A larger OLED can make movies and games feel more immersive, but it also needs more wall or console space. This Best LG OLED TV guide compares three C6 screen sizes and helps you match their listed picture, gaming, and smart features to your room and viewing habits.
All three options use OLED technology and LG’s webOS platform, but the published specifications are not identical across sizes. Check the exact model listing for refresh rate, dimensions, connections, and mounting details before you choose.
Pros
- 65-inch 4K OLED display
- Dolby Vision and Dolby Atmos
- Up to 165Hz refresh rate
- NVIDIA G-Sync and AMD FreeSync Premium
Cons
- HDMI version not specified
- Who should skip it: buyers needing confirmed HDMI version
Pros
- OLED pixel-level contrast
- 120Hz native refresh rate
- Four HDMI ports
- Dolby Vision and Atmos
Cons
- Who should skip it: shoppers without space for a 77-inch TV
Pros
- Self-lit OLED pixels
- Dolby Vision and Dolby Atmos
- Up to 165Hz refresh rate
- NVIDIA G-Sync and AMD FreeSync Premium
Cons
- HDMI version not specified in published details
- Skip if confirmed HDMI-version details are essential
The Best TVs by Use Case
The supplied lineup contains three TVs, so this guide gives each size its own use case rather than repeating a product under multiple labels. The picks below reflect listed features and screen dimensions, not a claim that one size suits every room.
Best for a Larger Living Room: LG 77-Inch OLED evo C6 4K Smart TV
The LG 77-Inch OLED evo C6 4K Smart TV is the largest option here, making it the clearest fit when you want a broad viewing area for a spacious living room or home theater. Its listing specifies Dolby Vision, Dolby Atmos, Filmmaker Mode, and a native 120Hz refresh rate. It also lists VRR, ALLM, G-SYNC compatibility, and FreeSync Premium for gaming, plus four HDMI ports for connecting several devices.
Compare other 55-inch TV options if you want to assess a smaller screen against the space available. For this 77-inch model, the listing gives dimensions of 67.4 inches wide with or without the stand; depth and height vary by setup. Measure your furniture or wall before buying, and verify mount compatibility because mounting hardware is sold separately.
Reasons to buy:
- 77-inch screen suits larger rooms and home theater setups.
- Four HDMI ports allow connections for multiple devices.
- Dolby Vision, Dolby Atmos, and Filmmaker Mode support movie-focused viewing.
Reasons to avoid:
- Its 67.4-inch width needs substantial wall or console space.
- The listed 120Hz native refresh rate differs from the up-to-165Hz claim on the 55- and 65-inch listings, so verify the exact model’s gaming specifications.
Skip it if your room or furniture cannot accommodate a screen this wide, or if a smaller set better fits your usual viewing distance.
Best for a Mid-Size Setup: LG 65 inch Class LG OLED evo AI C6 4K Smart TV
The LG 65 inch Class LG OLED evo AI C6 4K Smart TV offers a middle screen size for buyers who want more viewing area than the 55-inch model without moving to the 77-inch option. Its listing names Brightness Booster, the a11 AI Processor Gen 3, Dolby Vision, Dolby Atmos, and Filmmaker Mode with Ambient Light Technology. It also claims a 0.1ms response time and support for refresh rates up to 165Hz, NVIDIA G-Sync, AMD FreeSync Premium, and VRR.
Those gaming details may appeal if you connect a compatible PC or console, but confirm the exact input and refresh-rate support in the complete listing before purchase. The published information does not give this size’s dimensions or port count, so measure the intended location and check connection needs rather than assuming specifications from the 77-inch model carry over.
Reasons to buy:
- 65-inch size sits between the other two options for room planning.
- The listing specifies Dolby Vision and Filmmaker Mode with Ambient Light Technology.
- Listed gaming features include VRR, G-Sync, and FreeSync Premium.
Reasons to avoid:
- Dimensions and HDMI port count are not included in the published details.
- The 165Hz claim is not stated for the 77-inch listing, so compare exact size-specific specifications.
Skip it if you need confirmed dimensions or port details before deciding and cannot verify them on the product listing.
Best Value: LG 55 inch Class LG OLED evo AI C6 4K Smart TV
The LG 55 inch Class LG OLED evo AI C6 4K Smart TV is the smallest and lowest-priced option in this supplied group, which makes it the value pick for a compact room or a more restrained screen-size preference. Its listed features include OLED pixels, Brightness Booster, the a11 AI Processor Gen 3, Dolby Vision, Dolby Atmos, and webOS. The listing also specifies gaming features including a 0.1ms response time, up to 165Hz, G-Sync, FreeSync Premium, and VRR.
The smaller screen may be easier to place than the 65- or 77-inch sets, but the published details do not give its physical dimensions. Check width, stand footprint, and mounting needs against your furniture or wall. The listing’s gaming claims are manufacturer-provided specifications; confirm that your chosen source device and connection can use the features you want.
Reasons to buy:
- Smallest screen in this comparison for tighter spaces.
- Includes Dolby Vision, Dolby Atmos, and webOS according to the listing.
- Listed VRR and G-Sync and FreeSync Premium support can suit compatible gaming setups.
Reasons to avoid:
- The published details omit physical dimensions and HDMI port count.
