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2026 comparison
Updated Jan 27, 2026
|Sources: Amazon, Manufacturer

TCL Class S4 4K LED Smart TV (S4 / S450G) vs Hisense U6N Mini-LED ULED 4K Google TV (2024)

In the TCL Class S4 4K LED Smart TV (S4 / S450G) vs Hisense U6N Mini-LED ULED 4K Google TV (2024) showdown, the Hisense takes the edge with its superior peak brightness of 600-700 nits compared to TCL's 250 nits. This brightness boost means HDR content pops more on the Hisense, making it a better option for bright rooms. The TCL Class S4 offers a strong native contrast ratio between 5000:1 and 8000:1, which is impressive for a budget option. However, without local dimming and limited brightness, it struggles to deliver the same visual impact in HDR as the Hisense, which boasts a staggering contrast ratio of 40,000:1, making it a stands out for dark scenes and cinematic experiences. Key specs: HDMI: 3 ports vs 4 ports and Peak Brightness: 250 nits vs 600-700 nits.

Why compare these? The TCL Class S4 4K LED Smart TV (S4 / S450G) (budget-friendly) and Hisense U6N Mini-LED ULED 4K Google TV (2024) (entry-level) represent different approaches to tvs. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.

🔌 HDMI: 3 ports vs 4 ports🌈 HDR Formats: 2 vs 4⚖️ Weight: 30.6 lb vs 43.4 lb

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Key Differences at a Glance

AspectTCL ClassHisense U6N
User Rating4.5★ (1,708 reviews)4.2★ (924 reviews)
Top StrengthExcellent native contrast ratio produces deep blacks (VA panel)Mini-LED backlight delivers significantly better contrast and black levels than standard LED competitors
Main DrawbackLow peak brightness (~250 nits) means HDR content lacks 'pop'Locked to 60Hz native refresh rate (no 4K@120Hz for PS5/Xbox Series X)
Market PositionBudgetEntry
TCL Class S4 4K LED Smart TV (S4 / S450G)
Screen Size

43" / 50" / 55" / 58" / 65" / 75" / 85"

Resolution

4K (2160p / 3840 x 2160)

Screen Type

LED LCD (Direct-lit LED backlight; typically VA panel)

Refresh Rate

60 Hz native (Motion Rate 120)

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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.

