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2026 comparison
Updated Jan 7, 2026
|Sources: Amazon, Manufacturer

Samsung OLED S90D Series (2024) vs Hisense U6N Mini-LED ULED 4K Google TV (2024)

The Samsung OLED S90D Series (2024) crushes the Hisense U6N Mini-LED ULED 4K Google TV (2024) when it comes to display quality, boasting a stunning 144Hz refresh rate compared to just 60Hz on the Hisense. This means smoother gameplay and a more responsive viewing experience, especially for serious gamers or movie enthusiasts. In real-world use, you'll appreciate the Samsung's peak brightness of 1200 nits in QD-OLED models, making it a powerhouse for HDR content. On the flip side, if you're looking to save money, the Hisense offers decent performance with Dolby Vision support, but it can't match the vivid colors and contrast of Samsung's premium offering.

⚡ Refresh: 144 Hz vs 60 Hz⚡ Refresh Rate: 144Hz vs 60Hz💡 Peak Brightness: 1200 nits vs 700 nits

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Samsung OLED S90D Series (2024)
Screen Size:42" / 48" / 55" / 65" / 77" / 83"
Resolution:4K (3,840 x 2,160)
Screen Type:QD-OLED (55"/65"/77"); WOLED (42"/48"/83") – US Market standard distribution
Refresh Rate:144 Hz native (PC); 120 Hz (Consoles)
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Hisense U6N Mini-LED ULED 4K Google TV (2024)
Screen Size:55" / 65" / 75" / 85"
Resolution:4K (3840 x 2160)
Screen Type:Mini-LED LCD (VA on 55/65/85"; ADS/IPS on 75")
Refresh Rate:60Hz native (Motion Rate 240)
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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display2 specs
Refresh Rate
Samsung OLED S90D Series (2024)
144 Hz native (PC); 120 Hz (Consoles)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
60Hz native (Motion Rate 240)
Resolution
Samsung OLED S90D Series (2024)
4K (3,840 x 2,160)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
4K (3840 x 2160)
Design1 specs
Weight
Samsung OLED S90D Series (2024)
65": 49.6 lbs; 77": 88.2 lbs (with stand)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
55": 28.2 lbs; 65": 43.4 lbs; 75": 60.6 lbs (with stand)
Connectivity1 specs
Connectivity
Samsung OLED S90D Series (2024)
Wi-Fi 5 (802.11ac); Bluetooth 5.2; Ethernet (LAN); Optical Audio
Hisense U6N Mini-LED ULED 4K Google TV (2024)
Wi-Fi 5 (802.11ac); Bluetooth 5.3; Ethernet (LAN); Composite In (Adapter required)
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Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: Samsung OLED S90D Series (2024) vs Hisense U6N Mini-LED ULED 4K Google TV (2024)

Samsung OLED S90D Series (2024)

Samsung OLED S90D Series (2024)

4(953)Amazon
Hisense U6N Mini-LED ULED 4K Google TV (2024)

Hisense U6N Mini-LED ULED 4K Google TV (2024)

4.3(872)Amazon
Samsung OLED S90D Series (2024)

Samsung OLED S90D Series (2024)

Rating:4(953)Amazon
Screen Size:42" / 48" / 55" / 65" / 77" / 83"
Resolution:4K (3,840 x 2,160)
Screen Type:QD-OLED (55"/65"/77"); WOLED (42"/48"/83") – US Market standard distribution
Refresh Rate:144 Hz native (PC); 120 Hz (Consoles)
Processor:NQ4 AI Gen2 Processor
Upscaling:4K AI Upscaling (20 neural networks)
HDR Formats:OLED HDR+, HDR10+, HLG (No Dolby Vision)
Peak Brightness:≈1,200 nits (QD-OLED HDR 2% window); ≈700-800 nits (WOLED models) – varies by panel type
Local Dimming:No (Self-illuminating pixels)
Contrast:Infinite (Perfect Black)
Color Gamut:≈99% DCI-P3 (QD-OLED models); ≈96-98% DCI-P3 (WOLED models)
HDMI Ports:4x HDMI 2.1 (All ports support 4K@144Hz)
HDMI 2 1:Yes (4 ports)
VRR:Yes (FreeSync Premium, G-SYNC Compatible, VRR)
Allm:Yes (Auto Game Mode)
Input Lag:≈10 ms @ 60Hz; ≈5 ms @ 120Hz; ≈3 ms @ 144Hz
Audio Channels:2.1 Channel
Audio Power:40 W
Audio Features:Dolby Atmos; Object Tracking Sound Lite (OTS Lite); Q-Symphony; Active Voice Amplifier Pro
Smart Platform:Samsung Tizen OS (2024)
App Store:Samsung Smart Hub (Tizen); Samsung Gaming Hub
Voice Assistants:Alexa Built-in; Bixby; Works with Google Assistant
Casting:Apple AirPlay 2; Multi View; Tap View
Connectivity:Wi-Fi 5 (802.11ac); Bluetooth 5.2; Ethernet (LAN); Optical Audio
Tuner:ATSC 3.0 (NextGen TV) / Clear QAM
Vesa:300 x 200 mm (55"/65"); 400 x 300 mm (77"); 400 x 400 mm (83")
Dimensions With Stand:65": 56.9 x 35.3 x 10.4 in; 77": 67.6 x 41.3 x 11.3 in
Weight:65": 49.6 lbs; 77": 88.2 lbs (with stand)

