Why PCI and not AGP? In any event, a TNT2 M64 is the low-end version of the TNT2, with the full core, but only 64b (as opposed to regular 128b) memory bus. Overall performance is similar to a TNT(1), but it depends on the exact situation - if memory bandwidth is a bottleneck (generally at high resolution) it performs worse, if not (lower res) it performs almost the same as TNT2. Still, lacking direct TNT2-M64 vs Voodoo2 comparison, assuming it to be similar to TNT can help.

Comparing TNT to Voodoo2 you get this sort of results:

Basically it appears marginally more CPU-limited than Voodoo2, but it only loses to it on a K6-2 300. With a K6-2 450 I'd expect results between the Celeron 300A and P2-400, which would mean a marginal win for TNT at low resolutions and a clear win for TNT vs Voodoo2 SLI (!) at higher ones. Given that the TNT2-M64 behaves more like TNT2 at low res, performance will probably be better. Image quality might not be better though. That said, I used a TNT2-M64 with Celeron 366 back in the day and was more than happy running things like Unreal Tournament with it 😀

Thanks for the reply!
Unfortunately my V72MA motherboard does not have AGP slot, and It's very hard to find one having both ISA and AGP slots for cheap.

So it seems it will be around the same performance I had with the voodoo 2 (or better), which is a good thing 😁

Check out this GF2MX on eBay.

Cheap and should be at least twice as fast as the TnT M64

Geforce4-MX440 seems to be cheap these days.

From my memories the TNT2 had better graphics than the Voodoo.
I am going to put a TNT2 in my future build.

Problem is finding the PCI version of Geforce 2 or a Geforce 4. They were very uncommon around here at the time.
Thanks for the ebay links, but that is not an option for me...I live in Brazil and the shipping for that Geforce 2 was 75 euros 🙁

Intel486dx33 wrote on 2020-03-03, 19:09:

From my memories the TNT2 had better graphics than the Voodoo.
I am going to put a TNT2 in my future build.

You get more fun from a TNT2-Ultra on a P3, than you get on a K6-2-450/500. On K6-2's and 3's, you better stick to Voodoo3-3500 or Voodoo2-SLI. Games that does not need faster CPU, tends to like Voodoo's better. It is the same with Matrox-G400-Max. Run it on P3 and you have a solid solution.

EDIT:
Also... It highly depends on the chipset and the motherboard brand. Don't, and I mean it, do NOT put a Voodoo3-AGP in a SS7 board, before you have checked the voltage regulators....
Can the board handle it or can it not? One example are the early FIC PA-2013 boards. They just fried when V3's were used in the AGP slot.

I had an agp banshee on my skt 7 but tried a tnt2 m64 and like it better for win 98se

gaffa2002 wrote on 2020-03-03, 14:08:

Recently I ran into a cheap TNT2 M64 PCI (32mb), and I'm wondering if it would be worth to get it to add 3D acceleration back to my old rig, will it perform at least as fast as the Voodoo2 did for OpenGl and Direct3D?

I don't know about Voodoo 2, but I compared that card (AGP version) with my Voodoo 3 (PCI) in a few different 3D games, and I was unimpressed with the TNT2.

GF2 ran a lot better (especially for Q3 engine and newer), but like you said, might be a little difficult to get in PCI.

Ok, I decided to go for it and purchased the TNT2 m64. Lets see how it goes...
Will 2d performance be also improved? I mean, mostly for directdraw games?
I have a diamond stealth 2000 and an onboard ATI Rage PRO and both kind of sucks for ddraw games (or maybe its the CPU).

gaffa2002 wrote on 2020-03-11, 00:02:

Ok, I decided to go for it and purchased the TNT2 m64. Lets see how it goes...
Will 2d performance be also improved? I mean, mostly for directdraw games?
I have a diamond stealth 2000 and an onboard ATI Rage PRO and both kind of sucks for ddraw games (or maybe its the CPU).

Have you tried this yet? I mean, if you bought it you may as well just go for it 😁
Please let us know your results 😜

Personally I don't have any experience with the Ati card you mentioned but my PCI TNT2 M64s seemed to run things pretty much effortlessly, provided the games weren't too fast for these cards. My 16MB TNT2 M64 PCI seemed to run Unreal 1 well enough, though I don't remember the exact details anymore on performance. It probably did have some slowdowns in busy situations but those usually won't bother me too much anyway. Performance was very similar to a single Voodoo 2 (even though the Voodoo 2 I used did have some odd memory issue causing a block of odd pixels on the screen but it did manage to finish playing Unreal from start to finish perfectly fine otherise).

I bought GeForce 2 MX PCI for 10 euro or something like that... It's fast and very compatible with 2D DOS games.

The only caveat is that it only wants to POST on some of my motherboards. For example, it doesn't want to work on my VIA EPIA 800.

I expect TNT2 M64 to perform as well in DOS because its performance will be limited by other factors.

ShovelKnight wrote on 2020-03-12, 13:31:

I bought GeForce 2 MX PCI for 10 euro or something like that... It's fast and very compatible with 2D DOS games.

