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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.Sharp LC-40LE700UN Comparison
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13.Toshiba 46RV525R Comparison
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14.Samsung LN46B750 Comparison
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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
Toshiba Regza 46XV648U
Previous: Page 2
Blacks & WhitesNext: Page 4
MotionColor Accuracy
Relatively smooth RGB color curves. Some hiccups in the blue channel.
Color Temperature (9.13)
The Toshiba 46XV648U showed an excellent color temperature consistency in our lab tests. You can see from the charts below that the error rarely strayed into the range of human perception. Only when the signal got very dark did the color temperature get a little warm. More on how we test color temperature.
| Read Reviews of Comparison Products | ||
|---|---|---|
 Sharp Aquos LC-40LE700UN |
 Toshiba 46RV525R |
 Samsung LN46B750 |
RGB Curves (8.28)
The Toshiba 46XV648U had a relatively good color curve performance, though it was not without its hiccups. In the chart below, you can see the results from testing every intensity level in the red, green, and blue channels. The ideal performance is a smooth, sloping curve. Bumps indicate areas where you can expect color banding to occur where there should otherwise be a smooth transition. That big bump in the blue channel is unusual. We could see the error pretty clearly if we displayed a band of blue across the screen. All we can say is we hope you don’t see this particular color too often when you’re watching TV. More on how we test RGB curves.
The color strips below are digital recreations of the three lines in the chart above. It’s all 255 increments that make up each channel. Note how none of the TVs manage to get the shadow detail of the Ideal Response.
| Red Response Comparison | |
|---|---|
| Ideal Response |  |
| Toshiba Regza 46XV648U |  |
| Sharp Aquos LC-40LE700UN |  |
| Toshiba 46RV525R |  |
| Samsung LN46B750 |  |
| Green Response Comparisons | |
|---|---|
| Ideal Response |  |
| Toshiba Regza 46XV648U |  |
| Sharp Aquos LC-40LE700UN |  |
| Toshiba 46RV525R |  |
| Samsung LN46B750 |  |
| Blue Response Comparisons | |
|---|---|
| Ideal Response |  |
| Toshiba Regza 46XV648U |  |
| Sharp Aquos LC-40LE700UN |  |
| Toshiba 46RV525R |  |
| Samsung LN46B750 |  |
Color Gamut (5.15)
The Toshiba 46XV648U matched up decently with the rec. 709 color standard. The green and the blue points are a bit off the mark, but the red point is quite close. More on how we test peak color gamut.
The table below contains all the numeric details of the Toshiba Regza 46XV648U’s color gamut performance, compared to the rec. 709 standards.
| Rec. 709 versus Toshiba Regza 46XV648U | |||
|---|---|---|---|
| u' (rec.709/measured) | v' (rec.709/measured) | Error | |
| Red | 0.4507 / 0.4563 | 0.5229 / 0.5229 | 0.00617414 |
| Green | 0.125 / 0.125 | 0.5625 / 0.562 | 0.015602884 |
| Blue | 0.1754 / 0.1754 | 0.1579 / 0.1579 | 0.015602884 |
| D65 (White) | 0.1978 / 0.1979 | 0.4683 / 0.4652 | 0.003101612 |
| Other Models in the xxXV648U Series | |
|---|---|
| For more information on other models in this series, check our Series Comparison Page. | |
 Toshiba Regza 40XV648U 40 in. |
 Toshiba Regza 52XV648U 52 in. |
Shop for the Toshiba 46XV648U
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