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LG OLED B46 55" 4K Smart TV vs LG C2 42-Inch OLED TV

Both are LG OLED panels with 120 Hz refresh, four HDMI ports and infinite contrast, so the picture gap is small. The C2 42 is the better pick for a desk, a small room or console gaming: it has the α9 Gen 5 processor, G-SYNC, FreeSync Premium, VRR, Dolby Vision IQ and Dolby Atmos, and owners rate it 4.7 from over 2,000 ratings. The B46 is the better pick for a bright living room at larger sizes, where its higher brightness and wider size range matter more than the C2's gaming extras.

  • Choose the OLED B46 if you want a larger screen for a living room and care more about brightness and size choice than gaming features.
  • Choose the LG C2 if you sit close, game on a console or PC, or want the more advanced processor and gaming support.

Prices

  • LG OLED B46 55" 4K Smart TV: $499.00 at velnoriaot (last seen Nov 12)
  • LG C2 42-Inch OLED TV: $255.00 at korestorera (last seen Nov 9)
  • Difference: the LG C2 42-Inch OLED TV is $244.00 cheaper than the LG OLED B46 55" 4K Smart TV at the latest prices (Nov 9 and Nov 12)
O
OLED B46 55 Inch 4K Smart TV 2024

LG OLED B46 55" 4K Smart TV

OLED B46 55 Inch 4K Smart TV 2024

$499.00at velnoriaotChecked Nov 12
See all prices and details
Visit velnoriaot
Pros
  • Brighter OLED picture for rooms with daylight
  • Five sizes from 48 to 83 inches
  • Four HDMI ports and full streaming app set
  • Self-lit pixels give perfect black and wide viewing angles
Cons
  • No listed VRR or G-SYNC for gaming
  • No Dolby Vision or Dolby Atmos listed
  • Standard processor next to the C2's α9
LG
LG C2 42 Inch Class 4K OLED evo w/ ThinQ AI

LG C2 42-Inch OLED TV

LG C2 42 Inch Class 4K OLED evo w/ ThinQ AI

4.7(2,148 ratings)
$255.00at korestoreraChecked Nov 9
See all prices and details
Visit korestorera
Pros
  • α9 Gen 5 processor adjusts picture and sound automatically
  • G-SYNC, FreeSync Premium and VRR for smooth gaming
  • Dolby Vision IQ and Dolby Atmos
  • Slim composite-fiber build and anti-reflective coating
  • Rated 4.7 out of 5 from 2,148 ratings
Cons
  • 42-inch size is small for a main living-room TV
  • The 42-inch model is not the brighter OLED evo panel
  • Fewer size options than the B46

What separates them

LG OLED B46 55" 4K Smart TVLG C2 42-Inch OLED TV
Screen sizes48, 55, 65, 77 and 83 inches42-inch class model
Picture processorStandard LG OLED processingα9 Gen 5 AI Processor 4K
Gaming features120 Hz panel, no listed VRR or G-SYNC supportG-SYNC, FreeSync Premium and VRR, under 1 ms response
HDR formatsHDR supportedDolby Vision IQ plus HDR
AudioStandard TV speakersDolby Atmos support
BrightnessBrighter panel, better for lit roomsOLED evo, but the 42-inch model is not brighter than standard OLED
Anti-glareStandard glossy finishAnti-reflective coating on a glossy finish
Smart platformwebOS with Netflix, Prime Video, YouTube and Disney+webOS with ThinQ AI and Netflix

Price history

  • LG OLED B46 55" 4K Smart TV: lowest $599.99 on Nov 1.
  • LG C2 42-Inch OLED TV: lowest $762.15 on Nov 11 at Walmart.

Prices at every store

LG OLED B46 55" 4K Smart TV

  • velnoriaotNew

    In stockReturn policy

    $499.00Checked Nov 12
    Visit velnoriaot
Prices and history →

LG C2 42-Inch OLED TV

  • korestoreraNew

    In stock

    $255.00Checked Nov 9
    Visit korestorera
  • WalmartNew

    In stockSold by Seller

    $762.15Checked Nov 10
    Visit Walmart
All 2 stores and price history →

Specs compared

SpecLG OLED B46 55" 4K Smart TVLG C2 42-Inch OLED TV
Resolution3840 x 21604K UHD
HDTV Format4K4K UHD
ColorBlackDark Silver
Display TypeOLEDOLED
Refresh Rate120 Hz120 Hz
HDMI Ports4 HDMI ports4
High DefinitionYes—
Screen FormFlat—
HDRYes—
ConnectivityBluetooth, Wi-Fi, RF, USB, HDMI, Ethernet, Opti…—
Supported Streaming ServicesNetflix, Prime Video, YouTube, Disney+—
Screen Size48 inches, 65 inches, 77 inches, 83 inches—
Show all 40 specsShow fewer specs
SpecLG OLED B46 55" 4K Smart TVLG C2 42-Inch OLED TV
Weight25.8 lb, 54 lb, 80 lb—
Network Functionality—Smart TV
Supported Resolutions—4K
Backlight Technology—OLED
Display Highlights—HDR
Anti-Glare—Yes (glossy finish, anti-reflective coating)
Display Aspect Ratio—16:9
Dynamic Contrast Ratio—Infinite contrast
Image Contrast Ratio—Infinite contrast

