TV Comparisons
Samsung U7900F vs Samsung U8000F vs Samsung Q7F: Which One Should You Buy?
Samsung’s 55-inch U7900F, U8000F and Q7F are budget-oriented 4K TVs built around 60 Hz panels, HDR10+ and Tizen. The U7900F covers the essentials but has only two HDMI inputs. The U8000F is the more flexible Crystal UHD option because it adds a third HDMI input, and it produced the preferred sports colors and a contrast-rich presentation in several demonstrations. The Q7F costs more but adds quantum-dot color, the Q4 AI Processor, stronger visible shadow detail, a SolarCell remote and adjustable stand positions. None of the three 55-inch models has hardware local dimming or a native refresh rate above 60 Hz.
Samsung U7900F vs U8000F vs Q7F: Which Budget Samsung TV Is Right for You?
Samsung’s 55-inch U7900F, U8000F and Q7F are budget-oriented 4K TVs built around 60 Hz panels, HDR10+ and Tizen. The U7900F covers the essentials but has only two HDMI inputs. The U8000F is the more flexible Crystal UHD option because it adds a third HDMI input, and it produced the preferred sports colors and a contrast-rich presentation in several demonstrations. The Q7F costs more but adds quantum-dot color, the Q4 AI Processor, stronger visible shadow detail, a SolarCell remote and adjustable stand positions. None of the three 55-inch models has hardware local dimming or a native refresh rate above 60 Hz.
| Feature | U7900F | U8000F | Q7F | What it means |
|---|---|---|---|---|
| 55-inch display technology | Samsung U7900F: Crystal UHD LED LCD | Samsung U8000F: Crystal UHD LED LCD | Samsung Q7F: Quantum-dot QLED LCD | It is the only model with a quantum-dot color system. |
| 55-inch native refresh rate | Samsung U7900F: 60 Hz | Samsung U8000F: 60 Hz | Samsung Q7F: 60 Hz | All three 55-inch models use native 60 Hz panels. |
| Maximum refresh rate at native 4K resolution | Samsung U7900F: 60 Hz | Samsung U8000F: 60 Hz | Samsung Q7F: 60 Hz at 55 inches | Each tested size accepts a maximum of 4K at 60 Hz. |
| Picture processor | Samsung U7900F: Crystal Processor 4K | Samsung U8000F: Crystal Processor 4K | Samsung Q7F: Q4 AI Processor | The Q7F adds scene-based AI picture processing and stronger visible shadow detail in the demonstrations. |
| Hardware local dimming | Samsung U7900F: No | Samsung U8000F: No | Samsung Q7F: No | None has zone-based local-dimming hardware. |
| HDMI inputs | Samsung U7900F: 2 | Samsung U8000F: 3 | Samsung Q7F: 3 | Both support one more connected HDMI source than the U7900F. |
| Sports color preference | Samsung U7900F: Appealing but not preferred in the sports demonstration | Samsung U8000F: Preferred overall sports colors | Samsung Q7F: Brighter and more natural-looking | Tech Steve preferred its overall colors during the sports comparison. |
| Shadow-detail visibility | Samsung U7900F: Least visible detail in the lower-resolution building scene | Samsung U8000F: Improved over U7900F | Samsung Q7F: Most visible building and test-pattern detail | It retained the clearest shadow information and small contrast details. |
| Stand flexibility | Samsung U7900F: Fixed feet | Samsung U8000F: Fixed feet | Samsung Q7F: Adjustable width and height at 55 inches | Its adjustable feet accommodate more furniture arrangements and can create additional soundbar clearance. |
| Included remote | Samsung U7900F: TM2240A battery-powered IR Simple Remote | Samsung U8000F: TM2240A battery-powered IR Simple Remote | Samsung Q7F: TM2560E rechargeable SolarCell Remote | The SolarCell remote is rechargeable and supports voice control. |
| Built-in audio | Samsung U7900F: 2.0-channel, 20 watts | Samsung U8000F: 2.0-channel, 20 watts | Samsung Q7F: 2.0-channel, 20 watts | All three have the same basic speaker-channel and output specification. |
| Overall best choice | Samsung U7900F: Best suited to simple two-device setups | Samsung U8000F: Practical balance of connectivity and contrast-rich presentation | Samsung Q7F: Best shadow detail, stand flexibility and feature set | The right choice depends on whether the priority is lower-cost simplicity, balanced value or the Q7F’s added picture and convenience features. |
Crystal UHD U7900F 4K Smart TV
A 60 Hz Crystal UHD television with HDR10+, Tizen, ALLM and eARC for basic streaming and casual gaming setups.
