This allow faster loading between screens. Utilizing your extra ram.

Go to C/Users/My Documents/Ceville

Open up config.cfg

Where it says "low_memory_usage=True" Change true to "false"
It's in the section [generic] in the top section 9 lines down.

[generic]
subtitles=True
skip_intro=false
indicate_scripted_mode=none
show_combinations=true
language=en
persistant_viewports=true
exit_closeup_letterbox=false
screenshot_on_autosave=true
low_memory_usage=true < CHANGE TO FALSE
sleep_ms=0
frame_limit=150

[graphic]
shadows_enabled=true
compositors_enabled=true
gamma_exponent=1.2
fidelity=hi
full_screen=false
width=1440
height=900
color_depth=32
vsync=true
display_frequency=60

[gui]
closeup_exit_tolerance=1

[audio]
enabled=true
master=1
music=0.2
speech=1
effects=1
ambient=0.5
footsteps=1
background_speech_loud=0.8
background_speech_silent=0

[animation]
gesturePauseMin=1
gesturePauseMax=3.5