What reviewers say

LG OLED B46 55" 4K Smart TV

Owners of LG's OLED sets generally praise the deep blacks, contrast and gaming performance, and most find the picture a clear step up from LED. Complaints center on brightness in bright rooms and worry about burn-in.

What people mention
  • Picture qualityPraisedOwners say the per-pixel contrast makes dark scenes look far better than on LED sets.
  • BrightnessCriticisedReviewers note it dims next to bright LED and mini-LED TVs in daylight rooms.
  • GamingPraisedThe 120 Hz panel and low lag are called out as strong for consoles.
  • Burn-inMixedSome owners worry about static logos and HUDs; long-term reports are mostly fine but not universal.

LG C2 42-Inch OLED TV

  • 4.7 / 52,148 ratings

Owners rate it very highly, praising the contrast, gaming features and picture quality for the size. Complaints center on brightness in bright rooms, reflections from the glossy finish, and the risk of burn-in when used as a monitor.

What people mention
  • Picture qualityPraisedOwners describe deep blacks, rich color and strong contrast, especially in dim rooms.
  • BrightnessCriticisedReviewers say the 42-inch panel is dimmer than larger C2 sizes and struggles against strong daylight.
  • GamingPraisedBuyers praise low lag, 120 Hz and VRR working smoothly with consoles and PCs.

Questions and answers

Which is better for gaming?
The LG C2. It supports G-SYNC, FreeSync Premium and VRR with under 1 ms response, and its α9 Gen 5 processor helps in game mode. The B46 has a 120 Hz panel but no listed VRR support.
Which has the better picture?
They are close, since both are self-lit OLED with infinite contrast. The B46 is brighter for daytime viewing. The C2 adds Dolby Vision IQ and the α9 processor for more precise tone mapping.
Is the C2 42 too small for a living room?
For most living rooms, yes. A 42-inch screen suits a bedroom, desk or small apartment. If you want a main-room TV, the B46's 55-inch and larger sizes fit better.
Which lasts longer?
Both use OLED panels with similar lifespans, and neither maker publishes a hard hour figure. OLED pixels can dim over years of heavy use, so varied content and lower brightness help both. The C2's larger owner base gives more long-term feedback.
Is the C2 worth stepping up to over the B46?
If you game or watch Dolby Vision movies, yes. The C2 adds VRR, G-SYNC, Dolby Atmos and the α9 processor. If you mainly watch in a bright room at 55 inches or more, the B46's brightness and size range serve you better.
Do both support 4K at 120 Hz?
Yes. Both are 4K panels with a native 120 Hz refresh rate and four HDMI ports. Check that your console or PC cable and port support the full bandwidth.

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  • LG 65" Class B6E Series OLED AI 4K Smart webOS TV (2026) vs LG C2 42 Inch Class 4K OLED evo w/ ThinQ AI
  • Roku Pro Series 55-Inch 4K OLED 120Hz Smart TV (2026) vs LG C2 42 Inch Class 4K OLED evo w/ ThinQ AI

Buying guides that pick them

  • Best 43-inch OLED TVs under $800
Viewing Angle
—
Wide Viewing Angle
Viewing Angle (Vertical)—178 degrees
Menu Language—37
Smart TV—Yes
Internet Streaming Services—Netflix
Network Connectivity—Ethernet, Wi-Fi
Video Interface—HDMI
PC Interface—HDMI
CEC Enabled—Yes (Simplink (HDMI CEC))
Expansion Slots—CI+
Dimensions—1.8 inches (enclosure thickness)
Screen Resolution—4K Ultra HD (3,840 x 2,160)
Native Refresh Rate—120Hz Native
Picture Processor—α9 Gen 5 AI Processor 4K
Response Time—<1 ms
Bluetooth Version—Version 5.0
Wi-Fi Standard—Wi-Fi Certified 802.11ac
Power Supply—AC 120V, 50/60Hz
Standby Power—Under 0.5W
  • ReflectionsCriticisedThe glossy anti-reflective coating still shows lamps and windows in bright rooms.