Amazon Fire TV 4-Series 55 inch Ultra HD 4K Sma… vs Samsung The Terrace LST9D 75 inch Ultra HD 4K S…
Here you can compare Amazon Fire TV 4-Series 55 inch Ultra … and Samsung The Terrace LST9D 75 inch Ultr…. Comparing Amazon Fire TV 4-Series 55 inch Ultra … vs Samsung The Terrace LST9D 75 inch Ultr… on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Amazon Fire TV 4-Series 55 inch Ultra … stands against Samsung The Terrace LST9D 75 inch Ultr… and which one should you buy The current lowest price found for Amazon Fire TV 4-Series 55 inch Ultra … is $459.99 and for Samsung The Terrace LST9D 75 inch Ultr… is $8,318.4. The details of both of these products were last updated on Mar 11, 2026.
| Specification | Amazon Fire TV 4-Series 55 inch Ultra … | Samsung The Terrace LST9D 75 inch Ultr… |
|---|---|---|
| Storage | ||
| Smart TV | Yes | Yes |
| Number Of Speakers | 2 | |
| Refresh Rate | 60 Hz | 120 Hz |
| Size (Diagonal) | 55 in | 75 in |
| Price | $459.99 | $8,318.4 |
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General
| Model | QN75LST9DAFXZA | |
| Type | LED | QLED |
| Warranty | 1 Year | |
| In The Box | Fire TV 4-Series TV, Alexa Voice Remote Enhanced, TV stand (2 legs, 4 screws), power cord, 2 AAA batteries | |
| Launch Year | 2024 |
Display
| Size (Diagonal) | 55 in | 75 in |
| Screen Resolution | 4K, 3840 x 2160 pixels | 4K, 3840 x 2160 pixels |
| Backlight Type | Direct LED | |
| Refresh Rate | 60 Hz | 120 Hz |
| Aspect Ratio | 16:9 | |
| HDR | Yes | Yes |
| HDR Format Types | HDR10, HDR10+, HLG | HDR10, HDR10+, HLG |
| Anti Reflection | Yes | |
| Dimming Technology | Ultimate UHD Dimming |
Physical Design
| Weight (without Stand) | 9.75 kg | 50.3 kg |
| Weight (with Stand) | 9.98 kg | |
| Dimensions | 1691.64 (W) x 38.6 (H) x 2.7 (D) mm | |
| Dimensions With Stand | 1236.98 (W) x 794.51 (H) x 286.26 (D) mm |
Video
| Digital TV Reception Formats | ATSC/ClearQAM | |
| Filmmaker Mode | Yes | |
| Picture Processor | NQ4 AI Gen2 Processor | |
| Upscaling | Yes, 4K AI Upscaling | |
| Contrast Enhancement | Real Depth Enhancer | |
| Motion Enhancement | Motion Xcelerator |
Audio
| Speaker Configuration | 4.0 Channel | |
| Number Of Speakers | 2 | |
| Total Speaker Output | 20 W | 40 W |
| Output Per Speaker | 10 W | |
| Sound Technology | Dolby Audio | |
| Adaptive Sound | Yes, Adaptive Sound Pro |
Connectivity
| USB Ports | 1 | 1 |
| HDMI Ports | 4 | 3 |
| HDMI Version | 3 HDMI 2.0 + 1 HDMI 2.1 | |
| RF Input (Analog Co-axial) Ports | 1 | |
| HDMI CEC | Yes, Anynet+ | |
| HDMI Audio Return Channel | Yes, eARC | Yes, eARC (HDMI 2) |
| Optical Digital Audio Out | Yes | Yes |
| Screen Mirroring | Yes | |
| Apple AirPlay | Yes | |
| Ethernet | Yes | Yes |
Gaming
| HGiG | Yes | |
| Game Optimizer | Yes, Game Motion Plus | |
| Auto Low Latency Mode (ALLM) | Yes |
Power Supply
| Voltage Requirement | AC110-120V~ 50/60Hz | |
| Power Consumption | 255 W | |
| Power Consumption (Stand-by) | 0.5 W |
Remote Control
| Internet Access In Remote | Yes |
Smart TV Features
| Smart TV | Yes | Yes |
| Operating System (OS) | Fire OS | Tizen |
| Wi-Fi | Yes | Yes |
| Wifi Version | Wi-Fi 6 | Wi-Fi 5 |
| Voice Assistant | Yes | Yes, Alexa |
| Voice Search | Yes | |
| Bluetooth | Yes | Yes, v5.2 |
| Supported Apps | Netflix, Prime Video, YouTube, HBO Max, etc. | Netflix, Prime Video, Apple TV, HBO Max, YouTube, etc. |
| Other Smart Features | TV to Mobile, Mobile to TV, TV initiate mirroring, Sound Mirroring, Wireless TV On, Tap View |
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