LG OLED C1–C4 Best Settings by Content Type

Quick setup matrix

The most reliable “best setting” is the correct picture mode for the active signal. Use this matrix as a starting point, then adjust SDR brightness and motion for the room.

LG stores many settings separately by input, built-in app, picture mode and dynamic range. Repeat the setup while SDR, HDR10 and Dolby Vision signals are actually active.

Settings worth leaving alone

Do not copy white balance, color-management or service-menu values from a review or another owner. Those are panel-specific. A measured review can characterize a model, but its calibration corrections are not a preset for every unit.

Avoid fixed OLED Pixel Brightness values in a general guide. SDR luminance should match the room and use. HDR modes manage output differently and should not be used as the template for static SDR desktop work.

SDR workflow

1. Select Filmmaker Mode or Cinema.
2. Temporarily disable automatic Energy Saving while comparing changes.
3. Set OLED Pixel Brightness to a comfortable sustained level.
4. Leave color gamut, white balance and color tuner at default without measurements.
5. Test motion processing with the content you watch. Off avoids interpolation; a restrained setting may suit sports or viewers sensitive to film judder.

Noise reduction is source-dependent. It may help visibly compressed broadcast material but can remove texture from a clean source. There is no need to enable every processing control globally.

HDR10 and Dolby Vision are different

For HDR10, start with Filmmaker Mode or Cinema. Dynamic Tone Mapping On adapts the image and may improve visibility in a bright room; Off gives a less dynamic presentation. Compare with real scenes instead of treating apparent brightness as accuracy.

For Dolby Vision, start with Cinema. Cinema Home is a brighter room-oriented alternative. Dolby Vision has its own metadata and processing path, so do not copy HDR10 DTM or HGiG advice into it.

Gaming workflow

Use Game Optimizer, then confirm what the source is delivering. ALLM requests low latency, VRR changes refresh timing, and 120 Hz is a refresh mode. They are not interchangeable.

For HGiG HDR10 gaming:

1. Select Game Optimizer.
2. Select HGiG on the TV if available.
3. Run PS5 Adjust HDR, Xbox HDR Game Calibration or Windows HDR Calibration.
4. Configure the game's own HDR controls last.

If you switch to Dynamic Tone Mapping, treat it as a different presentation and reconsider the calibration. Read the platform-specific HDR guide.

What changes from C1 to C4

• C1 (2021): use the C1 menus and capabilities as the baseline; do not assume later PC refresh modes.
• C2 (2022): the broad size range makes size-specific measurement caveats important.
• C3 (2023): firmware and Game Optimizer state can alter which processing controls are available.
• C4 (2024): supported PC configurations can expose 144 Hz; consoles remain a separate 120 Hz-class workflow.

These are generation notes, not a claim that every size or region is identical. Use the dedicated C1, C2, C3 or C4 guide.

PC and OLED care

Use the PC input type where desktop chroma clarity matters. Match source and display video range; forcing “Full” at only one end can crush or raise blacks. Verify refresh rate and HDR in the operating system.

For static work, use moderate SDR brightness, auto-hide persistent UI where practical and enable display sleep. Keep documented OLED Care protections enabled. OLED Control can switch supported TV state, but it does not configure the GPU, calibrate the panel or override unsupported firmware.

Sources

• HGiG — For Better HDR Gaming
• HDMI Licensing Administrator — HDMI 2.1 gaming features
• LG — Prevent image retention or burn-in
• RTINGS — LG C1 OLED review (secondary)
• RTINGS — LG C4 OLED review (secondary)

Generation-by-generation decision guide

The C1 (2021) introduced the webOS 6/Game Optimizer generation and supports 4K120 VRR on its documented HDMI inputs. The C2 (2022) added 42-inch desktop use and revised panel/HDMI implementation. C3 (2023) refined processing and webOS behavior without turning fixed internet values into transferable calibration. C4 (2024) adds supported PC 144 Hz configurations, which should not be generalized to consoles or older C-series sets.

Use the dedicated model guide after choosing signal type. The combined page is a routing map, not one settings table.

SDR comparison

Across C1–C4, Filmmaker/Cinema/ISF modes are neutral starting points. Set sustained OLED Pixel Brightness for room and size. The 42-inch C2/C3/C4 at desk distance needs a different comfort level from a 77-inch living-room panel. Preserve black level unless a clipping pattern and matched range show an error.

Energy Saving and AI Brightness should be documented during comparison. Restore them if adaptive output is desired.

HDR and gaming differences

HDR10, Dolby Vision and SDR remain separate on every generation. DTM On/Off comparisons use the same scene. HGiG belongs to HDR10 gaming: choose it before platform calibration.

C1/C2/C3 target 120 Hz-class gaming. C4 PC 144 Hz requires a compatible model size, GPU, cable, port and enabled mode. PS5/Xbox do not become 144 Hz sources. VRR near-black flicker can occur across generations; stabilize frame time before changing shadow controls.

Desktop and protection

Use PC input type and RGB/4:4:4 for text, native 4K and OS scaling. C2's 42-inch size improves desktop pixel density versus 48 inches but retains WOLED subpixel characteristics.

Keep Screen Move, Logo Brightness and automatic compensation enabled. Later firmware may change static-scene behavior, but service-menu instructions from C1 should not be copied forward.

C1–C4 FAQ

Is C4 always brighter than C1?

Measurements depend on size, scene, mode and firmware. Newer does not create one universal luminance ratio.

Can C1 settings be copied to C3?

Mode principles transfer; panel-specific numbers and menu paths do not.

Which model is best for PC?

Choose size, viewing distance, required refresh, ports and static-use tolerance. Settings cannot change those hardware decisions.

Do all sizes share the same panel behavior?

No. Family branding spans size-specific implementations.

Additional sources

• RTINGS — LG C1 review
• RTINGS — LG C2 review
• RTINGS — LG C3 review
• RTINGS — LG C4 review