadro P6000 SLI setup.

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post #25 of 56 (permalink) Old 05-05-2018, 08:18 PM
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Quote: Originally Posted by lutjens View Post
Never used the Titan V, but my very informal results at 4k seem to be on a par with and even maybe a bit faster than my Quadro P6000 SLI setup.
should be very very similar since everything is almost identical, save for much more VRAM, though the Quadro has 128 ROPs to the TItan V's 96 but I have no idea what that would affect in games.

Quadro GV100: Clock Speeds
GPU Clock
1200 MHz
Boost Clock
1447 MHz
Memory Clock
850 MHz
1700 MHz effective

Titan V: Clock Speeds
GPU Clock
1200 MHz
Boost Clock
1455 MHz
Memory Clock
850 MHz
1700 MHz effective

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post #26 of 56 (permalink) Old 05-05-2018, 11:35 PM - Thread Starter
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Quote: Originally Posted by Kalm_Traveler View Post
should be very very similar since everything is almost identical, save for much more VRAM, though the Quadro has 128 ROPs to the TItan V's 96 but I have no idea what that would affect in games.

Quadro GV100: Clock Speeds
GPU Clock
1200 MHz
Boost Clock
1447 MHz
Memory Clock
850 MHz
1700 MHz effective

Titan V: Clock Speeds
GPU Clock
1200 MHz
Boost Clock
1455 MHz
Memory Clock
850 MHz
1700 MHz effective
Quadro GV100:

Base clock:1132MHz
Boost clock: 1627MHz

As shown on my GPU-Z screenshot...

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post #27 of 56 (permalink) Old 05-06-2018, 07:12 AM
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Quote: Originally Posted by lutjens View Post
Quadro GV100:

Base clock:1132MHz
Boost clock: 1627MHz

As shown on my GPU-Z screenshot...
oh I just grabbed those specs from TechPowerup

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post #28 of 56 (permalink) Old 05-06-2018, 08:02 AM
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Alltough this way to expensieve for me, I wonder if the new linkbridge works in games acting as one GPU when several GPU's are linked.

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post #29 of 56 (permalink) Old 05-06-2018, 10:02 AM
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Quote: Originally Posted by lutjens View Post
Quadro GV100:

Base clock:1132MHz
Boost clock: 1627MHz

As shown on my GPU-Z screenshot...
Those are strange numbers. GPUZ says 1200 and 1455 on my V.. Thinking about grabbing a Quadro for the extra memory but don't want to lose too much performance. Any idea what the maximum effective clock you are getting is? Some applications only use 1455 on my Titan, others go up to 1845.

Quote: Originally Posted by Skinnered View Post
Alltough this way to expensieve for me, I wonder if the new linkbridge works in games acting as one GPU when several GPU's are linked.
Well, SLI is a supported technology over nvlink. I doubt an application that uses multi-gpu rendering outside SLI would benefit from the bandwidth provided by nvlink.
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post #30 of 56 (permalink) Old 05-06-2018, 10:41 AM
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Quote: Originally Posted by kimura84 View Post
Those are strange numbers. GPUZ says 1200 and 1455 on my V.. Thinking about grabbing a Quadro for the extra memory but don't want to lose too much performance. Any idea what the maximum effective clock you are getting is? Some applications only use 1455 on my Titan, others go up to 1845.



Well, SLI is a supported technology over nvlink. I doubt an application that uses multi-gpu rendering outside SLI would benefit from the bandwidth provided by nvlink.
That's a really good question - I am not aware of any rendering applications that utilize SLI, from what I've read it is almost exclusively used by games. However, since we have seen provable increase in gaming performance with say a 'high bandwidth' SLI bridge over a ribbon bridge it would stand to reason that an application coded in such a way as to be able to make use of NVLink's much greater bandwidth would likewise see an increase in performance, no?

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