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Geforce2 Pro is 32MB enough?

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Yomama

Senior Member
Joined
Dec 18, 2000
Location
The battle born State
I am planning on purchasing a Leadtek GF2Pro. Price for the 32MB version is about $150, whereas the 64MB version costs $190. I typically use 1280x1024 resolution.

Will 32MB be enough, or should I shell out the extra bucks?

Are there any other advantages from more RAM?

Thanks

Yo
 

SickBoy

Inactive Moderator
Joined
Jan 13, 2001
Location
Minneapolis, MN
Obviously, the 64 MB version is going to perform better because you will have an extra 32 MB of memory bandwidth for textures..... if you're thinking you want to keep the card for a while, I'd go for the 64 MB version.

SickBoy
 

Door Knob

Member
Joined
Feb 9, 2001
I agree. Maybe not a big difference now as both will kick but in gamming but down the road it may, if you go through a lot of cards get the 32 otherwise doubleing the ram for 40 bucks is probably the way to go.
 

Nagorak

Senior Member
Joined
Dec 19, 2000
It's just 32 MBs of extra memory, it doesn't have anything to do with memory bandwidth. Memory Bandwidth is based on the frequency of the memory. Geforce cards are limited by Memory Bandwidth at almost all resolutions and color depths (besides maybe 640*480*16).
 
OP
Y

Yomama

Senior Member
Joined
Dec 18, 2000
Location
The battle born State
Nagorak (Apr 28, 2001 06:37 a.m.):
It's just 32 MBs of extra memory, it doesn't have anything to do with memory bandwidth. Memory Bandwidth is based on the frequency of the memory. Geforce cards are limited by Memory Bandwidth at almost all resolutions and color depths (besides maybe 640*480*16).

OK - and so the conclusion is ?
 

PowerProtein

Registered
Joined
Mar 29, 2001
If you play games at 640x480 than it don't matter if you have 32 or 64 meg of memory. But if you play at 1280x1024x32 or higher than it will make a difference. Besides 64 meg cards are slowly getting cheaper, when the prices are low than more games will be taking advantage of the extra texture memory. So if the price is good than i would go with 64meg.
 

DaveB

Senior Member
Joined
Dec 18, 2000
The conclusion is that the extra 32 MB will give you more room for future games that will certainly feature larger textures. Right now, you will pretty much gain nothing. But, when the newer games come out and everybody with 32 MB on their video cards is slowed down by texture swapping to/from that slow motherboard SDRAM, you'll still be flying along using only fast video card memory. Texture swapping occurs when the video card memory is not large enough to fit the whole scene. In order to display the scene, the video card has to go to the motherboard system memory for additional storage. The overflowing textures are transferred from the video card to the system memory, and then read back as needed.

The path from the vidoe card to system memory via the AGP bus is a relatively slow data path. The peak transfer rate for AGP 4x system is 1.06 GB/s. This is slow compared to the GeForce 2 GTS's memory bus peak bandwidth of 5.3 GB/s. The use of nVidia’s S3TC texture compression algorithm has been able to compensate for larger textures up till now. This hardware-based algorithm compresses the information to be passed to memory and then expands it as needed. This decreases the amount of information that must be passed to and from the memory, and also decreases the total size of each scene. So all the data can be stored on the faster video card storage. But even with S3TC compression, upcoming games will begin to exceed the capacity of the 32 MB cards. Then you’ll still be OK if you have the extra 32 MB on one of those 64 MB cards.

The trouble with this rationalization is that you’ll probably upgrade anyway for better DirectX 8 support or for one of the other features of the new GeForce3 or some other future video card. If you’re not planning to keep the card until at least early next year, you should probably save the cash and get the 32 MB version. If you think you’ll keep it longer than that, what the hell go for a 64 MB version. It’s really up to you.
 
OP
Y

Yomama

Senior Member
Joined
Dec 18, 2000
Location
The battle born State
DaveB,

Thank you very much for this excellent explanation. I was not aware of the issue of texture swapping, but your well written response really made it very clear to me.

Since I hate to ditch stuff after only a short period of time, I will probably go with the 64MB card.

Thanks again

Yo