which is better for gaming?

Acer Aspire M5711 Desktop PC

Operating System
Genuine Windows Vista Home Basic

Processor & Cache Memory

Intel Core 2 Duo Processor E7300
2.66GHz, 3MB L2 Cache, 1066MHz

Chipset_test

nVidia Nforce 720i Chipset

Main Memory

4GB DDR2 800MHz

Monitor

Acer X193HQAXB 18.5" LCD Monitor

Video Graphics & Memory

Nvidia GeForce GT120 1GB w/ HDMI, DVI, D-SUB

Hard Drive

320GB 7200RPM SATA II

Optical Drive

16x SuperMulti Optical Drive w/ Label Flash Technology

Card Reader
Built-in Multi-in-one card reader

Fax/Modem/LAN/WLAN

10/100/1000Mbps Gigabit LAN, 56k Modem, 802.11b/g WiFi

Audio

High Defenition Audio 7.1 Channel Surround Sound support

Other

USB Keyboard, Mouse & Speakers
w/ Acer Empowering Technology



OR


Vpc V-Power Ci57521i Core i5 PC LGA1156

Vpc

Specifications:
Intel Core i5-750 Quad Core Processor 2.66GHz, 8MB Smart Cache
w/ Intel Turbo Boost Technology
Intel Desktop Board DP55WB LGA1156
~ Intel P55 Express Chipset
~ 8-channel Intel High Definition Audio
~ 10/100/1000Mbps Gigabit LAN
~ Firewire port
2GB DDR3 1333MHz Memory Apacer
500GB 7200RPM Hard Disk Drive SATA II Seagate
Embedded Multi Card Reader Black
Inno3D nVidia GeForce 9400GT 512MB DDR2, 128bit PCI-E w/ DVI/TV-out
Frontier (Pure FC-PU11A/Chant/Ultimate/HA11A) ATX Casing w/ 500W Power Supply
Genius Comfy KB-110 Keyboard USB
Genius Netscroll 100X Optical Mouse USB
22X DL DVD+-RW Drive SATA Samsung
Viewsonic VA1928wm 19" Widescreen TFT LCD w/ DVI & Integrated Speakers