A comparison of specs, key information, reviews, and best pricing from top retailers
Last updated -- hours ago | Report incorrect information
Company ProductName Specs
Company ProductName Specs
What we think
The PerfectRec TV team Learn more
Updated January 10, 2024·
The Samsung QN90C is generally better for bright rooms and has higher picture quality, which makes it a good choice if you watch a lot of content in well-lit spaces. On the other hand, the TCL R648, while also a premium TV, is a bit older and may cost more. The TCL offers an 8k resolution compared to the Samsung's 4k, which could be a significant factor if you're looking for the highest resolution available and plan to watch 8k content. Both are suitable choices with great gaming performance, but each excels in different areas – the Samsung in bright room performance and picture quality, the TCL in maximum resolution. 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 Samsung QN90C (LCD)
- Best in class for bright room
- Very good for movies & TV
- Good for sports
- Very good for news, talk, & other TV
- Very good for use as monitor
- Very good for upscaling
- Very good motion processing
- Excellent reflections
Advantages of the TCL R648 (LCD)
- The TCL R648 (LCD) has no clear advantages over the Samsung QN90C (LCD).
Key differences
News, Talk, & Other TV
8.8
7.5
10.0/10
SDR BRIGHTNESS SCORE
9.0/10
8.0/10
UPSCALING
5.9/10
The Samsung QN90C (LCD) is very good for news, talk, & other TV, while the TCL R648 (LCD) is good.
The Samsung QN90C excels in upscaling and SDR brightness, which are very important for watching news and other TV programs in different resolutions and lighting conditions, while also offering very good colors out of the box and a wide color gamut which enhance the overall viewing experience. The TCL R648, while good in these areas, has slightly lower performance in local dimming and contrast, aspects that contribute to picture quality but might be less apparent during casual viewing of news and talk shows.
Bright Room
9.7
8.1
6.5/10
VIEWING ANGLE
5.2/10
10.0/10
SDR BRIGHTNESS SCORE
9.0/10
8.8/10
HDR BRIGHTNESS SCORE
7.9/10
9.0/10
REFLECTIONS SCORE
8.0/10
The Samsung QN90C (LCD) is best in class for bright room, while the TCL R648 (LCD) is very good.
The Samsung QN90C excels in both SDR and HDR brightness and provides excellent handling of reflections, making it ideal for brightly lit rooms. On the other hand, while the TCL R648 does very well in reflection handling and offers very good SDR brightness, its HDR brightness does not match the Samsung's, which may affect viewing experience in very bright environments.
Cost
$3,300
$2,500
$1,000
$2,000
$3,000
$4,000
$5,000
The Samsung QN90C (LCD) has a price of $3,300 and the TCL R648 (LCD) costs $2,500.
Let Us Help Find Your Perfect TV
Find your new TV
Key similarities
Picture Quality
8.1
7.7
7.38/10
CONTRAST
7.00/10
9.1/10
COLOR VOLUME SCORE
7.6/10
miniLED FALD
PANEL TYPE
miniLED FALD
ADS / IPS
PANEL SUB-TYPE
VA
Although they have very similar scores, PerfectRec considers Samsung QN90C (LCD) to have very good picture quality, while the TCL R648 (LCD) has good picture quality.
Movies & TV
8.0
7.6
7.38/10
CONTRAST
7.00/10
6.8/10
BLACK UNIFORMITY
6.5/10
8.0/10
UPSCALING
5.9/10
Yes
HDR10 SUPPORT
Yes
Yes
HDR10+ SUPPORT
No
No
DOLBY VISION SUPPORT
Yes
Although they have very similar scores, PerfectRec considers Samsung QN90C (LCD) to be very good for movies & TV, while the TCL R648 (LCD) is good.
The Samsung QN90C excels in watching movies and cinematic TV owing to its superior contrast, local dimming, and black uniformity, which are very important factors for deep blacks and detailed shadows in dark scenes. The TCL R648, while good in this regard, offers slightly lesser performance in these same areas, and it also has narrower viewing angles which might limit the ideal viewing positions in a room.
Sports
7.0
6.5
8.0/10
MOTION PROCESSING
5.3/10
120Hz
REFRESH RATE
120Hz
10.0/10
INPUT LAG SCORE
7.6/10
8.0/10
UPSCALING
5.9/10
10.0/10
SDR BRIGHTNESS SCORE
9.0/10
Yes
HLG SUPPORT
Yes
Although they have very similar scores, PerfectRec considers Samsung QN90C (LCD) to be good for sports, while the TCL R648 (LCD) is only fair.
The Samsung QN90C excels in sports viewing due to better response time and more effective motion processing which keeps fast action clear, and its superior handling of reflections makes it suitable for bright rooms, compared to the TCL R648. While both have similar viewing angles and gray uniformity, the TCL R648's lower performance in these critical areas for sports content make the Samsung QN90C a better choice for sports enthusiasts.
