AMD R290X BF4 EDITION - WE ARE NOW TAKING PRE-ORDERS / DEPOSITS!!

flopper · 23 Oct 2013 at 11:04

Marine-RX179 said:
Yea...might have to up budget for the 290x instead of 290 if that is the case

not likely to be bandwidth bound with any brand of ram.

Marine-RX179 · 23 Oct 2013 at 11:10

Gibbo said:
From our testing:-

SK Hynix does 5800-6200MHz with stock voltage
Elpida does 5400 - 5700Mhz with stock voltage

SK Hynix is better clocking memory.

So at 6200MHz on 512-bit, memory bandwidth= 396.8GB/s
At 5700MHz on 512-bit, memory bandwidth= 364.8GB/s

Shame about not able to break the 400GB/s

flopper said:
not likely to be bandwidth bound with any brand of ram.

Not if playing Metro or using SuperSampling etc. Would still take lesser performance hit with the higher bandwidth.

LtMatt · 23 Oct 2013 at 11:20

Marine-RX179 said:
So at 6200MHz on 512-bit, memory bandwidth= 396.8GB/s
At 5700MHz on 512-bit, memory bandwidth= 364.8GB/s

Shame about not able to break the 400GB/s

Not if playing Metro or using SuperSampling etc. Would still take lesser performance hit with the higher bandwidth.

6200 is only 1550mhz. I'd expect it will be possible to get more from it. Nonetheless thats very close to 400gb of bandwidth.

Gibbo · 23 Oct 2013 at 11:26

Lord_ZED said:
Thanks for dedication Gibbo just One more question if you can answer.
Do any of cards you took apart had any crappy stickers on screws?? Just asking for Water cooling purposes/warranty heh

Asus has a warranty sticker over a screw.

Sapphire and Gigabyte does not.

HIS and MSI I shall check later/tomorrow, waiting on delivery still.

Gibbo · 23 Oct 2013 at 11:30

LtMatt said:
6200 is only 1550mhz. I'd expect it will be possible to get more from it. Nonetheless thats very close to 400gb of bandwidth.

I can only coax the cards into giving a little more voltage by setting power limit to +50 and setting low GPU temperature card.

Keep the card cool, use +50 power and the card adds a little more voltage automatically. Once you've coaxed it 6000MHz is stable, but not until the card has warmed up and started increasing it voltages within the set tolerances.

Elpida 5700Mhz is the limit, maybe 5800 if your lucky, Hynix is better for sure by 200-400MHz.

These cards are crying out for custom/voltage control, I hope software comes out, otherwise we shall have to wait for customPCB designs from AIB's before we get voltage control. I hope software comes out as I feel the card has way more OC potential with a few extra volts, even on stock cooler, put it under water and these things will absolutely fly.

Frenzy · 23 Oct 2013 at 11:31

If MSI did, would you have that deal with them where they would honor warranty if the card was purchased from ocuk?

Gibbo · 23 Oct 2013 at 11:32

Frenzy said:
If MSI did, would you have that deal with them where they would honor warranty if the card was purchased from ocuk?

What do you mean sorry?

LtMatt · 23 Oct 2013 at 11:34

Gibbo said:
I can only coax the cards into giving a little more voltage by setting power limit to +50 and setting low GPU temperature card.

Keep the card cool, use +50 power and the card adds a little more voltage automatically. Once you've coaxed it 6000MHz is stable, but not until the card has warmed up and started increasing it voltages within the set tolerances.

Elpida 5700Mhz is the limit, maybe 5800 if your lucky, Hynix is better for sure by 200-400MHz.

These cards are crying out for custom/voltage control, I hope software comes out, otherwise we shall have to wait for customPCB designs from AIB's before we get voltage control. I hope software comes out as I feel the card has way more OC potential with a few extra volts, even on stock cooler, put it under water and these things will absolutely fly.

I expect full voltage control will be available when Unwinder updates afterburner for the 290X. Should be very soon id imagine as MSI will want it working on release day.

The problem is the 290X has a different voltage regulator from the 7970 so until the software is updated it shall remain locked, or semi locked, i think.

4737Joker · 23 Oct 2013 at 11:36

i think he means adding the waterblock, don't you have a deal with them where we can put blocks on and still have warranty if we bought it from you?

Frenzy · 23 Oct 2013 at 11:38

On the 7970 it had the warranty sticker on the screws. I was told by a member of staff on these forums (might have been you) that you have a a deal with MSI. If the user purchased the card from ocuk they would honor the warranty even if the cooler was replaced.

Frenzy · 23 Oct 2013 at 11:43

Found the post gibbo

http://forums.overclockers.co.uk/showpost.php?p=23844594&postcount=594

ScottiB said:
it's simples really

Buy MSI VGA from OcUK
carefully remove cooler
carefully fit aftermarket cooling
enjoy
if, god forbid, the card becomes faulty
carefully remove aftermarket cooling
carefully refit original cooling with suitable TIM
return to OcUK for RMA
wait for OcUK to send you your replacement

If you don't buy the MSI card from OcUK then you aren't officially covered

ScottiB said:
the sticker is for everyone who isn't buying MSI from OcUK.

Gibbo · 23 Oct 2013 at 11:45

4737Joker said:
i think he means adding the waterblock, don't you have a deal with them where we can put blocks on and still have warranty if we bought it from you?

Ah yes, this is fine, OcUK and MSI allow this.

Besty · 23 Oct 2013 at 12:10

interesting results, maybe hynix have a stronger solution for these particular sizes of vram chip as they are larger than the ones in the 7970.

the high water mark for my vram on my early batch XFX 7970 cards is around 1850MHZ with no overvolt.

on the xfx 7970 card that was 3 months older than my 'uber' cards, I believe XFX changed to the cheaper ram chips and cheaper pcb and I get a maximum of 1500mhz out of that card on the vram.

Suarez7 · 23 Oct 2013 at 12:14

I imagine you'll see a few vendors cheaping out on memory as the prices have shot up.

Zeed · 23 Oct 2013 at 12:24

Thanks Gibbo Sapphire it is for me then

Would go for Asus but stickers put me off

My water cooled 6950 with 6970 mod was sapphire still working good in my mates rig. Good 3.5 year old card

Gibbo · 23 Oct 2013 at 12:54

GUYS

READ THIS:-
http://forums.overclockers.co.uk/showthread.php?p=25166034#post25166034

Suarez7 · 23 Oct 2013 at 12:57

If they go live tomorrow at 5AM when the hell does the NDA lift for reviews lol!

Midnight?

Strangest launch ever.

VincentHanna · 23 Oct 2013 at 13:24

Midnight ETC?

Besty · 23 Oct 2013 at 13:38

Suarez7 said:
If they go live tomorrow at 5AM when the hell does the NDA lift for reviews lol!

Midnight?

Strangest launch ever.

Eastern Time Zone (UTC-05:00)
Montreal, Time zone

Pantsu · 23 Oct 2013 at 14:14

Is there any info on which OEMs use Hynix chips in their cards? Or do they use Hynix and Elpida mixed?

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** AMD R290X BF4 EDITION - WE ARE NOW TAKING PRE-ORDERS / DEPOSITS!! **

AMD R290X BF4 EDITION - WE ARE NOW TAKING PRE-ORDERS / DEPOSITS!!