After Effects CS5.5 Requirements.
Windows
•Intel® Pentium® 4 or AMD Athlon® 64 processor (Intel Core™ i3, i5, or i7 or AMD Phenom® II recommended); 64-bit support required
•64-bit operating system required: Microsoft® Windows Vista® Home Premium, Business, Ultimate, or Enterprise with Service Pack 1 or Windows® 7
•2GB of RAM
•3GB of available hard-disk space plus 2GB of space for optional content; additional free space required during installation (cannot install on removable flash storage devices)
•1280x800 display with OpenGL 2.0–compatible graphics card
•DVD-ROM drive
•QuickTime 7.6.2 software required for QuickTime features
•Broadband Internet connection required for online services and to validate Subscription Edition (if applicable) on an ongoing basis*
Mac OS
•Multicore Intel processor with 64-bit support
•Mac OS X v10.5.8 or v10.6
•2GB of RAM
•4GB of available hard-disk space plus 2GB of space for optional content; additional free space required during installation (cannot install on a volume that uses a case-sensitive file system or on removable flash storage devices)
•1280x800 display with OpenGL 2.0–compatible graphics card
•DVD-ROM drive
•QuickTime 7.6.2 software required for QuickTime features
•Broadband Internet connection required for online services and to validate Subscription Edition (if applicable) on an ongoing basis*
Adobe Premiere Pro CS5.5 Requirements.
Windows
•Intel® Core™2 Duo or AMD Phenom® II processor; 64-bit support required
•64-bit operating system required: Microsoft® Windows Vista® Home Premium, Business, Ultimate, or Enterprise with Service Pack 1 or Windows® 7
•2GB of RAM (4GB or more recommended)
•10GB of available hard-disk space for installation; additional free space required during installation (cannot install on removable flash storage devices)
•7200 RPM hard drive for editing compressed video formats; RAID 0 for uncompressed
•1280x900 display with OpenGL 2.0-compatible graphics card
•Adobe-certified GPU card for GPU–accelerated performance; visit www.adobe.com/go/premiere_systemreqs for the latest list of supported cards
•Adobe-certified card for capture and export to tape for SD/HD workflows
•OHCI-compatible IEEE 1394 port for DV and HDV capture, export to tape, and transmit to DV device
•Sound card compatible with ASIO protocol or Microsoft Windows Driver Model
•DVD-ROM drive compatible with dual-layer DVDs (DVD+-R burner for burning DVDs; Blu-ray burner for creating Blu-ray Disc media)
•QuickTime 7.6.2 software required for QuickTime features
•Adobe® Flash® Player 10 software required to play back DVD projects exported as SWF files
•Broadband Internet connection required for online services and to validate Subscription Edition (if applicable) on an ongoing basis*
Mac OS
•Multicore Intel processor with 64-bit support
•Mac OS X v10.5.8 or v10.6.3; Mac OS X v10.6.3 required for GPU-accelerated performance
•2GB of RAM (4GB or more recommended)
•10GB of available hard-disk space for installation; additional free space required during installation (cannot install on a volume that uses a case-sensitive file system or on removable flash storage devices)
•7200 RPM hard drive for editing compressed video formats; RAID 0 for uncompressed
•1280x900 display with OpenGL 2.0–compatible graphics card
•Adobe-certified GPU card for GPU–accelerated performance; visit www.adobe.com/go/premiere_systemreqs for the latest list of supported cards
•Core Audio–compatible sound card
•DVD-ROM drive compatible with dual-layer DVDs (SuperDrive for burning DVDs; external Blu-ray burner for creating Blu-ray Disc media)
•QuickTime 7.6.2 software required for QuickTime features
•Adobe Flash Player 10 software required to play back DVD projects exported as SWF files
•Broadband Internet connection required for online services and to validate Subscription Edition (if applicable) on an ongoing basis*
I'm sure you're computer is very powerful enough to run both programs.
I have the master collection myself. And my computer is no where near your settings but runs PERFECTLY fine.
Hope this helped.