TV Comparisons

TCL QM6K vs TCL QM850G: Which One Should You Buy?

The 2025 TCL QM6K competes surprisingly well with the higher-tier 2023 QM8/QM850G, but each serves a different shopper. Tech Steve preferred the QM8 overall for its richer color, stronger bass and higher-end picture character. The QM6K delivered smoother factory-mode motion in this comparison, slightly clearer built-in audio and a more flexible gaming connection layout with two HDMI inputs supporting 4K at 144Hz while eARC remains on a separate connection. The QM8 remains the stronger choice for shoppers prioritizing HDR impact and saturated color, while the QM6K is more practical for a two-console gaming setup or smaller screen sizes.

Model-by-model comparison

TCL QM6K vs. QM8 (QM850G): Is the Newer TV Better?

The 2025 TCL QM6K competes surprisingly well with the higher-tier 2023 QM8/QM850G, but each serves a different shopper. Tech Steve preferred the QM8 overall for its richer color, stronger bass and higher-end picture character. The QM6K delivered smoother factory-mode motion in this comparison, slightly clearer built-in audio and a more flexible gaming connection layout with two HDMI inputs supporting 4K at 144Hz while eARC remains on a separate connection. The QM8 remains the stronger choice for shoppers prioritizing HDR impact and saturated color, while the QM6K is more practical for a two-console gaming setup or smaller screen sizes.

FeatureQM6KQM850GWhat it means
Model year TCL QM6K: 2025 TCL QM8/QM850G: 2023 It is the more recent series, although model year alone does not determine picture quality.
Available sizes TCL QM6K: 50, 55, 65, 75, 85 and 98 inches TCL QM8/QM850G: 65, 75, 85 and 98 inches The 50- and 55-inch options accommodate smaller rooms and budgets.
Native panel refresh rate TCL QM6K: 144Hz TCL QM8/QM850G: 120Hz The QM6K uses a physical 144Hz panel rather than relying only on 144Hz signal acceptance.
Maximum refresh at native 4K resolution TCL QM6K: 144Hz TCL QM8/QM850G: accepts up to 144Hz Both can handle a 4K/144Hz input, although their physical panel rates differ.
High-refresh HDMI inputs TCL QM6K: two inputs support 4K/144Hz TCL QM8/QM850G: one input supports 4K/144Hz and one supports 4K/120Hz It is more convenient for two high-refresh gaming sources, especially when using eARC audio.
Manufacturer peak-HDR brightness claim TCL QM6K: no numerical claim verified TCL QM8/QM850G: up to 2,000 nits The QM8 has the stronger documented HDR brightness specification.
Manufacturer local-dimming claim TCL QM6K: up to 500 zones at series level TCL QM8/QM850G: up to 2,300-plus zones at series level The QM8 carries a substantially higher series-level zone claim, although exact per-size counts are not established.
Factory color reproduction TCL QM6K: flatter and more restrained TCL QM8/QM850G: warmer and more saturated Tech Steve preferred the QM8's richer color reproduction, including its presentation of greens in Sports mode.
Shadow detail TCL QM6K: preferred in some movie scenes TCL QM8/QM850G: revealed more background detail in other scenes The preferred result changed with the content and could also change after adjustment.
Factory Movie-mode motion TCL QM6K: appeared smoother TCL QM8/QM850G: less smooth at the compared factory setting Tech Steve preferred the QM6K's motion before changing judder or motion controls.
Dirty-screen uniformity TCL QM6K: no distracting area stood out TCL QM8/QM850G: no distracting area stood out Both showed similar characteristics and were considered suitable for typical users.
Blooming control TCL QM6K: performed well TCL QM8/QM850G: performed well Neither television presented a concerning blooming problem in the demonstration.
Upscaling TCL QM6K: good with 720p and higher sources TCL QM8/QM850G: good with 720p and higher sources Tech Steve considered both effective with 720p-or-higher content.
Gaming experience at 60Hz and 120Hz TCL QM6K: similar overall gameplay TCL QM8/QM850G: similar overall gameplay Normal console gaming performance was considered broadly similar.
Built-in bass TCL QM6K: lighter bass response TCL QM8/QM850G: stronger bass response The QM8 delivered more bass during the listening comparison.
Built-in audio clarity TCL QM6K: slightly clearer TCL QM8/QM850G: slightly less clear Tech Steve heard a small clarity advantage from the QM6K.
Overall preference TCL QM6K: competitive newer midrange model TCL QM8/QM850G: older higher-tier model Tech Steve preferred the QM8's overall experience and higher-end picture character.
TCL

QM6K Series QD-Mini LED QLED 4K UHD Smart TV with Google TV

A 2025 QD-Mini LED Google TV with a physical 144Hz panel, two 4K/144Hz HDMI inputs and sizes from 50 to 98 inches.

