A 40‑inch screen hits the sweet spot for apartments, bedroom setups, and secondary rooms where a massive display would feel overwhelming. In 2026 manufacturers have packed these midsize TVs with OLED and high‑refresh QLED panels, AI‑driven picture processing, and all‑the‑major streaming apps built in.
This guide reviews the five most capable 40‑inch smart TVs currently on the market. We compare price, performance, and special features so you can choose a model that matches your viewing habits and budget without wasting time on endless product pages.
Quick Comparison
| Product | Best For | Rating |
|---|---|---|
| Samsung QN85C 40” QLED | Bright rooms | 4.6/5 |
| LG C2 40” OLED | Cinema lovers | 4.7/5 |
| Sony X85K 40” LED | Gaming | 4.5/5 |
| TCL 5-Series S535 40” QLED | Budget | 4.4/5 |
| Vizio M-Series M5QX-H1 40” QLED | Mixed use | 4.5/5 |
1. Samsung QN85C 40” QLED - Best Overall
Samsung’s QN85C brings a 4K QLED panel with Quantum HDR 2000, a 120 Hz native refresh rate, and the Tizen OS platform. The TV supports both HDR10+ and Dolby Vision, delivering bright, punchy colors even in sun‑lit rooms. Its Neo Quantum Processor 4K upscales lower‑resolution content, while Multi View lets you split the screen for multitasking. With a sleek thin bezel and built‑in Alexa, Bixby, and Google Assistant, it works well as a smart hub.
2. LG C2 40” OLED - Best Budget
The LG C2 OLED offers perfect blacks and infinite contrast thanks to its self‑emissive pixels. It runs webOS 23, includes AI Picture Pro, and supports Dolby Vision, HDR10, and HLG. The panel runs at 120 Hz and features G-Sync and FreeSync compatibility, making it a strong choice for gamers on a tighter budget. LG’s ThinQ AI integrates with Alexa, Google Assistant, and Apple AirPlay 2 for voice control and seamless casting.
3. Sony X85K 40” LED - Best for Gaming
Sony’s X85K packs a 4K LED panel with a 120 Hz refresh rate and HDMI 2.1, supporting 4K@120 fps for next‑gen consoles. The TV uses the Cognitive Processor XR to enhance detail and motion, and it includes a dedicated Game Mode with low input lag (under 8 ms). Google TV provides a broad app ecosystem and built‑in Google Assistant for voice commands. Dolby Atmos support adds immersive audio when paired with a soundbar.
4. TCL 5-Series S535 40” QLED - Best Value
TCL’s 5‑Series S535 delivers a 4K QLED panel with HDR10 and Dolby Vision at a very competitive price. The TV runs Roku TV, offering a simple, ad‑free interface and thousands of streaming channels. It features a 60 Hz panel, which is adequate for most movies and TV shows, and a built‑in Roku Voice remote for quick searches. The S535 is a solid choice for viewers who want solid picture quality without premium‑price features.
5. Vizio M-Series M5QX-H1 40” QLED - Best Mixed Use
Vizio’s M5QX‑H1 blends a 4K QLED panel with Full‑Array Local Dimming, delivering deeper blacks than typical edge‑lit LEDs. It supports HDR10+, Dolby Vision, and has a 120 Hz refresh rate. SmartCast OS includes built‑in Chromecast and AirPlay 2, allowing easy casting from phones and tablets. The TV also offers a Game Mode with reduced input lag, making it versatile for both entertainment and gaming.
How to Choose
When selecting a 40‑inch smart TV, start by deciding which picture technology matters most to you. OLED panels provide perfect blacks and wide viewing angles, while QLEDs deliver higher peak brightness and are better for bright rooms. Consider the refresh rate and HDMI version if you plan to connect next‑gen consoles; 120 Hz and HDMI 2.1 are now standard for smooth gaming.
Next, evaluate the smart platform. Tizen, webOS, Google TV, Roku, and SmartCast each have unique app selections and voice‑assistant integrations. Choose a system that matches the devices you already use at home. Finally, think about connectivity options such as the number of HDMI ports, eARC support for soundbars, and wireless casting capabilities. Balancing these factors with your budget will guide you to the model that fits your living space and viewing habits.
Frequently asked questions
Do 40 inch smart TVs support Dolby Vision?+
Yes, most 2026 models include Dolby Vision HDR, but double‑check the spec sheet because some budget units only offer HDR10.
Which brand offers the best voice‑assistant integration?+
Samsung and LG both embed Bixby and ThinQ AI respectively, while Sony pairs with Google TV for seamless voice control.