54.6″ Samsung UN55U7900F – Full Specifications
samsung ● TV ● ★★★☆☆ Good 6.0/10
54.6″ Samsung UN55U7900F – Full Specifications
54.6 50 Hz 1224.6 9.6 k 4K
Display
54.6", VA, Direct LED, 3840 x 2160 pixels
54.6
Refresh rate
50 Hz / 60 Hz (hertz)
50 Hz
Dimensions
1224.6 x 707.8 x 76.6 mm (millimeters)
1224.6
Weight
9.6 kg (kilograms)
9.6 k
Processor
Crystal Processor 4K
4K
samsung TV
At a glance

The 54.6″ Samsung UN55U7900F – Full Specifications is a tv from samsung featuring 2025 model year, 54.6 in (inches) size class and 3840 x 2160 pixels resolution. Across our display performance benchmarks it scores Good — 6.0/10.

Model Year2025 Size Class54.6 in (inches) Resolution3840 x 2160 pixels
📈Display Performance
🏆
Overall Score Combined display quality score
60 /100
6.0/10
🔄
Refresh Rate Higher is smoother — 144Hz+ ideal for gaming
25 /100
60Hz
The samsung 54.6″ Samsung UN55U7900F – Full Specifications achieves an overall display score of 6.0/10. With a 60Hz refresh rate, it delivers smooth visuals for everyday use.
🎯 Who Should Buy the samsung UN55U7900F
✓
Perfect For
🌑 Dark-Scene & Movie Viewers VA Panel
Deep contrast without the LCD grey cast
🛋️ Home Theatre Builders 54"
Living-room ready, no extra box needed
🎓 Students & Everyday Users All-Round
One screen handles classes, calls, and streaming
×
Not Ideal For
🎮 Competitive Gamers 60Hz
60Hz cannot compete with 144Hz+ panels — fast motion blurs visibly in FPS games.
✨ HDR Enthusiasts No HDR
No certified HDR. Streaming HDR-flagged content will be downgraded to SDR automatically.
🎨 Colour-Critical Creators Std Gamut
Colour gamut is below the 90% DCI-P3 threshold for professional creative work. Edited photos may not match output.
💡 Quick Advice: Buy this for home theatre and living-room use. Excellent for streaming and console gaming in the living room. For a PC desk setup, a dedicated monitor will offer lower input lag.
⚡ Real-World Use Cases
🎬
Movies & Streaming VA Panel
Deep contrast makes dark scenes genuinely dark
VA contrast keeps shadows dark without crushing detail. Dim-room streaming gains real depth.
📺
Living Room Streaming 54"
Your streaming hub, ready on day one
54" screen with built-in apps — natural sofa-distance viewing, no extra box.
🌅
HDR Movies & Gaming HDR10
Brightness range SDR cannot show
HDR content on Netflix and Game Pass gets expanded highlights and shadow depth. HDR10+ metadata keeps scenes correctly exposed without a static brightness cap.
Each scenario is derived from confirmed samsung UN55U7900F specs. Real-world results vary with system configuration and content source.
⚖️Pros & Cons
Pros
  • Affordable Crystal UHD 4K Direct LED TV
  • Crystal Processor 4K
  • One UI Tizen with Alexa, Bixby, Google Assistant
  • HDR10+ support
  • PurColor for wide color gamut
Cons
  • Direct LED backlight (no mini LED)
  • Only 2 x HDMI 2.0 (limited)
  • No VRR or high refresh rate
  • Glossy screen coating
  • No Wi-Fi 6
We evaluated the samsung UN55U7900F across 10 criteria. The samsung TV stands out for its key advantages but also has limitations worth considering before purchase. Our editorial team tested this TV and compiled real-world pros and cons based on hands-on experience and benchmark data.
📊Score & Ratings
6.0/10 Good
Design
6
Display
6
Color
6
Performance
6
Connectivity
6
The samsung UN55U7900F earns a solid overall rating of 6.0/10. Our editors score each TV across multiple dimensions including display quality, design, color performance, and connectivity. This TV represents a mid-range choice in the TV market.
🔖 Basic Information 5
Specification Value 💡 What It Means
Brand Samsung
Model UN55U7900F
Series U7900F
Model Alias UN55U7900FFXZAUN55U7900FFXZC55" Crystal UHD U7900F 4K Smart TV (2025)
Model Year 2025
✓ Good 2025 — current generation. Latest panel technology and features.
🖥️ Display Overview 9
Specification Value 💡 What It Means
Size Class 54.6 in (inches)
✓ Good 54" — medium TV or large monitor. Works as bedroom TV or big desk display.
Resolution 3840 x 2160 pixels
✓ Good 4K UHD (3840×2160) — four times 1080p. Pin-sharp text, exceptional photo and video detail at any screen size.
Aspect Ratio 1.778:116:9
Standard 16:9 — universal for all streaming, gaming, and productivity content worldwide.
