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LG B6 OLED 65-inch TV vs LG B6 OLED 55-Inch 4K Smart TV

These are the same TV in two sizes. The 65-inch B6 and the 55-inch B6 share the α8 Gen3 processor, 4K OLED panel, 120Hz with VRR, four HDMI 2.1 ports, Dolby Vision, Dolby Atmos and webOS 26, so picture and gaming behavior match. The real decision is room size and viewing distance: the 65-inch is the better home-cinema pick if you sit roughly 8 feet or more away, while the 55-inch suits apartments, bedrooms and closer seating. Owners of LG's B-series consistently praise the deep blacks and low gaming lag; the known trade-offs are OLED's limited brightness in very bright rooms and the risk of static-image burn-in.

  • Choose the LG 65-inch B6 if you have the wall space and sit far enough back that a 65-inch screen fills your view without feeling overwhelming.
  • Choose the LG 55-inch B6 if your room or seating distance is modest and you want the same OLED picture and gaming features in a lighter, easier-to-place set.

Prices

  • LG B6 OLED 65-inch TV: $487.00 at waxvinylcartel (last seen Nov 12)
  • LG B6 OLED 55-Inch 4K Smart TV: $366.00 at waxvinylcartel (last seen Nov 11)
  • Difference: the LG B6 OLED 55-Inch 4K Smart TV is $121.00 cheaper than the LG B6 OLED 65-inch TV at the latest prices (Nov 11 and Nov 12)
LG
LG OLED65B6ELC 65 Inch OLED AI B6 4K Ultra HD HDR Smart TV 2026

LG B6 OLED 65-inch TV

LG OLED65B6ELC 65 Inch OLED AI B6 4K Ultra HD HDR Smart TV 2026

$487.00at waxvinylcartelChecked Nov 12
See all prices and details
Visit waxvinylcartel
Pros
  • Immersive 65-inch OLED picture with perfect blacks
  • Same 120Hz, VRR and HDMI 2.1 gaming features as the 55-inch
  • Dolby Vision and Filmmaker Mode for accurate movie playback
  • Four HDMI 2.1 ports for consoles and soundbars
Cons
  • Heavier and harder to place on a narrow wall or small stand
  • Larger screen makes any panel uniformity flaws easier to see
  • Needs more viewing distance to look sharp and comfortable
LG
LG OLED55B6ELC 55 Inch OLED AI B6 4K Ultra HD HDR Smart TV 2026

LG B6 OLED 55-Inch 4K Smart TV

LG OLED55B6ELC 55 Inch OLED AI B6 4K Ultra HD HDR Smart TV 2026

$366.00at waxvinylcartelChecked Nov 11
See all prices and details
Visit waxvinylcartel
Pros
  • Same OLED panel technology and α8 Gen3 processor as the 65-inch
  • Fits apartments, bedrooms and smaller walls
  • Lighter at 14.3 kg and easier to mount
  • 120Hz, VRR and Game Optimiser for console gaming
Cons
  • Less cinematic at longer viewing distances
  • Smaller screen shows less detail in wide shots
  • OLED brightness limits remain in very bright rooms

What separates them

LG B6 OLED 65-inch TVLG B6 OLED 55-Inch 4K Smart TV
Screen size65 inches55 inches
Weight17.1 kg14.3 kg
Picture processorα8 AI Processor 4K Gen3α8 AI Processor 4K Gen3
Refresh rate and VRR120Hz native, VRR 120Hz120Hz native, VRR 120Hz
HDR formatsDolby Vision, HDR10, HLGDolby Vision, HDR10, HLG
HDMI and USB ports4 HDMI, 1 USB4 HDMI, 1 USB
AudioDolby Atmos support20W output, Dolby Atmos support
Best seating distanceRoughly 8 feet or moreRoughly 6 to 7 feet

Prices at every store

LG B6 OLED 65-inch TV

  • waxvinylcartelNew

    In stockShips from the UK · duties may applyReturn policy

    $487.00Checked Nov 12
    Visit waxvinylcartel
Prices and history →

LG B6 OLED 55-Inch 4K Smart TV

  • waxvinylcartelNew

    In stockShips from the UK · duties may applyReturn policy

    $366.00Checked Nov 11
    Visit waxvinylcartel
Prices and history →

Specs compared

SpecLG B6 OLED 65-inch TVLG B6 OLED 55-Inch 4K Smart TV
Refresh Rate120Hz Native (VRR 120Hz)120Hz Native (VRR 120Hz)
HDR SupportDolby Vision / HDR10 / HLGDolby Vision, HDR10, HLG
Operating SystemwebOS 26webOS 26
Screen Size65 in55 in
HDMI Ports44
USB Ports11
Weight17.1 kg14.3 kg
Display Type4K OLED—
Display Resolution4K Ultra HD (3,840 x 2,160)—
Picture ProcessorAlpha 8 AI Processor 4K Gen3—
Response TimeLess than 0.1ms—
Dolby AtmosYes—
Show all 17 specsShow fewer specs
SpecLG B6 OLED 65-inch TVLG B6 OLED 55-Inch 4K Smart TV
Display technology—OLED
Resolution—4K Ultra HD
Processor—α8 AI Processor 4K Gen3
Audio output—20W
VESA mount size—300 x 200

Questions and answers

Which is better for a large living room?
The 65-inch. At around 8 feet or more of seating distance it fills your view the way a cinema screen does, and the extra size shows more detail in wide shots. The 55-inch can look small on a big wall.
Do they have the same picture quality?
Yes. Both use a 4K OLED panel, the α8 AI Processor 4K Gen3, Dolby Vision and a 120Hz native refresh rate. The only meaningful difference is screen size and weight.
Which is better for gaming?
They are equal. Both offer 120Hz, VRR at 120Hz, under 0.1ms response time, Game Optimiser and four HDMI 2.1 ports. Pick the size that suits your seating distance.
Is the 65-inch worth stepping up to?
Only if your room and seating distance support it. The step up buys immersion, not extra features. If you sit close or have a small wall, the 55-inch is the smarter fit.
Which lasts longer?
Neither has a durability edge; they share the same panel generation and electronics. OLED care features and how you use the set, such as avoiding long static logos, matter more than size.
Will either fit my TV stand or wall mount?
Check the stand width and VESA pattern for your furniture. The 55-inch uses a 300 x 200 VESA mount and weighs 14.3 kg; the 65-inch is heavier at 17.1 kg, so confirm your bracket's rating.

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