LG
LG B4 OLED TV
TVs
$1,299List price
Explore this product Your shortlist, side by side
LG B4 OLED TV vs Samsung S90D OLED TV
Find the differences that matter for your next decision.
Samsung
Samsung S90D OLED TV
TVs
$1,599List price
Explore this product What matters most to you?
Start with all rankable specifications, or focus on a particular use.
Your starting point
Buy the Samsung S90D.
- Leads 2 of 2 rankable overall specs.
- Peak brightness (HDR): ~1,100–1,300 nits peak HDR vs ~650–700 nits HDR peak
How we reached this
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.
Thickness: ~39 mm at thickest section vs ~46 mm
LG B4 is $300 cheaper. Pay the difference only if peak brightness (hdr) matters to you.
The trade-off to know
Samsung S90D OLED TV: No Dolby Vision support (Samsung uses HDR10+)
Look at the differences ↓Refine your requirements
What would rule one out?
Side by side
The differences, in detail.
Start with the key specs, then explore as much as you need.
| What you’re comparing | LG B4 OLED TV | Samsung S90D OLED TV |
|---|---|---|
| Panel typePicture | WOLED | QD-OLED / WOLED (size dependent) |
| Native refresh ratePicture | 120 Hz | 120 Hz (up to 144 Hz with PC) |
| Peak brightness (HDR)Picture | ~650–700 nits HDR peak | ~1,100–1,300 nits peak HDR |
| ContrastPicture | Infinite (per-pixel) | Infinite (per-pixel self-lit) |
| HDMI 2.1 portsGaming | 4 | 4 |
Showing 5 of 28 specifications. Missing values stay unlisted. About the sources
Both sides of the decision
What you gain. What you give up.
LG B4 OLED TV
Reasons to choose it
- Four full-bandwidth HDMI 2.1 ports at an accessible OLED price point
- Perfect blacks and infinite contrast with zero blooming
- Ultra-low input lag and full VRR support for gaming
Worth considering
- Lower peak brightness than C4 and G4 series
- Glossy screen reflects ambient light in bright rooms
Samsung S90D OLED TV
Reasons to choose it
- Infinite contrast with deep true blacks
- 144Hz refresh rate with four HDMI 2.1 ports for PC gaming
- Great value OLED compared to flagship S95D
Worth considering
- No Dolby Vision support (Samsung uses HDR10+)
- Built-in speakers lack deep low-end bass
Beyond the spec sheet
Living with your choice.
Explore the ownership details available for this pair.
Everyday ownership notes
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
LG: What to watch for
- Software / Apps
Smart TV interface runs sponsored ads and banner recommendations.
- Ergonomics
Thin integrated TV speakers lack low-end bass punch.
Samsung: What to watch for
- Software / Apps
Smart TV interface runs sponsored ads and banner recommendations.
- Ergonomics
Thin integrated TV speakers lack low-end bass punch.
Know what’s behind the comparison
Published specs. Visible sources.
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.
Still weighing it up?
Which is cheaper, the LG B4 or the Samsung S90D?
LG B4 costs $300 less at list price.
What is the biggest catch with the LG B4 or Samsung S90D?
Both has this deal-breaker: burn-in risk. Static news tickers, game HUDs and desktop use can leave permanent marks over the years.
Which is better for gaming, the LG B4 or the Samsung S90D?
Too close to call on gaming from the spec sheets. Input lag (4K 120, game mode): ~5.5 ms vs ~5.5 ms at 4K 120Hz / ~9.5 ms at 60Hz 4K 120Hz: Yes vs Yes
What cannot be compared from spec sheets?
Of the 28 specs tracked here, 26 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.