please help in chosing the best out of these two -dell xps 15 and hp dv6 3123tx
my areas of concern are the display screen quality,performance,life,batery backup,graffics performance,...and an overall opinion which is better
the specification are
for dell xps 15-
PROCESSOR Intel(R) Core(TM) i5-480M processor(2.66GHz, 4Threads, turbo boost up to 2.93Ghz, 3M cache) edit
OPERATING SYSTEM Genuine Windows® 7 Home Premium 64bit (English) edit
SECURITY SOFTWARE McAfee(R) Security Center - 30 Days Trial Version edit
DISPLAY 15.6 HD (1366x768) WLED display with TrueLife™ edit
MEMORY 4GB 1333MHz DDR3 SDRAM (1 x 4G) (operates at 1066MHZ for Core i5 processors) edit
HARD DRIVE 500GB 7200RPM Hard Drive edit
OPTICAL DRIVE Tray Load 8X DVD+/-RW Drive with DVD+R double layer write capability edit
VIDEO CARD 1GB NVIDIA® GeForce® GT 420M graphics with Bluetooth (with WIDI) edit
BATTERIES 6 Cell Primary Battery edit
KEYBOARD Dell™ Keyboard with Touchpad (English)
for hp dv6 3123tx-
Operating system installed
Genuine Windows® 7 Home Premium 64-bit
Processor
Intel® Core™ i7-720QM Processor
• 1.6 GHz
Chipset
Intel® HM55 chipset
Memory
Standard memory
4 GB DDR3 (2 x 2048 MB)
Memory slots
2 user accessible memory slots
Storage
Internal drives
640 GB SATA Hard Disk Drive 5400 rpm
Optical drives
SATA optical drive: LightScribe SuperMulti DVD±R/RW with Double Layer Support
Graphics
Display size (diagonal)
39.6 cm (15.6") diagonal High-Definition LED HP BrightView Display
Display resolution
1366 x 768
Graphics
ATI Mobility Radeon™ HD 5650 Graphics with 1 GB dedicated