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4K55N400A
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VQP65C
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What we think

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

If you're looking for a more budget-friendly option, the Amazon 4-Series is significantly less expensive and offers a reasonable performance for watching news, talk shows, and reality TV in bright rooms. However, it lacks in picture quality for movies in dark rooms and gaming experience is quite basic. On the other hand, the Vizio Quantum Pro, while costing more, provides a better overall viewing experience with higher performance for gaming, sports, movies, and series. It is also better suited for watching in both dark and bright rooms. In addition, it supports more advanced HDR formats which can enhance your viewing experience for compatible content. 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 Vizio Quantum Pro (LCD).
Advantages of the Vizio Quantum Pro (LCD)
  • Good for bright room
  • Very good for gaming
  • Good for cartoons & animation
  • Good for use as monitor
  • Good viewing angle
  • Very good reflections

Key differences

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Picture Quality

5.7
4K55N400A
VQP65C
7.2
7.13/10
CONTRAST
5.64/10
6.2/10
COLOR VOLUME SCORE
8.2/10
LED
PANEL TYPE
LED FALD
VA
PANEL SUB-TYPE
IPS
The Vizio Quantum Pro (LCD) has good picture quality, while the Amazon 4-Series (LCD) has poor picture quality.

Movies & TV

5.2
4K55N400A
VQP65C
6.6
7.13/10
CONTRAST
5.64/10
5.9/10
BLACK UNIFORMITY
5.4/10
6.6/10
UPSCALING
5.7/10
Yes
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
Yes
No
DOLBY VISION SUPPORT
Yes
The Vizio Quantum Pro (LCD) is only fair for movies & TV, while the Amazon 4-Series (LCD) is poor.

Sports

5.7
4K55N400A
VQP65C
6.4
2.5/10
MOTION PROCESSING
3.9/10
60Hz
REFRESH RATE
120Hz
8.0/10
INPUT LAG SCORE
7.6/10
6.6/10
UPSCALING
5.7/10
6.8/10
SDR BRIGHTNESS SCORE
8.9/10
Yes
HLG SUPPORT
Yes
The Vizio Quantum Pro (LCD) is only fair for sports, while the Amazon 4-Series (LCD) is poor.

Gaming

5.5
4K55N400A
VQP65C
8.1
5.6/10
RESPONSE TIME SCORE
8.0/10
8.0/10
INPUT LAG SCORE
7.6/10
2.5/10
MOTION PROCESSING
3.9/10
0.0/100
GAMING LOCAL DIMMING
70.0/100
5.7/10
GAME HDR BRIGHTNESS SCORE
7.5/10
The Vizio Quantum Pro (LCD) is very good for gaming, while the Amazon 4-Series (LCD) is poor.

Cartoons & Animation

5.4
4K55N400A
VQP65C
7.5
5.9/10
COLOR GAMUT SCORE
8.0/10
6.2/10
COLOR VOLUME SCORE
8.2/10
6.8/10
SDR BRIGHTNESS SCORE
8.9/10
3.4/10
COLORS OUT OF THE BOX SCORE
6.7/10
5.9/10
GRAY UNIFORMITY
5.9/10
The Vizio Quantum Pro (LCD) is good for cartoons & animation, while the Amazon 4-Series (LCD) is poor.

News, Talk, & Other TV

5.7
4K55N400A
VQP65C
6.6
6.8/10
SDR BRIGHTNESS SCORE
8.9/10
6.6/10
UPSCALING
5.7/10
The Vizio Quantum Pro (LCD) is only fair for news, talk, & other TV, while the Amazon 4-Series (LCD) is poor.

Bright Room

6.1
4K55N400A
VQP65C
7.7
5.2/10
VIEWING ANGLE
7.2/10
6.8/10
SDR BRIGHTNESS SCORE
8.9/10
5.6/10
HDR BRIGHTNESS SCORE
7.4/10
6.3/10
REFLECTIONS SCORE
8.4/10
The Vizio Quantum Pro (LCD) is good for bright room, while the Amazon 4-Series (LCD) is only fair.

Cost

$330
4K55N400A
VQP65C
$598
Product image
Product image

$0

$200

$400

$600

$800

$1,000

The Amazon 4-Series (LCD) has a price of $330 and the Vizio Quantum Pro (LCD) costs $598.
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How the Amazon 4-Series (LCD) and the Vizio Quantum Pro (LCD) compare to other TVs

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Spec Comparison

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Amazon 4-Series (LCD)Vizio Quantum Pro (LCD)
Amazon 4-Series (LCD)Vizio Quantum Pro (LCD)

GENERAL

Price
$330
$598
Brand
AmazonVizio
Release Date
August 3, 2021September 1, 2023
Full name
4K55N400AVQP65C
Screen Size
55"65"
Screen Resolution
4K4K

TV FEATURES

Operating System
Fire OSSmartCast
Sound Quality Score
6.1/106.4/10
NextGen Ready
NoNo
HDMI Ports
44
Coax Ports
11

DISPLAY QUALITY SCORES

Picture Quality Score
5.8/107.3/10
Bright Room Score
6.1/107.8/10
Gaming Score
5.6/108.2/10
Movies & TV Score
5.3/106.7/10
Sports Score
5.8/106.5/10

PHYSICAL

Dimensions w/o Stand (H x W x D)
28.3" x 57.2" x 3.5"32.7" x 56.9" x 2.9"
Dimensions with Stand (H x W)
29.8" x 57.2"35.5" x 56.9"
Weight without Stand
42.5 lbs39.68 lbs
VESA Mount
300 x 300400 x 300

DISPLAY

Color Depth
10 bit10 bit
Black Frame Insertion
NoYes
Auto Low Latency Mode
YesYes
Contrast
7.1/105.6/10
Local Dimming
2.5/106/10

SOUND

Speaker Setup
2.02.0
Speaker Power
16 W20 W
Dolby Atmos
Bypass onlyYes
DTS:X
NoYes

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 Vizio Quantum Pro (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 Vizio

Vizio is an American company. While they initially gained recognition for offering budget-friendly TVs, they have successfully expanded their product lineup to include high-end options as well. They manufacture TVs primarily in Mexico, China, and Vietnam. Similar to many Korean TV brands, Vizio developed its own smart TV software called SmartCast. In the past, SmartCast was not the best smart TV software, but it has evolved so that it is now good for using your TV and connecting to streaming services.

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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
121,830
Recommendations made
18,275
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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