Toshiba M450 QLED Series 85M450SU 84.5"
The REGZA AI Engine ZRi Gen3 and QLED panel deliver calibrated color accuracy and Dolby Vision HDR, though peak brightness is limited to 400 nits. Its 30W REGZA Power Audio system with Dolby Atmos and built-in Fire TV smart platform provide a streamlined, voice-controlled experience without external devices. This 85-inch TV is best for streamers and smart home users wanting a large, integrated display for movies and Alexa routines in moderately lit rooms.
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Snapshot
The 30-Second Version
The Toshiba M450 is an 84.5-inch QLED that prioritizes size over picture quality. At $750 USD, it's a solid value for casual streamers who want a huge screen with Fire TV built in. The 400 nits brightness and 60Hz panel hold it back, but the audio and smart features punch above their weight.
Pros & Cons
Pros
- Massive 84.5-inch screen for a very reasonable price 82nd
- Fire TV built in means no extra streaming stick needed 82nd
- Dolby Vision and HDR10+ support at this price is rare 76th
- Audio performance is well above average for a budget TV 73rd
Cons
- 400 nits brightness makes HDR content look flat
- 60Hz panel limits gaming and fast-motion content
- HDMI 2.0 ports, not 2.1, so no 4K/120 support
- Social proof is nearly nonexistent at the 10th percentile
The proof
Performance
The M450's picture quality lands in the 74th percentile, which translates to solid but unspectacular. The QLED color tech does help with vibrancy, and the REGZA AI Engine Gen4 does a respectable job upscaling lower-res content. But at 400 nits, HDR content won't have that punchy, eye-searing brightness you'd get from a mid-range or premium set. The 4000:1 contrast ratio is about average for a direct-lit LED, so dark scenes will look a bit gray rather than truly black. Gaming sits right at the 50th percentile, which makes sense given the 60Hz panel and HDMI 2.0 ports. You get VRR and ALLM, which is nice, but you're capped at 4K/60, so don't expect to push a PS5 or Xbox Series X to its limits here. Audio is actually a bright spot at the 82nd percentile, with 30W of power and Dolby Atmos support doing more than you'd expect from built-in TV speakers.
Specifications
Full Specifications
Display
| Size | 84.5" |
| Resolution | 4K |
| Panel Type | QLED |
| Backlight | Direct LED |
| Aspect Ratio | 16:9 |
| Curved | No |
Picture Quality
| Brightness | 400 nits |
| Contrast Ratio | 4000:1 |
| Color Gamut | QLED Color, Quantum HDR |
| Motion Tech | Motion Rate 120 |
| Processor | REGZA AI Engine ZR Gen4 |
HDR
| HDR Formats | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) |
| Dolby Vision | Yes |
| HDR10+ | Yes |
| HLG | Yes |
Gaming
| Refresh Rate | 60 Hz |
| VRR | ✓ |
| ALLM | Yes |
| Game Mode | Yes |
Smart TV
| Platform | Fire TV |
| Voice Assistant | Amazon Alexa |
| Screen Mirroring | Apple AirPlay, Miracast |
Audio
| Speaker Config | 2 |
| Wattage | 30 |
| Dolby Atmos | Yes |
| Surround Sound | Dolby Atmos |
| eARC | Yes |
Connectivity
| HDMI Ports | 4 |
| HDMI Version | 2 |
| USB Ports | 2 |
| Wi-Fi | Wi-Fi 5 |
| Bluetooth | 5.3 |
| Ethernet | Yes |
| Optical Audio | Yes |
| VESA Mount | 500mm x 400mm |
Power & Size
| Power | 387 |
| Energy Star | No |
| Annual Energy | 387 |
| Weight | 26.9 kg / 59.3 lbs |
vs Competition
Stacked against the competition, the M450 is playing a different game entirely. The LG C5 OLED and Sony BRAVIA XR A95L are in a completely different league for picture quality, but they cost several times more and top out at smaller sizes in this comparison. The TCL QM8K and Hisense U8 are closer in spirit, offering better brightness and contrast at similar or slightly higher prices, but you'll typically get a smaller screen for the money. The Samsung Neo QLED QN70F splits the difference with better picture tech but less sheer size. The M450's pitch is simple: it's the biggest screen for the least cash, and it leans on Fire TV and Dolby Vision to paper over the performance gaps.
