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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.Remote Control
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08.Connectivity
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09.Audio & Menus
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10.Formats & Media
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11.Power Consumption
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12.Vs Panasonic TCP42S1
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13.Vs Samsung LN40B610
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14.Vs Sony KDL40W5100
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15.Conclusion
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16.Series Comparison
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17.Ratings & Specs
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18.Comments
VIZIO VL420M
Previous: Page 10
Formats & MediaNext: Page 12
Vs Panasonic TCP42S1
Power Consumption Summary
• With average use, this display would cost about $27 a year to run
• With the backlight at maximum, that rises to $35.84
Power Consumption (8.66)
It's safe to say that the amount of power that the VL420M uses is not likely to give you a heart attack when you get the electricity bill, but in these ecologically cautious times, it's good to know how much power a display will use. We test this by setting the display to a standard brightness level (so the whites have a luminance of about 200 cd/m2), then measure the amount of power that it consumes playing back a recorded TV show. We found that the VL420M would use about 137 watts of power, which works out to a running cost of just under $27 a year (assuming that you watch an average of 5 hours of TV a day). That's a touch higher than most, but it is certainly not outrageous.
| Setting | Average Watts | Cost per Year |
| Standard (Backlight 71) | 137.7 | $26.98 |
| Maximum (Backlight 100) | 183.3 | $35.84 |
| Minimum (Backlight 0) | 49.16 | $9.60 |
The chart below shows the cost of the Vizio compared with other displays. Although the size of the displays varies, they were all set to produce the same screen brightness (except the Panasonic plasma, which could not manage to reach it; we set that one to maximium brightness).
| Power Consumption | |
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