Display Resolution affects download speed

Switched display to a Viewsonic VX2235wm with a resolution of 1680 x 1050, and noticed that my internet download speed went WAY down. Coincidence, or did I eat into my resources?
Mac mini   Mac OS X (10.4.8)   1GB memory

Hi,
Even if your display high resolution uses more resources (sounds correct since the mini is using shared memory for its graphic card), there is IMHO absolutely no way it could affect internet download speed, which should only depend on :
- your phone line quality ;
- how many computers are using the connection (divided bandwith);
- How you connect your mac to your modem (usb slower than ethernet);
- problems encountered by your provider.
Since it seems you had once a good connection and noticed only recently a difference, maybe the latter reason could be a good explanation...
Mini Core Duo   Mac OS X (10.4.7)  
Mini Core Duo   Mac OS X (10.4.7)  

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