
Samsung S90D OLED TV
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Your starting point
We compare the published specifications relevant to your priority. Each rankable specification counts once; your selected requirements can rule a product out. This is a guide to the numbers, not a laboratory performance score.
The trade-off to know
Check first: the Hisense U7N Mini-LED has only two HDMI 2.1 ports.
Look at the differences ↓Side by side
Start with the key specs, then explore as much as you need.
| What you’re comparing | Samsung S90D OLED TV | Hisense U7N Mini-LED TV |
|---|---|---|
| Panel typePicture | QD-OLED / WOLED (size dependent) | Mini-LED ULED (VA with quantum dot) |
| Native refresh ratePicture | 120 Hz (up to 144 Hz with PC) | 144 Hz native |
| Peak brightness (HDR)Picture | ~1,100–1,300 nits peak HDR | Up to 1,500 nits peak brightness |
| ContrastPicture | Infinite (per-pixel self-lit) | High contrast with full array local dimming |
| HDMI 2.1 portsGaming | 4 | 2 (HDMI ports 3 and 4 support 4K 144Hz; port 3 supports eARC) |
Showing 5 of 28 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
Beyond the spec sheet
Explore the ownership details available for this pair.
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
Samsung: What to watch for
Smart TV interface runs sponsored ads and banner recommendations.
Thin integrated TV speakers lack low-end bass punch.
Hisense: What to watch for
Smart TV interface runs sponsored ads and banner recommendations.
Thin integrated TV speakers lack low-end bass punch.
Know what’s behind the comparison
Clinchmark compares manufacturer specifications and other published information. We have not independently lab-tested these products. Editorial assessments and unknown values are identified in the specification details.
Catalog snapshot: September 1, 2026. Prices, availability, and provider terms can change.
Hisense U7N Mini-LED costs $800 less at list price.
Hisense U7N Mini-LED has this deal-breaker: only two HDMI 2.1 ports. A PS5, an Xbox and a 4K120 PC cannot all connect at full bandwidth, and one port doubles as eARC.
For gaming, buy the Samsung S90D. Leads 2 of 3 rankable gaming specs; Hisense U7N Mini-LED takes 1. HDMI 2.1 ports: 4 vs 2
Of the 28 specs tracked here, 22 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.