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Initial impressions of the image quality and performance are varied. Text is clear and sharp, with a nice level of contrast and definition all the way down to 6.8 in the Arial font. Having seen a great number of "high colour gamut" monitors of late the lack of vibrancy in this standard 72 per cent gamut model is noticeable, though among cheaper 24in LCDs only the HP w2408h can claim a higher colour gamut and it's the more expensive of the current crop of TN based displays. Compared to either the Samsung SyncMaster 245B or the Iiyama ProLite B2403WS, the colour production is more or less identical and though it isn't superbly vibrant, it's not dull or pastey.
Looking at some display tests it's clear that the G2400W struggles in all the areas you'd normally expect in cheaper monitors. Dark level detail is lacking, with darker shades of grey indistinguishable from a black background. Shading is, however, pretty decent with little in the way of nasty brown/yellowish contamination of dark grey shades. Equally, at the brighter end of the scale you can't quite distinguish the lighter shades of grey against a white background and while some shades do have a bluish tinge in sRGB mode, it's fairly minor.
Meanwhile, in the 256 colour intensity scales there is a very subtle level of banding. It's faint, but it is there and this is clear evidence of dithering, where the monitor is artificially making up colours to make up the full set. This is also noticeable in colour scales and though the whole scale is produced well enough, the definition between colours in the middle of the scale in particular isn't what it could be. Overall, though, in colour production the G2400W makes a decent effort. Only the more discerning will notice and/or be bothered by its deficiencies, while for gaming, which is generally more forgiving, it's more than adequate while obviously offering that large and desirable 24 inches of viewable area.
There is, however, one significant caveat because although the colour production is largely adequate, the G2400W does exhibit significant levels of backlight bleed. It's most noticeable from the bottom left quadrant, but is also evident across the bottom edge and to a lesser extent the top as well. Indeed, turn out the lights and look at a black screen and you'll see that overall the black levels are weak, with a generally grey look that varies across the screen.
This overriding greyness is borne out in videos, which are most sensitive to the vagaries of poor black levels. As a result, video playback is tolerable but it's by no means outstanding. Of course, you can still play high-def content and it'll look suitably sharp, but TV quality it won't be and you'll be missing out on a lot of finer detail.
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