You must determine your hardware exactly. You can't guess. Find out what the actual CPU and graphics configuration is before proceeding.
Yep, I use CPU-Z, device management and Everest from Windows to find exactly hardware:
Hewlett-Packard HP ProBook 6470b
- Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz Cache L3 3 MB
- Mother Hewlett-Packard 179C KBC versión 42.36 BIOS 68ICE Ver. F.45 Chipset HM76
- Single module 4Gb DDR3 Micron Tecnology
- Graphics Intel(R) HD Graphics 4000
- Intel(R) 7 Series Chipset Family SATA AHCI Controller
- Samsung SSD 840 Series (111 GB)
- hp DVDRAM GT50N Optical Disk
- High Definition Audio [8086-1E20] [NoDB]
- Ethernet WiFi Broadcom BCM943228HM4L 802.11a/b/g/n 2x2
- Intel(R) 82579V Gigabit Network Connection
- Synaptics PS/2 Port TouchPad
- Broadcom 20702 Bluetooth 4.0 Adapter
- Biometric Validity Sensor (VFS491)
- JMicron OHCI Compliant IEEE 1394 Host Controller
- HP HD Webcam
- Card Reader JMicron PCIe SD Host Controller
is it full compatible with OSX?