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Samsung SyncMaster 770P : PVA 6ms, 1500:1
by Vincent Alzieu
Published on October 19, 2005

Samsung goes down to 6 ms
Our tests are conclusive: AU Optronics is no longer the only company to sell fast panels, good for gaming and with very wide viewing angles. Finally, after several failed attempts, Samsung produces a fast Super-PVA 6 ms panel. They claim to have a lower response time than AU Optronics and its P-MVA panel (featured in the famous ViewSonic VP191b and more recently in the Belinea 10 19 20) and a record contrast ratio of 1500:1. So far, tests have always proven their characteristics to be valid and so Samsung has the possibility of replacing MVA 8 ms monitors, the market core for multi-purpose screens.

This new panel generation comes in an extremely attractive monitor, the SyncMaster 770P, and we can see that Samsung has made a lot of effort for this product: the best panel, a new base, automatic pivot mode, a very nice design and finishing touches, and good standard settings. Unfortunately, the downside of all these improvements is the price, and it hurts to see the SM 770P, the 17” version at 445 €, and the SM 970P (not tested, but based on the same panel technology and contrast ratio of “only” 1,000:1) at 649€.

Color fidelity and calibration, game reaction time, video quality, ergonomics, viewing angles, and the quality of interpolation…every aspect of each monitor is examined.

For color fidelity we use the LaCie Blue Eye Pro colorimeter, based on the Gretag tool and coupled with the new LaCie software suite. More evolved than the previous version, this helps us to compare a monitor’s display quality (color spectrum and DeltaE) in standard settings and after calibration. Results are sometimes surprising as it’s often best to take the time to manually adjust colors (or at least contrast, brightness and color temperature).

For game tests, nothing is better than a couple hours of UT 2004, (we call this work) to have a good idea of a monitor’s reaction time. We have added extracts of afterglow in two environments. The first is between bright colors and the second is for black and white (like in wire frame mode). The software used is Pixel Persistence Analyzer (or PixPerAn for regular users). Pictures showing ghosting effects are captured with a Canon 350D at a shutter speed of 1/1000 s. We take 50 pictures in burst mode for each test to precisely measure the progression of afterglow between images.

The test computer is self-assembled and has an AMD Athlon XP3200+ processor and NVIDIA GeForce 6800 GT card.

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