
34″ LG 34U620B – Specs & Features
The LG 34U620B is a 34-inch VA monitor with 3440 × 1440 resolution and colour coverage that suits creative work.
Overview
The LG 34U620B is a 34-inch VA monitor with 3440 × 1440 resolution and colour coverage that suits creative work. It offers 109 ppi pixel density, 300 nits typical brightness, 4000:1 static contrast and 99% sRGB coverage. The panel refreshes at 48–144 Hz, quotes 5 ms response and supports FreeSync Premium. Inputs include 2× HDMI 2.0 and 1× DisplayPort 1.4. The stand offers 80 mm of height adjustment. It weighs 7.7 kg with the stand. It suits colour-sensitive work such as photo and video editing. The main trade-off: no USB-C input for single-cable laptop use.
- 34-inch VA (1800R curve), 3440 × 1440 at 109 ppi
- 48–144 Hz, 5 ms response, FreeSync Premium
- 300 nits, 4000:1 contrast, 99% sRGB, HDR10 input
- 2× HDMI 2.0, 1× DisplayPort 1.4
- 80 mm height, 7.7 kg
Pros & Cons
- 144 Hz refresh keeps fast games smooth
- Built-in KVM switch shares one keyboard and mouse between two computers
- UWQHD at 109 ppi gives crisp text and detail
- Factory calibration gives accurate colour out of the box
- Ultrawide 3440 × 1440 canvas fits side-by-side windows
- No USB-C input for single-cable laptop use
- VA panel can smear dark transitions in fast scenes
- No pivot, so no portrait mode for long documents
- Stand does not swivel
Score & Ratings
| Specification | Value |
|---|---|
| Brand | LG |
| Series | UltraWide |
| Model | 34U620B |
| Model Alias | 34U620B-B |
| Full Product Name | LG UltraWide 34U620B |
| Model Year | 2026 |
| Monitor Type | UltraWide Monitor |
| Region / Variant | US / Japan |
| Launch Status | Available |
| Available Colors | Black |
| Warranty | 1 year (US) |
| Specification | Value |
|---|---|
| Screen Size | 34 in |
| Exact Diagonal | 34.14 in |
| Screen Shape | Curved |
| Radius of Curvature | 1800R |
| Screen Format | UltraWide |
| Aspect Ratio | 2.389:1 |
| Active Display Width | 797.22 mm |
| Active Display Height | 333.72 mm |
| Display Area | 91.6% |
| Panel Type | VA |
| Backlight Type | W-LED |
| 3D Support | No |
| Screen Coating | Anti-glare / Matte |
| Coating Hardness | 3H |
34" Display Size (86.4 cm) 21:9
| Specification | Value |
|---|---|
| Native Resolution | 3440 × 1440 |
| Resolution Name | WQHD |
| Pixel Density | 109 ppi |
| Pixel Pitch | 0.232 mm |
| Specification | Value |
|---|---|
| Panel Bit Depth | 10-bit (8-bit + FRC) |
| FRC | Yes |
| Display Colors | 1.07 billion |
| Total Color Bits | 30-bit |
| Typical Brightness | 300 nits |
| HDR Support | Yes |
| HDR Formats |
|
| sRGB Coverage | 99% |
| Factory Calibration | Yes |
Fills more of your view — great for productivity, may need slight head turns toward the edges.
| Specification | Value |
|---|---|
| Refresh Rate Range | 48–144 Hz |
| Minimum Response Time | 5 ms |
| AMD FreeSync | Premium |
| Black Stabilizer | Yes |
| Crosshair | Yes |
| Dynamic Action Sync | Yes |
| Picture-by-Picture | Yes |
| Picture-in-Picture | Yes |
| Specification | Value |
|---|---|
| HDMI Ports |
|
| HDMI Version | HDMI 2.0 |
| DisplayPort Input | 1× DisplayPort 1.4 |
| DisplayPort Version | DisplayPort 1.4 |
| HDCP Support | Yes |
| HDCP Version | HDCP 2.2 |
| KVM Switch | Yes |
| Audio Output | 3.5 mm |
Ports & Connections
| Specification | Value |
|---|---|
| Built-In Camera | No |
| Specification | Value |
|---|---|
| VESA Mount | Yes |
| Removable Stand | Yes |
| Height Adjustment | Yes |
| Height Adjustment Range | 80 mm |
| Tilt Adjustment | Yes |
| Forward Tilt | 5° |
| Backward Tilt | 15° |
| Swivel Adjustment | No |
| Pivot Adjustment | No |
| Specification | Value |
|---|---|
| Weight With Stand | 7.7 kg |
| Weight Without Stand | 5.6 kg |
| Stand Depth | 220 mm |
| Bezel Design | 3-sided frameless design |
Power & Operating Conditions 10
| Specification | Value |
|---|---|
| 110V Input Range | 100–120V |
| 220V Input Range | 220–240V |
| AC Frequency | 50–60 Hz |
| Average Power Consumption | 45 W |
| Sleep Consumption | 0.8 W |
| Off Consumption | 0.3 W |
| Operating Temperature | 0–40°C |
| Operating Humidity | 10–80% |
| Storage Temperature | -20–60°C |
| Storage Humidity | 5–85% |
| Specification | Value |
|---|---|
| Flicker-Free | Yes |
| Reader Mode | Yes |
| Monitor Management Software | LG Switch |
| Auto Input Switching | Yes |
| Smart Energy Saving | Yes |
| Additional Monitor Features |
|
Certifications, Standards & Licenses 7
| Specification | Value |
|---|---|
| RoHS | Compliant |
| CE | Certified |
| FCC-B | Certified |
| J-Moss | Compliant |
| PSE | Certified |
| UL | UL (cUL) |
| TÜV Type Approval | TÜV Type |
| Specification | Value |
|---|---|
| HDMI Cable | Included |
| DisplayPort Cable | Included |
Packaging Information 4
| Specification | Value |
|---|---|
| Package Width | 986 mm |
| Package Height | 470 mm |
| Package Depth | 188 mm |
| Package Weight | 10.4 kg |
Estimated Running Cost
Based on this product's rated power draw, not an independent lab measurement — actual usage varies with settings and content.
Draws less power than 67% of the 701 comparable displays we track.
