Head to head
Samsung S90D OLED TV vs LG G4 OLED evo TV
LG G4 OLED evo TV leads 3 to 0 on the 3 rankable specs, but Samsung S90D OLED TV costs $1,000 less. Most of the 28 attributes tracked here are descriptive rather than numeric.
Catalog as of September 1, 2026
Why, in numbers
Swap
Compare a different tv
TCL QM7 Mini-LED TV$799Hisense U7N Mini-LED TV$799Hisense U8N Mini-LED TV$1,299LG B4 OLED TV$1,299TCL QM8 Mini-LED TV$1,499Samsung Q90C QLED TV$1,799LG C4 OLED evo TV$1,799Sony BRAVIA 7 Mini-LED TV$1,799Samsung QN90D Neo QLED TV$1,899Sony BRAVIA 8 OLED TV$1,999LG G3 OLED evo TV$2,199Samsung S95D QD-OLED TV$2,599Sony BRAVIA 9 Mini-LED TV$3,299Sony A95L OLED TV$3,499Swap
Compare a different tv
TCL QM7 Mini-LED TV$799Hisense U7N Mini-LED TV$799Hisense U8N Mini-LED TV$1,299LG B4 OLED TV$1,299TCL QM8 Mini-LED TV$1,499Samsung Q90C QLED TV$1,799LG C4 OLED evo TV$1,799Sony BRAVIA 7 Mini-LED TV$1,799Samsung QN90D Neo QLED TV$1,899Sony BRAVIA 8 OLED TV$1,999LG G3 OLED evo TV$2,199Samsung S95D QD-OLED TV$2,599Sony BRAVIA 9 Mini-LED TV$3,299Sony A95L OLED TV$3,499Buying for
Straight answer
Overall: 0 to 3
Buy the LG G4.
- Leads 3 of 3 rankable overall specs.
- Peak brightness (HDR): ~1,500–3,000 nits peak HDR vs ~1,100–1,300 nits peak HDR
- Input lag (4K 120, game mode): ~5.1 ms at 120Hz / ~9.2 ms at 60Hz vs ~5.5 ms at 4K 120Hz / ~9.5 ms at 60Hz
- Samsung S90D is $1,000 cheaper. Pay the difference only if peak brightness (hdr) matters to you.
At a glance
The handful of numbers that decide most purchases in this category.
Panel type≠
Samsung
QD-OLED / WOLED (size dependent)
LG
WOLED evo with Micro Lens Array (MLA 2.0) & Heat Sink
Peak brightness (HDR)
Samsung
~1,100–1,300 nits peak HDR
LG
~1,500–3,000 nits peak HDR
HDMI 2.1 ports≠
Samsung
4
LG
4 (all 48Gbps HDMI 2.1)
True 3-Year Cost of Ownership (TCO)
Samsung S90D
LG G4
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
No stand in box for 65"+ (included on 55" in some regions)
Soundbar Clearance
Standard clearance
N/A on wall; ~2.8 in with optional stand
Wall Mount Profile & Depth
Standard VESA wall depth
Ultra-slim 0.9 in flush gallery mount with zero gap
The 90-Day Owner Regret Check
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
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.
LG: What to watch for
- Hidden Cost
65" and larger models still omit tabletop stands in the US box.
- Software / Apps
webOS home screen features sponsored content & banner recommendations.
