TCL
TCL QM8 Mini-LED TV
TVs
$1,499List price
Explore this product Your shortlist, side by side
TCL QM8 Mini-LED TV vs LG B4 OLED TV
Find the differences that matter for your next decision.
LG
LG B4 OLED TV
TVs
$1,299List price
Explore this product What matters most to you?
Start with all rankable specifications, or focus on a particular use.
Your starting point
Tied overall. LG B4 is cheaper.
- The 4 rankable overall specs split 2 to 2.
- Saves $200 at list price.
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.
The trade-off to know
Check first: the LG B4 has burn-in risk. the LG B4 has a glossy screen, no anti-reflective coating.
Look at the differences ↓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 | TCL QM8 Mini-LED TV | LG B4 OLED TV |
|---|---|---|
| Panel typePicture | Mini-LED QLED (VA HVA) | WOLED |
| Native refresh ratePicture | 120 Hz (up to 144 Hz PC / 240 Hz DLG) | 120 Hz |
| Peak brightness (HDR)Picture | ~3,500–5,000 nits HDR | ~650–700 nits HDR peak |
| ContrastPicture | Extreme local contrast | Infinite (per-pixel) |
| HDMI 2.1 portsGaming | 2 (of 4 HDMI total) | 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.
TCL QM8 Mini-LED TV
Reasons to choose it
- Unmatched brightness-to-price ratio
- Deep black levels with massive zone count
- Built-in Onkyo 2.1 sound system with subwoofer
Worth considering
- Narrower viewing angle than OLED
- Image processing slightly behind Sony
LG B4 OLED TV
Reasons to choose it
- Four full-bandwidth HDMI 2.1 ports at an accessible OLED price point
- Perfect blacks and infinite contrast with zero blooming
- Ultra-low input lag and full VRR support for gaming
Worth considering
- Lower peak brightness than C4 and G4 series
- Glossy screen reflects ambient light in bright rooms
Beyond the spec sheet
Living with your choice.
Explore the ownership details available for this pair.
Everyday ownership notes
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
TCL: 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
- Software / Apps
Smart TV interface runs sponsored ads and banner recommendations.
- Ergonomics
Thin integrated TV speakers lack low-end bass punch.
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 TCL QM8 Mini-LED or the LG B4?
LG B4 costs $200 less at list price.
What is the biggest catch with the TCL QM8 Mini-LED or LG B4?
TCL QM8 Mini-LED has this deal-breaker: only two HDMI 2.1 ports. A PS5, an Xbox and a 4K120 PC cannot all connect at full bandwidth, and one port doubles as eARC.
Which is better for gaming, the TCL QM8 Mini-LED or the LG B4?
For gaming, buy the LG B4. Leads 2 of 2 rankable gaming specs. HDMI 2.1 ports: 4 vs 2
What cannot be compared from spec sheets?
Of the 28 specs tracked here, 24 are descriptive and cannot be ranked on numbers alone. Spec sheets also cannot measure subjective factors like build quality, real-world performance, or comfort.