Key technology
Crystal Processor 4KProcesses color and upscales lower-resolution sources for display on the 4K panel.
MetalStream DesignSamsung's thin-bezel metal exterior design.
Motion Xcelerator 60HzMotion processing for the television's 60 Hz panel; it does not create a higher native refresh rate.
Color BoosterSamsung picture processing intended to increase perceived color intensity.
Object Tracking Sound LiteVirtual audio processing designed to make sound appear to follow on-screen action.
Q-SymphonyAllows the TV speakers and a compatible Samsung soundbar to play together.
Samsung Knox SecuritySamsung's software security platform for protecting TV credentials, apps and connected-device information.
Buyer advantages
- All three provide 4K resolution, HDR10+, ALLM, eARC and Samsung’s Tizen platform
- U8000F and Q7F include three HDMI inputs
- Q7F retained the most visible shadow and small contrast detail in test patterns
- Q7F adds quantum-dot color, adjustable feet and a rechargeable SolarCell remote
- Native 4K footage looked detailed across all three TVs
Things to consider
- All three 55-inch models are limited to a native 60 Hz refresh rate
- None of the three has hardware local dimming
- Some side blotchiness was visible on all three samples during the dirty-screen test
- U7900F provides only two HDMI inputs
- Q7F costs more without adding 4K 120 Hz support at 55 inches
Sizes, mounting and buying details
| Size / model | Peak HDR | VESA | Feet width | Viewing distance | Buy |
|---|---|---|---|---|---|
| 43"UN43U7900FFXZA | — | 200 x 200 | 24.1 in | 4.9–6.7 ft | — |
| 50"UN50U7900FFXZA | — | 200 x 200 | 29.4 in | 5.7–7.8 ft | — |
| 55"UN55U7900FFXZA | — | 200 x 200 | 32 in | 6.3–8.6 ft | — |
| 58"UN58U7900FFXZA | — | 200 x 200 | 34.8 in | 6.6–9.0 ft | — |
| 65"UN65U7900FFXZA | — | 200 x 200 | 39.6 in | 7.4–10.1 ft | — |
| 70"UN70U7900FFXZA | — | 400 x 300 | 44.2 in | 8.0–10.9 ft | — |
| 75"UN75U7900FFXZA | — | 400 x 300 | 49.2 in | 8.6–11.7 ft | — |
| 85"UN85U7900FFXZA | — | 400 x 300 | 55.6 in | 9.7–13.2 ft | — |
Complete specifications
Audio
Speaker System2.0-channel
Speaker Count2
Woofer Count0
Included SubwooferNo
Included Rear SpeakersNo
Audio Output Watts20 W
Dolby AtmosNo
Dolby Audio FormatsDolby Digital broadcast audio
Voice AssistantsBixby, Works with Amazon Alexa, Works with Google Assistant
Optional AccessoriesCompatible Samsung Q-Symphony soundbar, Samsung SlimFit camera, Samsung full-motion slim wall mount
Connectivity
HDMI Ports2
HDMI 2 1 Ports0
HDMI Inputs2
HDMI Outputs0
HDMI eARCYes
Optical Inputs0
Video PassthroughUp to 4K at 60 Hz through each HDMI input
AirPlayYes
ChromecastYes
Design & Installation
Wall Mount IncludedNo
Gaming
Native Refresh Rate Hz60 Hz
Maximum Refresh Rate Hz60 Hz
ALLMYes
Picture
Display TechnologyLED-backlit LCD marketed as Crystal UHD
Resolution3840 x 2160
Local DimmingNo
Local Dimming Zones By Size43": 0, 50": 0, 55": 0, 58": 0, 65": 0, 70": 0, 75": 0, 85": 0
HDR FormatsHDR10, HDR10+, HLG
Size Details
Dimensions Without Stand Inches37.7 x 22.0 x 3.0 in
Weight Without Stand lb14.1 lb
Dimensions Without Stand Inches43.7 x 25.3 x 3.0 in
Weight Without Stand lb17.6 lb
Dimensions Without Stand Inches48.2 x 27.9 x 3.0 in
Weight Without Stand lb21.2 lb
Dimensions Without Stand Inches50.6 x 29.5 x 3.0 in
Weight Without Stand lb26.5 lb
Dimensions Without Stand Inches56.9 x 32.7 x 3.0 in
Weight Without Stand lb31.3 lb
Dimensions Without Stand Inches61.7 x 34.5 x 3.0 in
Weight Without Stand lb41.9 lb
Dimensions Without Stand Inches65.7 x 37.7 x 3.0 in
Weight Without Stand lb49.4 lb
Dimensions Without Stand Inches74.4 x 42.7 x 3.0 in
Weight Without Stand lb63.3 lb
Smart Features
Operating SystemOne UI Tizen
ProcessorCrystal Processor 4K
Specifications
Screen Sizes43, 50, 55, 58, 65, 70, 75, 85
VESA By Size43": 200 x 200 mm, 50": 200 x 200 mm, 55": 200 x 200 mm, 58": 200 x 200 mm, 65": 200 x 200 mm, 70": 400 x 300 mm, 75": 400 x 300 mm, 85": 400 x 300 mm
Stand Width By Size43": 24.1, 50": 29.4, 55": 32, 58": 34.8, 65": 39.6, 70": 44.2, 75": 49.2, 85": 55.6
Stand Depth By Size43": 6.2, 50": 7.8, 55": 7.8, 58": 8.7, 65": 8.7, 70": 11, 75": 11, 85": 12.8
Crystal UHD U8000F 4K Smart TV
A 60 Hz Crystal UHD TV that adds a third HDMI input while retaining HDR10+, Tizen, ALLM and eARC.
