A comparison of specs, key information, reviews, and best pricing from top retailers
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What we think
The PerfectRec TV team Learn more
Updated April 10, 2024·
If cost is a decisive factor for you, the Amazon 4-Series is the more affordable option; however, it generally provides poor performance across most viewing content, and it won't serve well in bright rooms, but it is fair. If you place a higher value on the quality of various content types and a better experience in a bright room setting, you may prefer the LG UR9000 even though it will be more costly — it has good gray uniformity and very good motion processing. Neither model is particularly strong for gaming or watching movies in dark environments. The LG offers voice command capabilities for accessibility, and overall it has very good quality control and assurance, which could translate into better reliability. If you're also using the TV as a monitor, the LG UR9000 supports a 4k resolution at 60Hz with 4:4:4 chroma subsampling, making it a better choice for clearer text. Keep in mind both models have only a fair sound quality, so you might consider external speakers for improved audio. 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 UR9000 (LCD).
Advantages of the LG UR9000 (LCD)
- Very good motion processing
- Good viewing angle
Key differences
Sports
5.7
6.8
2.5/10
MOTION PROCESSING
8.0/10
60Hz
REFRESH RATE
60Hz
8.0/10
INPUT LAG SCORE
10.0/10
6.6/10
UPSCALING
5.7/10
6.8/10
SDR BRIGHTNESS SCORE
6.6/10
Yes
HLG SUPPORT
Yes
The LG UR9000 (LCD) is only fair for sports, while the Amazon 4-Series (LCD) is poor.
Cost
$330
$477
$100
$200
$300
$400
$500
$600
$700
The Amazon 4-Series (LCD) has a price of $330 and the LG UR9000 (LCD) costs $477.
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Key similarities
Picture Quality
5.7
5.4
7.13/10
CONTRAST
3.31/10
6.2/10
COLOR VOLUME SCORE
6.0/10
LED
PANEL TYPE
LED
VA
PANEL SUB-TYPE
IPS
The Amazon 4-Series (LCD) and LG UR9000 (LCD) both have poor picture quality.
Movies & TV
5.2
5.1
7.13/10
CONTRAST
3.31/10
5.9/10
BLACK UNIFORMITY
5.3/10
6.6/10
UPSCALING
5.7/10
Yes
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
No
No
DOLBY VISION SUPPORT
No
The Amazon 4-Series (LCD) and LG UR9000 (LCD) are both poor for movies & TV.
Gaming
5.5
5.7
5.6/10
RESPONSE TIME SCORE
6.0/10
8.0/10
INPUT LAG SCORE
10.0/10
2.5/10
MOTION PROCESSING
8.0/10
0.0/100
GAMING LOCAL DIMMING
15.0/100
5.7/10
GAME HDR BRIGHTNESS SCORE
6.3/10
The LG UR9000 (LCD) and Amazon 4-Series (LCD) are both poor for gaming.
Cartoons & Animation
5.4
5.8
5.9/10
COLOR GAMUT SCORE
5.8/10
6.2/10
COLOR VOLUME SCORE
6.0/10
6.8/10
SDR BRIGHTNESS SCORE
6.6/10
3.4/10
COLORS OUT OF THE BOX SCORE
8.5/10
5.9/10
GRAY UNIFORMITY
7.7/10
The LG UR9000 (LCD) and Amazon 4-Series (LCD) are both poor for cartoons & animation.
News, Talk, & Other TV
5.7
5.5
6.8/10
SDR BRIGHTNESS SCORE
6.6/10
6.6/10
UPSCALING
5.7/10
The Amazon 4-Series (LCD) and LG UR9000 (LCD) are both poor for news, talk, & other TV.
Bright Room
6.1
5.8
5.2/10
VIEWING ANGLE
7.4/10
6.8/10
SDR BRIGHTNESS SCORE
6.6/10
5.6/10
HDR BRIGHTNESS SCORE
6.2/10
6.3/10
REFLECTIONS SCORE
6.6/10
Although they have very similar scores, PerfectRec considers Amazon 4-Series (LCD) to be only fair for bright room, while the LG UR9000 (LCD) is poor.
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How the Amazon 4-Series (LCD) and the LG UR9000 (LCD) compare to other TVs
Spec Comparison
 |  | |
| Amazon 4-Series (LCD) | LG UR9000 (LCD) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$330 | $477 | ||
Brand | |||
Brand | Amazon | LG | |
Release Date | |||
Release Date | August 3, 2021 | March 3, 2023 | |
Full name | |||
Full name | 4K55N400A | 55UR9000 | |
Screen Size | |||
Screen Size | 55" | 55" | |
Screen Resolution | |||
Screen Resolution | 4K | 4K | |
TV FEATURES | |||
|---|---|---|---|
Operating System | |||
Operating System | Fire OS | WebOS | |
Sound Quality Score | |||
Sound Quality Score | 6.1/10 | 5.4/10 | |
NextGen Ready | |||
NextGen Ready | No | No | |
HDMI Ports | |||
HDMI Ports | 4 | 3 | |
Coax Ports | |||
Coax Ports | 1 | 1 | |
DISPLAY QUALITY SCORES | |||
|---|---|---|---|
Picture Quality Score | |||
Picture Quality Score | 5.8/10 | 5.5/10 | |
Bright Room Score | |||
Bright Room Score | 6.1/10 | 5.9/10 | |
Gaming Score | |||
Gaming Score | 5.6/10 | 5.8/10 | |
Movies & TV Score | |||
Movies & TV Score | 5.3/10 | 5.1/10 | |
Sports Score | |||
Sports Score | 5.8/10 | 6.8/10 | |
PHYSICAL | |||
|---|---|---|---|
Dimensions w/o Stand (H x W x D) | |||
Dimensions w/o Stand (H x W x D) | 28.3" x 57.2" x 3.5" | 28.2" x 48.7" x 1.2" | |
Dimensions with Stand (H x W) | |||
Dimensions with Stand (H x W) | 29.8" x 57.2" | 30.8" x 48.7" | |
Weight without Stand | |||
Weight without Stand | 42.5 lbs | 33.1 lbs | |
VESA Mount | |||
VESA Mount | 300 x 300 | 300 x 300 | |
DISPLAY | |||
|---|---|---|---|
Color Depth | |||
Color Depth | 10 bit | 10 bit | |
Black Frame Insertion | |||
Black Frame Insertion | No | No | |
Auto Low Latency Mode | |||
Auto Low Latency Mode | Yes | Yes | |
Contrast | |||
Contrast | 7.1/10 | 3.3/10 | |
Local Dimming | |||
Local Dimming | 2.5/10 | 3.3/10 | |
SOUND | |||
|---|---|---|---|
Speaker Setup | |||
Speaker Setup | 2.0 | 2.0 | |
Speaker Power | |||
Speaker Power | 16 W | 20 W | |
Dolby Atmos | |||
Dolby Atmos | Bypass only | Bypass only | |
DTS:X | |||
DTS:X | No | No | |
Shopping
Amazon 4-Series (LCD)
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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 UR9000 (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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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.
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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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