A simple comparision of Evince (epdfview does the same) and Sumatra PDF using WINE (Sumatra PDF is open-source software, but written for Windows platform).
Evince vs. Sumatra | RENDERING
Evince vs. Sumatra | MEMORY USAGE
What is more funny, its more memory efficient to use Sumatra PDF using WINE then Evince natively ... guess whats my new PDF viewer
[1]
http://projects.gnome.org/evince/
[2]
http://blog.kowalczyk.info/software/sumatrapdf/free-pdf-reader.html
PS. If You are scared about lack of WINE on amd64, then I have good message for You, these screenshots are from FreeBSD 8.2 amd64 using package by
Ivoras available here:
http://people.freebsd.org/~ivoras/wine/