The only caveat is that it only wants to POST on some of my motherboards. For example, it doesn't want to work on my VIA EPIA 800.

I expect TNT2 M64 to do perform as well in DOS because its performance will be limited by other factors.

It seems I have the same problem 🙁
Got the M64 PCI and it's not posting... tried on another PC of mine and it didn't work either.
I love this PC, but the lack of AGP is killing me. There are lots and lots of cheap Geforce 2 available here, but all AGP. Maybe replacing the motherboard would be a better idea, or I can just accept it and be happy with the onboard RAGE PRO TURBO.

gaffa2002 wrote on 2020-03-03, 15:15:

Unfortunately my V72MA motherboard does not have AGP slot, and It's very hard to find one having both ISA and AGP slots for cheap.

there are socket 7 boards without ISA? 😮

apart from some industrial speciality boards I have never seen such a thing ^^
all my socket 7 boards with AGP also always have at least one ISA slot if not 2 or 3.

gaffa2002 wrote on 2020-03-19, 13:47:

It seems I have the same problem :( Got the M64 PCI and it's not posting... tried on another PC of mine and it didn't work eithe […]
Show full quote

ShovelKnight wrote on 2020-03-12, 13:31:

I bought GeForce 2 MX PCI for 10 euro or something like that... It's fast and very compatible with 2D DOS games.

The only caveat is that it only wants to POST on some of my motherboards. For example, it doesn't want to work on my VIA EPIA 800.

I expect TNT2 M64 to do perform as well in DOS because its performance will be limited by other factors.

It seems I have the same problem 🙁
Got the M64 PCI and it's not posting... tried on another PC of mine and it didn't work either.
I love this PC, but the lack of AGP is killing me. There are lots and lots of cheap Geforce 2 available here, but all AGP. Maybe replacing the motherboard would be a better idea, or I can just accept it and be happy with the onboard RAGE PRO TURBO.

In your case, better getting a more DOS compatible card like a trident o s3 pci card and change the cpu for a pentium 1/mmx .
Use this machine for DOS games and very early win 95 games.

MKT_Gundam wrote on 2020-03-19, 15:12:

In your case, better getting a more DOS compatible card like a trident o s3 pci card and change the cpu for a pentium 1/mmx .
Use this machine for DOS games and very early win 95 games.

I do have a Virge S3 and a Pentium 233 MMX lying around.
Is there any reason for downgrading the K6-2 450mhz to a P 233mhz?

To be honest, my target is to be able to play games from around 1992 to 2000. Maybe I would be better with a P3, but finding motherboards with both ISA and AGP slots for a fair price is being tough considering I'm limited to national online stores.

gaffa2002 wrote on 2020-03-19, 17:01:

I do have a Virge S3 and a Pentium 233 MMX lying around. Is there any reason for downgrading the K6-2 450mhz to a P 233mhz? […]
Show full quote

MKT_Gundam wrote on 2020-03-19, 15:12:

In your case, better getting a more DOS compatible card like a trident o s3 pci card and change the cpu for a pentium 1/mmx .
Use this machine for DOS games and very early win 95 games.

I do have a Virge S3 and a Pentium 233 MMX lying around.
Is there any reason for downgrading the K6-2 450mhz to a P 233mhz?

To be honest, my target is to be able to play games from around 1992 to 2000. Maybe I would be better with a P3, but finding motherboards with both ISA and AGP slots for a fair price is being tough considering I'm limited to national online stores.

With a p233mmx you can play games from 1991 to 97, most DOS games. For 98~2002, northwood p4 with agp + GF2 will cover very well.
And your Celeron e3300 (change for a something more powerfull) +GTX 650, make a win 7/xp dualboot. Those 3 manchines will cover 20 years of old pc games.
I would replace your celeron and mobo for 4th core generation or AMD equivalent. Will cover even later 2010 era games and triple boot (win xp/7 and 10). Bonus for linux.
For sake of compatibility/perfomance are great choices.

Thanks for the suggestions, unfortunately due to time and space constraints I cannot have so many PCs lying around 🙁
My target is to have one main computer and a “retro” one.
I’m fully aware that the k6-2 will not be optimal to run games released after 1998 (at least not with the standards we have today of running over 60fps all the time), but for me that limitation is actually part of the fun :p

Btw, I was able to find a Geforce 2 MX200 PCI and bought it, hope this one works with my mobo.

Oh crap... the GF2 did not work as well 🙁. The system is posting but there is no video signal. If I force the onboard video to be used, then the system boots and the GF is recognized as a secondary card by windows 98... I could even install the drivers and extended the desktop on it.
Any suggestion on what could it be? The motherboard is a V72MA and the only jumper related to video is for enabling/disabling the vga interrupt (tried changing it but same result). Also tried changing the PCI slot and also removing all other cards (Sound and network) leaving only the GF 2, but the result is still the same.
I’m thinking in changing the VGA bios (motherboard bios is the latest already).