Insignia F50 Series 55" (Amazon Fire TV) vs TCL S4 55"
The Verdict
Both 55-inch budget 4K TVs deliver solid value around $270-280, but the Insignia F50 pulls ahead with meaningful advantages. Its QLED panel achieves 500 nits brightness versus TCL's 400 nits, providing noticeably punchier HDR performance and better visibility in bright rooms. Gaming features favor Insignia too,14ms input lag beats TCL's 30ms, and ALLM support helps with console connectivity. Wi-Fi 6 connectivity is faster than TCL's Wi-Fi 5, while Fire TV OS integrates seamlessly with Amazon ecosystems and Alexa voice control. TCL counters with Google TV's superior app ecosystem and Google Assistant compatibility, though its LED panel and weaker gaming specs are drawbacks at this price. Audio quality is negligible between both 16W/15W configurations. For gaming enthusiasts and Amazon-centric households, Insignia offers better performance. For Google ecosystem users prioritizing content apps, TCL suffices. Overall, the Insignia F50's brighter display and gaming capabilities make it the stronger choice.
Who Should Buy
Buy the Insignia F50 Series 55" (Amazon Fire TV) if…
- →QLED panel with Dolby Vision for under $270 is a steal
- →Fire TV OS with hands-free Alexa is tightly integrated with Amazon ecosystem
- →Wi-Fi 6 is faster than the Wi-Fi 5 found on most budget rivals
Buy the TCL S4 55" if…
- →Extraordinary value at $279 for a 55-inch 4K Google TV
- →Google TV offers access to virtually every streaming service out of the box
- →Lightweight and easy to install — great for bedrooms, kitchens, or secondary rooms
Category Scores
Pros & Cons
Insignia F50 Series 55" (Amazon Fire TV)
Pros
- QLED panel with Dolby Vision for under $270 is a steal
- Fire TV OS with hands-free Alexa is tightly integrated with Amazon ecosystem
- Wi-Fi 6 is faster than the Wi-Fi 5 found on most budget rivals
- Four HDMI ports is generous at this price
- Best Buy exclusive with easy returns and setup support
Cons
- Fire TV OS is heavily Amazon-focused with prominent ads
- 60Hz panel — no gaming features
- Build quality and reliability can be hit-or-miss
- Insignia brand lacks the resale value of Samsung, LG, or Sony
TCL S4 55"
Pros
- Extraordinary value at $279 for a 55-inch 4K Google TV
- Google TV offers access to virtually every streaming service out of the box
- Lightweight and easy to install — great for bedrooms, kitchens, or secondary rooms
- Decent picture for casual streaming at typical 8–10 foot viewing distances
Cons
- 60Hz panel is not suitable for gaming or fast-motion sports content
- Low peak brightness of ~400 nits struggles in bright, sunlit rooms
- No HDMI 2.1 — limits PS5 and Xbox Series X to 4K@60Hz only
- 15W audio output is thin and lacks bass — an external soundbar is recommended
- No VRR or ALLM means gaming performance is not a priority for this model
Full Specifications
| Spec | Insignia F50 Series 55" (Amazon Fire TV) | TCL S4 55" |
|---|---|---|
| Body | ||
| VESA mount | 200 x 200mm | 200 x 200mm |
| Weight | 24.0 lbs | 28.7 lbs |
| Dimensions (w/ stand) | 48.5 x 30.8 x 9.2 inches | 48.5 x 32.4 x 9.2 inches |
| Audio | ||
| Output (watts) | 16 | 15 |
| Speakers | 2.0ch | 2.0ch |
| Dolby Atmos | ||
| Gaming | ||
| VRR (Variable Refresh Rate) | ||
| ALLM | ||
| Input lag (ms) | 14 | 30 |
| Display | ||
| HDR | Dolby Vision, HDR10, HLG | HDR10, Dolby Vision, HLG |
| Size | 55" | 55" |
| Type | QLED | LED |
| Resolution | 3840 x 2160 (4K UHD) | 3840 x 2160 (4K UHD) |
| Refresh rate | 60Hz | 60Hz |
| Brightness (nits) | 500 | 400 |
| Smart TV | ||
| Os | Fire TV OS | Google TV |
| Voice assistant | Alexa built-in (hands-free) | Google Assistant |
| Processor | ||
| Chipset | Quad-core | AiPQ Lite Processor |
| Connectivity | ||
| Wi-Fi | Wi-Fi 6 (802.11ax) | Wi-Fi 5 (802.11ac) |
| Ethernet | ||
| Bluetooth | 5.2 | 5.0 |
| USB ports | 1 | 1 |
| HDMI ports | 4 | 3 |
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in tvs, see all Insignia products or all TCL products. View full details for the Insignia F50 Series 55" (Amazon Fire TV) or the TCL S4 55".