Key technology

TCL Halo Control SystemA group of backlight and optical-control technologies intended to improve Mini-LED light precision and reduce visible haloing around bright objects.
Precise Dimming SeriesTCL's local-dimming system independently adjusts groups of Mini-LEDs to improve black levels and contrast. The QM6K series is advertised with up to 500 zones, but exact counts were not published for every size.
Super High Energy LED ChipA revised Mini-LED light-emitting component designed to increase light output and efficiency compared with TCL's preceding LED implementation.
Micro-ODAn optical design that reduces the physical distance between the backlight and diffuser to support a thinner cabinet and more controlled light distribution.
Bi-directional 23-bit Backlight ControllerA backlight-control system designed to provide finer gradation when changing Mini-LED brightness levels.
Dynamic Light AlgorithmTCL processing that coordinates the incoming picture signal with local backlight behavior to improve perceived contrast and tonal detail.
Game Accelerator 240A gaming mode that can accept frame rates above the panel's 144Hz native-resolution limit by using a reduced-resolution mode. TCL's reviewed documentation did not specify the exact reduced resolution, so it is not counted as the native or maximum 4K refresh rate.
Motion Rate 480TCL's motion-processing label combining the physical refresh rate with MEMC frame insertion; it is not a 480Hz panel specification.

Buyer advantages

  • QM8 delivers richer color and stronger bass in the side-by-side comparison
  • QM8 carries higher manufacturer brightness and local-dimming claims
  • QM6K provides two HDMI inputs supporting 4K at 144Hz
  • QM6K has a physical 144Hz panel and supports FreeSync Premium Pro
  • QM6K showed smoother motion in factory Movie mode
  • Both support Dolby Vision IQ, HDR10+, VRR, ALLM and built-in 2.1-channel audio
  • Both handled blooming, dirty-screen uniformity and 720p-or-higher upscaling well in the demonstrations

Things to consider

  • QM8 provides only one 4K/144Hz input; its second high-refresh input tops out at 4K/120Hz
  • QM6K has a substantially lower series-level local-dimming claim than the QM8
  • QM6K does not have a verified numerical peak-brightness claim
  • Both showed visible glare characteristics under direct lighting
  • Color and shadow presentation may require adjustment to match personal preferences
  • Game Accelerator 240 uses reduced resolution rather than native 4K

Sizes, mounting and buying details

Size / modelPeak HDRVESAFeet widthViewing distanceBuy
50"50QM6K 11.1 in 5.7–7.8 ft
55"55QM6K 300 x 300 39.5 in 6.3–8.6 ft Check price ↗
65"65QM6K 300 x 300 46.6 in 7.4–10.1 ft Check price ↗
75"75QM6K 300 x 300 56.9 in 8.6–11.7 ft Check price ↗
85"85QM6K 600 x 400 64.8 in 9.7–13.2 ft Check price ↗
98"98QM6K 600 x 500 71.21 in 11.2–15.2 ft Check price ↗

Complete specifications

Audio

Speaker SystemOnkyo 2.1-channel integrated audio system
Speaker Count2
Woofer Count1
Included SubwooferBuilt-in woofer
Included Rear SpeakersNo
Audio Output Watts40 W
Dolby AtmosYes
Dolby Audio FormatsDolby Atmos, Dolby Digital Plus, Dolby Digital, PCM passthrough
DTS SupportYes
DTS Audio FormatsDTS-HD, DTS Virtual:X
Sound ModesIntelligent, Standard, Movie, Music, Voice
Dialogue EnhancementVoice sound mode
Voice AssistantsGoogle Assistant, Amazon Alexa compatibility
Optional AccessoriesCompatible VESA wall mount, Optional TCL webcam

Connectivity

HDMI Ports4
HDMI 2 1 Ports2
HDMI Inputs4
HDMI Outputs0
HDMI eARCYes
Optical Inputs0
ChromecastYes

Design & Installation

Wall Mount IncludedNo

Gaming

Native Refresh Rate Hz144 Hz
Maximum Refresh Rate Hz144 Hz
VRRYes; up to 144Hz at 4K, with AMD FreeSync Premium Pro
ALLMYes

