These ship with both AUO and Samsung. So, you may want to check yours when you get it.
Here is the info I gathered on the AUO vs the Samsung:
The biggies are the Contrast Ratio and the Brightness
Contrast Ratio advertised 700:1 AUO 500:1
Brightness advertised 300 cd/m² AUO Brightness 270 cd/m²
From Dell:
http://accessories.us.dell.com/sna/prod...&l=en&mnf=694&Page=productlisting.aspx
19-inch, LCD, Up to 1280x1024 Pixels, 300 cd/m² Brightness, 700:1 Contrast Ratio, 0.294 mm Pixel Pitch, Analog / DVI-D / USB Connectors
Dell Part #: 19073YR, Manufacturer Part #: DC323
From AUO:
http://www.auo.com/auoDEV/products.php?...tor&func=info&product_id=62&items_id=1
Resolution (pixel) SXGA (1280 x 1024)
Aspect Ratio 5 : 4
Active Area (mm) 376.3 x 301.1
Pixel Pitch (mm) 0.294
Mode TN
Number of Colors 16.2M
Color Saturation (%) 72
View Angle (H/V) 150 / 135
Brightness (cd/m²)270
Contrast Ratio 500 : 1
Response Time (ms) (at 25°C) 8
Power Consumption (W) 28.0
Interface 2ch LVDS
Supply Voltage (V) 5
Backlight 4 CCFL
Outline Dimensions (mm) 396.0 x 324.0 x 17.5
Weight (g) 2500
Production Now
Remark Narrow BezelModel M190EN04 V5