$ Bottom line: Which one is better?
Bottom line: TLC S405 is better.
When we compare TLC Vs Insignia in this review, TLC S405 is better because it has a better reflection handling and has lower input lag and more responsive to actions.
TCL S Series/S404 4k 2018 Vs Insignia Fire TV Edition 4k: DESIGN
Stand; the two TVs have stands
Wall mount; the two TVs can be mounted on wall
Borders; TLC S404 has 0.39” (1.0cm) whereas Insignia Fire TV has 0.63” (1.6cm)
Max thickness; TLC S404 is 2.91” (7.4cm) whereas Insignia Fire TV is 3.27” (8.3cm)
Maximum temperature; TLC S404 has 99oF (37oC) whereas Insignia Fire TV has 106oF (41oC)
Average temperature; TLC S404 has 94oF (33oC) while Insignia Fire TV has 90oF (32oC)
Bottom line: Insignia Fire TV is better
TCL S Series/S404 4k 2018 Vs Insignia Fire TV Edition 4k: PICTURE QUALITY
Native contrast; TLC S404 has 4171:1 while Insignia Fire TV has 4660:1
Local dimming; the two TVs don’t have local dimming.
SDR real scene peak brightness
HDR real scene peak brightness; TLC S404 has 178cd/m2 while Insignia Fire TV has 288cd/m2
Gray uniformity; TLC S404 7.1 Insignia Fire TV has 7.0
50% std. Dev; TLC S404 has 3.112% while Insignia Fire TV has 3.511%
50% DSE; TLC S404 has 0.195% while Insignia Fire TV has 0.198%
Viewing angle; TLC S404 has 4.6 whereas Insignia Fire TV has 4.7
Black uniformity; TLC S404 has 7.7 while Insignia Fire TV has 6.9
Native std. Dev; TLC S404 has 0.9605 while Insignia Fire TV has 1.385%
Total reflections; TLC S404 has 5.2% while Insignia Fire TV has 6.75
Screen finish; the two TVs have semi-gloss
Pre-calibration; TLC S404 has 7.5 while Insignia Fire TV has 4.7
White balance dE; TLC S404 has 3.97 while Insignia Fire TV has 6.31
Color dE; TLC S404 has 2.22 while Insignia Fire TV has 4.98
Gamma; TLC S404 has 2.24 while Insignia Fire TV has 2.16
Picture mode; TLC S404 has movie, the same as Insignia Fire TV
Post calibration; TLC S404 has 9.8 while Insignia Fire TV has 7.2
White balance dE; TLC S404 has 0.29 whereas Insignia Fire TV has 2.77
Color dE; TLC S404 has 0.48 while Insignia Fire TV has 4.19
Gamma; TLC S404 has 2.20 whereas Insignia Fire TV has 2.19
Bottom line: TLC S404 is better
TCL S Series/S404 4k 2018 Vs Insignia Fire TV Edition 4k: MOTION
100% response time; TLC S404 has 14.4ms while Insignia Fire TV has 20.8ms.
Flicker-free; the two TVs don’t have flicker-free.
Black Frame Insertion (BFI); the two TVs don’t have optional BFI
Motion interpolation; Insignia Fire TV has motion interpolation at 30fps
Variable refresh rate; the two TVs don’t have variable refresh rate.
Bottom line: TLC S404 is better
TCL S Series/S404 4k 2018 Vs Insignia Fire TV Edition 4k: INPUTS
Input lag; TLC S404 has 9.6 while Insignia Fire TV has 7.8
1080p @ 60 Hz; TLC S404 has 14.6ms whereas Insignia Fire TV has 34.5ms
1080p @ 60 Hz outside game mode; TLC S404 has 48.3ms while Insignia Fire TV has 86.8ms
Supported resolutions; TLC S404 has 8.3 while Insignia Fire TV has 7.5
1080p @ 60 Hz @ 4:4:4; the two TVs support this.
Total inputs; each TV has 3 HDMI, 1 USB, 1 Digital optical audio out, 1 Analog audio out 3.5mm, 1 composite In, 1 tuner (cable/Ant) and 1 Ethernet.
Inputs specifications; each TV has HDR10, HDMI 2.0 Full bandwidth, CEC, HDCP 2.2, Variable Analog audio out and Wi-Fi support.
Audio pass-through; each TV has ARC, Dolby and DTS.
Bottom line: TLC S404 is better
TCL S Series/S404 4k 2018 Vs Insignia Fire TV Edition 4k: SOUND QUALITY
Low frequency extension; TLC S404 has 119.87Hz whereas Insignia Fire TV has 134.54Hz
Std. Dev. @ Max; TLC S404 has 5.75dB while Insignia Fire TV has 7.65dB
Max; TLC S404 has 91.5dB SPL while Insignia Fire TV has 86.3dB SPL
Distortion; TLC S404 has 6.4 while Insignia Fire TV has 7.1
Weighted THD @ Max; TLC S404 has 4.885 whereas Insignia Fire TV has 0.231
IMD @ Max; TLC S404 has 17.03% whereas Insignia Fire TV has 12.40%
Bottom line: TLC S404 is better
TCL S Series/S404 4k 2018 Vs Insignia Fire TV Edition 4k: SMART FEATURES
Smart OS; TLC S404 operates on Roku TV version 7.6 while Insignia Fire TV on Fire TV version 6.0
Interface; the two TVs have easy to use and smooth.
Ad-free; the two TVs have ads
Apps and features; the two TVs have apps and features preinstalled
Remote; each TV has a small sized remote
TV controls; the two TVs have TV controls
Bottom line: TLC S404 and Insignia Fire TV have the same smart features
Conclusion
In this review of Insignia Vs TCL Roku TV, TLC S404 is better as it is suitable for rooms that are well lit and has lower input lag.