A comparison of specs, key information, reviews, and best pricing from top retailers
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42F201NA23
Company ProductName Specs











OLED48B4
Company ProductName Specs











Advantages of the Insignia F20 (LCD)
  • The Insignia F20 (LCD) has no clear advantages over the LG B4 (OLED).
Advantages of the LG B4 (OLED)
  • Very good for bright room
  • Excellent for dark room
  • Excellent for gaming
  • Excellent for movies & TV
  • Very good for sports
  • Excellent for news, talk, & other TV
  • Very good for cartoons & animation
  • Excellent for use as monitor
  • Very good for upscaling
  • Very good motion processing
  • Best in class viewing angle
  • Best in class reflections

Key differences

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Picture Quality

5.1
42F201NA23
OLED48B4
9.0
4.16/10
CONTRAST
10/10
6.1/10
COLOR VOLUME SCORE
8.1/10
LED
PANEL TYPE
WOLED
IPS
PANEL SUB-TYPE
WBC
The LG B4 (OLED) has excellent picture quality, while the Insignia F20 (LCD) has poor picture quality.

Movies & TV

5.1
42F201NA23
OLED48B4
9.2
4.16/10
CONTRAST
10/10
5.2/10
BLACK UNIFORMITY
10.0/10
5.5/10
UPSCALING
8.0/10
No
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
No
No
DOLBY VISION SUPPORT
Yes
The LG B4 (OLED) is excellent for movies & TV, while the Insignia F20 (LCD) is poor.

Sports

6.0
42F201NA23
OLED48B4
8.5
2.5/10
MOTION PROCESSING
8.0/10
60Hz
REFRESH RATE
120Hz
5.7/10
INPUT LAG SCORE
10.0/10
5.5/10
UPSCALING
8.0/10
5.3/10
SDR BRIGHTNESS SCORE
8.0/10
No
HLG SUPPORT
Yes
The LG B4 (OLED) is very good for sports, while the Insignia F20 (LCD) is only fair.

Gaming

5.4
42F201NA23
OLED48B4
9.0
5.7/10
RESPONSE TIME SCORE
10.0/10
5.7/10
INPUT LAG SCORE
10.0/10
2.5/10
MOTION PROCESSING
8.0/10
0.0/100
GAMING LOCAL DIMMING
100.0/100
2.5/10
GAME HDR BRIGHTNESS SCORE
8.0/10
The LG B4 (OLED) is excellent for gaming, while the Insignia F20 (LCD) is poor.

Cartoons & Animation

5.7
42F201NA23
OLED48B4
8.8
5.5/10
COLOR GAMUT SCORE
8.3/10
6.1/10
COLOR VOLUME SCORE
8.1/10
5.3/10
SDR BRIGHTNESS SCORE
8.0/10
7.9/10
COLORS OUT OF THE BOX SCORE
7.9/10
6.8/10
GRAY UNIFORMITY
10.0/10
The LG B4 (OLED) is very good for cartoons & animation, while the Insignia F20 (LCD) is poor.

News, Talk, & Other TV

5.3
42F201NA23
OLED48B4
9.0
5.3/10
SDR BRIGHTNESS SCORE
8.0/10
5.5/10
UPSCALING
8.0/10
The LG B4 (OLED) is excellent for news, talk, & other TV, while the Insignia F20 (LCD) is poor.

Bright Room

4.5
42F201NA23
OLED48B4
8.3
7.1/10
VIEWING ANGLE
9.5/10
5.3/10
SDR BRIGHTNESS SCORE
8.0/10
2.5/10
HDR BRIGHTNESS SCORE
8.0/10
5.9/10
REFLECTIONS SCORE
10.0/10
The LG B4 (OLED) is very good for bright room, while the Insignia F20 (LCD) is poor.

Cost

$200
42F201NA23
OLED48B4
$1,300
Product image
Product image

$0

$500

$1,000

$1,500

$2,000

The Insignia F20 (LCD) has a price of $200 and the LG B4 (OLED) costs $1,300.
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How the Insignia F20 (LCD) and the LG B4 (OLED) compare to other TVs

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Spec Comparison

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Insignia F20 (LCD)LG B4 (OLED)
Insignia F20 (LCD)LG B4 (OLED)

GENERAL

Price
$200
$1,300
Brand
InsigniaLG
Release Date
October 3, 2023March 1, 2024
Full name
42F201NA23OLED48B4
Screen Size
42"48"
Screen Resolution
1080P4K

TV FEATURES

Operating System
Fire OSWebOS
Sound Quality Score
5.5/108/10
NextGen Ready
NoNo
HDMI Ports
34
Coax Ports
11

DISPLAY QUALITY SCORES

Picture Quality Score
5.2/109/10
Bright Room Score
4.6/108.3/10
Gaming Score
5.4/109/10
Movies & TV Score
5.2/109.2/10
Sports Score
6/108.5/10

PHYSICAL

Dimensions w/o Stand (H x W x D)
21.1" x 37.4" x 3.2"24.3" x 42.2" x 1.8"
Dimensions with Stand (H x W)
23.5" x 37.4"26.6" x 42.2"
Weight without Stand
13 lbs32.8 lbs
VESA Mount
200 x 100300 x 200

DISPLAY

Color Depth
8 bit10 bit
Black Frame Insertion
NoYes
Auto Low Latency Mode
NoYes
Contrast
4.2/1010/10
Local Dimming
2.8/1010/10

SOUND

Speaker Setup
2.02.0
Speaker Power
10 W20 W
Dolby Atmos
NoYes
DTS:X
NoYes

Get a great deal on the Insignia F20 (LCD) or the LG B4 (OLED)

About Insignia

Insignia is an in-house brand from BestBuy. It offers a range of TV sets that are lower-end and smaller size. They are manufactured in China by Hisense, which is another TV brand. Insignia TVs use Amazon's Fire OS as the smart TV software, providing users with a highly user-friendly experience.

About LG

LG, a prominent TV brand from Korea, has played a significant role in popularizing OLED TVs. OLED technology is hailed as the future of TV technology. Their TVs employ WebOS, a proprietary smart TV software that not only offers seamless functionality but also includes gaming-specific features, earning praise from players worldwide. Often regarded as the gateway to unparalleled viewing experiences, LG's mid-range OLEDs come highly recommended, making them a worthwhile investment for those willing to stretch their budget for superior quality.

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This information was produced and vetted by the PerfectRec TVs team. We are a product research and recommendation organization that meticulously reviews and evaluates the latest TV information and makes it digestible for you.

By the numbers

385
TVs evaluated
33,110
TVs stats compiled
21
Proprietary TVs ratings developed
122,130
Recommendations made
18,320
Consumer hours saved

About the TV team

Joe Golden, Ph.D

CEO and TVs Editor
Joe is an entrepreneur and lifelong electronics enthusiast with a Ph.D in Economics from the University of Michigan.

Jason Lew

Staff Expert & Software Engineer
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Chandradeep Chowdhury

Staff Expert & Software Engineer
Chandradeep is a staff expert and software engineer and expert in televisions and monitors. He’s been making monitor recommendations for ten years.

Jaime Roldán

TVs Expert
Jaime is a Colombia-based TV expert. He is an electronics engineer with 8 years of experience in the telecom sector and has been making TV recommendations for 12 years.

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