Toshiba 75Z670R 75-inch Mini-LED 4K Fire TV

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Product guide

Toshiba 75Z670R 75-inch Mini-LED 4K Fire TV

The Toshiba Z670R (75Z670R) is a 75-inch Mini-LED and QLED 4K Fire TV with a listed 144Hz refresh rate. Its large screen, gaming modes and broad HDR format support suit buyers planning a big-screen entertainment setup, while the listing's mixed performance feedback makes reliability worth considering.

At a glance

Mini-LED backlighting and Full Array Local Dimming are listed alongside QLED color technology.
The listing claims a native 144Hz refresh rate, VRR, ALLM and AMD FreeSync Premium for gaming.
Fire TV integrates streaming apps and Alexa voice control through the remote.
Dolby Vision, HDR10, HDR10+, HDR10+ Adaptive and HLG are listed as supported formats.

Price

$798.99Save 39%

Reference price: ~~$1,299.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

A 75-inch screen and listed 4K resolution provide a large-format option for movies, sports and gaming.
The listed gaming features include native 144Hz, VRR and ALLM, useful for compatible gaming sources.
Built-in Fire TV, listed streaming apps and Alexa controls reduce the need for a separate streaming device for those services.
The supplied contents list names a power cable, quick-start guide, remote and stand.

Cons

The 75-inch screen requires substantial room and furniture or installation space.
Customer feedback includes reports of the TV failing after one month, alongside positive performance experiences.

Technical specifications

38 specifications

Identity
Brand	TOSHIBA
Model	75Z670R

Display and video
Screen size	75 inches
Screen technology listed	Mini LED, QLED
Resolution	4K
Refresh rate	144 hertz
Aspect ratio	16:9
Contrast ratio	3000:1
Screen finish	Flat
HDR formats listed	Dolby Vision, HDR10, HDR10+, HDR10+ Adaptive, HLG
Video format listed	HEVC
Picture processing listed	Full Array Local Dimming, Hi-View AI Engine, Mini-LED, Quantum Dot Color, Wide Color Gamut
Motion processing listed	REGZA AI Engine ZRi Gen3
Backlight configuration	Mini LED
Backlight setting	Full Array Local Dimming

Gaming and smart features
Operating system	FireOS
Streaming apps listed	Disney Plus, Hulu, Netflix, Prime Video, YouTube
Screen mirroring	AirPlay, Google Cast
Display language listed	Spanish

Audio
Audio output mode	Surround
Audio format listed	Dolby Atmos
Audio channels listed	2.1
Speaker output listed	40 watts

Connectivity and controls
Wireless connection listed	Bluetooth, Wi-Fi
Control method listed	Remote
Bluetooth version	5
HDMI ports	4
USB 2.0 ports	1
USB ports total	2
Tuner type	ATSC

Dimensions and installation
Mounting type listed	Table Mount
VESA mount standard	600 x 400 mm
Dimensions listed	3"D x 65.7"W x 37.8"H
Weight listed	63.9 pounds

Power and warranty
Voltage listed	120 volts
Power consumption listed	250 watts
Line voltage listed	100-240 VAC 50-60 Hz
Warranty listed	1 year warranty from the manufacturer

What to know before buying

Customer reports of early failure are individual reported experiences, not an established failure rate. Consider the stated one-year manufacturer warranty when weighing that uncertainty.

What’s in the box

Included

TV
Power cable
Quick-start guide (QSG)
Remote control
Stand

Who is it for?

A good fit for

Viewers seeking a large 75-inch 4K TV for streaming, general entertainment and gaming.
Gamers with compatible sources who want the listed high refresh rate and variable refresh features.
Buyers who prefer Fire TV apps and Alexa voice control in the TV interface.

Less suited to

Buyers with limited space or furniture that cannot accommodate a 75-inch screen.
Shoppers who require assured long-term reliability based only on this listing and its mixed performance feedback.

Toshiba 75Z670R 75-inch Mini-LED 4K Fire TV · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 178 ratings

5 stars70%70%
4 stars7%7%
3 stars8%8%
2 stars5%5%
1 star10%10%

Customer feedback highlights picture contrast, color and sound, with reports of easy setup and smooth-running streaming apps. Some customers also describe smoother gaming at 144Hz, which aligns with the listed high-refresh gaming features but does not verify performance. Experiences with overall performance are mixed, including a report of failure after one month. That concern matters for buyers prioritizing reliability, even though the listing states a one-year manufacturer warranty.

Positive themes

Customers praise picture contrast, color and sound quality.
Customers report easy setup and smooth-running streaming apps.

Negative themes

Some customers report a failure after one month.

Mixed feedback

Feedback on overall performance is mixed, with both positive experiences and a reported early failure.

Frequently asked questions

What display size and resolution does the Toshiba 75Z670R list?

The listing specifies a 75-inch screen and 4K resolution, with Mini LED and QLED display technology.

Is this TV listed for high-refresh gaming?

Yes. The listing claims native 144Hz, VRR 144Hz, ALLM and AMD FreeSync Premium. Compatibility and achieved refresh rate depend on the connected source and content.

Which streaming platform and apps are listed?

It runs FireOS and lists Disney Plus, Hulu, Netflix, Prime Video and YouTube. Alexa control is described as available through the remote.

What comes in the listed package?

The manufacturer contents list names the TV, power cable, QSG, remote control and stand.