Key technology
Crystal Processor 4KProcesses color and upscales lower-resolution sources for the 4K panel.
MetalStream DesignSamsung's thin-bezel metal television design.
Motion Xcelerator 60HzMotion processing for a native 60 Hz display; it is not a higher physical refresh rate.
Color BoosterSamsung processing intended to increase perceived color intensity.
Object Tracking Sound LiteVirtual audio processing that positions sound in relation to on-screen action.
Q-SymphonyCoordinates the TV speakers with a compatible Samsung soundbar.
Samsung Knox SecurityProtects credentials and connected-device information through Samsung's TV security platform.
Buyer advantages
- Three HDMI inputs accommodate an additional console, player or set-top box
- Its contrast-rich presentation produced the preferred sports colors and several strong movie scenes
- Crystal Processor 4K upscales lower-resolution sources for the 4K panel
- ALLM supports convenient console setup for 60 Hz gaming
- eARC and Q-Symphony provide useful soundbar integration
Things to consider
- The native 60 Hz panel cannot display 4K at 120 frames per second
- No hardware local dimming limits backlight control in dark scenes
- The fixed foot positions are less flexible than the Q7F’s adjustable stand
- The tested sample showed more light bleed in one dirty-screen sequence
- The basic battery-powered remote lacks the Q7F’s rechargeable SolarCell design
- VRR behavior is not clear enough to make this a dependable variable-refresh gaming choice
Sizes, mounting and buying details
| Size / model | Peak HDR | VESA | Feet width | Viewing distance | Buy |
|---|---|---|---|---|---|
| 43"UN43U8000FFXZA | — | 200 x 200 | 24.1 in | 4.9–6.7 ft | — |
| 50"UN50U8000FFXZA | — | 200 x 200 | 29.4 in | 5.7–7.8 ft | — |
| 55"UN55U8000FFXZA | — | 200 x 200 | 32 in | 6.3–8.6 ft | — |
| 58"UN58U8000FFXZA | — | 200 x 200 | 34.8 in | 6.6–9.0 ft | — |
| 65"UN65U8000FFXZA | — | 200 x 200 | 39.6 in | 7.4–10.1 ft | — |
| 70"UN70U8000FFXZA | — | 400 x 300 | — | 8.0–10.9 ft | — |
| 75"UN75U8000FFXZA | — | 400 x 300 | — | 8.6–11.7 ft | — |
| 85"UN85U8000FFXZA | — | 400 x 300 | 55.6 in | 9.7–13.2 ft | — |
Complete specifications
Audio
Speaker System2.0-channel
Speaker Count2
Woofer Count0
Included SubwooferNo
Included Rear SpeakersNo
Audio Output Watts20 W
Dolby AtmosNo
Dolby Audio FormatsDolby Digital broadcast audio
Voice AssistantsBixby, Amazon Alexa, Works with Google Assistant
Optional AccessoriesCompatible Samsung Q-Symphony soundbar, Samsung SlimFit camera, Samsung full-motion slim wall mount
Connectivity
HDMI Ports3
HDMI 2 1 Ports0
HDMI Inputs3
HDMI Outputs0
HDMI eARCYes
Optical Inputs0
Video PassthroughUp to 4K at 60 Hz through each HDMI input
AirPlayYes
ChromecastYes
