the hp envy's can be either dual core i5s or quad cores i7s. That's a $100 difference.
Base specs for $1299:
Windows 7 Home Premium 64-bit
2nd generation Intel(R) Dual Core(TM) i5-2410M (2.3 GHz, 3MB L3 Cache) with Turbo Boost up to 2.9GHz
1GB GDDR5 Radeon(TM) HD 6850M Graphics [HDMI]
6GB 1333MHz DDR3 System Memory (2 Dimm)
750GB 7200RPM Hard Drive with HP ProtectSmart Hard Drive Protection
6-Cell Lithium-Ion Battery (standard) - Up to 2.25 hours of battery life +++
17.3" diagonal HD+ HP BrightView Infinity LED Display (1600 x 900)
SuperMulti 8X DVD+/-R/RW with Double Layer Support
Blu-ray player & SuperMulti DVD burner
HP TrueVision HD Webcam
Intel 802.11a/b/g/n WLAN and Bluetooth(R) with Wireless Display Support
Keyboard
Backlit Keyboard with numeric keypad
More info on the graphics card:
http/www.notebookcheck.net/AMD-Radeon-HD-6850M.43079.0.html
Overall a great system.