| Spec | Toshiba M450 QLED Series 85M450SU 84.5" | LG C5 OLED55C5PUA | Samsung Neo QLED QN990F | Sony BRAVIA 9 K85XR90 | TCL QM8K Series 75QM8K | Hisense U8 Series 100U8QG |
|---|---|---|---|---|---|---|
| Screen Size | 84.5 | 55 | 75 | 85 | 75 | 99.5 |
| Resolution | 4K | 3840x2160 | 7680x4320 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | QLED | OLED | Mini-LED | Mini-LED | Mini-LED | Mini-LED |
| Refresh Rate | 60 | 120 | 120 | 120 | 144 | 165 |
| Hdr | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR10, HLG | HDR10, HDR10+, HLG | HDR10, HLG, Dolby Vision | Dolby Vision, HDR 10, HDR 10+, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) |
| Smart Platform | Fire TV | webOS | Tizen | Google TV | Google TV | Google TV |
| Dolby Vision | true | true | false | true | true | true |
| Dolby Atmos | true | true | true | true | true | true |
| Hdmi Version | 2.0 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Compare | Compare | Compare | Compare | Compare |
| Product | HDR | Audio | Smart | Gaming | Display | Connectivity | Social Proof | Picture Quality |
|---|---|---|---|---|---|---|---|---|
| Toshiba M450 QLED Series 85M450SU 84.5" | 76 | 81.9 | 81.5 | 49.3 | 47.9 | 72.9 | 9.4 | 73.2 |
| LG C5 OLED55C5PUA Compare | 96.9 | 93.9 | 90.3 | 98 | 88.4 | 98.7 | 93.8 | 93.1 |
| Samsung Neo QLED QN990F Compare | 84.3 | 99.8 | 93.6 | 88.3 | 99.5 | 99.9 | 99.6 | 83.6 |
| Sony BRAVIA 9 K85XR90 Compare | 87.7 | 97.2 | 92 | 78.2 | 94.7 | 92.7 | 87.1 | 78.1 |
| TCL QM8K Series 75QM8K Compare | 91.1 | 92.6 | 99 | 92.9 | 89.6 | 92.7 | 87.1 | 99.3 |
| Hisense U8 Series 100U8QG Compare | 91.1 | 98.4 | 96 | 94.7 | 94.7 | 86.1 | 75.4 | 98.8 |
Price
Value & Pricing
At $750 USD for an 84.5-inch QLED with Dolby Vision and Fire TV built in, the value proposition is hard to ignore. You're getting a genuinely huge screen with decent smart features and surprisingly good audio for less than what many 55-inch mid-range sets cost. The trade-off is picture quality that won't wow anyone who's seen a brighter, higher-contrast panel. If your priority is size per dollar, this is a strong deal. If you care about HDR pop and deep blacks, you'll need to spend more or go smaller.
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Overview
The Toshiba M450 is a big, budget-friendly QLED that wants to be your living room centerpiece. At 84.5 inches, it's absolutely massive, and the Fire TV smarts mean you'll be streaming within minutes of plugging it in. The REGZA AI Engine does some decent processing work, and Dolby Vision support is a nice touch at this size and price point.
But this is not a TV for videophiles. The 400 nits of brightness and 60Hz panel put it firmly in the budget category, and the 4000:1 contrast ratio won't blow anyone away. It's a value play, pure and simple. You're buying sheer screen real estate, not picture perfection.
Common Questions
Q: Does this TV support 4K at 120Hz for gaming?
No. The M450 has a 60Hz panel and HDMI 2.0 ports, so you're limited to 4K at 60Hz. It does support VRR and ALLM, but next-gen console owners won't get the full 120Hz experience.
Q: How bright does this TV get for HDR content?
The M450 peaks at 400 nits, which is on the lower end for HDR. Dolby Vision and HDR10+ are supported, but the limited brightness means HDR content won't have the same impact as it would on a brighter set.
Q: Do I need a separate streaming device with this TV?
No. Fire TV is built in, so you can access all major streaming apps directly. It also supports Apple AirPlay and Miracast if you want to cast from other devices.
Who Should Skip This
Skip this if you care about picture quality more than screen size. The 400 nits brightness and mediocre contrast ratio will disappoint anyone used to a mid-range or premium panel. Gamers who want 4K/120 support should also look elsewhere, since the 60Hz panel and HDMI 2.0 ports cap the experience. If you're picky about HDR performance or deep blacks, save up for a brighter QLED or an OLED instead.
Verdict
The Toshiba M450 is for people who want the biggest possible screen without spending a fortune. It's a great fit for bright living rooms where you're mostly streaming shows, watching sports, or hosting movie nights where the sheer size is the main event. The Fire TV integration is genuinely convenient, and the audio is better than expected. Just don't buy this expecting a home theater reference display. It's a big, friendly, budget TV that does the basics well and skips the fancy stuff.