upgrade - AXP dual channel v/s A64 single

What's the performance difference between a single-channel A64 and a dual-channel AXP? Specifically, I'm looking at these configurations (any comments/suggestions are welcome), and looking for some advice on which way to go:

#1
AXP 3000+ "Barton" 400Mhz FSB
Asus A7N8X-E Deluxe/Abit NF7-S mobo
2x 256MB DDR400

#2
A64 2800+
MSI K8N Neo Platinum
1x 512MB DDR400

Either option would include:
Radeon 9800 Pro 128MB
Dual Hitachi 80 GB SATA drives

Here's what I'm upgrading from:
ASUS A7v8x (non-SATA, older version -- like AXP 2400 max I think)
AXP2200 "Palomino"
GF4 4200Ti 128MB
512 MB DDR400

My stepson needs a new PC, so I'm taking the opportunity to upgrade myself and hand-down the parts to him :)

TIA
3 answers Last reply
More about upgrade dual channel single
  1. There's almost no difference between single and dual channel modes with the AXP. It has a single 64-bit wide DDR CPU bus, so it's evenly matech to a single 64-bit DDR DIMM.

    #2 would be a better option.

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  2. Go for the 2nd option

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  3. Definetly the 2nd option.
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