Toshiba M450 QLED 43M450SU 42.5"
The REGZA AI Engine ZR Gen4 processor and QLED panel deliver calibrated color accuracy, while Dolby Vision and Atmos support provide a complete cinematic format package at a budget-friendly price. The integrated Fire TV platform with hands-free Alexa and Apple AirPlay offers seamless smart home control and content discovery without external devices. This 43-inch 4K TV is best for apartment dwellers or bedroom setups where a compact screen, strong streaming app integration, and voice control are prioritized over high brightness or advanced gaming specs.
Snapshot
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 7 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Display
| Size | 42.5" |
| Resolution | 4K |
| Panel Type | QLED |
| Backlight | Direct LED |
| Curved | No |
Picture Quality
| Brightness | 300 nits |
| Contrast Ratio | 4000:1 |
| Color Gamut | 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 |
| Works With | Amazon Alexa, Apple Home, Ring |
Audio
| Speaker Config | 2 |
| Wattage | 14 |
| Dolby Atmos | Yes |
| Surround Sound | Dolby Atmos |
| eARC | Yes |
Connectivity
| HDMI Ports | 3 |
| HDMI Version | 2 |
| USB Ports | 2 |
| Wi-Fi | Wi-Fi 5 |
| Bluetooth | 5.3 |
| Ethernet | Yes |
| Optical Audio | Yes |
| VESA Mount | 200x300 |
Power & Size
| Power | 200 |
| Energy Star | No |
| Annual Energy | 200 |
| Weight | 5.9 kg / 13.0 lbs |
vs Competition
| Spec | Toshiba M450 QLED 43M450SU 42.5" | TCL QM6K Series 55QM6K | Sony BRAVIA 5 K55XR50 | Hisense U8 55U8QG | Samsung Neo QLED QN70F | LG QNED evo AI 75QNED85AUA |
|---|---|---|---|---|---|---|
| Screen Size | 42.5 | 55 | 55 | 55 | 55 | 75 |
| Resolution | 4K | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | QLED | QLED | Mini-LED | Mini-LED | Mini-LED | Mini-LED |
| Refresh Rate | 60 | 144 | 120 | 165 | 120 | 120 |
| Hdr | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR10+, HDR10, HLG | Dolby Vision, HDR10, HLG | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | HDR10+ | HDR10, HLG |
| Smart Platform | Fire TV | Google TV | Google TV | Google TV | Tizen | webOS |
| Dolby Vision | true | true | true | true | false | false |
| 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 43M450SU 42.5" | 77.5 | 75.6 | 89.1 | 52.4 | 18.4 | 67.1 | 63.9 | 36.7 |
| TCL QM6K Series 55QM6K Compare | 98.9 | 89 | 97.6 | 93.7 | 77.2 | 89.7 | 88.7 | 98.8 |
| Sony BRAVIA 5 K55XR50 Compare | 97.2 | 92.8 | 90.5 | 80.3 | 79.2 | 93.1 | 88.7 | 93.8 |
| Hisense U8 55U8QG Compare | 91.8 | 98.3 | 95.9 | 95.3 | 79.2 | 87 | 83 | 99.5 |
| Samsung Neo QLED QN70F Compare | 71.7 | 79.6 | 93.6 | 89.1 | 79.2 | 89.7 | 88.7 | 79.8 |
| LG QNED evo AI 75QNED85AUA Compare | 64.3 | 77.2 | 90.5 | 85.5 | 89.4 | 96.8 | 83 | 79.8 |
