Tech Specs & Design: very averageThe E2351 doesn't have much to help it stand out from the crowd, and there's nothing out of the ordinary about its inputs and outputs. For video, VGA, DVI and HDMI cover all your bases while there's only a headphone jack for audio. Given that there are no built-in speakers, that line out is the only way to pick up the audio signal carried over the HDMI cable.
The design might well be easy on the eye, but that isn't included in our score, even if it could tip the balance for some customers. The ultra-thin glossy frame is all clean lines. The E2351 still loses a point compared to the Asus VS247H, because the former has an external transformer, meaning it trails behind the display, sitting either on your desk or down on the floor.
Responsiveness: mostly for web browsing and office workWe had no surprises during our responsiveness tests, measuring an average ghosting time of 20.5 ms, which corresponds more or less with the promised tech spec of a 5 ms TN display. That means that the E2351V is a screen that's best left to office work or web browsing. Games and other apps with fast-moving objects will end up looking blurry. If you're thinking about something like that, you'd better look at another monitor.
This graph shows the ghosting time, measured in ms, that the monitor takes to entirely remove the previous frame. The shorter the time, the more fluid moving images will appear
The input lag is perfectly average: there is a slight delay, but it's small enough to be invisible to the naked eye.
Colours need calibratingOn one hand, we're happy to congratulate LG's efforts to make sure that the default settings produce this monitor's best results. Those colours, however, are from accurate. We measured an average deltaE—the discrepancy between the colours in the video input and those actually shown on the display—of 5.4. A score like that is a long way from the top of the table. To get more accurate results, you'll either have to calibrate the colours yourself using your own equipment, or else download one of our calibration profiles.
Default deltaE on the LG Flatron E2351
Contrast is only a little better. The E2351 has an average contrast ratio of around 950:1, coming in above the average value of 850:1 across other monitors we've tested. Be careful, though, as it's not fixed. When you turn down the brightness, the contrast falls away. With brightness at 200 cd/m² (down from the 250 cd/m² average), the contrast ratio is a mere 780:1. When you go down to 100 cd/m², it falls as low as 620:1.