- Its smaller screen may not deliver the large-room viewing area you want.
Skip it if you want a larger screen for a spacious room or need documented dimensions and connections before comparing models.
How to Choose the Best LG OLED TV
Match screen size to the room
Screen size affects how much of your view the TV occupies and whether it fits your furniture or wall. The 55-inch option is the smallest in this group, the 65-inch model sits between the choices, and the 77-inch version is intended for larger rooms. These labels alone do not establish an ideal viewing distance, so consider your seating position and measure the available width before choosing.
Only the 77-inch listing supplies physical dimensions: 67.4 inches wide, 40.7 inches high, and 10.5 inches deep with the stand; without the stand, it is 67.4 inches wide, 38.7 inches high, and 1.9 inches deep. Do not assume those measurements apply to the other sizes. Check their product pages for overall dimensions, stand footprint, and mounting requirements.
Check gaming features on the exact size
Refresh rate, VRR, and low-latency features matter if you play fast-moving games with a compatible console or PC. The 55- and 65-inch listings claim up to 165Hz and a 0.1ms response time, along with VRR, G-Sync, and FreeSync Premium. The 77-inch listing instead specifies a 120Hz native refresh rate, VRR, ALLM, G-SYNC compatibility, and FreeSync Premium.
These descriptions are not interchangeable. Read the exact model’s specifications and check the connection details for your gaming device before relying on a particular refresh rate or feature. The published information lists four HDMI ports for the 77-inch TV but does not provide port counts for the 55- or 65-inch models.
Choose HDR and movie features for your viewing habits
Dolby Vision appears in the published feature lists for all three sizes, alongside Dolby Atmos and Filmmaker Mode. These formats and picture modes may matter if you watch supported movies or want a cinema-oriented presentation. Their presence does not establish how a TV will look in your specific room or how every streaming service will handle a title.
The 77-inch listing also identifies Filmmaker Mode with Ambient Light Technology and Dolby Vision, while the 55- and 65-inch listings describe Filmmaker Mode with Ambient Light Technology. Check the exact product page for the formats and features you care about, and verify streaming service support for the content you plan to watch.
Consider OLED brightness and room lighting
All three listings describe OLED pixels that illuminate independently and include Brightness Booster. The 77-inch listing specifically claims Brightness Booster Pro delivers up to 3.2 times brighter pixels, but that claim should not be treated as a measured comparison with the other sizes. The 55- and 65-inch listings name Brightness Booster without providing the same numerical claim.
If you watch in a bright room, compare the exact model’s display claims and consider where windows and lights sit relative to the screen. OLED’s self-lit pixels support pixel-level contrast according to the listings, but the published information does not provide comparable measured brightness figures across all three sizes.
Review smart features, sound, and connections
Each published listing names webOS, while the 55- and 65-inch descriptions also mention LG Channels, more than 400 free channels, and on-demand movies and shows. The 77-inch listing adds Alexa compatibility and describes AI Super Upscaling for HD and FHD content. Check that the services and voice-control setup you want are supported in your region and with your existing devices.
For sound, the 77-inch listing specifies a 40W, 2.2-channel speaker system, eARC, and WOW Orchestra support with a compatible LG soundbar. The other published descriptions mention Dolby Atmos but do not give equivalent speaker or port details. If you plan to connect a soundbar, console, and streaming device, verify the exact TV’s HDMI inputs and audio connections before ordering.
For more screen-size comparisons, see our guides to 55-inch TVs and TVs under $300. You can also browse the full TV category or the broader TV and home theater section.
How We Compared
This comparison uses the published product listings, including screen sizes, named display and gaming features, smart-platform details, dimensions where provided, and stated audio connections. The specifications differ by size, so recommendations stay tied to each model’s own listing. No customer feedback was supplied for evaluating reported ownership experiences.
Frequently Asked Questions
Which of these LG OLED sizes suits a small room?
The 55-inch model is the smallest of the three and may be easier to place in a compact room. Measure your furniture or wall and check the full dimensions on its listing, since the published details do not include them.
Is the 77-inch C6 a 120Hz or 165Hz TV?
The supplied 77-inch listing specifies a 120Hz native refresh rate. The 55- and 65-inch listings state up to 165Hz. Confirm the exact model’s specifications and compatible input details before buying for a specific gaming setup.
Do all three sizes have the same number of HDMI ports?
The published information specifies four HDMI ports for the 77-inch model, but it does not give port counts for the 55- or 65-inch models. Check the exact size’s product listing if you need to connect several devices at once.
Can I connect a soundbar to these TVs?
The 77-inch listing specifies eARC and describes pairing with a compatible LG soundbar. The published information for the other two sizes does not provide comparable connection details. Verify eARC or other audio output support for the particular size and soundbar you plan to use.
Do I need a wall mount for the 77-inch model?
No mount is identified as included in the published details, and the listing says wall-mount hardware is sold separately. Check mount compatibility and the TV’s dimensions before choosing a wall location or buying hardware.
Which size should I choose for movies and gaming?
Choose based on room fit first, then compare the exact size’s gaming and connection specifications. All three listings name movie-focused features such as Dolby Vision and Filmmaker Mode, but their stated refresh rates and connection details vary. The 77-inch listing is the only one here with a specified HDMI count and built-in speaker configuration.
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