✓ Pros:

  • Perfect black levels and infinite contrast (all sizes)
  • QD-OLED models (55"-77") deliver class-leading color brightness and volume
  • Full 4K @ 144Hz support on all four HDMI 2.1 ports for PC gamers
  • Excellent reflection handling (especially on glossy QD-OLED panels)

✗ Cons:

  • No Dolby Vision support (Samsung remains exclusive to HDR10+)
  • Significant performance difference between QD-OLED and WOLED sizes
  • Tizen OS interface can feel cluttered with ads and recommendations
  • Aggressive ABL (Auto Brightness Limiter) can dim large bright scenes

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Hisense U6N Mini-LED ULED 4K Google TV (2024)

Hisense U6N Mini-LED ULED 4K Google TV (2024)

Rating:4.3(872)Amazon
Screen Size:55" / 65" / 75" / 85"
Resolution:4K (3840 x 2160)
Screen Type:Mini-LED LCD (VA on 55/65/85"; ADS/IPS on 75")
Refresh Rate:60Hz native (Motion Rate 240)
Processor:Hi-View Engine (AI-powered)
Upscaling:4K Upscaling
HDR Formats:Dolby Vision IQ, HDR10+, HDR10, HLG
Peak Brightness:≈600-700 nits (HDR Peak 10% Window); ≈500 nits (SDR Real Scene) – Brighter than typical budget LEDs
Local Dimming:Yes (Full Array Local Dimming; Zone count varies by size, e.g., ~240 zones on 65")
Contrast:≈40,000:1 (with Local Dimming on VA models); Significantly lower on 75" ADS model
Color Gamut:≈95% DCI-P3 (Quantum Dot Color)
HDMI Ports:4x HDMI
HDMI 2 1:No (All ports are HDMI 2.0 bandwidth / 18Gbps); Features like ALLM and VRR are supported
VRR:Yes (VRR works 48-60Hz; Game Mode Plus)
Allm:Yes (Auto Low Latency Mode)
Input Lag:≈10 ms @ 4K 60Hz
Audio Channels:2.0 Channel
Audio Power:20 W (10W x 2)
Audio Features:Dolby Atmos; DTS Virtual:X; WiSA Ready
Smart Platform:Google TV (Android 12)
App Store:Google Play Store
Voice Assistants:Google Assistant Built-in; Works with Alexa
Casting:Chromecast Built-in; Apple AirPlay 2
Connectivity:Wi-Fi 5 (802.11ac); Bluetooth 5.3; Ethernet (LAN); Composite In (Adapter required)
Tuner:ATSC 1.0 (Digital) / Clear QAM (No NextGen TV/ATSC 3.0)
Vesa:300 x 200 mm (55"); 400 x 300 mm (65"); 600 x 400 mm (75"); 600 x 400 mm (85")
Dimensions With Stand:55": 48.5 x 30.5 x 10.8 in; 65": 57.1 x 35.4 x 12.3 in; 75": 65.9 x 40.7 x 14.5 in
Weight:55": 28.2 lbs; 65": 43.4 lbs; 75": 60.6 lbs (with stand)

✓ Pros:

  • Mini-LED backlight delivers significantly better contrast and black levels than standard LED competitors
  • Supports all major HDR formats (Dolby Vision, HDR10+) which Samsung/LG often split
  • Respectable SDR brightness makes it suitable for rooms with some ambient light
  • Google TV interface is responsive and loaded with streaming apps

✗ Cons:

  • Locked to 60Hz native refresh rate (no 4K@120Hz for PS5/Xbox Series X)
  • Viewing angles are poor on the VA models (picture washes out from the side)
  • 75-inch model uses a different panel type (ADS) with worse contrast
  • Motion handling is strictly budget-tier (some stutter in slow panning shots)

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Which one is better?

The Samsung OLED S90D Series (2024) is the better buy for most people - its 144Hz refresh rate crushes the Hisense's 60Hz. That said, grab the Hisense if you want to save money - it's a solid budget-friendly option with decent HDR support.

Who should buy each?

Choose the Samsung OLED S90D Series (2024) if: you want the best gaming performance with 144Hz, you watch HDR content often for stunning visuals, or you appreciate perfect black levels for movie nights.
Choose the Hisense U6N Mini-LED ULED 4K Google TV (2024) if: you need a budget-friendly option, you watch a variety of content in different HDR formats, or you prefer a responsive Google TV interface for streaming. (60 Hz refresh)

Conclusion

Samsung OLED S90D Series (2024) and Hisense U6N Mini-LED ULED 4K Google TV (2024) are both solid choices. Match the strengths above to your budget and workflow to make the best call.

Frequently Asked Questions

+Which has better value?

Samsung OLED S90D Series (2024) excels if you value perfect black levels and infinite contrast (all sizes). Hisense U6N Mini-LED ULED 4K Google TV (2024) is better if you prioritize mini-led backlight delivers significantly better contrast and black levels than standard led competitors. Pick based on your budget and daily use.

+Is this an independent review?

Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.

+Do newer models exist?

Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.

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