Nvidia TNT2 M64 clocks? \ VOGONS

Nvidia TNT2 M64 clocks?

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First post, by PhilsComputerLab

Posted on 2015-10-20, 13:37

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So I want to benchmark my TNT2 M64 cards and noticed a discrepancy in the clocks I'm seeing compared to Wikipedia / GPUreview.

According to them, the TNT2 M64 has clocks of 125/150, just like the regular TNT2, but with 64 bit memory bus.

I have 3x TNT2 M64 cards, and all of them show 125/143 in Powerstrip or Coolbits.

On the Nvidia site, the TNT2 M64 is listed with half the memory bandwidth as the TNT2, so that would also point to 150 MHz.

ixbtlabs shows a MS-8808 which has the same 125/143 clocks as mine: http://ixbtlabs.com/articles/digest3d/0801/it … eo-tnt2m64.html

So does Techpowerup: https://www.techpowerup.com/gpudb/1304/riva-tnt2-m64.html

Any ideas / thoughts?

These are cheap cards, so it's not a big deal, but just wondering 🤣

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Reply 1 of 11, by oerk

Posted on 2015-10-20, 13:41

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I've owned a PCI TNT2 M64 in the past and I'm positive it had a 143MHz memory clock also.

Reply 2 of 11, by PhilsComputerLab

Posted on 2015-10-20, 13:56

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oerk wrote:
I've owned a PCI TNT2 M64 in the past and I'm positive it had a 143MHz memory clock also.

Cool, thanks.

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Reply 3 of 11, by sunaiac

Posted on 2015-10-20, 14:46

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Haha, I remember when I "upgraded" my TNT to TNT2 M64 😁
Then I started being more carefull about my choices 😁

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Reply 4 of 11, by PhilsComputerLab

Posted on 2015-10-20, 14:55

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I think we all learnt some "video card buying lesson" at some stage. Mine was to properly read up on any M/LE/SE/XT/XL or whatever other name they come with cards 😀

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Reply 5 of 11, by meljor

Posted on 2015-10-20, 19:47

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Mine is 143mhz as well, performs exactly like my TNT1 viper 330 🤣 TNT2 ultra is a beast compared to the m64.

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Reply 6 of 11, by FGB

Posted on 2015-10-20, 20:01

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meljor wrote:
Mine is 143mhz as well, performs exactly like my TNT1 viper 330 🤣 TNT2 ultra is a beast compared to the m64.

TNT1 was Viper V550. The V330 was Riva128.

The TNT2 M64 is actually a good chip. Some cards come with memory which easily can exceed the poor 14xMHz stock clock and can be rised to a much higher level. The performance of this card really lives by its memory clock so the benchmarks soak up every single Megahertz.

Last edited by FGB on 2015-10-20, 20:41. Edited 1 time in total.

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Reply 7 of 11, by Skyscraper

Posted on 2015-10-20, 20:13

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The Pine (XFX) TNT2 M64 I own is clocked at 125 MHz core 143 MHz memory but can do 175 MHz core 185 MHz memoy. 😀

The M64 is perfect for 640*480 gaming using a CRT TV.

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Reply 8 of 11, by candle_86

Posted on 2015-10-20, 21:12

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philscomputerlab wrote:
I think we all learnt some "video card buying lesson" at some stage. Mine was to properly read up on any M/LE/SE/XT/XL or whatever other name they come with cards 😀

mine was when I traded my Ti 4200 for an FX 5200 🤣

Reply 9 of 11, by meljor

Posted on 2015-10-20, 21:15

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FGB wrote:
meljor wrote:
Mine is 143mhz as well, performs exactly like my TNT1 viper 330 🤣 TNT2 ultra is a beast compared to the m64.

TNT1 was Viper V550. The V330 was Riva128.

The TNT2 M64 is actually a good chip. Some cards come with memory which easily can exceed the poor 14xMHz stock clock and can be rised to a much higher level. The performance of this card really lives by its memory clock so the benchmarks soak up every single Megahertz.

yep, it was the v550

Reply 10 of 11, by elianda

Posted on 2015-10-20, 22:44

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Usually these cards come with various clocks. I checked most of the more modern cards I own and put the data to tables. About 50% of the cards do not have the default clock rates given by nvidia/wikipedia etc.
The Riva TNT2 M64 I have from MVGA uses 125/143 MHz clocks with 32 MB SDRAM and TV Out.

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Reply 11 of 11, by PhilsComputerLab

Posted on 2015-10-20, 23:26

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Thanks everyone, that clears it up!

Good point on the memory overclocking. Seeing the core is identical, the M64 has half the memory bandwidth. So any extra boost on the memory will pay off well 😀

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