Samsung QN90B 55" QLED 4K Smart TV vs Samsung U8000F 65" Crystal UHD 4K Smart TV: Which Should You Buy in 2026?
Quick Verdict
Winner: Samsung QN90B 55" QLED 4K Smart TV — 8.5/10
The QN90B outshines the U8000F with roughly double the peak brightness (≈1000 nits vs ≈400 nits per RTINGS) and significantly lower input lag (≈9 ms vs ≈20 ms), making it far superior for HDR content and gaming (RTINGS, Tom's Guide). However, the U8000F provides a larger 65" screen at a much lower price point, which is attractive for budget‑conscious buyers who mainly watch SDR video (CNET). Overall, the QN90B earns a higher score due to its performance edge, while the U8000F remains a solid value option.
See the interactive comparison →Samsung QN90B 55" QLED 4K Smart TV Overview
The Samsung QN90B 55" QLED 4K Smart TV is a compelling option in the TV space, offering a solid balance of performance and value.
Pros
- Excellent peak brightness for bright rooms (RTINGS)
- Low input lag ~9 ms (per RTINGS)
- Quantum HDR 2000 with wide color gamut
Cons
- Higher price than comparable UHD models
- No HDMI 2.2b support for eARC
Samsung U8000F 65" Crystal UHD 4K Smart TV Overview
The Samsung U8000F 65" Crystal UHD 4K Smart TV brings its own strengths to the table, making it a worthy contender in this comparison.
Pros
- Decent upscaling for 1080p sources
Cons
- Higher input lag ~20 ms (per RTINGS)
Head-to-Head Comparison
Here is how the Samsung QN90B 55" QLED 4K Smart TV and Samsung U8000F 65" Crystal UHD 4K Smart TV stack up on key specifications and our scored criteria:
Both products excel in different areas. The Samsung QN90B 55" QLED 4K Smart TV tends to lead in Excellent peak brightness for bright rooms (RTINGS), while the Samsung U8000F 65" Crystal UHD 4K Smart TV stands out for Decent upscaling for 1080p sources.
Who Should Buy What
Buy the Samsung QN90B 55" QLED 4K Smart TV if…
- You want excellent peak brightness for bright rooms (rtings)
- You want low input lag ~9 ms (per rtings)
- You want quantum hdr 2000 with wide color gamut
Buy the Samsung U8000F 65" Crystal UHD 4K Smart TV if…
- You want decent upscaling for 1080p sources
Our Recommendation
If you can only choose one, we recommend the Samsung QN90B 55" QLED 4K Smart TV. The QN90B outshines the U8000F with roughly double the peak brightness (≈1000 nits vs ≈400 nits per RTINGS) and significantly lower input lag (≈9 ms vs ≈20 ms), making it far superior for HDR content and gaming (RTINGS, Tom's Guide). However, the U8000F provides a larger 65" screen at a much lower p
Run the interactive comparison →Frequently Asked Questions
Which is better: Samsung QN90B 55" QLED 4K Smart TV or Samsung U8000F 65" Crystal UHD 4K Smart TV?
The QN90B outshines the U8000F with roughly double the peak brightness (≈1000 nits vs ≈400 nits per RTINGS) and significantly lower input lag (≈9 ms vs ≈20 ms), making it far superior for HDR content and gaming (RTINGS, Tom's Guide). However, the U8000F provides a larger 65" screen at a much lower price point, which is attractive for budget‑conscious buyers who mainly watch SDR video (CNET). Overall, the QN90B earns a higher score due to its performance edge, while the U8000F remains a solid value option.
What are the scores for Samsung QN90B 55" QLED 4K Smart TV and Samsung U8000F 65" Crystal UHD 4K Smart TV?
Samsung QN90B 55" QLED 4K Smart TV scores 8.5/10 and Samsung U8000F 65" Crystal UHD 4K Smart TV scores 6.5/10 in our independent evaluation.
What are the main advantages of the Samsung QN90B 55" QLED 4K Smart TV?
Excellent peak brightness for bright rooms (RTINGS). Low input lag ~9 ms (per RTINGS). Quantum HDR 2000 with wide color gamut.
What are the main advantages of the Samsung U8000F 65" Crystal UHD 4K Smart TV?
Decent upscaling for 1080p sources.
Is the Samsung QN90B 55" QLED 4K Smart TV worth the price?
The Samsung QN90B 55" QLED 4K Smart TV offers strong value for its price point, especially for users who prioritize performance and build quality.
Who should buy
Buyers who prioritize Samsung's strengths and want the best in this category.
Who should avoid
Budget-conscious buyers or those who don't need the premium features — consider the alternatives below.
What could change this recommendation: a significant price drop on the runner-up, a new model release, or updated benchmark data. This page is re-verified periodically.
Get notified when prices drop
We'll alert you when Samsung QN90B 55" QLED 4K Smart TV or Samsung U8000F 65" Crystal UHD 4K Smart TV hits a new low — or when our recommendation changes.