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What we think
The PerfectRec TV team Learn more
Updated January 10, 2024·
The TCL R646 offers better overall picture quality, enhanced gaming, and sports viewing experiences, and performs well in both dark and bright rooms. It also provides more advanced features like local dimming, higher brightness, and a wider color range. It's a better choice if you prioritize gaming or want a TV that can handle various lighting conditions effectively. On the other hand, the TCL S450G is more budget-friendly and still performs moderately well, especially considering its price point. It could suit you if you're looking for a cost-effective option for casual viewing, like watching news or animated content, and don't need the top gaming or bright room performance. 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 R646 (LCD)
- Very good for bright room
- Good for dark room
- Very good for gaming
- Good for movies & TV
- Good for news, talk, & other TV
- Very good for cartoons & animation
- Good for use as monitor
- Very good reflections
Advantages of the TCL S450G (LCD)
- The TCL S450G (LCD) has no clear advantages over the TCL R646 (LCD).
Key differences
Picture Quality
7.9
5.9
8.43/10
CONTRAST
5.64/10
7.6/10
COLOR VOLUME SCORE
6.2/10
miniLED FALD
PANEL TYPE
LED
VA
PANEL SUB-TYPE
VA
The TCL R646 (LCD) has good picture quality, while the TCL S450G (LCD) has poor picture quality.
Movies & TV
7.8
5.6
8.43/10
CONTRAST
5.64/10
6.8/10
BLACK UNIFORMITY
6.1/10
5.9/10
UPSCALING
6.0/10
Yes
HDR10 SUPPORT
Yes
Yes
HDR10+ SUPPORT
No
Yes
DOLBY VISION SUPPORT
Yes
The TCL R646 (LCD) is good for movies & TV, while the TCL S450G (LCD) is poor.
Gaming
8.2
5.6
8.0/10
RESPONSE TIME SCORE
5.7/10
7.6/10
INPUT LAG SCORE
10.0/10
5.3/10
MOTION PROCESSING
4.6/10
70.0/100
GAMING LOCAL DIMMING
18.0/100
8.7/10
GAME HDR BRIGHTNESS SCORE
5.7/10
The TCL R646 (LCD) is very good for gaming, while the TCL S450G (LCD) is poor.
Cartoons & Animation
8.4
5.8
7.6/10
COLOR GAMUT SCORE
5.9/10
7.6/10
COLOR VOLUME SCORE
6.2/10
9.1/10
SDR BRIGHTNESS SCORE
5.5/10
7.2/10
COLORS OUT OF THE BOX SCORE
6.2/10
8.0/10
GRAY UNIFORMITY
6.6/10
The TCL R646 (LCD) is very good for cartoons & animation, while the TCL S450G (LCD) is poor.
The TCL R646 is very good for watching cartoons & animation because it offers good performance when it comes to colors out of the box and color gamut, which are very important for vibrant and varied colors in animated content. In contrast, the TCL S450G is considered poor for the same content due to its fair colors out of the box and poor color gamut, which leads to less impressive visuals for colorful and animated scenes.
News, Talk, & Other TV
7.5
5.6
9.1/10
SDR BRIGHTNESS SCORE
5.5/10
5.9/10
UPSCALING
6.0/10
The TCL R646 (LCD) is good for news, talk, & other TV, while the TCL S450G (LCD) is poor.
Bright Room
8.9
5.7
5.3/10
VIEWING ANGLE
5.0/10
9.1/10
SDR BRIGHTNESS SCORE
5.5/10
8.3/10
HDR BRIGHTNESS SCORE
5.5/10
8.1/10
REFLECTIONS SCORE
6.6/10
The TCL R646 (LCD) is very good for bright room, while the TCL S450G (LCD) is poor.
The TCL R646 performs well in bright rooms due to its excellent SDR and HDR brightness and very good handling of reflections, whereas the TCL S450G struggles in the same environment because of its poor SDR and HDR brightness and fair performance with reflections.
