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LG A2 OLED 4K Smart TV vs Samsung OLED S90D 65-inch

The Samsung S90D is the stronger TV for most people. It has a 120Hz panel, four HDMI 2.1 ports and much higher brightness, so it suits gaming and bright rooms. The LG A2 is a 60Hz OLED with HDMI 2.0 and lower peak brightness, which makes it a budget-minded pick for dark-room movie watching. Reviewers rate the S90D's picture and motion well above the A2, and owners of both praise OLED contrast; the A2's main edge is that it is the simpler, cheaper way into a 65-inch OLED.

  • Choose the LG A2 if you watch mostly movies and shows in a dim room and do not need 120Hz gaming or four next-gen HDMI inputs.
  • Choose the Samsung S90D if you play games, watch sports, or have a bright room and want the better panel and connectivity.

Prices

  • LG A2 OLED 4K Smart TV: $458.00 at korestorera (checked today)
  • Samsung OLED S90D 65-inch: $1,148.00 at Walmart (last seen Nov 4)
  • Difference: the LG A2 OLED 4K Smart TV is $690.00 cheaper than the Samsung OLED S90D 65-inch at the latest prices (Nov 4 and Nov 12)
LG
LG 65 Inch Class A2 AUA series OLED 4K UHD Smart webOS 22 w/ ThinQ AI TV

LG A2 OLED 4K Smart TV

LG 65 Inch Class A2 AUA series OLED 4K UHD Smart webOS 22 w/ ThinQ AI TV

$458.00at korestoreraChecked 1 h ago
See all prices and details
Visit korestorera
Pros
  • OLED contrast with per-pixel blacks
  • Dolby Vision IQ and Dolby Atmos support
  • webOS 22 is simple to navigate
  • Thin panel, easy to wall-mount
Cons
  • 60Hz limits gaming and smooth motion
  • HDMI 2.0 only, no 4K120 or VRR
  • Lower brightness than the S90D
  • Glossy screen picks up reflections
Samsung
Samsung OLED S90D 65-inch

Samsung OLED S90D 65-inch

$1,148.00at WalmartChecked Nov 4
See all prices and details
Visit Walmart
Pros
  • 120Hz OLED panel with strong motion
  • Four HDMI 2.1 ports for consoles and PCs
  • Higher brightness and anti-glare coating
  • Good gaming features: VRR and Game Bar
Cons
  • No Dolby Vision
  • Tizen interface has more ads and clutter
  • Stand is wider and needs a broad surface
  • HDR10+ only, so Dolby Vision content falls back

What separates them

LG A2 OLED 4K Smart TVSamsung OLED S90D 65-inch
Refresh rate60Hz120Hz
HDMIHDMI 2.0, no 4K120 or VRR support4 HDMI 2.1 ports with 4K120 and VRR
BrightnessLower peak brightness, best in a dark roomNoticeably brighter panel, handles more ambient light
Processorα7 Gen5 AI Processor 4KSamsung's OLED processor with 4K upscaling
HDR formatsDolby Vision IQ and Dolby AtmosHDR10+ and no Dolby Vision
Anti-glareGlossy screen, reflections show moreAnti-glare coating reduces reflections
Smart platformwebOS 22 with ThinQ AITizen with Google Assistant and Alexa support
Gaming featuresBasic gaming, 0.1ms response but 60Hz capGame Bar, VRR, low input lag at 120Hz

Price history

$1,556.18$1,098.00
Nov 1Nov 13
  • LG A2 OLED 4K Smart TV: lowest $1,196.99 on Nov 13 at bhphotovideo.com.
  • Samsung OLED S90D 65-inch: lowest $1,098.00 on Nov 1 at Walmart; $1,556.18 on Nov 13.

