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Samsung PN51D450A2D Plasma HDTV Review

51 in.

An inappropriately low resolution for a TV its size, and it lacks much else to make up for this shortcoming.

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Color Accuracy

Color Accuracy Summary
Editorial Note: This is a review of the Samsung PN51D450. Test results are for this model, but should indicate the general performance of other sizes in the PNxxD450 series. The PNxxD450 series includes the following models: the PN43D450 and the PN51D450.  Read here for more details on series differences.
{{article.attachments['Samsung-PN51D450-vanity.jpg']}} • Decent RGB curves • Good color temperature error • Mediocre color gamut • Testing done using DisplayMate Software
{{article.attachments['tvi-prev.jpg']}} Blacks & Whites Page 4 of 18 Motion {{article.attachments['tvi-next.jpg']}}

Color Temperature*(9.29)*


As you can see from the chart below, the Samsung PN51D450 performs very well in terms of color temperature error: very seldom does it display an inaccurate color temperature that is perceptible to the human eye. (More on how we test Color Temperature.)

Color Temperature
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Compare the Samsung PN51D450 to other HDTVs
{{article.attachments['Samsung-PN50C550-vanity.jpg']}} {{article.attachments['Panasonic-TC-P42X3-vanity.jpg']}} {{article.attachments['Vizio-E321VL-vanity.jpg']}}
Samsung PN50C550 50 inches Panasonic TC-P42X3 42 inches Vizio E321VL 32 inches

 

RGB Curves*(7.86)*


The Samsung PN51D450 gave us a fairly odd RGB performance, as you can see from the chart below. We typically look for smooth, uniform curves that don't shift their slopes downward or vary too much, but the blue levels of the PN51D450 did exactly that. It's not entirely clear why this happened, but what we can tell you is: because of this, there are going to be many shades of blue that simply aren't displayed correctly on your screen. Beyond that, there are also several small spikes in the other two lines, indicating color values that the TV simply can't display, so those of you with a strong visual acumen might notice some color banding in shadows. (More on how we test RGB Curves.)

RGB Curves
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Below are linear representations of each color curve in a strip format, for each of the comparison models, as well as the ideal response. Take special note of any color banding you may see, as it indicates ranges of color values that a TV can't produce correctly.

Red Response Comparisons
Ideal Response {{article.attachments['Ideal-Response-redstrip.jpg']}}
Samsung PN51D450 {{article.attachments['Samsung-PN51D450-redstrip.jpg']}}
Samsung PN50C550 {{article.attachments['Samsung-PN50C550-redstrip.jpg']}}
Panasonic TC-P42X3 {{article.attachments['Panasonic-TC-P42X3-redstrip.jpg']}}
Vizio E321VL {{article.attachments['Vizio-E321VL-redstrip.jpg']}}

 

Green Response Comparisons
Ideal Response {{article.attachments['Ideal-Response-greenstrip.jpg']}}
Samsung PN51D450 {{article.attachments['Samsung-PN51D450-greenstrip.jpg']}}
Samsung PN50C550 {{article.attachments['Samsung-PN50C550-greenstrip.jpg']}}
Panasonic TC-P42X3 {{article.attachments['Panasonic-TC-P42X3-greenstrip.jpg']}}
Vizio E321VL {{article.attachments['Vizio-E321VL-greenstrip.jpg']}}

 

Blue Response Comparisons
Ideal Response {{article.attachments['Ideal-Response-bluestrip.jpg']}}
Samsung PN51D450 {{article.attachments['Samsung-PN51D450-bluestrip.jpg']}}
Samsung PN50C550 {{article.attachments['Samsung-PN50C550-bluestrip.jpg']}}
Panasonic TC-P42X3 {{article.attachments['Panasonic-TC-P42X3-bluestrip.jpg']}}
Vizio E321VL {{article.attachments['Vizio-E321VL-bluestrip.jpg']}}

 

Color Gamut*(3.93)*


Even calibrated to peak performance, the Samsung PN51D450 had some issues displaying the internationally agreed upon color values for HDTVs: the rec. 709 standard. Not only were the reds, greens, and blues oversaturated, but they were also shifted a bit. Consequently, the PN51D450 didn't do so well in our scoring here. (More on how we test Color Gamut.)

Color Gamut
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If you'd to read up on all the crazy-precise measurements we took to calculate color error in the gamut, below is a table with all the pertinent data.

  u' (rec.709/measured) v' (rec.709/measured) Error
Red (0.4507 / 0.4674) (0.5229 / 0.5262) 0.017022926
Green (0.125 / 0.1074) (0.5625 / 0.5529) 0.020047943
Blue (0.1754 / 0.1808) (0.1579 / 0.1387) 0.019944924
D65 (white point) (0.1978 / 0.2006) (0.4683 / 0.461) 0.007818568

 

Other Models in the PNxxD450 Series
This is a review of the Samsung PN51D450. The other sizes of HDTVs in this series should be similar in terms of performance and usability. For details about any differences, click on the image to jump to the Series Comparison page.
{{article.attachments['Samsung-PN51D450-series43.jpg']}} {{article.attachments['Samsung-PN51D450-series51.jpg']}}
Samsung PN43D450 43 inches Samsung PN51D450 51 inches
Our editors review and recommend products to help you buy the stuff you need. If you make a purchase by clicking one of our links, we may earn a small share of the revenue. Our picks and opinions are independent from any business incentives.

Sections

  1. Introduction
  2. Tour & Design
  3. Blacks & Whites
  4. Color Accuracy
  5. Motion
  6. Viewing Effects
  7. Calibration
  8. Connectivity
  9. Audio & Menus
  10. Multimedia & Internet
  11. Power Consumption
  12. Vs. Samsung PN50C550
  13. Vs. Panasonic TC-P42X3
  14. Vs. Vizio E321VL
  15. Conclusion
  16. Series Comparison
Our editors review and recommend products to help you buy the stuff you need. If you make a purchase by clicking one of our links, we may earn a small share of the revenue. Our picks and opinions are independent from any business incentives.
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Our editors review and recommend products to help you buy the stuff you need. If you make a purchase by clicking one of our links, we may earn a small share of the revenue. Our picks and opinions are independent from any business incentives.
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