Head to head
LG G3 OLED evo TV vs LG B4 OLED TV
LG G3 OLED evo TV leads 3 to 0 on the 3 rankable specs, but LG B4 OLED TV costs $900 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$1,299TCL QM8 Mini-LED TV$1,499Samsung S90D OLED TV$1,599Samsung 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$1,999Samsung S95D QD-OLED TV$2,599LG G4 OLED evo 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$1,299TCL QM8 Mini-LED TV$1,499Samsung S90D OLED TV$1,599Samsung 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$1,999Samsung S95D QD-OLED TV$2,599LG G4 OLED evo TV$2,599Sony BRAVIA 9 Mini-LED TV$3,299Sony A95L OLED TV$3,499Generational Upgrade Analysis
LG sibling models compared across generations.
Our recommendation: Compare the spec differences below to see if the price premium justifies the newer model's additions.
Buying for
Straight answer
Overall: 3 to 0
Buy the LG G3.
- Leads 3 of 3 rankable overall specs.
- Peak brightness (HDR): ~1,400–2,000 nits small-window HDR vs ~650–700 nits HDR peak
- Input lag (4K 120, game mode): ~5 ms vs ~5.5 ms
- LG B4 is $900 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≠
G3
WOLED evo with MLA
B4
WOLED
Peak brightness (HDR)
G3
~1,400–2,000 nits small-window HDR
B4
~650–700 nits HDR peak
HDMI 2.1 portssame
G3
4
B4
4
True 3-Year Cost of Ownership (TCO)
LG G3
LG B4
Living Room Space & Placement Check
Real-world physical measurements for credenza width, soundbar clearance, and wall mounting.
TV Stand & Table Footprint
No stand in box (wall mount only; official stand ~$149)
Standard pedestal or dual-foot support
Soundbar Clearance
N/A on wall; ~2.8 in with optional swivel stand
Standard clearance
Wall Mount Profile & Depth
Ultra-slim 0.9 in flush gallery mount with zero gap
Standard VESA wall depth
The 90-Day Owner Regret Check
Documented ergonomic quirks, hardware annoyances, and maintenance realities reported by real owners.
G3: What to watch for
- Hidden Cost
Zero tabletop stand included in the box.
- Hardware Quirk
Subtle green/pink tint shift at extreme off-axis viewing angles.
B4: 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 with MLA | WOLED |
|---|---|---|
| Screen size | 65 inches | 65 inches |
| Resolution | 3840 × 2160 (4K) | 3840 × 2160 (4K) |
| Native refresh rate | 120 Hz | 120 Hz |
| Peak brightness (HDR)Not on the official sheet | ~1,400–2,000 nits small-window HDR (wins this row: higher) | ~650–700 nits HDR peak |
| ContrastOur summary | Infinite (per-pixel) | Infinite (per-pixel) |
| Local dimming | Per-pixel (self-emissive) | Per-pixel (self-emissive) |
| Viewing angleOur summary | Excellent | Excellent |
| Screen finish | Glossy | Glossy |
| HDR formats | Dolby Vision, HDR10, HLG (no HDR10+) | Dolby Vision, HDR10, HLG (no HDR10+) |
Processing
2 differences| Processor | α9 Gen6 AI Processor 4K | α8 AI Processor 4K |
|---|---|---|
| Motion handlingOur summary | Excellent OLED response time | Excellent OLED response time |
| Upscaling | AI Super Upscaling | AI Super Upscaling 4K |
Gaming
leads 1-0| HDMI 2.1 ports | 4 | 4 |
|---|---|---|
| 4K 120Hz | Yes | Yes |
| VRR | Yes | Yes |
| Auto low latency (ALLM) | Yes | Yes |
| Input lag (4K 120, game mode)Not on the official sheet | ~5 ms (wins this row: lower) | ~5.5 ms |
| G-Sync / FreeSync | NVIDIA G-Sync Compatible, FreeSync | NVIDIA G-Sync Compatible, AMD FreeSync Premium |
Audio
1 differences| Speakers | 4.2 channel, 60W | 2.0 channel, 20W |
|---|---|---|
| Dolby Atmos | Yes | Yes |
| eARC | Yes | Yes |
Smart TV
2 differences| Operating system | webOS 23 | webOS 24 |
|---|---|---|
| Voice assistants | ThinQ, Alexa, Google Assistant | LG ThinQ, Alexa, Apple Home |
Design
leads 1-0| ThicknessNot on the official sheet | Gallery design, ~24 mm flush to wall (wins this row: lower) | ~46 mm |
|---|---|---|
| Wall mount | Included flush Gallery mount | Standard VESA |
Ownership
2 differences| Burn-in riskOur summary | Yes (mitigated by pixel shift / screen move) | Yes (mitigated by pixel shift and screen care) |
|---|---|---|
| Warranty | 1 year (panel varies by region) | 1 year |
Which one should you buy
Pick this one if
LG G3 OLED evo TV
Flagship 65-inch MLA WOLED with gallery-style flush wall mount and webOS.
- Perfect blacks and infinite contrast
- MLA brightness competitive with bright QLEDs
- Best-in-class HDMI 2.1 gaming suite
What you give up
- OLED burn-in risk with static UI
- Glossy panel reflects more than matte QLED
Pick this one if
LG B4 OLED TV
Value flagship 65-inch OLED TV featuring 4 full-bandwidth HDMI 2.1 ports, α8 AI processor, and Dolby Vision.
- 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
What you give up
- Lower peak brightness than C4 and G4 series
- Glossy screen reflects ambient light in bright 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 G3 OLED evo TV ↗ · LG B4 OLED TV ↗
Common questions
Which is cheaper, the LG G3 or the LG B4?
LG B4 costs $900 less at list price.
What is the biggest catch with the LG G3 or LG B4?
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 LG G3 or the LG B4?
Too close to call on gaming from the spec sheets. Only input lag (4k 120, game mode) is rankable here. G-Sync / FreeSync: NVIDIA G-Sync Compatible, FreeSync vs NVIDIA G-Sync Compatible, AMD FreeSync Premium
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.