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Sparkle 8600GT with extremely slow memory clock.HELP please



 
 
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  #1  
Old April 21st 08, 03:11 PM posted to alt.comp.periphs.videocards.nvidia
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Posts: 4
Default Sparkle 8600GT with extremely slow memory clock.HELP please

I have just bought a Sparkle Geforce 8600 GT (SF-PX86GT512U2-HP) for
AU
$135.


http://www.sparkle.com.tw/product_de...=63&sub_id=121

I found out that Sparkle fits a very slow DDR2 memory on this card.
GPU-z reported:

Gpu = 540 MHz (That's fine)
Memory = 300 MHz (?!!!!!!)
shader = 1188 MHz (That's fine)

RivaTuner , AtiTool and GPU-z all reported that the memory clock of
this card only runs at 300Mhz (Which means x2=600MHz?), compared to
other brands' 8600GT cards .Their memory clock all runs at around
1.4GHz-1.6GHz range (the Gigabyte GV-NX86T512H) for example.

How come a 8600GT card runs at 600 MHz memory clock spds?
My old 6600GT at least have 1000MHz memory clock speed.


Strange thing on Sparkle web site is that they do report the memory
clock speed of their DDR3 range of 8600GT but said nothing about the
8600GT DDR2 memory clock speed?


I read a lots about memory clock of other brands of 8600GT on the net
and I never saw such a slow memory clock like this card. Did I miss
something? Maybe I interpretate the clock speed wrongly, x4 or x2?

If you have a Sparkle 8600GT card with 512 MB DDR2 please check for
me with Rivatuner, ATiTool or GPU-z to see if it reports
memory clock at 300MHz or not.


Your feedback is greatly appreciated.


Thanks and regards,


  #2  
Old April 21st 08, 03:50 PM posted to alt.comp.periphs.videocards.nvidia
Paul
external usenet poster
 
Posts: 13,364
Default Sparkle 8600GT with extremely slow memory clock.HELP please

wrote:
I have just bought a Sparkle Geforce 8600 GT (SF-PX86GT512U2-HP) for
AU
$135.


http://www.sparkle.com.tw/product_de...=63&sub_id=121

I found out that Sparkle fits a very slow DDR2 memory on this card.
GPU-z reported:

Gpu = 540 MHz (That's fine)
Memory = 300 MHz (?!!!!!!)
shader = 1188 MHz (That's fine)

RivaTuner , AtiTool and GPU-z all reported that the memory clock of
this card only runs at 300Mhz (Which means x2=600MHz?), compared to
other brands' 8600GT cards .Their memory clock all runs at around
1.4GHz-1.6GHz range (the Gigabyte GV-NX86T512H) for example.

How come a 8600GT card runs at 600 MHz memory clock spds?
My old 6600GT at least have 1000MHz memory clock speed.


Strange thing on Sparkle web site is that they do report the memory
clock speed of their DDR3 range of 8600GT but said nothing about the
8600GT DDR2 memory clock speed?


I read a lots about memory clock of other brands of 8600GT on the net
and I never saw such a slow memory clock like this card. Did I miss
something? Maybe I interpretate the clock speed wrongly, x4 or x2?

If you have a Sparkle 8600GT card with 512 MB DDR2 please check for
me with Rivatuner, ATiTool or GPU-z to see if it reports
memory clock at 300MHz or not.


Your feedback is greatly appreciated.


Thanks and regards,



On the Chaintech site, I can see a wide range of clock speeds for the
memory on their cards. I also see the same thing on the Newegg site,
when looking at 44 different 8600GT cards.

http://www.chaintechusa.com/a211_pro...ate2.php?pos=8

You can see more examples listed here.

http://www.gpureview.com/show_cards....rd1=513&card2=

Looks like up to a factor of 4 between the slowest memory
and the fastest available memory.

Paul
  #3  
Old April 21st 08, 06:38 PM posted to alt.comp.periphs.videocards.nvidia
[email protected]
external usenet poster
 
Posts: 4
Default Sparkle 8600GT with extremely slow memory clock.HELP please

On Apr 22, 12:50*am, Paul wrote:
wrote:
I have just bought a Sparkle Geforce 8600 GT (SF-PX86GT512U2-HP) for
AU
$135.


http://www.sparkle.com.tw/product_de...=63&sub_id=121


I found out that Sparkle fits a very slow DDR2 memory on this card.
GPU-z reported:


Gpu = 540 MHz (That's fine)
Memory = 300 MHz (?!!!!!!)
shader = 1188 MHz (That's fine)


RivaTuner , AtiTool and GPU-z all reported that the memory clock of
this card only runs at 300Mhz (Which means x2=600MHz?), compared to
other brands' 8600GT cards .Their memory clock all runs at around
1.4GHz-1.6GHz range (the Gigabyte GV-NX86T512H) for example.


