LG OLED83C5PUA vs Samsung UN98DU9000FXZA
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Choosing between the LG OLED83C5PUA and Samsung UN98DU9000FXZA? Both compete in the TV segment. Here’s how they compare across the specs that matter most for your home theater.
Looking at overall performance dimensions: The LG OLED83C5PUA scores higher in value, form factor, room fit, future-proofing. They score similarly in video quality, gaming performance, ease of use.
On the display side, the LG OLED83C5PUA uses a WOLED panel while the Samsung UN98DU9000FXZA uses LED, and screen sizes differ at 83" vs 98". OLED panels produce perfect blacks by turning pixels off entirely. QD-OLED adds a quantum dot layer for wider color. VA panels offer better contrast than IPS but narrower viewing angles. Mini-LED is a backlight technology applied to LCD panels, offering thousands of dimming zones for improved contrast. Bigger isn't always better — it depends on viewing distance. THX recommends a 36-degree viewing angle; SMPTE suggests 30 degrees minimum. Our viewing distance calculator helps find the sweet spot.
The LG OLED83C5PUA holds an advantage across more performance dimensions, but the Samsung UN98DU9000FXZA may still be the better pick depending on which specs matter most to your setup. See the detailed comparison table below for the full breakdown.
For most home theaters, the LG OLED83C5PUA is the stronger choice — it leads in 4 of 7 scored dimensions. The Samsung UN98DU9000FXZA makes more sense if budget is the primary constraint.
Performance Overview
Scores based on specs and category benchmarks (0–100 scale)
LG 83" Class OLED evo AI C5 4K Smart TV 2025
Samsung TV DU9000 Crystal UHD 4K Smart 98-Inch in Graphite Black
Detailed Specifications
| Specification | ||
|---|---|---|
| Price | $2,999.99 | N/A |
| Screen Size | 83" | 98" |
| Resolution | 4K | 4K |
| Panel Type | WOLED | LED |
| Backlight Type | none | direct-lit |
| Native Contrast Ratio | Infinite | Mega Contrast |
| HDR Formats | HDR10, Dolby Vision, HLG | HDR10, HDR10+, HLG |
| Refresh Rate | 120Hz | 120Hz |
| VRR | Yes | Yes |
| VRR Type | FreeSync+G-Sync | FreeSync Premium |
| ALLM | Yes | Yes |
| Smart OS | webOS | Tizen |
| Speaker Config | 2.2 | — |
| Dolby Atmos (Speakers) | Yes | No |
| HDMI Total Ports | 4 | 3 |
| HDMI 2.1 Ports | 4 | 1 |
| eARC Port | Yes | No |
| VESA Pattern | 400x400 | 600x400 |
| Processor | α9 AI Processor 4K Gen8 | Crystal Processor 4K |
| Model Year | — | — |
Key Differences
- Series Name: LG OLED83C5PUA at C5 vs Samsung UN98DU9000FXZA at DU9000
- Processor: LG OLED83C5PUA at α9 AI Processor 4K Gen8 vs Samsung UN98DU9000FXZA at Crystal Processor 4K
- HDR Formats: LG OLED83C5PUA at HDR10, Dolby Vision, HLG vs Samsung UN98DU9000FXZA at HDR10, HDR10+, HLG. Dolby Vision adds dynamic metadata that adjusts brightness scene-by-scene. HDR10 is the baseline. HDR10+ is Samsung's alternative to Dolby Vision.
- USB Type: LG OLED83C5PUA at 3ea (v 2.0) vs Samsung UN98DU9000FXZA at 2 x USB-A
- Panel Type: LG OLED83C5PUA at WOLED vs Samsung UN98DU9000FXZA at LED. OLED panels produce perfect blacks by turning pixels off entirely. QD-OLED adds a quantum dot layer for wider color. VA panels offer better contrast than IPS but narrower viewing angles. Mini-LED is a backlight technology applied to LCD panels, offering thousands of dimming zones for improved contrast.
Which Should You Choose?
Choose LG OLED83C5PUA if you want:
- + better hdmi total ports
- + better hdmi 2.1 ports — hDMI 2
- + better depth (w/ stand)
- + lighter weight for easier placement
Choose Samsung UN98DU9000FXZA if you want:
- + larger 98" screen for more immersive viewing
See Where These Rank
Check our editorial rankings to see how LG OLED83C5PUA and Samsung UN98DU9000FXZA compare to the rest of the field.
Best TV RankingsRelated Calculators
Specifications sourced from manufacturer datasheets and verified against retailer listings. Prices updated hourly from authorized retailers. Scoring uses our open methodology — products are never ranked, promoted, or suppressed based on affiliate commission rates.
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