If you want a very large, very bright TV and care more about screen size per dollar than brand prestige, the TCL 85QM851G deserves a look. It is an 85-inch QLED QD-Mini LED 4K smart TV with Google TV. Reviewers at RTINGS, TechRadar, and PCMag single out its brightness and local dimming. This listing is sold as Amazon Renewed, which can lower the price but changes what you should check before buying.
Check the Renewed Price on Amazon

The listing shows a regular price of $1,699.99. Check the live Renewed price, and compare it with what new units sell for right now, to see how big the savings really are.
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What You're Getting: TCL 85QM851G Specs and Features
The listing text does not clearly name the brand, but research confirms this is a TCL television, model 85QM851G (2024 model year).
- Screen: 85-inch class (about 84.5 inches diagonally), 4K resolution
- Display tech: QLED with QD-Mini LED backlighting and local dimming
- Smart platform: Google TV
- HDR formats: Dolby Vision, HDR10+, HDR10, and HLG
- Refresh rate: Native 120Hz panel with support for up to 144Hz VRR
- Gaming features: AMD FreeSync Premium Pro and Dolby Vision gaming support
- Tuner: Built-in ATSC 3.0 for over-the-air 4K broadcasts where available
- Condition: Amazon Renewed
The Brightness and Picture Quality: What Reviewers Found
Brightness is the headline. TechRadar describes exceptionally bright output, effective local dimming, and OLED-like blacks, and it calls the TV well suited to sports. PCMag reports the brightest picture among the TVs it tested, along with nearly perfect black levels. RTINGS rates the QM851G as a strong overall TV with excellent picture quality and extensive features.
In practice, reviewers point to these strengths:
- Bright-room viewing: High brightness and an anti-reflection treatment suit sunlit living rooms and daytime sports.
- Contrast: Strong local dimming helps keep blacks deep for a mini-LED set.
- Color: Vivid QLED color and broad HDR support make streaming movies and shows look punchy.
Amazon customer feedback is broadly positive on picture quality, brightness, colors, value, setup, sound, and latency.
Gaming Performance: 4K/120Hz, Up to 144Hz VRR, and the '240Hz' Claim Explained
The listing advertises a '240Hz Game Accelerator.' This is not a native 4K 240Hz TV. The panel is native 120Hz, with support for up to 144Hz VRR. The 240Hz branding does not mean the TV runs 4K at 240Hz the way a true 240Hz display would.
What you do get for gaming:
- 4K/120Hz support, with VRR up to 144Hz
- AMD FreeSync Premium Pro
- Dolby Vision gaming support
- Low input lag, per reviewers
Two port limits matter if you own several consoles or a gaming PC:
- The TV has only two HDMI 2.1 ports.
- Only HDMI 1 supports the highest 144Hz/240Hz gaming modes.
Plan your HDMI setup before you buy. If you need more than two HDMI 2.1 connections, this TV may require some juggling.
What 'Amazon Renewed' Means for This TV
A Renewed unit is a pre-owned or refurbished product sold through Amazon. It is not the same as buying a brand-new TV. Condition, included accessories, packaging, warranty, and return coverage can differ from a new television.
Before you click buy, read the live listing for:
- The stated condition grade and what it means
- Which accessories are included, such as the remote, stand feet, and power cable
- The warranty or guarantee terms, if any
- The return window and who handles returns for an item this large
Don't assume any of these match a new unit. Verify them on the listing itself.
The Weak Points: Viewing Angles, VRR Consistency, and Motion Handling
This TV's strengths come with real trade-offs:
- Viewing angles: RTINGS reports limited off-axis quality, and TechRadar notes the picture fades when viewed from the side. If your seating is wide or spread out, this matters.
- VRR consistency: RTINGS found inconsistent VRR behavior.
- Motion handling: TechRadar calls it average.
- Glare in dark scenes: RTINGS notes glare in dark scenes when the screen faces bright lights.
- HDR calibration: RTINGS describes the HDR pre-calibration as sub-par out of the box.
- Reliability feedback: Amazon customer feedback is mixed on adjustment options and long-term reliability, including one reported failure after about a year.
The Renewed status makes the reliability question worth taking seriously. Check what coverage the listing actually offers.
Who This TV Is For (and Who Should Look Elsewhere)
A good fit if you:
- Watch in a bright room or mostly during the day
- Are a sports fan or streamer who wants a big, bright, high-contrast picture
- Game at 4K/120Hz and can work within two HDMI 2.1 ports
- Prioritize screen size and brightness per dollar over brand prestige
- Sit mostly in front of the screen
- Are comfortable buying Renewed
Look elsewhere if you:
- Need a consistent picture from wide or off-center seats
- Want true native 4K 240Hz
- Need more than two HDMI 2.1 ports for gaming gear
- Want a full new-unit warranty and the simplest return experience
Size and Installation: What to Measure Before You Buy
At about 84.5 inches diagonally, this is a very large TV. Measure before ordering:
- Wall or stand space: Confirm the width of the TV against your wall, console, or stand, and check the stand's weight capacity.
- Wall mount: If you plan to mount it, confirm the mount's size and weight rating, and plan for more than one person to lift it.
- Doorways, stairs, and hallways: Make sure the box can reach the room.
- Viewing distance: Make sure your seating suits a screen this size.
- HDMI layout: Plan which device goes on HDMI 1 for the highest gaming modes.
Alternatives to Consider
If the trade-offs above are dealbreakers, these are worth a look:
- The TCL QM751G, a lower-tier TCL mini-LED QLED model with a similar Google TV platform, if you want to spend less.
- A newer TCL QM8/QM85 generation, if its price is close to the Renewed 2024 model and it comes with a full manufacturer warranty.
- Models with more HDMI 2.1 ports or true 4K 240Hz, if your gaming setup demands them. Some Samsung Neo QLED models offer 4K 240Hz but may cost more.
- OLED TVs from LG, Samsung, or Sony, if viewing angles matter most to you.
Bottom Line
If you want brightness, local dimming, and a huge screen for your money, and you can live with limited viewing angles, inconsistent VRR, and two HDMI 2.1 ports, the TCL 85QM851G is a strong deal. Check the current Renewed price and listing terms on Amazon, confirm your room dimensions and HDMI setup, and read the return policy before you buy. If you need better off-axis viewing or true 4K 240Hz, shop the alternatives above.

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