Anyway, not bad for a low budget game, video, MP3 and radio device, isn't it?
Screen comparisons of Dingoo, NDS, PSP ans GBA.
(diagonal, hight X width, aspect ratio, area, megapixel)
Dingoo & GP2X Wiz (2009):
2.8" = 7.1 cm = 5.7 x 4.3 cm (4:3)
320 x 240 pix. = 0.08 Mpix.
O = 24 cm2
NDS lite (2004):
3" = 7.6 cm = 6.1 x 4.6 cm (4:3)
256 x 192 pix. = 0.05 Mpix.
O = 28 cm2
Sony PSP lite (2005):
4.3" = 10.9 cm = 9.5 x 5.3 cm (16:9)
480 x 272 pix. = 0.13 Mpix.
O = 50 cm2
Nintendo GBA-sp (2001):
2,9" = 7.4 cm = 6.1 cm x 4.1 cm (3:2)
240 x 160 pix. = 0.04 Mpix.
O = 25 cm2
iPod Classic:
2.5" = 6.35 cm = 5 cm x 3.8 cm (4:3)
320 x 240 pix. = 0.08 Mpix.
O = 19 cm2
iPhone/iPod Touch:
3.5" = 8.9 cm = 8.2 x 4.9 (3:2)
480 x 320 pix. = 0.15 Mpix.
O = 40 cm2