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 Q90C QLED TV
Find the differences that matter for your next decision.
Samsung
Samsung Q90C QLED TV
TVs
$1,799List 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 Q90C.
- Leads 2 of 3 rankable overall specs; LG C4 takes 1.
- Peak brightness (HDR): ~1,500–2,000 nits 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: ~26 mm vs ~45 mm
Same list price, so the spec lead is the whole story.
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 Q90C QLED TV |
|---|---|---|
| Panel typePicture | WOLED evo | Mini-LED QLED (VA) |
| Peak brightness (HDR)Picture | ~1,000–1,150 nits HDR | ~1,500–2,000 nits HDR |
| ContrastPicture | Infinite (per-pixel) | Very high (local-dimmed LED, not infinite) |
| Local dimmingPicture | Per-pixel (self-emissive) | Quantum Mini LED full-array |
| 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 Q90C QLED TV
Reasons to choose it
- Excellent HDR brightness for mixed lighting
- Four full-bandwidth HDMI 2.1 ports
- Strong anti-glare finish for bright rooms
Worth considering
- No Dolby Vision
- VA-style contrast still trails OLED in dark rooms
Beyond the spec sheet
Living with your choice.
Explore the ownership details available for this pair.
Living Room Space & Placement Check
Real-world physical measurements for credenza width, soundbar clearance, and wall mounting.
TV Stand & Table Footprint
LG
Standard pedestal or dual-foot support
Samsung
Heavy center pedestal stand (fits narrow 16"–24" media consoles)
Soundbar Clearance
LG
Standard clearance
Samsung
3.0 in clearance above pedestal (fits most soundbars)
Wall Mount Profile & Depth
LG
Standard VESA wall depth
Samsung
1.0 in NeoSlim uniform chassis depth
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
Lack of Dolby Vision HDR format support.
- Hardware Quirk
Rainbow horizontal flare streaks under intense direct side lighting.
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 Q90C?
Both list at the same price.
What is the biggest catch with the LG C4 or Samsung Q90C?
LG C4 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 Q90C?
Too close to call on gaming from the spec sheets. Only input lag (4k 120, game mode) is rankable here. VRR: Yes vs Yes G-Sync / FreeSync: NVIDIA G-Sync, AMD FreeSync vs FreeSync Premium Pro
What cannot be compared from spec sheets?
Of the 28 specs tracked here, 25 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.