Cost
$800
$348
$0
$200
$400
$600
$800
$1,000
$1,200
The TCL R646 (LCD) has a price of $800 and the TCL S450G (LCD) costs $348.
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Key similarities
Sports
6.6
6.1
5.3/10
MOTION PROCESSING
4.6/10
120Hz
REFRESH RATE
60Hz
7.6/10
INPUT LAG SCORE
10.0/10
5.9/10
UPSCALING
6.0/10
9.1/10
SDR BRIGHTNESS SCORE
5.5/10
Yes
HLG SUPPORT
Yes
The TCL R646 (LCD) and TCL S450G (LCD) are both only fair for sports.
The TCL R646 has better response time and motion processing compared to the TCL S450G, which means it handles fast-moving scenes and action-packed sports with less blur, making it a better choice for sports enthusiasts. However, both TVs have similar challenges with viewing angles and reflections; thus, neither is ideal for rooms with wide seating arrangements or lots of light.
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How the TCL R646 (LCD) and the TCL S450G (LCD) compare to other TVs
Spec Comparison
 |  | |
| TCL R646 (LCD) | TCL S450G (LCD) |
GENERAL | |||
|---|---|---|---|
| Price | |||
$800 | $348 | ||
Brand | |||
Brand | TCL | TCL | |
Release Date | |||
Release Date | August 2, 2021 | July 1, 2023 | |
Full name | |||
Full name | 65R646 | 65S450G | |
Screen Size | |||
Screen Size | 65" | 65" | |
Screen Resolution | |||
Screen Resolution | 4K | 4K | |
TV FEATURES | |||
|---|---|---|---|
Operating System | |||
Operating System | Android TV | Google TV | |
Sound Quality Score | |||
Sound Quality Score | 10/10 | 6.3/10 | |
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 | 7.9/10 | 6/10 | |
Bright Room Score | |||
Bright Room Score | 9/10 | 5.8/10 | |
Gaming Score | |||
Gaming Score | 8.2/10 | 5.7/10 | |
Movies & TV Score | |||
Movies & TV Score | 7.8/10 | 5.7/10 | |
Sports Score | |||
Sports Score | 6.6/10 | 6.2/10 | |
PHYSICAL | |||
|---|---|---|---|
Dimensions w/o Stand (H x W x D) | |||
Dimensions w/o Stand (H x W x D) | 33.3" x 56.9" x 3.6" | 32.8" x 56.9" x 3.2" | |
Dimensions with Stand (H x W) | |||
Dimensions with Stand (H x W) | 35.7" x 56.9" | 34.6" x 56.9" | |
Weight without Stand | |||
Weight without Stand | 63.5 lbs | 30.9 lbs | |
VESA Mount | |||
VESA Mount | 300 x 300 | 200 x 200 | |
DISPLAY | |||
|---|---|---|---|
Color Depth | |||
Color Depth | 10 bit | 10 bit | |
Black Frame Insertion | |||
Black Frame Insertion | Yes | No | |
Auto Low Latency Mode | |||
Auto Low Latency Mode | Yes | Yes | |
Contrast | |||
Contrast | 8.4/10 | 5.6/10 | |
Local Dimming | |||
Local Dimming | 6.5/10 | 3.5/10 | |
SOUND | |||
|---|---|---|---|
Speaker Setup | |||
Speaker Setup | 2.0 | 2.0 | |
Speaker Power | |||
Speaker Power | 30 W | 20 W | |
Dolby Atmos | |||
Dolby Atmos | Yes | Yes | |
DTS:X | |||
DTS:X | Yes, Bypass only | Yes, Bypass only | |
Shopping
TCL S450G (LCD)
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Dig into reviews and images
9 to 5 Google
Ben Schoon | September 2023
"TCL, though, has built much of its success on affordable sets, and the 2023 TCL S Class S4 with Google TV is a testament to just how good of a TV you can get for an affordable price tag"
Get a great deal on the TCL R646 (LCD) or the TCL S450G (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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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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