Both TVs share the same 4K (3840 x 2160) resolution, 10-bit panel depth, and 1.07 billion colors, establishing a solid baseline for picture quality. However, the most immediately obvious distinction is screen size: the Hisense spans a massive 100″, while the TCL covers a more conventional 74.5″. Interestingly, the TCL's smaller panel actually yields a higher pixel density — 59 ppi versus 44 ppi — meaning individual pixels are tighter and images may appear slightly sharper at close viewing distances. In practice though, both sets are designed for living-room distances where this difference becomes largely imperceptible.
Where the gap widens more meaningfully is in panel technology and motion handling. The Hisense uses a QLED layer on top of its LED-backlit LCD, which typically produces more saturated colors and higher peak luminance — reflected here in its 400 nits typical brightness versus the TCL's 330 nits. More significantly, the Hisense offers a 144Hz refresh rate compared to the TCL's 60Hz, which translates directly to smoother motion in fast-action content, sports, and gaming with dramatically reduced blur and judder. For gamers especially, this is a substantial real-world advantage. The Hisense also supports both HDR10+ and Dolby Vision — the two leading dynamic HDR formats — while the TCL supports only the base HDR10 and HLG standards. Dynamic HDR metadata adjusts tone-mapping scene by scene, so missing Dolby Vision and HDR10+ means the TCL cannot take full advantage of content mastered in those formats.
Overall, the Hisense 100E7Q Pro holds a clear display advantage across nearly every performance-oriented metric: richer HDR ecosystem, higher brightness, superior motion clarity via 144Hz, and QLED color technology — alongside a dramatically larger screen. The TCL 75P6K is a competent 4K panel with a marginally sharper pixel pitch and identical viewing angles, but it lacks the premium display features that define the Hisense's offering. Unless physical space constraints make the 100″ footprint impractical, the Hisense wins this category decisively on specs.