Head to head
LG C4 OLED evo TV vs Samsung Q90C QLED TV
Samsung Q90C QLED TV leads 2 to 1 on the 3 rankable specs. 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 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
- Thickness: ~26 mm vs ~45 mm
- Same list price, so the spec lead is the whole story.
Deal-breakers
tick what would make you walk away
- Trips:LG C4 · Yes (OLED care suite included)Clear:Samsung Q90C · 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
~1,500–2,000 nits HDR
HDMI 2.1 portssame
LG
4
Samsung
4
Living Room Space & Placement Check
Real-world physical measurements for credenza width, soundbar clearance, and wall mounting.
TV Stand & Table Footprint
Standard pedestal or dual-foot support
Heavy center pedestal stand (fits narrow 16"–24" media consoles)
Soundbar Clearance
Standard clearance
3.0 in clearance above pedestal (fits most soundbars)
Wall Mount Profile & Depth
Standard VESA wall depth
1.0 in NeoSlim uniform chassis depth
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
Lack of Dolby Vision HDR format support.
- Hardware Quirk
Rainbow horizontal flare streaks under intense direct side lighting.
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 | ~1,500–2,000 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 Mini LED full-array |
| Viewing angleOur summary | Excellent | Wide (Ultra Viewing Angle layer) |
| 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 | Neural Quantum Processor 4K |
|---|---|---|
| Motion handlingOur summary | Instant OLED response time | Strong; LED pixel response slower than OLED |
| Upscaling | AI Super Upscaling 4K | AI 4K upscaling |
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) | ~10 ms |
| G-Sync / FreeSync | NVIDIA G-Sync, AMD FreeSync | FreeSync Premium Pro |
Audio
2 differences| Speakers | 2.2 channel, 40W | Object Tracking Sound+, 60W |
|---|---|---|
| Dolby Atmos | Yes | Yes (passthrough / object tracking) |
| eARC | Yes | Yes |
Smart TV
2 differences| Operating system | webOS 24 | Tizen |
|---|---|---|
| Voice assistants | ThinQ, Alexa, Google Assistant | Bixby, Alexa, Google Assistant |
Design
leads 1-0| ThicknessNot on the official sheet | ~45 mm (thickest point) | ~26 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 Q90C QLED TV
Premium 65-inch Mini-LED QLED TV with Quantum Matrix backlighting and Object Tracking Sound.
- Excellent HDR brightness for mixed lighting
- Four full-bandwidth HDMI 2.1 ports
- Strong anti-glare finish for bright rooms
What you give up
- No Dolby Vision
- VA-style contrast still trails OLED in dark rooms
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 Q90C QLED TV ↗
Common questions
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.