Head to head
LG C4 OLED evo TV vs Samsung QN90D Neo QLED TV
Samsung QN90D Neo QLED TV leads 2 to 1 on the 3 rankable specs, but LG C4 OLED evo TV costs $100 less. Most of the 28 attributes tracked here are descriptive rather than numeric.
Catalog as of September 1, 2026
Why, in numbers
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Straight answer
Overall: 1 to 2
Buy the Samsung QN90D Neo.
- Leads 2 of 3 rankable overall specs; LG C4 takes 1.
- Peak brightness (HDR): ~2,000 nits HDR vs ~1,000–1,150 nits HDR
- Thickness: ~27 mm vs ~45 mm
- LG C4 is $100 cheaper. Pay the difference only if peak brightness (hdr) matters to you.
Deal-breakers
tick what would make you walk away
- Trips:LG C4 · Yes (OLED care suite included)Clear:Samsung QN90D Neo · None (LED)
At a glance
The handful of numbers that decide most purchases in this category.
Panel type≠
LG
WOLED evo
Samsung
Mini-LED QLED (VA)
Peak brightness (HDR)
LG
~1,000–1,150 nits HDR
Samsung
~2,000 nits HDR
HDMI 2.1 portssame
LG
4
Samsung
4
The 90-Day Owner Regret Check
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.
Picture
leads 1-0| Panel type | WOLED evo | Mini-LED QLED (VA) |
|---|---|---|
| Screen size | 65 inches | 65 inches |
| Resolution | 3840 × 2160 (4K) | 3840 × 2160 (4K) |
| Native refresh rate | 120 Hz (up to 144 Hz PC) | 120 Hz (up to 144 Hz PC) |
| Peak brightness (HDR)Not on the official sheet | ~1,000–1,150 nits HDR | ~2,000 nits HDR (wins this row: higher) |
| ContrastOur summary | Infinite (per-pixel) | Very high (local-dimmed LED, not infinite) |
| Local dimming | Per-pixel (self-emissive) | Quantum Matrix with Mini LED |
| Viewing angleOur summary | Excellent | Wide (Ultra Viewing Angle) |
| Screen finish | Glossy with anti-reflective coating | Matte anti-glare |
| HDR formats | Dolby Vision, HDR10, HLG | HDR10, HDR10+, HLG (no Dolby Vision) |
Processing
3 differences| Processor | α9 AI Processor 4K Gen7 | NQ4 AI Gen2 Processor |
|---|---|---|
| Motion handlingOur summary | Instant OLED response time | Motion Xcelerator 144Hz |
| Upscaling | AI Super Upscaling 4K | 4K AI Upscaling Pro |
Gaming
leads 1-0| HDMI 2.1 ports | 4 | 4 |
|---|---|---|
| 4K 120Hz | Yes | Yes |
| VRR | Yes (G-Sync, FreeSync Premium) | Yes (FreeSync Premium Pro) |
| Auto low latency (ALLM) | Yes | Yes |
| Input lag (4K 120, game mode)Not on the official sheet | ~5.5 ms (wins this row: lower) | ~9.5 ms |
| G-Sync / FreeSync | NVIDIA G-Sync, AMD FreeSync | FreeSync Premium Pro, G-Sync Compatible |
Audio
1 differences| Speakers | 2.2 channel, 40W | Object Tracking Sound+, 60W 4.2.2ch |
|---|---|---|
| Dolby Atmos | Yes | Yes |
| eARC | Yes | Yes |
Smart TV
2 differences| Operating system | webOS 24 | Tizen OS |
|---|---|---|
| Voice assistants | ThinQ, Alexa, Google Assistant | Bixby, Alexa |
Design
leads 1-0| ThicknessNot on the official sheet | ~45 mm (thickest point) | ~27 mm (wins this row: lower) |
|---|---|---|
| Wall mount | VESA 300x200 | Standard VESA |
Ownership
1 differences| Burn-in riskOur summary | Yes (OLED care suite included) | None (LED) |
|---|---|---|
| Warranty | 1 year | 1 year |
Which one should you buy
Pick this one if
LG C4 OLED evo TV
Versatile 65-inch 4K OLED TV with α9 AI Processor Gen7 and 144Hz PC gaming support.
- Perfect blacks and near-infinite contrast
- 144Hz refresh rate with full HDMI 2.1 bandwidth
- Great value for high-end OLED performance
What you give up
- Not as bright as MLA OLEDs or top Mini-LEDs
- OLED burn-in risk with long static elements
Pick this one if
Samsung QN90D Neo QLED TV
Premium 65-inch Mini-LED 4K TV with NQ4 AI Gen2 processor, 144Hz refresh rate, and anti-glare screen.
- High peak brightness exceeding 2,000 nits for sunlit rooms
- Four full-bandwidth HDMI 2.1 ports supporting up to 144Hz PC gaming
- Ultra Viewing Angle layer and matte anti-glare finish
What you give up
- No Dolby Vision format support
- Slight blooming around bright subtitles on pitch-black backgrounds
Best for each use
Gaming
Too close to call on gaming from the spec sheets. Only input lag (4k 120, game mode) is rankable here.
Movies
Too close to call on movies from the spec sheets. Only peak brightness (hdr) is rankable here.
Bright rooms
Too close to call on bright rooms from the spec sheets. Only peak brightness (hdr) is rankable here.
Done deciding?
Open the full standalone spec sheet for either device.
Manufacturer pages: LG C4 OLED evo TV ↗ · Samsung QN90D Neo QLED TV ↗
Common questions
Which is cheaper, the LG C4 or the Samsung QN90D Neo?
LG C4 costs $100 less at list price.
What is the biggest catch with the LG C4 or Samsung QN90D Neo?
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 QN90D Neo?
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, G-Sync Compatible
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.