Gaming
8.2
8.2
7.8/10
RESPONSE TIME SCORE
8.2/10
10.0/10
INPUT LAG SCORE
7.6/10
8.0/10
MOTION PROCESSING
5.3/10
75.0/100
GAMING LOCAL DIMMING
70.0/100
8.9/10
GAME HDR BRIGHTNESS SCORE
8.3/10
The Samsung QN90C (LCD) and TCL R648 (LCD) are both very good for gaming.
The Samsung QN90C and TCL R648 are both considered very good for gaming because they have high response times and low input lag, which are crucial for fast-paced gaming. Additionally, both TVs support a refresh rate of 120Hz, providing smooth motion for high-speed gaming action.
Cartoons & Animation
8.8
8.6
7.5/10
COLOR GAMUT SCORE
7.8/10
9.1/10
COLOR VOLUME SCORE
7.6/10
10.0/10
SDR BRIGHTNESS SCORE
9.0/10
8.1/10
COLORS OUT OF THE BOX SCORE
9.0/10
7.7/10
GRAY UNIFORMITY
7.0/10
The Samsung QN90C (LCD) and TCL R648 (LCD) are both very good for cartoons & animation.
The Samsung QN90C displays cartoons & animation impressively due to its 'very good' accuracy of colors right out of the box and 'good' color gamut, which ensures vibrant and diverse colors. Similarly, the TCL R648 excels with cartoons & animation, having 'excellent' color accuracy out of the box and a 'good' color gamut, allowing for a wide range of shades and vivid imagery.
Give feedback
We’re constantly working to improve.
How the Samsung QN90C (LCD) and the TCL R648 (LCD) compare to other TVs
Spec Comparison
 |  | |
| Samsung QN90C (LCD) | TCL R648 (LCD) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$3,300 | $2,500 | ||
Brand | |||
Brand | Samsung | TCL | |
Release Date | |||
Release Date | March 3, 2023 | May 2, 2021 | |
Full name | |||
Full name | QN75QN90C | 75R648 | |
Screen Size | |||
Screen Size | 75" | 75" | |
Screen Resolution | |||
Screen Resolution | 4K | 8K | |
TV FEATURES | |||
|---|---|---|---|
Operating System | |||
Operating System | Tizen | Roku TV | |
Sound Quality Score | |||
Sound Quality Score | 8.3/10 | 8/10 | |
NextGen Ready | |||
NextGen Ready | Yes | No | |
HDMI Ports | |||
HDMI Ports | 4 | 4 | |
Coax Ports | |||
Coax Ports | 1 | 1 | |
DISPLAY QUALITY SCORES | |||
|---|---|---|---|
Picture Quality Score | |||
Picture Quality Score | 8.1/10 | 7.8/10 | |
Bright Room Score | |||
Bright Room Score | 9.7/10 | 8.2/10 | |
Gaming Score | |||
Gaming Score | 8.3/10 | 8.3/10 | |
Movies & TV Score | |||
Movies & TV Score | 8.1/10 | 7.7/10 | |
Sports Score | |||
Sports Score | 7/10 | 6.6/10 | |
PHYSICAL | |||
|---|---|---|---|
Dimensions w/o Stand (H x W x D) | |||
Dimensions w/o Stand (H x W x D) | 67.7" x 65.7" x 1.1" | 37.6" x 65.9" x 3" | |
Dimensions with Stand (H x W) | |||
Dimensions with Stand (H x W) | 40" x 65.7" | 40.1" x 65.9" | |
Weight without Stand | |||
Weight without Stand | 75.2 lbs | 89.3 lbs | |
VESA Mount | |||
VESA Mount | 400 x 400 | 400 x 400 | |
DISPLAY | |||
|---|---|---|---|
Color Depth | |||
Color Depth | 10 bit | 10 bit | |
Black Frame Insertion | |||
Black Frame Insertion | Yes | Yes | |
Auto Low Latency Mode | |||
Auto Low Latency Mode | Yes | Yes | |
Contrast | |||
Contrast | 7.4/10 | 7/10 | |
Local Dimming | |||
Local Dimming | 7/10 | 6.5/10 | |
SOUND | |||
|---|---|---|---|
Speaker Setup | |||
Speaker Setup | 4.2.2 | 2.1 | |
Speaker Power | |||
Speaker Power | 60 W | 50 W | |
Dolby Atmos | |||
Dolby Atmos | Yes | Yes | |
DTS:X | |||
DTS:X | No | Yes, Bypass only | |
Get a great deal on the Samsung QN90C (LCD) or the TCL R648 (LCD)
About Samsung
Samsung, a South Korean electronics manufacturer, holds the title of being the largest global TV vendor in terms of units sold. They offer a diverse lineup of TV products that cater to various budget ranges. A notable achievement in recent years is the development of Quantum Dots, a technology that enhances color reproduction, resulting in richer and more vibrant hues. Samsung TVs are well-regarded for their high manufacturing quality and user-friendly software, making them an excellent choice for consumers seeking an intuitive viewing experience.
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.
Give feedback
We're constantly perfecting our model
TV guides you might be interested in
More comparisons for you
FAQs
FAQs about TVs
Why trust us
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
129,330
Recommendations made
19,400
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.
Featured in
