in europe
Acer GD245HQbid 60cm / 23.6" Wide 3D Vision LCD, 16:9 FHD, Analog, DVI & HDMI, 80.000:1, 2ms, Black
in us
23.6" wide-screen TFT LCD; 1920 x 1080 resolution; 80000:1 dynamic contrast ratio; 170°/160° horizontal/vertical viewing angles; VGA, DVI, HDMI™ (HDCP) connectors; 300 cd/m2 brightness; 2ms gray-to-gray response time; black color
so same screen from what I can see
the alienware
Alienware OptXTM AW2310 3D monitor’s 23" display with a Full HD 1920 x 1080 resolution, 16:9 aspect ratio, 400 cd/m2 brightness and 80,000:1 dynamic contrast ratio
so some differences... slower, smaller, brighter... or are the differences real? or are the panels the same? measuring them should cover it.