Prices at every store

LG A2 OLED 4K Smart TV

  • korestoreraNew

    In stock

    $458.00Checked 1 h ago
    Visit korestorera
  • SamstoresNew

    In stock

    $1,650.82+ $289.99 shippingChecked 1 h ago
    Visit Samstores
  • bhphotovideo.comNew

    Out of stock

    $1,196.99Free shippingChecked 1 h ago
    Visit bhphotovideo.com
All 3 stores and price history →

Samsung OLED S90D 65-inch

  • WalmartNew

    Availability unknown

    $1,148.00Checked Nov 4
    Visit Walmart
  • Coles ComputersNew

    Availability unknown

    $1,499.99Checked Nov 4
    Visit Coles Computers
  • ABC WarehouseNew

    Availability unknown

    $1,697.99Checked Nov 4
    Visit ABC Warehouse
  • Creation NetworksNew

    Availability unknown

    $2,199.99Checked Nov 4
    Visit Creation Networks
All 7 stores and price history →

Specs compared

SpecLG A2 OLED 4K Smart TVSamsung OLED S90D 65-inch
Display Type4K OLEDOLED
Refresh Rate60Hz120 Hz
HDRDolby Vision IQYes
Screen Size65 Inch65 inches
Picture Processorα7 Gen5 AI Processor 4k—
AudioDolby Atmos—
Operating SystemwebOS Smart TV—
HDMI VersionHDMI 2.0—
Response Time0.1ms—
Resolution—3840 x 2160
CEC Enabled—Yes
High Definition—Yes
Show all 24 specsShow fewer specs
SpecLG A2 OLED 4K Smart TVSamsung OLED S90D 65-inch
HDTV Format—4K
Color—Black
Screen Form—Flat
Assistant Support—Google Assistant, Amazon Alexa
Connectivity—Bluetooth, Wi-Fi, USB, HDMI, Ethernet, Optical …
Anti-Glare—Yes
With Energy Saving Mode—Yes
With V-Chip—Yes
Width—56.7 in wide
Depth

What reviewers say

Samsung OLED S90D 65-inch

Owners of Samsung's S90D line generally praise the picture, especially black levels and gaming smoothness. Common complaints center on brightness in sunny rooms and the care needed to avoid burn-in.

What people mention
  • Picture qualityPraisedOwners say dark scenes look deep and colors stay accurate off-axis.
  • BrightnessMixedFine in dim rooms, but reviewers say HDR highlights and bright rooms expose its limits.
  • GamingPraised120 Hz and low input lag make it a popular pick for consoles.
  • Burn-inCriticisedSome owners worry about static logos and HUDs leaving marks over time.

Questions and answers

Which is better for gaming, the LG A2 or the Samsung S90D?
The S90D. Its 120Hz panel, VRR and HDMI 2.1 ports support 4K120 from PS5 and Xbox Series X. The A2 caps at 60Hz over HDMI 2.0.
Does the LG A2 support Dolby Vision?
Yes. The A2 supports Dolby Vision IQ and Dolby Atmos. The S90D supports HDR10+ but not Dolby Vision.
Which TV is brighter?
The Samsung S90D. Its panel reaches higher peak brightness, which helps in a bright room. The A2 is dimmer and looks best in a dark room.
Is the S90D worth stepping up to over the A2?
For gaming, sports or a bright room, yes. The 120Hz panel and HDMI 2.1 ports are real upgrades. For dark-room movie watching on a tight budget, the A2 covers the basics.
Which has better smart TV software?
It is close. webOS 22 on the A2 is clean and quick. Tizen on the S90D has more apps and voice assistant support but more promotional clutter.
Do both have anti-glare screens?
The S90D has an anti-glare coating that cuts reflections. The A2 has a glossier finish, so reflections are more visible in a bright room.

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More comparisons

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  • SAMSUNG 65-Inch Class OLED 4K S90D Series HDR+ Smart TV vs LG 65 Inch Class A2 AUA series OLED 4K UHD Smart webOS 22 w/ ThinQ AI TV
  • Sony BRAVIA 4K HDR Google Smart OLED TV vs Samsung OLED S90D 65-inch

Buying guides that pick them

  • Best 65-inch OLED TVs under $500
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1.6 in deep
Weight—46.7 lb
HDMI Ports—4 HDMI ports