How much RAM for a 6 to 7 Megapixel image and which video card?

M
Posted By
mwhals
Feb 29, 2004
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359
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I am planning on getting the new Nikon D70 and will build a new PC for a digital imaging center. My wife is a teacher and needs the one we have, so I get to build new. 🙂

I was thinking 2 gigs of RAM for Photoshop CS, but was wondering if 1 or 1.5 gigs would be enough.

I will have to 80 gig WD drives in a RAID 0 configuration for the Photoshop scratch disk while Windows XP, Photoshop and other applications will be on a 120 gig drive. A 160 gig drive will be used for storage of the images.

I am also wondering what Videocard is recommended. I am pretty sure the 3D gaming cards are overkill and have heard Matrox is great for 2D and Photoshop. Which Matrox card is recommended?

I want a fast Photoshop machine based on a 3400+ AMD 64 chip or a P4 3.2 Ghz Northwood core chip. I thought about dual Xeon or Opteron systems as well, but think the costs would be much more than the single processor AMD or P4 chip.

Thanks for the thoughts,

Mark H

How to Improve Photoshop Performance

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GH
Gary_Hummell
Feb 29, 2004
While a fast machine is always great, routine editing of 6 or 7mb images goes pretty fast with even modest modern computers. My computer is substantially less distinguished than the specs you are looking at and the only holdup for me is my lack of skill, not computer power.

I use ATI and Matrox cards for 2D and both are quite good with my CRT displays. LCDs may be a different situation, no experience here.

The need for really powerful computers is mainly a function of working with very large files, like 100s of megabytes. For most of us, whether a filter runs for 0.3 or 0.2 seconds is not a big issue.

Of course, if cost is no object….

Gary
JJ
Jay Jhabrix
Feb 29, 2004
Mark…

If you’re using the machine primarily for Photoshop…

1/ If you can afford 2GB of RAM…. nothing like it

2/ If you don’t plan on doing 3D then the Matrox cards are ideal. i think you’ll probably need the MGA 550. Don’t hassle about the Perahelia (sp?)

2a/ If, however, you ever plan to get into 3D then the Matrox cards suck…. you’ll need to get a Nvidia or Radeon

3/ Go for a large monitor… 19" at the least… if you can afford a 21" the it’ll be great

4/ Go for dual monitors…. you’ll find them invaluable when working… the second could be a smaller one to dave money and if you use a Matrox card you can set different resolutions on each monitor

Regarding the rest of the specs… 🙁 can’t really give you any tips there…but i think that an 80GB disk for just scratch may be overkill but someone will correct me if i’m wrong.

Cheers…

JJ
M
mwhals
Feb 29, 2004
The two 80 gig drives are being Raided for a fast scratch disk. Agreed, I don’t need a 160 gig scratch disk. I may just get one 40 or 80 gig drive as a PS scratch drive, but it would be slower than the raid 0. I could compromise and get the 37 gig WD Raptor drive, which would between a normal drive and a RAID 0 configuration.

Mark H
M
mwhals
Feb 29, 2004
Thanks Gary. If I scan any of my negatives, I will get much larger files, but most will still be under 100 MB. I may also stitch scenes together, which will increase file size as will using several layers.

Mark H
BB
Bert_Bigelow
Feb 29, 2004
My experience…RAM is much more important than processor speed. I have 1GB in my dedicated Photoshop machine with a 1.8GHz P4, 80 and 160 GB HD’s. My camera is an Olympus E-20 (5 megapixels), but I regularly scan 35mm slides and negs which give me images of around 10 megapixels. This modest machine, which I bought about 18 months ago, is still plenty fast for me.
If I change anything, it will be to add another GB of RAM. Bert
BB
Bert_Bigelow
Feb 29, 2004
Mark,
I’ve just started doing stitching of panoramas. 1GB seems to be a little marginal if you go above 3 images.
Bert
M
mwhals
Feb 29, 2004
OK, here is what I will get:

37.7 WD Raptor HD for a PS scratch disk
120 GB drive for O/S and applications + Windows page file 160 GB drive for storage
1.5 or 2 GB of RAM dependent upon motherboard (3 or 4 slots) Matrox G650 video card
CD Burner
DVD ROM
22 inch monitor for image
17 inch monitor for PS pallets

The processor Motherboard will be either:

P4 3.2 Ghz with Asus P4C800-E Deluxe

or

3400+ AMD 64 with Asus K8V Deluxe

Of course there will be the case, Power supply, floppy drive and some fans. 🙂

Mark H
BB
Bert_Bigelow
Feb 29, 2004
Mark,
Sounds like a winner.
Bert
AP
Alpha_Papa
Mar 1, 2004
With all that I’d get a DVD burner too. Keep the CDRW separate for fast CD coping. Get a TV tuner in your DX 9 video card – the technology is now.

The only thing I’d be looking to ensure, is future RAM potential. If you were upgrading a current set-up fine then go with a 2-3GB board assuming its there now but if you’re going totally new I’d plan for the future. Then again, if things suddenly go 64-bit we’ll all be possibly changing boards again.

Btw why not set a 120GB drive as the scratch and buy an external HD or use your current system as a server for storage? Better for security.

Adam.
M
mwhals
Mar 1, 2004
The WD Raptor is much faster than a standard 120 GB 7200 RPM drive, which is why I am using it for the scratch disk.

As for RAM, 2 GB will do me now. Both motherboards can handle 3 (AMD) or 4 (Intel) gigs, but they require 1 gig sticks of RAM to do so, which are VERY expensive. I will be using all 512 meg sticks of RAM as 2 of those are less than half the 1 GB stick.

I have an external USB hard drive that I will be using to backup the 160 GB data drive. That way I have it on two drives, the internal 160 gig and the unplugged and unconnected (when not needed) external hard drive.

Mark H
AP
Alpha_Papa
Mar 1, 2004
Thanks for the tip on the Raptor. We’re roughly going similar specs but I’m keeping conscious of potential changing RAM needs.
M
mwhals
Mar 1, 2004
Keep in mind that a 32 bit system will not be able to use more than 4 GB of RAM. A 64 bit system can support much more RAM if the motherboard supports it.

Mark H
JJ
Jay Jhabrix
Mar 1, 2004
A bit out of touchy with the Matrox cards now… is the 650 a Parhelia (spelling?) if so, you can save yourself some bucks and go with the 550….

Cheers…

JJ
BL
Bill_Lamp
Mar 1, 2004
I’m using a 10-11 gig FAT32 with a larger than "standard" cluster size (by Partition Magic) swap partition with 12 megapixel digital camera files without any problem. If that overflows, it uses a partition with a bit over 40 gig free. Neither is on the same physical drive as Windows, Photoshop, or the Windows swap file. Photoshop swapfile drive is a WD 7200 RPM 80 gig drive. I haven’t gone past 4 16 bit layers yet.

Bill
M
mwhals
Mar 1, 2004
The 650 is not a Parhelia card. It is less than half the cost of the higher priced card. The major difference between it and the 550 is it has twice the video RAM.

Mark H
JJ
Jay Jhabrix
Mar 2, 2004
The 650 is not a Parhelia card. It is less than half the cost of the >
higher priced card. The major difference between it and the 550 > is it has twice the video RAM.

That’s cool then….

Cheers…

JJ

How to Improve Photoshop Performance

Learn how to optimize Photoshop for maximum speed, troubleshoot common issues, and keep your projects organized so that you can work faster than ever before!

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