Design & Installation
Wall Mount IncludedNo
Gaming
Native Refresh Rate Hz60 Hz
Maximum Refresh Rate Hz60 Hz
ALLMYes
Picture
Display TechnologyLED-backlit LCD marketed as Crystal UHD
Resolution3840 x 2160
Local DimmingNo
Local Dimming Zones By Size43": 0, 50": 0, 55": 0, 58": 0, 65": 0, 70": 0, 75": 0, 85": 0
HDR FormatsHDR10, HDR10+, HLG
Size Details
Dimensions Without Stand Inches37.7 x 22.0 x 3.0 in
Weight Without Stand lb14.1 lb
Dimensions Without Stand Inches43.7 x 25.3 x 3.0 in
Weight Without Stand lb17.6 lb
Dimensions Without Stand Inches48.2 x 27.9 x 3.0 in
Weight Without Stand lb24.9 lb
Dimensions Without Stand Inches50.6 x 29.5 x 3.0 in
Weight Without Stand lb26.5 lb
Dimensions Without Stand Inches56.9 x 32.7 x 3.0 in
Weight Without Stand lb31.3 lb
Dimensions Without Stand Inches61.7 x 34.5 x 3.0 in
Weight Without Stand lb41.9 lb
Dimensions Without Stand Inches65.7 x 37.7 x 3.0 in
Weight Without Stand lb49.4 lb
Dimensions Without Stand Inches74.4 x 42.7 x 3.0 in
Weight Without Stand lb63.3 lb
Smart Features
Operating SystemOne UI Tizen
ProcessorCrystal Processor 4K
Specifications
Screen Sizes43, 50, 55, 58, 65, 70, 75, 85
VESA By Size43": 200 x 200 mm, 50": 200 x 200 mm, 55": 200 x 200 mm, 58": 200 x 200 mm, 65": 200 x 200 mm, 70": 400 x 300 mm, 75": 400 x 300 mm, 85": 400 x 300 mm
Stand Width By Size43": 24.1, 50": 29.4, 55": 32, 58": 34.8, 65": 39.6, 85": 55.6
Stand Depth By Size43": 6.4, 50": 7.8, 55": 7.8, 58": 8.7, 65": 8.7, 70": 10.2, 75": 10.2, 85": 12.8
QLED Q7F 4K Samsung Vision AI Smart TV
A budget QLED with quantum-dot color, Q4 AI processing, three HDMI inputs, adjustable feet and a SolarCell remote.
Key technology
Q4 AI ProcessorSamsung's picture and sound processor for 4K upscaling and scene-based image optimization.
100% Color Volume with Quantum DotQuantum-dot color conversion intended to retain a wide color range at different brightness levels.
Quantum HDRSamsung's HDR processing package for HDR10, HDR10+ and HLG content.
Color Booster ProAI-assisted color processing intended to identify scenes and enhance color presentation.
Supreme UHD DimmingSoftware-based image analysis that adjusts contrast in portions of the image; it is not verified as hardware local dimming.
HDR Brightness OptimizerAdjusts HDR presentation in response to picture content and viewing conditions.
Object Tracking Sound LiteVirtual audio processing designed to follow on-screen action.
Q-SymphonyCoordinates the television speakers with a compatible Samsung soundbar.
Samsung Vision AISamsung's collection of AI-assisted picture, search, wallpaper and smart-TV features; availability varies by size and software.
Samsung Knox SecuritySamsung's security platform for protecting credentials, applications and connected devices.
