Radeon HD 6790 based on Barts LE with 800 SPs [nordichardware.com]

Page 5 - Seeking answers? Join the AnandTech community: where nearly half-a-million members share solutions and discuss the latest tech.

bryanW1995

Lifer
May 22, 2007
11,144
32
91
Just to clear up the current pricing MISinformation that is being thrown around, a quick look at newegg RIGHT now shows the cheapest 5770 going for $130 with a $20 MIR and a 550ti going for $135 OR $150 with a $20 MIR.

And just so we're clear, every day prices of the hd5770 are NOT $100. Those are really good deals that either don't last long at all, aren't widely available, and usually need MIR's to reach that price point. I'm not saying the 550ti is worth the extra money over a 5770, and I'm not saying the 5770 can't occasionally be had for under $100, I'm just saying the lowest everyday going price for a 5770 is $110 AR right now, and the lowest going price for a 550ti is $130 AR right now.

none of those deals holds a candle to widely available $90 AR gtx 460 768 deal. That has been available off and on for 4 months now, though it should go away soon as NV is discontinuing that card.
 

notty22

Diamond Member
Jan 1, 2010
3,375
0
0
smacks the 550ti silly
The OP comment from Hocp mentions slightly faster than the 550 and your growing that to smacks it silly ?
F1 and Mafia II looked equal to me.
 
Last edited:

Gloomy

Golden Member
Oct 12, 2010
1,469
21
81
The OP comment from Hocp mentions slightly faster than the 550 and your growing that to smacks it silly ?
F1 and Mafia II looked equal to me.

Yeah and on every other game there's like a 40% lead in favor of the 6790. Seems pretty silly to me.
 
Feb 19, 2009
10,457
10
76
The OP comment from Hocp mentions slightly faster than the 550 and your growing that to smacks it silly ?
F1 and Mafia II looked equal to me.

$120 vs $140 and is ~25% faster, that is a smacking. price/perf at these low ends are very important.
 

Arkadrel

Diamond Member
Oct 19, 2010
3,681
2
0
Its clearly faster than the 550ti, from that review didnt lose to it even in the games that favor nvidia cards more (granted they didnt show civ5).

Looks to be like 10~30% (depending on game) faster than a 550ti, and at a cheaper price point? Seems like a good value card.

Nvidia's 550ti is around 238mm^2
AMD's 6790 is around 255mm^2 (assumeing itssalvaged 68xx chips)

So for once nvidia wont be useing a bigger chip o_O , but then the 6790 is 10-30% faster.
 
Last edited:
Feb 19, 2009
10,457
10
76
we're going to have to wait, the real mystery is whether they can unlock to full 6870 cores. i dont think amd is that crazy to allow that..
 

Arkadrel

Diamond Member
Oct 19, 2010
3,681
2
0
@AtenRa

nice catch, didnt notice it at first.

6790... 10-30% faster than a 550ti.... still slower than a 460 768mb >_<'

Current newegg 460 768mb version seem to be around the 149$ mark... so this card will have to be atleast 10$ cheaper, or more.


460 is a 332mm^2 chip, the 6790 a 255mm^2 chip.
AMD should be able to price it lower than the 460 768mb.
 

formulav8

Diamond Member
Sep 18, 2000
7,004
523
126
If this card ever gets to the $100 price it would be worth it to me to replace my 5750. I only paid $75 shipped for my 5750 about 10 months ago, so I may be able to sell it for the price I paid for it?

Edit: If the specs are right in that review then only having 16 rops is what killed the expected performance of the card? I'm guessing most thought it would be 32 rops or just me?
 
Last edited:

notty22

Diamond Member
Jan 1, 2010
3,375
0
0
If this card ever gets to the $100 price it would be worth it to me to replace my 5750. I only paid $75 shipped for my 5750 about 10 months ago, so I may be able to sell it for the price I paid for it?

Edit: If the specs are right in that review then only having 16 rops is what killed the expected performance of the card? I'm guessing most thought it would be 32 rops or just me?

That is indeed what makes this card a big step down from a 6850. A 16 rop, 2- 6 pin card is not a good combination. 16 rop's is what killed the 5830.


The 6850@775mhz VS the 6790@840mhz

metro1920.png


specifikacemaly.jpg
 
Last edited:

notty22

Diamond Member
Jan 1, 2010
3,375
0
0
In that picture the card has only 1 6 pin. Its clocked at 840mhz, which is higher than what 6850's are tested at , 775mhz. The card at 150.00, VS 180.00 for a 6850 is not a good deal. With 16 rop's, even o/c, the performance gains will not scale up well.
 

blanketyblank

Golden Member
Jan 23, 2007
1,149
0
0
The 5770 is either a really long lasting card or AMD and NV haven't added much improvement to this price range over the years. 5770 was $150 almost 2 years ago and now 550ti and 6790 are roughly the same performance at about the same launch price.
Looks like 550 ti performance is equal to 5770 to be about the same performance (looks like 5-15&#37;).
 

-Slacker-

Golden Member
Feb 24, 2010
1,563
0
76
I don't understand why amd keeps overpricing their LE products like that. The hd 7890 is basically barts xt refuse, something that they would have otherwise thrown in the dumpster. Instead they get to make money on that too. So why be greedy?
 

3DVagabond

Lifer
Aug 10, 2009
11,951
204
106
In that picture the card has only 1 6 pin. Its clocked at 840mhz, which is higher than what 6850's are tested at , 775mhz. The card at 150.00, VS 180.00 for a 6850 is not a good deal. With 16 rop's, even o/c, the performance gains will not scale up well.

$150 is ridiculous. You can get 6850 for less even (AR). Likely this is Newegg trying to establish a higher price to discount from.
 

cusideabelincoln

Diamond Member
Aug 3, 2008
3,275
46
91
With 16 ROPs, doesn't that pretty much make this card a 5770 with twice the memory bandwidth? Same number of shaders at roughly the same clockspeed with the same number of texture units. The 5830 should be an overall faster card than the 6790 - although it seems they'll simply clock the 6790 high enough to match the 5830. Only big advantages are power consumption and a slightly enhanced tessellator for the 6790.

The card is more crippled than we were originally lead to believe. Well, from a learning perspective we can see just how memory bandwidth plays a role in performance if we compare the 6790 to the 5770. From those prelim benchmarks bandwidth is a game-by-game basis.
 

Skurge

Diamond Member
Aug 17, 2009
5,195
1
71
I don't understand why amd keeps overpricing their LE products like that. The hd 7890 is basically barts xt refuse, something that they would have otherwise thrown in the dumpster. Instead they get to make money on that too. So why be greedy?

ROFL.

Stupid naming caught you out huh.