Dell Alienware M17 vs Dell Precision M6800

Hi everyone,

Local store has 2 powerful laptops, they are Dell Alienware M17 vs Dell Precision M6800 with configuration below:

1. Dell Alienware M17

CPU: Intel Core i7 Extreme 4930XM 3.0Ghz (8CPU) Turbo 3.8Ghz 8MB Cache
RAM: 32GB PC3L DDR3 Buss 1600MHz
HARD DISK: SSD 1000GB (4x256GB Msata)
VGA: NVIDIA GTX880 8GB 256Bit DDR5 share ram 30GB + Intel HD 4600
LCD: 17" Anti Glare Led, IPS Full HD Display (1920x1080), TrueVision HD Webcam
OS: Windown 7 Pro 64bit License
LAN : Ethernet (10/100/1000), Bluetooth 4.0
WIFI: Wireless-N Wi-Fi (802.11b/g/n) for connectivity
OPTION: 4 Super Speed USB 3.0, 01 HDMI, 01 RJ45, 01 Headphone out/microphone in combo,Backlit keyboard
BATTERY: 8-cell Lithium ion
WARRANTY: 1 Year

2. Dell Precision M6800

CPU: Intel Core i7 4800MQ 2.7Ghz (8CPU) Turbo 3.7Ghz 6MB Cache
RAM: 16GB DDR3L Buss 1600MHz (Max 32GB)
HARD DISK: SSD 128GB Sata 3 6G/s + HDD 1TB
VGA: NVIDIA Quadro K4100M 4G 256bit DDR5 Share ram 16G + Intel HD 4600
LCD: 17.3 inch Anti Glare Full HD UltraSharp (1920x1080)
OS: Win 8.1 Pro 64bit - License
LAN : Ethernet (10/100/1000), Bluetooth 4.0
WIFI: Wireless-N Wi-Fi (802.11b/g/n) AC for connectivity
OPTION: DVD/RW, HDMI, DisPlay Port, Vga out, USB 3.0, Card Reader...Full options
BATTERY: Up to 4 hours of battery life (9-cell)
WARRANTY: 1 Year

AS your experience, which one is better for me. I'm a programer

Thanks in advance!