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40S355
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65QM850G
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What we think

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

If you're on a budget, the TCL S355 is less expensive and will serve basic needs for watching movies, sports, and general TV programming. However, it performs poorly in dark and bright rooms, and isn't suited for high-quality gaming. On the other hand, the TCL QM8 is pricier but offers a significant improvement in overall picture quality, especially for movie enthusiasts and gamers. It has superior performance in dark conditions and handles bright rooms well. Additionally, it supports advanced features for better gaming and higher quality sound, making it a good fit for a diverse media experience in various lighting conditions. For a comprehensive experience accommodating high-quality streaming, gaming, and all types of content, especially in both bright and dark rooms, the TCL QM8 is the better option, provided that cost isn't a major concern. 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 TCL S355 (LCD)
  • Good for upscaling
Advantages of the TCL QM8 (LCD)
  • Best in class for bright room
  • Very good for dark room
  • Very good for gaming
  • Very good for movies & TV
  • Very good for cartoons & animation
  • Good for use as monitor
  • Very good reflections

Key differences

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Picture Quality

5.3
40S355
65QM850G
8.5
6.43/10
CONTRAST
8.00/10
5.8/10
COLOR VOLUME SCORE
9.2/10
LED
PANEL TYPE
miniLED FALD
VA
PANEL SUB-TYPE
VA
The TCL QM8 (LCD) has very good picture quality, while the TCL S355 (LCD) has poor picture quality.

Movies & TV

5.2
40S355
65QM850G
8.3
6.43/10
CONTRAST
8.00/10
5.1/10
BLACK UNIFORMITY
8.5/10
7.0/10
UPSCALING
4.8/10
No
HDR10 SUPPORT
Yes
No
HDR10+ SUPPORT
Yes
No
DOLBY VISION SUPPORT
Yes
The TCL QM8 (LCD) is very good for movies & TV, while the TCL S355 (LCD) is poor.

Gaming

5.5
40S355
65QM850G
8.3
6.2/10
RESPONSE TIME SCORE
8.1/10
5.6/10
INPUT LAG SCORE
7.6/10
3.9/10
MOTION PROCESSING
4.6/10
0.0/100
GAMING LOCAL DIMMING
90.0/100
2.5/10
GAME HDR BRIGHTNESS SCORE
9.3/10
The TCL QM8 (LCD) is very good for gaming, while the TCL S355 (LCD) is poor.

Cartoons & Animation

5.3
40S355
65QM850G
8.9
5.4/10
COLOR GAMUT SCORE
8.1/10
5.8/10
COLOR VOLUME SCORE
9.2/10
5.0/10
SDR BRIGHTNESS SCORE
10.0/10
4.7/10
COLORS OUT OF THE BOX SCORE
7.6/10
5.5/10
GRAY UNIFORMITY
7.5/10
The TCL QM8 (LCD) is very good for cartoons & animation, while the TCL S355 (LCD) is poor.

News, Talk, & Other TV

5.6
40S355
65QM850G
6.8
5.0/10
SDR BRIGHTNESS SCORE
10.0/10
7.0/10
UPSCALING
4.8/10
The TCL QM8 (LCD) is only fair for news, talk, & other TV, while the TCL S355 (LCD) is poor.

Bright Room

4.7
40S355
65QM850G
9.9
6.0/10
VIEWING ANGLE
5.3/10
5.0/10
SDR BRIGHTNESS SCORE
10.0/10
2.5/10
HDR BRIGHTNESS SCORE
9.3/10
6.3/10
REFLECTIONS SCORE
8.9/10
The TCL QM8 (LCD) is best in class for bright room, while the TCL S355 (LCD) is poor.

Cost

$168
40S355
65QM850G
$1,498
Product image
Product image

$0

$500

$1,000

$1,500

$2,000

$2,500

The TCL S355 (LCD) has a price of $168 and the TCL QM8 (LCD) costs $1,498.
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Key similarities

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Sports

6.1
40S355
65QM850G
6.5
3.9/10
MOTION PROCESSING
4.6/10
60Hz
REFRESH RATE
120Hz
5.6/10
INPUT LAG SCORE
7.6/10
7.0/10
UPSCALING
4.8/10
5.0/10
SDR BRIGHTNESS SCORE
10.0/10
No
HLG SUPPORT
Yes
The TCL QM8 (LCD) and TCL S355 (LCD) are both only fair for sports.

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We’re constantly working to improve.

How the TCL S355 (LCD) and the TCL QM8 (LCD) compare to other TVs

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Spec Comparison

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TCL S355 (LCD)TCL QM8 (LCD)
TCL S355 (LCD)TCL QM8 (LCD)

GENERAL

Price
$168
$1,498
Brand
TCLTCL
Release Date
August 2, 2022May 1, 2023
Full name
40S35565QM850G
Screen Size
40"65"
Screen Resolution
1080P4K

TV FEATURES

Operating System
Roku TVGoogle TV
Sound Quality Score
5.9/107/10
NextGen Ready
NoNo
HDMI Ports
34
Coax Ports
11

DISPLAY QUALITY SCORES

Picture Quality Score
5.3/108.6/10
Bright Room Score
4.7/109.9/10
Gaming Score
5.5/108.4/10
Movies & TV Score
5.2/108.3/10
Sports Score
6.1/106.6/10

PHYSICAL

Dimensions w/o Stand (H x W x D)
20.4" x 35.6" x 2.9"32.6" x 56.9" x 1.7"
Dimensions with Stand (H x W)
22.7" x 35.6"34.1" x 56.9"
Weight without Stand
13.2 lbs50.1 lbs
VESA Mount
100 x 100300 x 400

DISPLAY

Color Depth
8 bit10 bit
Black Frame Insertion
NoYes
Auto Low Latency Mode
NoYes
Contrast
6.4/108/10
Local Dimming
2.5/108/10

SOUND

Speaker Setup
2.02.1
Speaker Power
16 W40 W
Dolby Atmos
NoYes
DTS:X
NoYes, Bypass only

Get a great deal on the TCL S355 (LCD) or the TCL QM8 (LCD)

About TCL

TCL, the highly recognizable TV brand from China, has firmly established itself as the second-largest manufacturer in terms of sales volume. Renowned for striking an impressive balance between affordability, picture quality, and design, TCL TVs deliver a compelling overall package. While they have traditionally excelled in the low-end and midrange TV segments, TCL has recently made remarkable strides in the realm of high-end televisions, introducing impressive models that rival top competitors. Most TCL TVs use Roku software which is very user friendly and easy to use, but they have a few other models that use Google TV which has the largest app selection, but is not as user friendly as Roku.

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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
121,530
Recommendations made
18,230
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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