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Topic: Low Memory Bandwidth  (Read 1279 times)

Offline adityagoela

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I have a GT 520 1GB( http://www.palit.biz/palit/vgapro.php?id=1650 )  and i have a intel DH55TC which has a PCIe 2.0 slot.

Nvidia claims that GT 520 has a 14.4 GB/s memory bandwidth but i get 8.8 GB/s (checked by GPUZ). What could be the problem ???
« Last Edit: April 11, 2012, 12:00:00 PM by adityagoela »

Offline rajan1311

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can you post the GPU Z screenshot?

Also, where did you buy the card from?
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Offline adityagoela

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Yeah i got it from Abacus Peripherals, got it exchanged with my old 9500gt (because it was in warranty and it died) remember i told you that.


« Last Edit: April 12, 2012, 07:30:47 AM by adityagoela »

Offline rajan1311

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try this with an older version of GPUz? Do you seen any significant performance difference between your cards and some review performance numbers?
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Offline adityagoela

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A weird thing i noticed was that i could play a 1080p video (LMFAO - Party Rock) smoothly in windows xp with my GT520 and now when i changed to windows 7 ultimate 64bit i get only 18 FPS with the same card !!


And there has been no significant difference between 9500GT and GT520, infact sometimes i feel that my 9500GT was a bit faster.

Offline adityagoela

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Offline rajan1311

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I am sorry dude but cant find any real explanation...for now lets just say the software is reporting it wrong.. try with gpu-z 0.5.xx versions?
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Offline adityagoela

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Offline rajan1311

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Intel Core i5 2500k | ASRock Z77E-ITX | Samsung 30nm Green RAM @ 2133MHz | HD 4850 | Corsair 550VX | SVG Tech HOC 40 | Bitfenix Prodigy

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Offline avery_76

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your memory is clocked at 550mhz hence the low bandwidth
to get a bandwidth of 14.4 gb/s your memory clock would have to be 900mhz
on the palit website in the specifications tab bandwidth is mentioned as 8.56gb/s
hence the bandwidth display is correct
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