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Introduction
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01.Tour & Design
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02.Blacks & Whites
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03.Color Accuracy
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04.Motion
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05.Viewing Effects
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06.Calibration
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07.Connectivity
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08.Remote Control
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09.Audio & Menus
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10.Multimedia & Internet
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11.Power Consumption
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12.Vs Sony KDL 40W5100
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13.Vs Panasonic TC-P42S1
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14.Vs Samsung LN40B610
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15.Conclusion
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16.Series Comparison
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17.Photo Gallery
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18.Ratings & Specs
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19.Comments
Samsung LN40C630
Previous: Page 2
Blacks & WhitesNext: Page 4
MotionColor Accuracy
Good color temperature and color representation. Inaccurate color gamut.
Color Temperature (7.84)
On the graph below, anything outside of the faintly tinted box indicates a perceptible shift. As the Samsung LN40C630’s greyscale gets darker, the curve pops above the perceptibility threshold, giving those shades a noticeable blue tint. More on how we test color temperature.
| Read Reviews of Comparison Products | ||
|---|---|---|
 Sony Bravia KDL-40W5100 |
 Panasonic Viera TC-P42S1 |
 Samsung LN40B610 |
RGB Curves (7.83)
The LN40C630 did well on our color representation tests. Those little bumps indicate some very minor loss of details. This will probably only be noticeable when there’s a smooth gradient onscreen, such as the glow of a moon on a foggy night; in such instances, the smooth transition between colors will be relplaced by a subtle series of rings, as one color jumps to the next. More on how we test RGB curves.
Below you’ll find the above graph plotted out as a gradient bar. We’ve also posted a few of the competing TVs in this size. Look for vertical bars that indicate a loss of detail, and the point at which the blacks bottom out.
| Red Response Comparison | |
|---|---|
| Ideal Response |  |
| Samsung LN40C630 |  |
| Sony Bravia KDL-40W5100 |  |
| Panasonic Viera TC-P42S1 |  |
| Samsung LN40B610 |  |
| Green Response Comparisons | |
|---|---|
| Ideal Response |  |
| Samsung LN40C630 |  |
| Sony Bravia KDL-40W5100 |  |
| Panasonic Viera TC-P42S1 |  |
| Samsung LN40B610 |  |
| Blue Response Comparisons | |
|---|---|
| Ideal Response |  |
| Samsung LN40C630 |  |
| Sony Bravia KDL-40W5100 |  |
| Panasonic Viera TC-P42S1 |  |
| Samsung LN40B610 |  |
Color Gamut (6.34)
The colors a TV displays are supposed to adhere to rec. 709, which is an industry-wide standard. This is to ensure all TVs are displaying roughly the same spectrum.
The LN40C630 boldly flies in the face of this standard by trending towards an oversaturated blue that’s slightly more towards red than it should be. Greens are also a bit oversaturated, but not significantly. While it’s not the worst gamut we’ve seen, it is much worse than the average TV. More on how we test peak color gamut.
The table below contains all the numeric details of the Samsung LN40C630’s color gamut performance, compared to the rec. 709 standards.
| Rec. 709 versus Samsung LN40C630 | |||
|---|---|---|---|
| u' (rec.709/measured) | v' (rec.709/measured) | Error | |
| Red | 0.4507 / 0.4543 | 0.5229 / 0.5224 | 0.0036 |
| Green | 0.125 / 0.1271 | 0.5625 / 0.5621 | 0.0021 |
| Blue | 0.1754 / 0.1764 | 0.1579 / 0.1478 | 0.0101 |
| D65 (White) | 0.1978 / 0.1923 | 0.4683 / 0.4675 | 0.0056 |
| Other Models in the LNxxC630 Series | |
|---|---|
| For more information on other models in this series, check our Series Comparison Page. | |
 Samsung LN46C630 46 in. |
 Samsung LN55C630 55 in. |
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