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LG C5 Series 48" OLED evo TV vs LG B4 Series OLED 4K Smart TV

The C5 is the better TV: a brighter OLED evo panel, the newer Alpha 9 Gen8 processor and webOS 25 put it ahead of the B4 on picture and software. The B4 uses LG's older Alpha 8 chip and webOS 24, but it still delivers true OLED contrast, 120Hz, four HDMI 2.1 ports and full gaming support, and it comes in larger sizes. Owners rate both highly; the C5's edge is brightness and processing, not a different panel technology.

  • Choose the LG C5 if you want the brightest, most current LG OLED in a smaller room or desktop setup and care about the latest processor and webOS features.
  • Choose the LG B4 if you want a larger OLED screen and full gaming features without stepping up to LG's evo panel.

Prices

  • LG C5 Series 48" OLED evo TV: $831.56 at Walmart (checked today)
  • LG B4 Series OLED 4K Smart TV: $930.95 at JourneyEd (last seen Nov 10)
  • Difference: the LG C5 Series 48" OLED evo TV is $99.39 cheaper than the LG B4 Series OLED 4K Smart TV at the latest prices (Nov 10 and Nov 11)
LG
LG 48" C5 Series 4K UHD OLED evo AI Smart webOS 25 TV

LG C5 Series 48" OLED evo TV

LG 48" C5 Series 4K UHD OLED evo AI Smart webOS 25 TV

4.8(1,558 ratings)
$831.56at WalmartChecked 7 h ago
See all prices and details
Visit Walmart
Pros
  • OLED evo panel is noticeably brighter in lit rooms
  • Alpha 9 Gen8 processor handles upscaling and AI picture tuning
  • VRR up to 144Hz suits PC gaming
  • Slim bezel and art mode fit living spaces
Cons
  • Only offered here in 48 inch
  • Wi-Fi 5, not Wi-Fi 6
  • Fewer built-in voice assistant options listed
LG
LG B4 Series OLED 4K Smart TV

LG B4 Series OLED 4K Smart TV

4.7(1,800 ratings)
$930.95at JourneyEdChecked Nov 10
See all prices and details
Visit JourneyEd
Pros
  • True OLED contrast at a larger 65 inch size
  • Four HDMI 2.1 ports and full VRR/ALLM gaming support
  • Google Assistant, Alexa and Siri support
  • webOS 24 with 300+ free LG Channels
Cons
  • Standard OLED panel is dimmer than evo
  • Older Alpha 8 processor
  • webOS 24 rather than the newest version

What separates them

LG C5 Series 48" OLED evo TVLG B4 Series OLED 4K Smart TV
PanelOLED evo with boosted brightness (rated around 944 nits)Standard OLED
ProcessorAlpha 9 Gen8 AI ProcessorAlpha 8 AI Processor 4K
Smart platformwebOS 25webOS 24 with LG Channels (300+ free channels)
Screen sizes48 inch65 inch
Gaming features120Hz, VRR up to 144Hz for PC, G-Sync Compatible, FreeSync, four HDMI 2.1120Hz, VRR, G-Sync, FreeSync Premium, ALLM, four HDMI 2.1
HDR and soundDolby Vision and Dolby Atmos, FILMMAKER MODEDolby Vision and Dolby Atmos, FILMMAKER MODE
Voice assistantswebOS voice controlGoogle Assistant, Amazon Alexa, Siri
DesignNear-invisible bezel, 45.2 lbsFlat panel, 37.7 lbs

Price history

$1,195.93$359.87
Oct 30Nov 11
  • LG C5 Series 48" OLED evo TV: lowest $850.24 on Nov 11 at Newegg.
  • LG B4 Series OLED 4K Smart TV: lowest $359.87 on Nov 8; $930.95 on Nov 10.

Prices at every store

LG C5 Series 48" OLED evo TV

  • WalmartNew

    In stockSold by Brandsmart USAReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $831.56Checked 7 h ago
    Visit Walmart
  • NeweggNew

    In stock

    $850.24Free shippingChecked 6 h ago
    Visit Newegg
  • Sam's ClubNew

    In stock

    $1,096.99Free shippingChecked 6 h ago
    Visit Sam's Club
  • Best BuyNew

    Availability unknown

    $926.12Checked Nov 7
    Visit Best Buy

Also available at

  • WalmartCheck price at Walmart

Store links may earn us a commission. Some prices via Klarna.

All 5 stores and price history →

LG B4 Series OLED 4K Smart TV

  • JourneyEdNew

    In stock

    $930.95Checked Nov 10
    Visit JourneyEd
  • eBayPre-owned

    Availability unknown

    $584.99Free shippingChecked 9 h ago
    Visit eBay

Store links may earn us a commission.