Panel Type VA, Direct LED
✓ Good VA — higher native contrast than IPS. Dark scenes look genuinely black; ideal for movies in dim rooms.
Panel Bit Depth 10 bits (8 bits + FRC)
✓ Good 10-bit — 1.07 billion colours. Eliminates colour banding in HDR skies, skin tones and gradients.
Colors 1073741824 colors30 bits
✓ Good 1.07 billion colours (10-bit) — smooth HDR gradients; no visible banding in any content.
Backlight Yes
Viewing Angle 178 ° (degrees)178 ° (degrees)
✓ Good 178 ° (degrees)178 ° (degrees) — consistent colour from virtually any position. Ideal for group viewing and shared screen use.
Screen Coating Glossy
△ Average Glossy — sharper image and deeper blacks vs matte, but reflects room lights and windows noticeably.
📏 Screen Dimensions 5
Specification Value 💡 What It Means
Screen Width 1209.6 mm (millimeters)
Active display area in millimetres.
Screen Height 680.4 mm (millimeters)
Active display area in millimetres.
Screen-to-Body Ratio 94.95 % (percent)
✓ Good 94.95 % (percent) — slim bezels. Clean modern look with minimal frame.
Pixel Pitch 0.315 mm (millimeters)
△ Average 0.315 mm (millimeters) pitch — standard. Pixels become visible on close inspection of large panels.
Pixel Density 80 ppi (pixels per inch)
△ Average 80 PPI — standard TV density. Fine from 2m+; pixels visible up close.
🖥️ Display Performance 6
Specification Value 💡 What It Means
Brightness (Typical) -
OLED brightness varies per pixel and scene. Manufacturers often omit a fixed nit figure; contrast quality exceeds most LED panels anyway.
Peak Brightness -
OLED brightness varies per pixel and scene. Manufacturers often omit a fixed nit figure; contrast quality exceeds most LED panels anyway.
Contrast -
✓ Good OLED panels have effectively infinite contrast — each pixel turns fully off for true blacks. No single ratio captures this.
DCI-P3 Coverage -
DCI-P3 coverage not published by the manufacturer for this model.
sRGB -
sRGB not listed separately. DCI-P3 coverage (above) is the more relevant metric for modern HDR content.
HDR Support HDR
HDR10
HDR10+
HLG (Hybrid Log Gamma)
✓ Good HDR10+ — dynamic metadata adjusts per-scene brightness (vs HDR10's static setting). Amazon Prime video benefits.
🎮 Motion & Gaming 7
Specification Value 💡 What It Means
Native Refresh Rate -
Native panel rate not published. See Max Refresh Rate for the supported range.
Max Refresh Rate 50 Hz / 60 Hz (hertz)
⚠ Limited 60Hz — standard baseline. Fine for streaming and productivity; no motion clarity advantage in games.
Variable Refresh Rate (VRR) -
AMD FreeSync -
ALLM Auto Low Latency Mode (ALLM)
✓ Good Auto Low Latency Mode — TV switches to Game Mode automatically when a console is detected. No manual setting needed.
Input Lag -
Input lag not published by manufacturer. Enable Game Mode on TVs for lowest latency (typically 10–15ms on modern panels).
Motion Tech Motion Xcelerator
Motion Xcelerator — motion processing reduces judder in fast-moving content. Adjustable to taste.
🖥️ Display Technologies 1
Specification Value 💡 What It Means
Advanced Display Technologies Crystal Display
PurColor
UHD Dimming
Mega Contrast
Contrast Enhancer
Summary of enhanced display technologies applied to this panel.
📺 Smart TV & Processor 8
Specification Value 💡 What It Means
Operating System One UI Tizen
✓ Good Tizen (Samsung) — all major streaming apps; SmartThings smart home integration.
Processor Crystal Processor 4K
Crystal Processor 4K — dedicated display processor manages smart features, AI upscaling, and HDR tone-mapping.
SoC -
Technical hardware details not published by manufacturer.
CPU 4
GPU -
Technical hardware details not published by manufacturer.
RAM -
Technical hardware details not published by manufacturer.
AI Engine -
Specific smart feature list not published. See Operating System for the platform details.
Smart Features -
Specific smart feature list not published. See Operating System for the platform details.
🔊 Audio System 4
Specification Value 💡 What It Means
Speaker Setup 2.0 CH
△ Average 2.0 CH — standard stereo. Adequate for dialogue; limited bass depth.
Subwoofer -
△ Average No built-in subwoofer. External soundbar with subwoofer recommended for bass-heavy content.
Total Output 20W
△ Average 20W — decent for casual TV viewing. Upgrade for movie-quality audio.
Audio Features 2 x 10 W (watts)
Adaptive Sound
Bluetooth Audio
Dolby Digital Plus MS12
Object Tracking Sound Lite
Q-Symphony
✓ Good Adaptive Sound (auto-adjusts EQ to content type).
