LG
LG C4 OLED evo TV
TVs
$1,799List price
Explore this product Your shortlist, side by side
LG C4 OLED evo 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 ~1,000–1,150 nits HDR
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 ~45 mm
It is also $200 cheaper.
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 C4 OLED evo TV | Samsung S90D OLED TV |
|---|---|---|
| Panel typePicture | WOLED evo | QD-OLED / WOLED (size dependent) |
| Native refresh ratePicture | 120 Hz (up to 144 Hz PC) | 120 Hz (up to 144 Hz with PC) |
| Peak brightness (HDR)Picture | ~1,000–1,150 nits HDR | ~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 C4 OLED evo TV
Reasons to choose it
- Perfect blacks and near-infinite contrast
- 144Hz refresh rate with full HDMI 2.1 bandwidth
- Great value for high-end OLED performance
Worth considering
- Not as bright as MLA OLEDs or top Mini-LEDs
- OLED burn-in risk with long static elements
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 C4 or the Samsung S90D?
Samsung S90D costs $200 less at list price.
What is the biggest catch with the LG C4 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 C4 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.