Picture

Display TechnologyQD-Mini LED QLED LCD
Panel TypeHVA; 85-inch and 98-inch variants use a matte HVA panel
Resolution3840 x 2160
Local DimmingFull-array Mini-LED with TCL Precise Dimming; manufacturer series claim is up to 500 zones
HDR FormatsDolby Vision, Dolby Vision IQ, Dolby Vision Gaming, HDR10+, HDR10, HLG

Size Details

Dimensions Without Stand Inches43.7 W x 27.0 H x 5.4 D in
Weight Without Stand lb19.6 lb
Dimensions Without Stand Inches48.40 W x 27.70 H x 2.20 D in
Weight Without Stand lb26.8 lb
Dimensions Without Stand Inches56.9 W x 32.7 H x 2.2 D in
Weight Without Stand lb37.4 lb
Dimensions Without Stand Inches65.8 W x 37.8 H x 2.2 D in
Weight Without Stand lb50.7 lb
Dimensions Without Stand Inches74.4 W x 42.7 H x 2.3 D in
Weight Without Stand lb71.8 lb
Dimensions Without Stand Inches85.83 W x 49.09 H x 2.52 D in
Weight Without Stand lb115.3 lb

Smart Features

Operating SystemGoogle TV
ProcessorTCL AiPQ Pro Processor

Specifications

Screen Sizes50, 55, 65, 75, 85, 98
VESA By Size55": 300 x 300 mm, 65": 300 x 300 mm, 75": 300 x 300 mm, 85": 600 x 400 mm, 98": 600 x 500 mm
Stand Width By Size50": 11.1 inches according to Best Buy, 55": 39.5 inches, 65": 46.6 inches wide position; 23.5 inches narrow position, 75": 56.9 inches wide position; 30.4 inches narrow position, 85": 64.8 inches wide position; 35.1 inches narrow position, 98": 71.21 inches
Stand Depth By Size50": 10.6 inches, 55": 11.89 inches, 65": 11.6 inches, 75": 13.4 inches, 85": 14.6 inches, 98": 16.54 inches
TCL

QM8 Series 4K Mini-LED QLED HDR Smart TV with Google TV

A premium 2023 Mini-LED Google TV with up-to-2,000-nit brightness, an up-to-2,300-plus-zone series claim and sizes from 65 to 98 inches.

Key technology

Mini-LED ULTRATCL's dense Mini-LED backlight implementation for combining high light output with independently controlled dark areas.
Full Array ULTRA Local DimmingIndependently adjusts backlight zones according to picture content. TCL advertises up to 2,300+ zones at the series level, but exact counts were not verified for every screen size.
High Brightness ULTRAThe Mini-LED backlight system is advertised to produce up to 2,000 nits of peak brightness.
AiPQ Engine Gen3TCL picture processing that analyzes and adjusts color, contrast and image clarity.
Game Accelerator 240A reduced-resolution gaming mode supporting frame rates above the physical panel rate. It is not a 4K 240Hz or native 240Hz specification.
Motion Rate 480TCL's motion-processing label incorporating MEMC frame insertion; it does not describe a 480Hz physical panel.

Buyer advantages

  • The up-to-2,000-nit manufacturer claim gives the QM850G a clear specification advantage for bright HDR highlights.
  • The up-to-2,300-plus-zone series claim provides substantially finer potential backlight control than the QM6K's series-level claim.
  • Tech Steve preferred its richer color reproduction and more saturated Sports-mode presentation.
  • Its built-in 2.1-channel audio produced stronger bass than the QM6K in the listening comparison.
  • HDMI 1 accepts 4K at up to 144Hz, while HDMI 2 supports 4K at up to 120Hz.
  • The 65-, 75- and 85-inch versions use a compact central pedestal that requires less furniture width than widely spaced feet.
  • Wi-Fi 6, AirPlay, Chromecast and Apple HomeKit provide broad smart-home and casting compatibility.
  • Dolby Vision IQ and HDR10+ support cover both major dynamic-HDR formats.

Things to consider

  • Only HDMI 1 supports 4K at 144Hz; HDMI 2 tops out at 4K/120Hz, making the set less flexible for two 144Hz gaming sources.
  • Its physical panel refresh rate is 120Hz even though it can accept a 4K/144Hz signal.
  • Factory Movie-mode motion looked less smooth than the QM6K in Tech Steve's comparison.
  • The warmer and more saturated factory picture may require adjustment for shoppers who prefer a restrained presentation.
  • The advertised 2,000-nit brightness figure is an up-to manufacturer claim rather than a sustained or full-screen measurement.
  • Exact local-dimming-zone counts are not published for each size.
  • The series starts at 65 inches, with no 50- or 55-inch option.
  • The 98-inch model replaces the compact pedestal with widely separated feet.
  • Game Accelerator 240 operates at reduced resolution rather than native 4K.

