LG 42" OLED evo C4 4K UHD Smart TV
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- 42-inch 4K OLED evo panel with self-lit pixels for deep blacks and infinite contrast
- 120Hz refresh rate and 0.1 ms response time with VRR, NVIDIA G-Sync and AMD FreeSync Premium
- a9 Gen 7 AI Processor and webOS 24 with over 300 free channels
- Four HDMI ports, Wi-Fi and Ethernet, plus Magic Remote with voice control
- Dolby Atmos with Virtual 9.1.2 up-mix; stand included, 300 x 200 mount pattern
About the LG 42" OLED evo C4 4K UHD Smart TV
The LG OLED evo C4 is a 42-inch 4K smart TV built on self-lit OLED pixels for deep blacks and strong contrast. It runs LG's a9 Gen 7 AI Processor and the webOS 24 platform, which puts apps like Netflix, YouTube and Disney a click away, along with over 300 free channels.
The compact size makes it a good fit for a bedroom, a smaller living space or a gaming setup. It runs at 120Hz with a 0.1 ms response time and supports VRR with NVIDIA G-Sync and AMD FreeSync Premium, and four HDMI ports leave room for consoles, a PC and a soundbar.
Sound comes from built-in down-firing speakers with Dolby Atmos and a virtual 9.1.2 up-mix, and the Magic Remote adds voice control, with Amazon Alexa support. The almost bezel-free design comes with a stand and also fits 300 x 200 wall mounts.
What reviewers say
Reviewers rate the C4 highly for picture quality and gaming, pointing to its near-perfect black levels, very low input lag and full gaming support across all four HDMI ports. The main criticisms are a screen that struggles to dim direct reflections from lamps or windows, a big drop in HDR brightness in its game mode and no ATSC 3.0 tuner, while opinions on the built-in sound are mixed. It has since been replaced by newer C-Series models.
Pros
- Deep blacks and near-infinite contrast for dark-room viewing
- Very low input lag and near-instant response for gaming
- Gaming features available across all four HDMI 2.1 ports
- Praised as a standout choice in the small-screen OLED size
Cons
- Struggles to dim direct reflections in bright rooms
- Loses a lot of HDR brightness in Game Optimizer mode
- No ATSC 3.0 (NextGen TV) tuner
Our summary of professional and shopper reviews published elsewhere (RTINGS, What Hi-Fi?, Tom's Guide and Stuff), as of Oct 9, 2026. These are not reviews of ShopNow4.
Key specs
| Brand | LG |
|---|---|
| Screen size | 42 inches |
| Resolution | 4K UHD |
| Display type | OLED (OLED evo) |
| Refresh rate | 120 Hz |
| Response time | 0.1 ms |
| Gaming features | VRR, NVIDIA G-Sync, AMD FreeSync Premium |
| Processor | a9 Gen 7 AI Processor |
| Smart platform | webOS 24 |
| HDMI ports | 4 |
| Connectivity | Wi-Fi, Ethernet |
| Audio | Dolby Atmos, Virtual 9.1.2 up-mix |
| Voice control | Magic Remote with voice control, Amazon Alexa |
| Dimensions (with stand) | 932 x 577 x 170 mm |
| Wall mount pattern | 300 x 200 |
| Category | TVs |
| Price | $998.34 |
| Availability | In stock |
| SKU | lg-4k-uhd-oled-evo-c4-smart-tv-30e6a1 |