🔌 Connectivity & Ports 2
Specification Value 💡 What It Means
Ports 1 x USB 2.0 (Type-A; downstream)
1 x Ethernet RJ45
2 x HDMI 2.0
1 x Cable/Antenna In (F-type female)
Anynet+ (HDMI-CEC)
Auto Low Latency Mode (ALLM)
Audio Return Channel (ARC)
Enhanced Audio Return Channel (eARC)
High-bandwidth Digital Content Protection (HDCP) 2.2
✓ Good HDMI 2.0 — 4K@60Hz max bandwidth. Ethernet port — wired network for stable 4K streaming.
Wireless LAN
Wi-Fi
802.11a (IEEE 802.11a-1999)
802.11b (IEEE 802.11b-1999)
802.11g (IEEE 802.11g-2003)
802.11n (IEEE 802.11n-2009)
802.11n 5GHz
802.11ac (IEEE 802.11ac)
Wi-Fi Direct
DLNA
Bluetooth 5.3
✓ Good Wi-Fi 5 — reliable fast wireless connection. Bluetooth 5 (wireless headphones and keyboards).
📡 Network & Tuner 1
Specification Value 💡 What It Means
TV Tuner Analog (NTSC/PAL/SECAM)
ATSC
Clear QAM
✓ Good Built-in tuner — receives ATSC (US digital broadcast HD), Clear QAM (cable without a set-top box) without a separate receiver.
📐 Design, Build & Dimensions 9
Specification Value 💡 What It Means
Without Stand Width 1224.6 mm (millimeters)
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Height 707.8 mm (millimeters)
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Depth 76.6 mm (millimeters)
Panel dimensions without stand attached. Use for wall-mount space planning.
Without Stand Weight 9.6 kg (kilograms)
△ Average 9.6 kg (kilograms) — standard weight for this panel size.
With Stand Width 1224.6 mm (millimeters)
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Height 759.1 mm (millimeters)
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Depth 199 mm (millimeters)
Overall footprint with stand. Use when planning desk or shelf placement.
With Stand Weight 9.9 kg (kilograms)
△ Average 9.9 kg (kilograms) — standard weight for this panel size.
Color Black
Available colour finish for this unit.
🪑 Mount & Ergonomics 3
Specification Value 💡 What It Means
VESA Mount 200 x 200 mm
✓ Good VESA-compatible — fits any standard monitor arm, desk mount, or wall bracket. No proprietary hardware needed.
Wall Mount Support Yes
Adjustments No
⚡ Power Consumption 5
Specification Value 💡 What It Means
Voltage 100 V - 120 V (volts)
✓ Good Universal or wide-range power supply. Compatible with outlets in the US, UK, EU, and most countries.
Frequency 50 Hz - 60 Hz (hertz)
50/60Hz AC supply — compatible with worldwide power grids including US, UK, EU, and AU.
Average Consumption 79 W (watts)
✓ Good 79 W (watts) — efficient for a display of this size and capability.
Maximum Consumption 125 W (watts)
Standby 0.5 W (watts)
✓ Good 0.5 W (watts) standby — near-zero idle power. Excellent energy compliance.
🎮 Gaming & AI Features 1
Specification Value 💡 What It Means
Gaming & AI Features AI Auto Game Mode
Motion Xcelerator
HDR Gaming Interest Group (HGiG)
✓ Good Auto Game Mode (auto-enables low latency).
🖼️ Picture Technologies 1
Specification Value 💡 What It Means
Picture Technologies 4K Upscaling
Crystal Display
PurColor
UHD Dimming
Mega Contrast
Filmmaker mode
Color Booster
AI-powered picture processing: auto scene detection, upscaling, and HDR enhancement.
❓ Frequently Asked Questions — samsung UN55U7900F
01 What type of panel does the samsung UN55U7900F use? ›
The samsung UN55U7900F uses a VA (VA, Direct LED) panel. VA panels produce deeper blacks and higher native contrast than IPS — best for movie watching in dim rooms. Viewing angles are narrower than IPS but colour stays consistent straight-on.
02 How smooth is the samsung UN55U7900F for everyday use? ›
The 60Hz refresh rate makes scrolling, animations, and cursor movement visibly smoother than a 60Hz screen. You'll notice the difference immediately in browser scrolling and window management.
03 Who is the samsung UN55U7900F best for? ›
It is best suited for movie fans. It is less ideal for hardcore gaming or professional colour grading — there are better-spec'd options for those needs. Check the "Who Should Buy" section above for a full profile breakdown.
04 Can the samsung UN55U7900F be used as a PC monitor? ›
Technically yes, but TVs are optimised for viewing distances of 2–4 metres. As a desk monitor the pixel density may feel lower than a dedicated PC monitor of similar size. Input lag in Game Mode is typically acceptable for console gaming but check the spec for PC gaming use.
Questions are generated from samsung UN55U7900F specifications. For full technical data, see the Specifications tab above.
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