Buyer advantages
- Quantum-dot color expands the color system beyond the two Crystal UHD models
- Q4 AI Processor and Quantum HDR provide more advanced picture processing
- Shadow details and small contrast-test elements remained more visible than on the U7900F and U8000F
- Adjustable foot width and height provide more placement flexibility
- Three HDMI inputs support more connected source devices
- Rechargeable SolarCell remote reduces reliance on disposable batteries
Things to consider
- The 43- through 85-inch models remain limited to 60 Hz at native 4K resolution
- No hardware local dimming means Supreme UHD Dimming should not be mistaken for a zone-based backlight
- The higher price does not add 4K 120 Hz support to the 55-inch model
- The picture appeared cooler or less crisp than the Crystal UHD models in some scenes
- The tested sample showed side blotchiness during the dirty-screen test
- Its 20-watt, two-channel audio system is not a substantial upgrade over the less expensive models
Sizes, mounting and buying details
| Size / model | Peak HDR | VESA | Feet width | Viewing distance | Buy |
|---|---|---|---|---|---|
| 43"QN43Q7FAAFXZA | — | 200 x 200 | 26.6 in | 4.9–6.7 ft | — |
| 50"QN50Q7FAAFXZA | — | 200 x 200 | 29.6 in | 5.7–7.8 ft | — |
| 55"QN55Q7FAAFXZA | — | 200 x 200 | 32.5 in | 6.3–8.6 ft | — |
| 65"QN65Q7FAAFXZA | — | 400 x 300 | 40.4 in | 7.4–10.1 ft | — |
| 75"QN75Q7FAAFXZA | — | 400 x 400 | 49.4 in | 8.6–11.7 ft | — |
| 85"QN85Q7FAAFXZA | — | 600 x 400 | 55.7 in | 9.7–13.2 ft | — |
| 98"QN98Q7FAAFXZA | — | 600 x 400 | 59.3 in | 11.2–15.2 ft | — |
Complete specifications
Audio
Speaker System2.0-channel
Speaker Count2
Woofer Count0
Included SubwooferNo
Included Rear SpeakersNo
Audio Output Watts20 W
Dolby Audio FormatsDolby Digital broadcast audio
Voice AssistantsBixby, Amazon Alexa, Works with Google Assistant
Optional AccessoriesCompatible Samsung Q-Symphony soundbar, Samsung SlimFit camera, Samsung slim-fit wall mount, Samsung studio stand on supported sizes
Connectivity
HDMI Ports3
HDMI Inputs3
HDMI Outputs0
HDMI eARCYes
Video Passthrough43- through 85-inch models accept up to 4K 60 Hz on HDMI 1/2/3; 98-inch capabilities require separate treatment because it uses a 120 Hz panel
AirPlayYes
Design & Installation
Wall Mount IncludedNo
Gaming
ALLMYes
Picture
Display TechnologyQuantum-dot LED-backlit LCD marketed as QLED
Resolution3840 x 2160
Local DimmingNo
Local Dimming Zones By Size43": 0, 50": 0, 55": 0, 65": 0, 75": 0, 85": 0, 98": 0
HDR FormatsHDR10, HDR10+, HLG
Size Details
Dimensions Without Stand Inches38.1 x 22.1 x 2.4 in
Weight Without Stand lb15 lb
Dimensions Without Stand Inches44.1 x 25.5 x 2.4 in
Weight Without Stand lb20.3 lb
Dimensions Without Stand Inches48.6 x 28.0 x 2.4 in
Weight Without Stand lb23.8 lb
Dimensions Without Stand Inches57.2 x 32.8 x 2.4 in
Weight Without Stand lb36.8 lb
Dimensions Without Stand Inches66.0 x 37.9 x 2.4 in
Weight Without Stand lb55.8 lb
Dimensions Without Stand Inches74.9 x 42.9 x 2.4 in
Weight Without Stand lb71.7 lb
Dimensions Without Stand Inches85.9 x 49.0 x 2.5 in
Weight Without Stand lb115.1 lb
Smart Features
Operating SystemTizen Smart TV
ProcessorQ4 AI Processor
Specifications
Screen Sizes43, 50, 55, 65, 75, 85, 98
VESA By Size43": 200 x 200 mm, 50": 200 x 200 mm, 55": 200 x 200 mm, 65": 400 x 300 mm, 75": 400 x 400 mm, 85": 600 x 400 mm, 98": 600 x 400 mm
Stand Width By Size43": 26.6, 50": 29.6, 55": 32.5, 65": 40.4, 75": 49.4, 85": 55.7, 98": 59.3
Stand Depth By Size43": 7.5, 50": 9.3, 55": 9.3, 65": 10.5, 75": 12.8, 85": 14.1, 98": 15.8
Which one should you buy?
The U7900F is the straightforward entry choice: it delivers 4K resolution, HDR10+, ALLM, eARC and the full Tizen experience, but its two HDMI inputs, fixed feet and basic remote make it the least flexible model. It is best for a bedroom, secondary room or simple streaming setup with only one or two connected devices. The U8000F retains the same 60 Hz Crystal UHD foundation but adds a third HDMI input, which is a meaningful everyday advantage for shoppers connecting a console, sound system and media player. Its richer-looking colors and contrast in several demonstrations make it the strongest value-oriented all-rounder of the three. The Q7F is the picture-feature upgrade. Quantum-dot color, improved shadow-detail visibility, the Q4 AI Processor, adjustable stand positions and the SolarCell remote make it the better fit for shoppers who care about image detail and convenience. Its higher price does not buy local dimming or 120 Hz gaming at 55 inches, however, and its cooler presentation was not preferred in every scene.
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