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Why RAM Preview 2x faster on Macbook Pro vs Desktop PC?

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Hello everyone,

 

I RAM Previewed a few seconds of an AE CS6 project on a Desktop PC I recently had custom-built, and was distraught to discover it was twice as slow as previewing the exact clip on my Macbook Pro. The project involves simple 3D camera movements. Why might this be so, and can I tweak my PC settings to get more out of it?? I will greatly appreciate any feedback I can get...I'm still new to the Adobe world, and even newer to computer configuration. Thank you!

 

Desktop PC

 

16 GB RAM DDR3

Intel Core i7-4770K Haswell 3.5GHz

Asus Sabertooth Z87 motherboard

GTX770 2GD5 video card

Samsung 840 EVO SSD/1TB 7200 RPM HDD

Windows 7 Home Premium 64bit

 

Macbook Pro (August 2012)

 

8 GB RAM DDR3

2.3 GHz Intel Core i7

NVIDIA GeForce GT 650M 512 MB

OS X 10.9.1

 

AE Configuration for PC:

 

max disk cache size: 10 gb

11/16 gb RAM reserved for other apps

4/8 CPUs reserved for other apps

2GB RAM allocation per background CPU

render multiple frames simultaneously is checked

 

AE Configuration for MBP:

 

max disk cache size: 10 gb

4/8 gb RAM reserved for other apps

4/8 CPUs reserved for other apps

1GB RAM allocation per background CPU

render multiple frames simultaneously is checked

 

 

Thank you!!


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