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4K55N400A
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55UQ7570
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What we think

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The PerfectRec TV team Learn more
Updated April 10, 2024·

If you prioritize gaming performance and sound quality, the LG UQ7570 (LCD) has the best input lag and slightly better speaker power. However, for watching content in bright rooms, the Amazon 4-Series (LCD) offers a fair reflections score, giving it an edge over the LG. Both TVs have limitations in overall picture quality and may not be the best for viewing in dark environments. The Amazon TV supports High Dynamic Range Gaming Interest Group (HGiG), which is relevant if you're interested in gaming, whereas the LG offers voice commands for accessibility. Neither TV excels in motion processing or color performance, so they're not ideal for very critical viewing, but for basic needs like news and casual TV watching, they should suffice. If being up to date matters, the LG is a newer model. Finally, with the LG, you'll need to manage with fewer HDMI ports compared to the Amazon. Give Feedback

this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the Amazon 4-Series (LCD)
  • The Amazon 4-Series (LCD) has no clear advantages over the LG UQ7570 (LCD).
Advantages of the LG UQ7570 (LCD)
  • Very good motion processing
  • Good viewing angle

Key differences

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Picture Quality

5.7
4K55N400A
55UQ7570
5.1
7.13/10
CONTRAST
3.307692308/10
6.2/10
COLOR VOLUME SCORE
5.7/10
LED
PANEL TYPE
LED
VA
PANEL SUB-TYPE
IPS
The Amazon 4-Series (LCD) and LG UQ7570 (LCD) both have poor picture quality, though the Amazon 4-Series (LCD) has somewhat better picture quality.

Movies & TV

5.2
4K55N400A
55UQ7570
4.7
7.13/10
CONTRAST
3.307692308/10
5.9/10
BLACK UNIFORMITY
4.8/10
6.6/10
UPSCALING
6.3/10
Yes
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
No
No
DOLBY VISION SUPPORT
No
The Amazon 4-Series (LCD) and LG UQ7570 (LCD) are both poor for movies & TV, though the Amazon 4-Series (LCD) is somewhat better.

Sports

5.7
4K55N400A
55UQ7570
6.5
2.5/10
MOTION PROCESSING
8.2/10
60Hz
REFRESH RATE
60Hz
8.0/10
INPUT LAG SCORE
10.0/10
6.6/10
UPSCALING
6.3/10
6.8/10
SDR BRIGHTNESS SCORE
5.3/10
Yes
HLG SUPPORT
Yes
The LG UQ7570 (LCD) is only fair for sports, while the Amazon 4-Series (LCD) is poor.

Bright Room

6.1
4K55N400A
55UQ7570
5.3
5.2/10
VIEWING ANGLE
7.6/10
6.8/10
SDR BRIGHTNESS SCORE
5.3/10
5.6/10
HDR BRIGHTNESS SCORE
5.5/10
6.3/10
REFLECTIONS SCORE
6.0/10
The Amazon 4-Series (LCD) is only fair for bright room, while the LG UQ7570 (LCD) is poor.

Cost

$330
4K55N400A
55UQ7570
$600
Product image
Product image

$0

$200

$400

$600

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$1,000

The Amazon 4-Series (LCD) has a price of $330 and the LG UQ7570 (LCD) costs $600.
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Key similarities

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Gaming

5.5
4K55N400A
55UQ7570
5.4
5.6/10
RESPONSE TIME SCORE
5.0/10
8.0/10
INPUT LAG SCORE
10.0/10
2.5/10
MOTION PROCESSING
8.2/10
0.0/100
GAMING LOCAL DIMMING
0.0/100
5.7/10
GAME HDR BRIGHTNESS SCORE
5.8/10
The Amazon 4-Series (LCD) and LG UQ7570 (LCD) are both poor for gaming.

Cartoons & Animation

5.4
4K55N400A
55UQ7570
5.5
5.9/10
COLOR GAMUT SCORE
5.9/10
6.2/10
COLOR VOLUME SCORE
5.7/10
6.8/10
SDR BRIGHTNESS SCORE
5.3/10
3.4/10
COLORS OUT OF THE BOX SCORE
7.8/10
5.9/10
GRAY UNIFORMITY
6.2/10
The LG UQ7570 (LCD) and Amazon 4-Series (LCD) are both poor for cartoons & animation.

News, Talk, & Other TV

5.7
4K55N400A
55UQ7570
5.4
6.8/10
SDR BRIGHTNESS SCORE
5.3/10
6.6/10
UPSCALING
6.3/10
The Amazon 4-Series (LCD) and LG UQ7570 (LCD) are both poor for news, talk, & other TV.

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How the Amazon 4-Series (LCD) and the LG UQ7570 (LCD) compare to other TVs

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Spec Comparison

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Amazon 4-Series (LCD)LG UQ7570 (LCD)
Amazon 4-Series (LCD)LG UQ7570 (LCD)

GENERAL

Price
$330
$600
Brand
AmazonLG
Release Date
August 3, 2021August 1, 2023
Full name
4K55N400A55UQ7570
Screen Size
55"55"
Screen Resolution
4K4K

TV FEATURES

Operating System
Fire OSWebOS
Sound Quality Score
6.1/105.7/10
NextGen Ready
NoNo
HDMI Ports
42
Coax Ports
11

DISPLAY QUALITY SCORES

Picture Quality Score
5.8/105.1/10
Bright Room Score
6.1/105.4/10
Gaming Score
5.6/105.4/10
Movies & TV Score
5.3/104.7/10
Sports Score
5.8/106.6/10

PHYSICAL

Dimensions w/o Stand (H x W x D)
28.3" x 57.2" x 3.5"28.1" x 48.5" x 2.9"
Dimensions with Stand (H x W)
29.8" x 57.2"30.4" x 48.5"
Weight without Stand
42.5 lbs23.6 lbs
VESA Mount
300 x 300200 x 200

DISPLAY

Color Depth
10 bit10 bit
Black Frame Insertion
NoNo
Auto Low Latency Mode
YesYes
Contrast
7.1/103.3/10
Local Dimming
2.5/102.5/10

SOUND

Speaker Setup
2.02.0
Speaker Power
16 W20 W
Dolby Atmos
Bypass onlyBypass only
DTS:X
NoNo

Shopping

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Amazon 4-Series (LCD)

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Dig into reviews and images

Tech Advisor

Jim Martin | May 2023
"The attraction here is that the 4-Series uses Amazon’s Fire TV interface. Picture quality is good but unexceptional. At the discounted prices, which can seemingly be had regularly, they are better value."

Get a great deal on the Amazon 4-Series (LCD) or the LG UQ7570 (LCD)

About Amazon

Amazon, the largest online retailer in North America, has forged partnerships with TCL and Hisense to produce white-label TVs incorporating their Fire OS software. These Amazon-branded TVs typically compete in the low-end and mid-range segments, offering compelling price points. Leveraging their strong reputation, Amazon has swiftly built brand trust in the TV market despite being relatively new to it. To enhance their popularity, these TVs integrate features from the Amazon ecosystem, including Alexa, providing users with a seamless and interconnected TV 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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Why trust us

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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
130,530
Recommendations made
19,580
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
Jason is a staff expert and software engineer that has been making laptop recommendations for 7 years and moderates one of the largest laptop subreddits.

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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