Sizes, mounting and buying details

Size / modelPeak HDRVESAFeet widthViewing distanceBuy
65"65QM850G 2,000 nitsManufacturer up-to peak-brightness claim on the 65QM850G product page 300 x 400 13.4 in 7.4–10.1 ft Check price ↗
75"75QM850G 2,000 nitsManufacturer up-to peak-brightness claim on the size-specific QM850G product listing 400 x 400 13.4 in 8.6–11.7 ft Check price ↗
85"85QM850G 2,000 nitsManufacturer up-to peak-brightness claim on the 85QM850G product page 600 x 600 15.7 in 9.7–13.2 ft Check price ↗
98"98QM850G 2,000 nitsManufacturer up-to peak-brightness claim on the size-specific 98QM850G page 600 x 600 67.56 in 11.2–15.2 ft Check price ↗

Complete specifications

Audio

Speaker System2.1-channel integrated speaker system with built-in subwoofer
Speaker Count2
Woofer Count1
Included SubwooferBuilt-in 20W subwoofer
Included Rear SpeakersNo
Audio Output Watts40 W
Dolby AtmosYes
Dolby Audio FormatsDolby Atmos, Dolby Digital Plus, Dolby Digital, PCM passthrough
DTS SupportYes
DTS Audio FormatsDTS Virtual:X
Voice AssistantsGoogle Assistant, Amazon Alexa compatibility, Apple HomeKit compatibility
Optional AccessoriesCompatible VESA wall mount, Optional TCL webcam

Connectivity

HDMI Ports4
HDMI 2 1 Ports2
HDMI Inputs4
HDMI Outputs0
HDMI eARCYes
Optical Inputs0
AirPlayYes
ChromecastYes

Design & Installation

Wall Mount IncludedNo

Gaming

Native Refresh Rate Hz120 Hz
Maximum Refresh Rate Hz144 Hz
VRRYes; 4K input up to 144Hz plus AMD FreeSync Premium Pro
ALLMYes

Picture

Display TechnologyMini-LED QLED LCD
Resolution3840 x 2160
Local DimmingFull Array ULTRA Local Dimming; manufacturer series claim is up to 2,300+ zones
Peak Brightness Nits2000 nits
HDR FormatsDolby Vision IQ, Dolby Vision, HDR10+, HDR10, HLG

Size Details

Dimensions Without Stand Inches56.9 W x 32.6 H x 1.7 D in
Weight Without Stand lb50.1 lb
Dimensions Without Stand Inches65.8 W x 37.9 H x 1.9 D in
Weight Without Stand lb68.6 lb
Dimensions Without Stand Inches74.6 W x 43.0 H x 2.1 D in
Weight Without Stand lb105.6 lb
Dimensions Without Stand Inches85.75 W x 49.21 H x 1.61 D in
Weight Without Stand lb143.3 lb

Smart Features

Operating SystemGoogle TV
ProcessorTCL AiPQ Engine Gen3 with Deep Learning AI

Specifications

Screen Sizes65, 75, 85, 98
VESA By Size65": 300 x 400 mm, 75": 400 x 400 mm, 85": 600 x 600 mm, 98": 600 x 600 mm
Stand Width By Size65": 13.4 inches, 75": 13.4 inches, 85": 15.7 inches, 98": 67.56 inches
Stand Depth By Size65": 11.7 inches, 75": 11.7 inches, 85": 13.8 inches, 98": 16.46 inches

Which one should you buy?

The QM8/QM850G remains the better fit for movie and HDR shoppers who want richer color, stronger bass and a much higher manufacturer brightness and local-dimming specification. It was Tech Steve's overall preference, but its high-refresh HDMI arrangement is less flexible: only one input reaches 4K/144Hz, while a second reaches 4K/120Hz. The QM6K is the more practical choice for gamers with two high-refresh sources and an eARC sound system because both of its gaming inputs support 4K/144Hz and eARC is located separately. It also offers 50- and 55-inch sizes, smoother factory Movie-mode motion in this comparison and matte screens on its 85- and 98-inch versions. Buy the discounted QM8 for the more premium picture character; buy the QM6K for connectivity, broader size selection and balanced everyday performance.

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