Hisense A6 Series 50" 4K TV vs TCL QM851G Mini LED 55" TV

TCL QM851G Mini LED 55" TV wins — The TCL QM851G Mini LED 55" outperforms the Hisense A6 Series 50" in every core metric: RTINGS measured 1500 nits peak b…

Scores: Hisense A6 Series 50" 4K TV 6.5/10 · TCL QM851G Mini LED 55" TV 8.2/10

The TCL QM851G Mini LED 55" outperforms the Hisense A6 Series 50" in every core metric: RTINGS measured 1500 nits peak brightness versus 350 nits for the Hisense, and input lag of 15 ms (gaming mode) versus 30 ms on the Hisense (per RTINGS). Tom’s Guide notes the QM851G’s HDMI 2.1 support enables 4K/120 Hz gaming, a feature absent on the A6 (per Tom’s Guide). While the Hisense is more budget‑fr...

Spec-by-spec comparison

	Hisense A6 Series 50" 4K TV	TCL QM851G Mini LED 55" TV
Screen Size	50‑inch	55‑inch
Resolution	4K UHD (3840×2160)	4K UHD (3840×2160)
Refresh Rate	60 Hz	120 Hz
HDR Support	HDR10+, Dolby Vision (partial)	HDR10+, Dolby Vision

Hisense A6 Series 50" 4K TV

What works

Very affordable price point
Decent color accuracy for a budget TV
Simple Vidaa U smart platform

What doesn't

Limited peak brightness (~350 nits per RTINGS)
No HDMI 2.1 ports

TCL QM851G Mini LED 55" TV

What works

Mini‑LED backlight with ~1500 nits peak brightness (per RTINGS)
HDMI 2.1 support for gaming at 4K/120Hz
Roku TV smart platform with extensive app library

What doesn't

Higher price than basic LED models
Local dimming zones can cause blooming in very dark scenes

Bottom line

Our pick: TCL QM851G Mini LED 55" TV.

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