Picture
leads 1-0| Panel type | QD-OLED / WOLED (size dependent) | WOLED evo with Micro Lens Array (MLA 2.0) & Heat Sink |
|---|---|---|
| Screen size | 65 inches | 65 inches |
| Resolution | 3840 × 2160 (4K) | 3840 × 2160 (4K) |
| Native refresh rate | 120 Hz (up to 144 Hz with PC) | 120 Hz (up to 144 Hz PC) |
| Peak brightness (HDR)Not on the official sheet | ~1,100–1,300 nits peak HDR | ~1,500–3,000 nits peak HDR (wins this row: higher) |
| ContrastOur summary | Infinite (per-pixel self-lit) | Infinite (per-pixel self-lit) |
| Local dimming | Per-pixel self-emissive | Per-pixel self-emissive |
| Viewing angleOur summary | Ultra Wide viewing angles | Wide viewing angle with anti-reflective coating |
| Screen finish | Glossy with anti-reflective filter | Glossy with low-reflection treatment |
| HDR formats | HDR10, HDR10+ Adaptive, HDR10+ Gaming, HLG (no Dolby Vision) | Dolby Vision, HDR10, HLG (no HDR10+) |
Processing
3 differences| Processor | NQ4 AI Gen2 Processor | α11 AI Processor 4K |
|---|---|---|
| Motion handlingOur summary | Instantaneous OLED response time (~0.1 ms) | Near-instantaneous OLED pixel response (~0.1 ms) |
| Upscaling | 4K AI Upscaling | α11 AI Super Upscaling 4K |
Gaming
leads 1-0| HDMI 2.1 ports | 4 | 4 (all 48Gbps HDMI 2.1) |
|---|---|---|
| 4K 120Hz | Yes (up to 4K 144Hz) | Yes (up to 4K 144Hz) |
| VRR | Yes (AMD FreeSync Premium Pro, HDMI VRR) | Yes (AMD FreeSync Premium, NVIDIA G-Sync, HDMI VRR) |
| Auto low latency (ALLM) | Yes | Yes |
| Input lag (4K 120, game mode)Not on the official sheet | ~5.5 ms at 4K 120Hz / ~9.5 ms at 60Hz | ~5.1 ms at 120Hz / ~9.2 ms at 60Hz (wins this row: lower) |
| G-Sync / FreeSync | FreeSync Premium Pro, G-Sync Compatible | NVIDIA G-Sync Compatible, AMD FreeSync Premium |
Audio
3 differences| Speakers | 2.1 channel, 40W (Object Tracking Sound Lite) | 4.2 channel, 60W (α11 AI Sound Pro 11.1.2 virtual upmix) |
|---|---|---|
| Dolby Atmos | Yes (with wireless Dolby Atmos support) | Yes |
| eARC | Yes (HDMI 3) | Yes (HDMI 2) |
Smart TV
2 differences| Operating system | Tizen OS | webOS 24 |
|---|---|---|
| Voice assistants | Bixby, Amazon Alexa built-in | LG ThinQ, Amazon Alexa built-in, Apple HomeKit / AirPlay 2 |
Design
leads 1-0| ThicknessNot on the official sheet | ~39 mm at thickest section (LaserSlim design) | ~24 mm (flush One Wall Gallery design) (wins this row: lower) |
|---|---|---|
| Wall mount | VESA 300 × 200 mm | Included flush Gallery wall bracket (VESA 300 × 300 compatible) |
Ownership
2 differences| Burn-in riskOur summary | Yes (mitigated by Samsung OLED Care and Pixel Shift) | Yes (mitigated by custom heatsink and 5-year panel warranty) |
|---|---|---|
| Warranty | 1 year manufacturer limited warranty | 5-year limited panel warranty (1-year parts & labor) |
Which one should you buy
Pick this one if
Samsung S90D OLED TV
65-inch 4K OLED TV with NQ4 AI Gen2 processor, 144Hz native refresh rate, and OLED HDR+.
- 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
What you give up
- No Dolby Vision support (Samsung uses HDR10+)
- Built-in speakers lack deep low-end bass
Pick this one if
LG G4 OLED evo TV
65-inch flagship OLED evo TV with Brightness Booster Max (MLA 2.0), α11 AI processor 4K, 144Hz gaming, and flush wall-mount Gallery design.
- Micro Lens Array 2.0 delivers top-tier OLED peak brightness (~3,000 nits)
- Flagship α11 AI 4K processor and 144Hz refresh rate
- 5-year panel warranty included
What you give up
- Premium price point
- Tabletop stand sold separately (designed primarily for wall mounting)
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: Samsung S90D OLED TV ↗ · LG G4 OLED evo TV ↗
Common questions
Which is cheaper, the Samsung S90D or the LG G4?
Samsung S90D costs $1,000 less at list price.
What is the biggest catch with the Samsung S90D or LG G4?
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 Samsung S90D or the LG G4?
Too close to call on gaming from the spec sheets. Only input lag (4k 120, game mode) is rankable here. HDMI 2.1 ports: 4 vs 4 VRR: Yes vs Yes
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.