Thursday, May 3rd 2012

Production Radeon HD 7850 Packs 768 Stream Processors

by
btarunr
 Discuss (20 Comments)
Tom's Hardware Germany found it difficult to explain lower than normal performance of an AFOX-branded Radeon HD 7850 graphics card. Upon looking at its stream processor count in GPU-Z, it was amazed to notice a value of 768, 25% lower than HD 7850 normal count of 1024. Attempts to replace its BIOS did not change the stream processor count, leading them to believe the stream processors were physically disabled. AMD was of little help, and they were redirected to talk to AFOX, which told them that since March, AMD has been shipping Pitcairn chips with 768 stream processor configuration to some OEMs. Could this be a new SKU under works? HD 7790? HD 7830?
Source: Tom's Hardware

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20 Comments on Production Radeon HD 7850 Packs 768 Stream Processors

#1
HossHuge
btarunrTom's Hardware Germany found it difficult to explain lower than normal performance of an AFOX-branded Radeon HD 7850 graphics card. Upon looking at its stream processor count in GPU-Z, it was amazed to notice a value of 768, 25% lower than HD 7850 normal count of 1024.
To bad they didn't publish the results.
btarunrHD 7830?
I hope so as I am looking to up-grade my 6850's cause they only have 1gb of memory and a 7850 is a little too pricy for me right now.
Posted on Reply
#2
Isenstaedt
btarunrHD 7830?
AMD is not that intelligent. They would name it 7790.

Remember:
Barts LE -> 6790 instead of 6830
Turks Pro -> 6570 instead of 6650
Redwood Pro -> 5570 instead of 5650
Posted on Reply
#3
farquaid
Whats the point?

256 bit memory bus serving a gpu slower than 7770?
Posted on Reply
#4
washd123
if it's a 256bit bus it'd probably end up as 7830 if anything, could be a fluke.
Posted on Reply
#5
Zakin
farquaid256 bit memory bus serving a gpu slower than 7770?
Has twice the memory bus width of the 7770, and 128 more stream processors. Not entirely sure how that equated to slower. Most likely a 7830 if they do it on a smart naming scheme due to 2GBs of ram and the 256 bit bus.
Posted on Reply
#6
farquaid
ZakinHas twice the memory bus width of the 7770, and 128 more stream processors. Not entirely sure how that equated to slower. Most likely a 7830 if they do it on a smart naming scheme due to 2GBs of ram and the 256 bit bus.
Doesnt 7770 run at 1ghz versus this one running at 860mhz?
Posted on Reply
#7
farquaid
So it has memory bandwidth equal to that of 7870 and the gpu power slightly higher than 7770.
Posted on Reply
#8
Inceptor
This is all speculation.
But since it's all rolling, I'll throw in mine:

If it's 128 bit, 768 SP, 1GB RAM, then it'll probably be 7790
If it's 256 bit, 768 SP, 2GB RAM (or even 1GB), then it'll probably be 7830.
Posted on Reply
#9
farquaid
You can call it whatever you want, its still a pointless product. I wouldnt pay any more for this than i would pay for 7770.

edit: also look at the picture it says 256 bit memory bus
Posted on Reply
#10
Steevo
Cheap chip purchasers hoping to make a quick buck off consumers?
Posted on Reply
#11
Zubasa
farquaidDoesnt 7770 run at 1ghz versus this one running at 860mhz?
Since when are GPUs only about clock speeds?
The 7770 only has 16ROPs while a 7830 could potentially have 32ROPs like in this card.
Posted on Reply
#12
No_Asylum
I'm not one to judge a book by its cover, but that PCB looks cheap as helllll. I have $40 VGA cards from the early 2000's that look more well put together.
Posted on Reply
#13
Inceptor
farquaidYou can call it whatever you want, its still a pointless product. I wouldnt pay any more for this than i would pay for 7770.

edit: also look at the picture it says 256 bit memory bus
Doesn't matter what the screenshot says, if it's a mix up and the gpu used (and shipped by AMD) was intended as an OEM cheapie, the final 'official' configuration is unknown and probably variable, and subject to variable branding depending on card configuration.
Posted on Reply
#14
arterius2
AFOX??? WTF IS THAT?

probably some shoddy Chinese off shore sweatshop operation
Posted on Reply
#15
Alvy Ibn Feroz
arterius2AFOX??? WTF IS THAT?

probably some shoddy Chinese off shore sweatshop operation
That's right never heard of it
Posted on Reply
#16
DarkOCean
arterius2AFOX??? WTF IS THAT?

probably some shoddy Chinese off shore sweatshop operation
They make very cost effective cards as you can see from the pics.
Posted on Reply
#17
Hilux SSRG
Where is the rumored 7890 that I think may hit the midrange market ?
Posted on Reply
#18
DarkOCean
Hilux SSRGWhere is the rumored 7890 that I think may hit the midrange market ?
If that would ever be released i think it would be based on tahiti not picairn.
Posted on Reply
#19
eidairaman1
The Exiled Airman
DarkOCeanIf that would ever be released i think it would be based on tahiti not picairn.
Im not sure about the tahiti being used for the 7800 series since its Pictarin I believe tahiti is totally reserved for the 7900 series
Posted on Reply
#20
Goodman
Hilux SSRGWhere is the rumored 7890 that I think may hit the midrange market ?
No it's the other way around it's going to be the 7980 high end card & the dual GPU's will be base on that card...

















...Joke! :laugh:
Posted on Reply
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