All 2 stores and price history →

Specs compared

SpecLG C5 Series 48" OLED evo TVLG B4 Series OLED 4K Smart TV
colorBlackBlack
Screen size48 inch65 inches
Resolution3,840 by 2,1603840 x 2160
Refresh rate120120 Hz
HDMI ports44 HDMI ports
Display TypeOLEDOLED
HDTV Format4K UHD4K
CEC EnabledYesYes
Panel typeOLED—
HDR supportDolby Vision—
VRR supportFreeSync—
G-Sync supportG-Sync Compatible—
Show all 40 specsShow fewer specs
SpecLG C5 Series 48" OLED evo TVLG B4 Series OLED 4K Smart TV
Screen brightness944—
Wi-FiWi-Fi 5—
Dimensions42.2"W x 1.8"D x 24.4"H—
Product weight45.2 lbs—
Network FunctionalitySmart TV, Streaming—
Supported Resolutions4K—
Backlight TechnologyOLED—
Display HighlightsHDR—
Anti-GlareYes—
Max Resolution V-Sync

What reviewers say

LG C5 Series 48" OLED evo TV

  • 4.8 / 51,558 ratings

Rated 4.8 out of 5 from 1,558 ratings, the C5 is well received for its picture and gaming features. Owners treat it as a strong small-room OLED. Bright-room performance and the 48-inch size are the usual reservations.

What people mention
  • Picture qualityPraisedOwners praise the deep blacks and contrast that OLED delivers.
  • GamingPraisedReviewers like the 120Hz panel, VRR and four HDMI 2.1 ports for consoles.
  • BrightnessMixedSome find it bright enough for most rooms, others say it struggles in direct sunlight.
  • SizeMixedBuyers like the 48-inch size for small rooms but some wish it were larger.

LG B4 Series OLED 4K Smart TV

  • 4.7 / 51,800 ratings

Owners rate the B4 highly, with 4.7 out of 5 from 1,800 ratings. Most praise the deep blacks, gaming features and value for an OLED. Complaints center on brightness in bright rooms and the step-down processor.

What people mention
  • Picture qualityPraisedOwners highlight deep blacks and per-pixel contrast as the main reason to buy.
  • BrightnessCriticisedSome say HDR highlights and daytime viewing are dimmer than higher LG OLEDs.
  • GamingPraisedFour HDMI 2.1 ports, VRR and low response time are called out by console gamers.

Questions and answers

Which is better for gaming, the C5 or the B4?
Both are strong. The C5 adds VRR up to 144Hz for PC and the newer processor; the B4 has 120Hz, G-Sync, FreeSync Premium, ALLM and four HDMI 2.1 ports. Pick the C5 for PC play, the B4 for console gaming on a bigger screen.
Is the C5 brighter than the B4?
Yes. The C5 uses LG's OLED evo panel with boosted brightness, rated around 944 nits here. The B4 uses a standard OLED panel, so highlights and full-screen brightness are lower.
Which lasts longer?
Both are OLED and share similar panel longevity. The C5's newer processor and webOS 25 should stay current longer for features and updates. Neither has a meaningful durability advantage in owner reports.
Should I step up to the C5 from the B4?
Step up if you watch in a bright room, game on a PC, or want the latest processor and webOS. Stay with the B4 if you want a larger 65-inch screen and its gaming features are enough.
Does the B4 support Dolby Vision and Atmos?
Yes. The B4 supports Dolby Vision, Dolby Atmos and FILMMAKER MODE, the same HDR and audio formats as the C5.
Which has better smart TV features?
The C5 runs webOS 25 with the newer AI search and picture tuning. The B4 runs webOS 24 with LG Channels and supports Google Assistant, Alexa and Siri, which the C5 listing does not detail.

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VRR
—
Display Aspect Ratio16:9—
Dynamic Contrast RatioInfinite contrast—
Image Contrast RatioNear-infinite—
Viewing AngleWide—
Menu LanguageSpanish, English, French—
Color TemperatureYes—
Smart TVYes—
Internet Streaming ServicesNetflix, Disney+—
Network ConnectivityEthernet—
Video InterfaceHDMI—
PC InterfaceHDMI—
Expansion SlotsCommon Interface (CI) slot—
DisplayOLED—
BrandLG—
Television typeOLED TVs—
Smart techY—
StreamersApple+—
PlatformwebOS—
Processor
Mixed
The α8 chip handles upscaling well but is seen as a step behind the C4's processor.