TCL 5-Series (S535) vs TCL 4-Series (S421)
TCL 5-Series (S535)
2020 · $349.99 today
7251
TCL 4-Series (S421)
2019 · $199.99 today
6239
Dashed outline = score at launch
Why TCL 5-Series (S535) is better
- Dimming Zones: Full-array (few zones) vs Edge-lit(8.0× more)
- Peak Brightness: ~450 nits vs ~250 nits(1.8× more)
- Input Lag: ~12 ms vs ~16 ms(33% less)
- Screen Size: 55 in vs 50 in(10% more)
Why TCL 4-Series (S421) is better
No standout numeric advantages.
Verdict
TCL 5-Series (S535) leads outright in 6 of 6 dimensions today.
Spec by spec
| Spec | TCL 5-Series (S535) | TCL 4-Series (S421) |
|---|---|---|
| Display | ||
| Screen Size | 55 in● | 50 in |
| Resolution | 4K UHD | 4K UHD |
| Panel Type | QLED | LED |
| Peak Brightness | ~450 nits● | ~250 nits |
| Dimming Zones | Full-array (few zones)● | Edge-lit |
| Gaming | ||
| Max Refresh Rate | 60 Hz | 60 Hz |
| Input Lag | ~12 ms● | ~16 ms |
| HDMI 2.1 Ports | 0 | 0 |
| Smart Platform | ||
| OS | Roku TV | Roku TV |
| Voice Assistant | Roku Voice / Alexa | Roku Voice / Alexa |
| Audio | ||
| Speaker Output | 10W | 10W |
| Dolby Atmos | No | No |