Dicehunter

On the stock 780 Ti bios I can easily get 1200/3800 stable but with this bios I can only get 1100/3600 :-/

Well I have decided to go with the Asus GTX 780 Direct CU II as a replacement of my old GTX 580 sli. Now I am considering upgrading my motherboard from 1366 to 1150 (Asus Maximus IV Hero) and i7 980x to i7 4770k. Is that a good idea or i should just stick with the i7 980x.

The 4770K is better but the 980x is still a good chip, Heres a benchmark table comparing the two.

AnandTech | Bench - CPU

As you can see the 4770K beats it in 95% of tests.

If money is no issue go with the ti, otherwise the 780 and overlock it for ti performance.

There's a problem with that, You see the 780 and 780 Ti have different physical/technical specs -

GTX 780 shader units = 2304, GTX 780 Ti Shader units = 2880

GTX 780 memory clock = 6008mhz, GTX 780 Ti memory clock = 7000mhz

There is no way a 780 can stand up to a "TI" version as it is physically impossible, I know as I have both cards at my disposal plus many benchmarks online will prove this.

If you want the best, Get a GTX 780 Ti, If you want the best bang for the buck, Get the standard 780.

I tried Skyn3ts bios the day I got my 780 ti *Didn't know SVL7 had one out yet* and for some reason I could get better overclocks with the stock vbios than with his lol

I'll try SVL7 vbios as I know his are always great

But I read some reviews that the asus GTX 780 Direct CU II can be as good as a titian with just some overclocking and it is at LEAST $200 difference in price

You are correct yes, BUT the 780 Ti is better than both.

That's good to know, I have an A1 revision and am looking to flash this vBios as well. It was straight forward for you then?

Very straight forward yes

You're trying to flash a vbios of a 780 that uses the B1 stepping onto your A1 card, it's very likely that this won't work. If you want to try it go ahead and type, but it might not boot anymore afterwards and you need to flash back by using a different card.

Well I did it, Works perfectly, Overclocked to 1202/3402, Game and benchmark/stress test stable

According to GPU-Z both my 780's are "A1" revisions, Both are flashed with your VBios and both work perfectly

When i go to flash my EVGA 780 it comes up with the following in the command prompt -

WARNING: Firmware image PCI Subsystem ID (3842.0781)

does not match adapter PCI Subsystem ID (3842.2781).

WARNING: Firmware image Board ID (E613) does not match adapter Board ID (E231).

Please press 'y' to confirm override of PCI Subsystem ID's:

Overriding PCI subsystem ID mismatch

And then -

*** WARNING: Overriding the Board ID can be very dangerous. ***

Upgrading to an image with the wrong Board ID can render the video card

unusable.

Overriding the Board ID is only needed for extreme circumstances.

A mismatched Board ID almost always means the wrong firmware image is being

used for the specific video card.

Are you sure you want to continue?

Type "YES" to confirm (all caps):

Whats my next step as when i flashed my other 2 x 780's this didn't come up or not that I can remember.

According to a gent on another forum I frequent he has this information about Skyn3ts VBios

I have just inspected both BIOS's and they are different. Completely different in fact.

SVL7 uses 80.10.3A.00.82 and Skyn3t uses 80.10.3A.00.80

All the boost tables are different and the common settings also differ. Different checksum as well.

Basically skyn3t ripped off svl7 work and is trying to take credit for it. Not surprising given how O C N is infested with asshats that have no problem stealing others work.

Sent from my GT-N7000

Anyone tried the VBios from the OCUK forums ? If so how does it compare to this ?

How to over volt a Titan or a reference 780 guide - Overclockers UK Forums

@Sv7

Can you please include the older versions of you vBIOS on the first page so Dice will stop complaining?

You can't modify the bios with that tool, it will brick your card. (no signal).

Why would you need an underclock mode when the card still uses it's p-states with this bios?

I'd just like the option of having it, On the previous REV2 bios I could underclock and undervolt and even play some games in this "Underclocked" state which in turn lowered power usage and heat output, Now with this REV3 bios I dont have that ability anymore and I cannot find the last bios I used which I preferred

Hey SLV7 is there any chance you could modify your "OC Edition REV3" to allow for lower clocks as I like to have an "underclock" mode for when I'm just watching movies etc... and currently the voltage is fine as it lets me go down to 0.937 but the memory does not allow underclocking OR could we do this ourselves via the kepler bios tweaker tool ?

Hi all,

Could anyone please describe the differences between EVGA 780 - SC ACX - 80.10.37.00.0B - 'OC edition v00' and v03?

Does it only add undervolting capabilities or there is more to that?

Thanks in advance

In the latest V03 you cant underclock or undervolt all the way, Thats the only difference that I noticed.

I'm not sure what bios version im using but my card won't dowclock during idle, looks like I dled your bios on the 9th.

Version is 80.10.3A.00.81 (p2083-0020)

Clock is downclocking fine now, not sure what was wrong. Whats different in Rev3, do I have Rev3?

Edit: looks like I have ACX Rev2, what does Rev3 include? Worth flashing to?

Personally I wouldn't, it allows for the same overclocks/voltages but wont let you undervolt or downclock all the way anymore for some odd reason, Stick with the bios you have.

In 3d ?

You can probably play some games @600mhz core

Yes on the previous bios *REV2 I think* i could underclock -500 mhz on the memory in EVGA Precision X and put it down to 0.825 in the voltage settings, On this REV3 bios i cant underclock the memory and I can't go under 0.937.

not as good as the previous bios for options to the user, Who ever did the testing didn't test well enough.

- - - Updated - - -

Hmm I have several problems with my GTX 780 Classy...

Is win 7 oder 8 better for overclocking?

The driver always recovers at win 8

Windows 7 is better

In 3d ?

You can probably play some games @600mhz core

I could underclock nicely with the previous vbios but with this rev3 I cant underclock or undervolt all the way, With the previous vbios *Rev2 I believe* i can take the memory to -500MHZ and 0.825 on the voltage

With EVGA precision? It certainly didn't allow for undervolting with the inspector... but anyway, what do you want with a 3d P-State at 0.825v? That's totally pointless.

Lower temps and the ability to underclock even the memory like I could in your previous bios

The one before rev3 let me go 0.825

Here you go, your rev02 bios i think it was let me undervolt and underclock this one will not.

Ok, can I get the same with Nvidia Inspector?

I have no idea how to do that, Could you not re-upload the earlier bios as that worked much better

Here's the picture, On the bios before rev3 i could get lower voltage and underclock better.

You are able to lower the 3d voltage per software with the stock vbios? Can you send me a screenshot of Nvidia Inspector when you use the stock vbios?

No that's not what i meant, in your last OC bios i could lower the voltage below 935 now i cannot and the memory will not go below 0 in precision x like it did before in your last oc bios but with the stock bios the memory will

In short with this vbios, I cannot underclock or undervolt like with your older one, rev 1 or 2 maybe

I flashed to the Nvidia GTX 780 (EVGA) - 80.10.3A.00.01 - 'OC edition v03' as I had your older "OC Edition" and now I can no longer set my voltage any lower than 935 where as before I could get near 800, Also now I cannot lower my memory clock below 0 in EVGA Precision X where as before I could get -502MHZ but I can get this on the stock VBios.

Also your REV03 VBios is only 198KB in size and the older one was around 250KB, what changed ?