How come a 8600GT card runs at 600 MHz memory clock spds?
My old 6600GT at least have 1000MHz memory clock speed.


Strange thing on Sparkle web site is that they do report the memory
clock speed of their DDR3 range of 8600GT but said nothing about the
8600GT DDR2 memory clock speed?


I read a lots about memory clock of other brands of 8600GT on the net
and I never saw such a slow memory clock like this card. Did I miss
something? Maybe I interpretate the clock speed wrongly, x4 or x2?


*If you have a Sparkle 8600GT card with 512 MB DDR2 please check for
me with Rivatuner, ATiTool or GPU-z to see if it reports
memory clock at 300MHz or not.


Your feedback is greatly appreciated.


Thanks and regards,


On the Chaintech site, I can see a wide range of clock speeds for the
memory on their cards. I also see the same thing on the Newegg site,
when looking at 44 different 8600GT cards.

http://www.chaintechusa.com/a211_pro...ate2.php?pos=8

You can see more examples listed here.

http://www.gpureview.com/show_cards....rd1=513&card2=

Looks like up to a factor of 4 between the slowest memory
and the fastest available memory.

* * Paul- Hide quoted text -

- Show quoted text -



I wonder how much performance hit the Sparkle card would suffer
compared to other high memory clock frequency card if it is only
600MHz to start with?



  #5  
Old April 23rd 08, 02:23 AM posted to alt.comp.periphs.videocards.nvidia
First of One[_2_]
external usenet poster
 
Posts: 1,284
Default Sparkle 8600GT with extremely slow memory clock.HELP please

The reference memory speed for the 8600GT is 700MHz DDR, or 1.4 GHz
effective. A 57% memory speed decrease is pretty severe. The memory chips
are exposed on your card, right? What latency are the chips rated for?

--
"War is the continuation of politics by other means.
It can therefore be said that politics is war without
bloodshed while war is politics with bloodshed."


wrote in message
...
I wonder how much performance hit the Sparkle card would suffer
compared to other high memory clock frequency card if it is only
600MHz to start with?




  #6  
Old April 23rd 08, 09:21 AM posted to alt.comp.periphs.videocards.nvidia
[email protected]
external usenet poster
 
Posts: 4
Default Sparkle 8600GT with extremely slow memory clock.HELP please

On Apr 23, 11:23*am, "First of One" wrote:
The reference memory speed for the 8600GT is 700MHz DDR, or 1.4 GHz
effective. A 57% memory speed decrease is pretty severe. The memory chips
are exposed on your card, right? What latency are the chips rated for?


I will read the latency and let you know.

I think I learned a lesson from this experience that I should not have
assumed anything and should make thorough online research before went
out and buy video card.

I thought that all 8600GT cards should be manufactured at minimum
specifications of core and memory speed set forth by NVIDIS reference
card (540/1400).

I am really shocked to read that my card runs at a 9.6GB/s memory
bandwidth, compared to a 26.00Gb/s of the reference card.

Even my old 6600GT (500/1000) (which I upgraded from) has higher
bandwidth (16.00GB/s) than this card.

I feel so upset having paid such a high price (Au$135) for the card
thas has SLOWEST memory clock of all 8600GT cards on the market right
now.




  #7  
Old April 24th 08, 03:06 AM posted to alt.comp.periphs.videocards.nvidia
First of One[_2_]
external usenet poster
 
Posts: 1,284
Default Sparkle 8600GT with extremely slow memory clock.HELP please

Just to be clear, the 300 MHz memory clock you saw was in 3D, right? Most
nVidia cards since the FX5800 throttle back under 2D to conserve power. You
can confirm this by running Rivatuner's real-time strip charts.

--
"War is the continuation of politics by other means.
It can therefore be said that politics is war without
bloodshed while war is politics with bloodshed."


wrote in message
...
On Apr 23, 11:23 am, "First of One" wrote:
The reference memory speed for the 8600GT is 700MHz DDR, or 1.4 GHz
effective. A 57% memory speed decrease is pretty severe. The memory chips
are exposed on your card, right? What latency are the chips rated for?


I will read the latency and let you know.

I think I learned a lesson from this experience that I should not have
assumed anything and should make thorough online research before went
out and buy video card.

I thought that all 8600GT cards should be manufactured at minimum
specifications of core and memory speed set forth by NVIDIS reference
card (540/1400).

I am really shocked to read that my card runs at a 9.6GB/s memory
bandwidth, compared to a 26.00Gb/s of the reference card.

Even my old 6600GT (500/1000) (which I upgraded from) has higher
bandwidth (16.00GB/s) than this card.

I feel so upset having paid such a high price (Au$135) for the card
thas has SLOWEST memory clock of all 8600GT cards on the market right
now.





 




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