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LCD Performance Analysis

Amazon's Kindle Fire HD: Better; Can It Compete With The Nexus 7?
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LCD Performance (Background Info)

Subpixels on Kindle Fire HDSubpixels on Kindle Fire HD

After spending considerable time benchmarking Amazon's newest tablets, two things can be definitively concluded:

  • The second-generation Kindle Fire is identical to the first with respect to LCD quality.
  • The Kindle Fire HD is a marked improvement over its non-HD counterpart.

The Kindle Fire HD's pixel density is 216 PPI, identical to the Nexus 7. This doesn't mean the two tablets' screen perform the same, though. In fact, the Kindle Fire HD proves to be substantially brighter, reaching a maximum of 414 cd/m2, which is roughly 10% higher than the Nexus 7.

Despite a slightly low contrast ratio at ~860:1, the Kindle Fire HD renders 59% of the Adobe RGB 1998 and 84% of SRB. This is a marked improvement over the Nexus 7. Google's tablet excels in red and blue production. However, that performance advantage occurs only in midtones. At lighter hues, Amazon's HD tablet shines.

Specifications
Screen Size
Resolution
PPI
Google Nexus 7
7”1280x800216
Amazon Kindle Fire
7"
1024x600169
Amazon Kindle Fire HD
7”1280x800216
Apple iPad 2 (3G)
9.7"
1024x768132
Apple iPad 3 (3G)
9.7"
2048x1536
264


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