Display9 specs
Screen SizeKey
TCL Class S4 4K LED Smart TV (S4 / S450G)
43" / 50" / 55" / 58" / 65" / 75" / 85"
Hisense U6N Mini-LED ULED 4K Google TV (2024)
55" / 65" / 75" / 85"
ResolutionKey
TCL Class S4 4K LED Smart TV (S4 / S450G)
4K (2160p / 3840 x 2160)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
4K (3840 x 2160)
Panel TypeKey
TCL Class S4 4K LED Smart TV (S4 / S450G)
LED LCD (Direct-lit LED backlight; typically VA panel)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
Mini-LED LCD (VA on 55/65/85"; ADS/IPS on 75")
Refresh Rate
TCL Class S4 4K LED Smart TV (S4 / S450G)
60 Hz native (Motion Rate 120)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
60Hz native (Motion Rate 240)
HDR FormatsKey
TCL Class S4 4K LED Smart TV (S4 / S450G)
Dolby Vision, HDR10, HLG (No HDR10+)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
Dolby Vision IQ, HDR10+, HDR10, HLG
Peak Brightness
TCL Class S4 4K LED Smart TV (S4 / S450G)
≈250 nits (SDR/HDR Real Scene) – Limited brightness
Hisense U6N Mini-LED ULED 4K Google TV (2024)
≈600-700 nits (HDR Peak 10% Window); ≈500 nits (SDR Real Scene) – Brighter than typical budget LEDs
Contrast
TCL Class S4 4K LED Smart TV (S4 / S450G)
High native contrast (≈5000:1 to 8000:1 depending on size/unit)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
≈40,000:1 (with Local Dimming on VA models); Significantly lower on 75" ADS model
Color Gamut
TCL Class S4 4K LED Smart TV (S4 / S450G)
Standard (≈75% DCI-P3); No Wide Color Gamut
Hisense U6N Mini-LED ULED 4K Google TV (2024)
≈95% DCI-P3 (Quantum Dot Color)
Local Dimming
TCL Class S4 4K LED Smart TV (S4 / S450G)
No
Hisense U6N Mini-LED ULED 4K Google TV (2024)
Yes (Full Array Local Dimming; Zone count varies by size, e.g., ~240 zones on 65")
Software1 specs
Smart Platform
TCL Class S4 4K LED Smart TV (S4 / S450G)
Google TV (Android TV)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
Google TV (Android 12)
Connectivity2 specs
HDMI Ports
TCL Class S4 4K LED Smart TV (S4 / S450G)
3x HDMI
Hisense U6N Mini-LED ULED 4K Google TV (2024)
4x HDMI
Winner
HDMI 2.1
TCL Class S4 4K LED Smart TV (S4 / S450G)
No (HDMI 2.0 bandwidth on all ports); eARC supported on HDMI 1
Hisense U6N Mini-LED ULED 4K Google TV (2024)
No (All ports are HDMI 2.0 bandwidth / 18Gbps); Features like ALLM and VRR are supported
Gaming2 specs
VRR
TCL Class S4 4K LED Smart TV (S4 / S450G)
No
Hisense U6N Mini-LED ULED 4K Google TV (2024)
Yes (VRR works 48-60Hz; Game Mode Plus)
Input Lag
TCL Class S4 4K LED Smart TV (S4 / S450G)
≈11 ms @ 4K 60Hz (Game Mode)
Hisense U6N Mini-LED ULED 4K Google TV (2024)
≈10 ms @ 4K 60Hz
Audio2 specs
Audio Power
TCL Class S4 4K LED Smart TV (S4 / S450G)
20 W (10W + 10W); 30 W (15W + 15W) on 85-inch model
Hisense U6N Mini-LED ULED 4K Google TV (2024)
20 W (10W x 2)
Audio Features
TCL Class S4 4K LED Smart TV (S4 / S450G)
Dolby Atmos pass-through; DTS Virtual:X; Dolby Digital Plus
Hisense U6N Mini-LED ULED 4K Google TV (2024)
Dolby Atmos; DTS Virtual:X; WiSA Ready
Performance1 specs
Processor
TCL Class S4 4K LED Smart TV (S4 / S450G)
Quad Core Processor 4K
Hisense U6N Mini-LED ULED 4K Google TV (2024)
Hi-View Engine (AI-powered)
Design1 specs
Weight
TCL Class S4 4K LED Smart TV (S4 / S450G)
55": 22.5 lbs; 65": 30.6 lbs; 75": 50.1 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)
+

Full specs, pros, and cons

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

Comparison: TCL Class S4 4K LED Smart TV (S4 / S450G) vs Hisense U6N Mini-LED ULED 4K Google TV (2024)

TCL Class S4 4K LED Smart TV (S4 / S450G)

TCL Class S4 4K LED Smart TV (S4 / S450G)

4.5(1,708)Amazon
Hisense U6N Mini-LED ULED 4K Google TV (2024)

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

4.2(924)Amazon
TCL Class S4 4K LED Smart TV (S4 / S450G)

TCL Class S4 4K LED Smart TV (S4 / S450G)

4.5(1,708)Amazon
Screen Size

43" / 50" / 55" / 58" / 65" / 75" / 85"

Resolution

4K (2160p / 3840 x 2160)

Screen Type

LED LCD (Direct-lit LED backlight; typically VA panel)

Refresh Rate

60 Hz native (Motion Rate 120)

Processor

Quad Core Processor 4K

Upscaling

4K Upscaling

Pros

  • Excellent native contrast ratio produces deep blacks (VA panel)
  • Google TV interface is fast, modern, and app-rich

Cons

  • Low peak brightness (~250 nits) means HDR content lacks 'pop'
  • No local dimming to improve dark scene performance further
Hisense U6N Mini-LED ULED 4K Google TV (2024)

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

4.2(924)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

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

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)

Which one is better?

The Hisense U6N Mini-LED ULED 4K Google TV (2024) is the better buy for most people - its peak brightness of 600-700 nits crushes the TCL Class S4's 250 nits.

Who should buy each?

Choose the TCL Class S4 4K LED Smart TV (S4 / S450G) if: you want deep blacks in dark rooms, prefer a budget-friendly option, or need a low input lag for casual gaming. (3 ports hdmi)
Choose the Hisense U6N Mini-LED ULED 4K Google TV (2024) if: you watch HDR content often, need better brightness for well-lit rooms, or want superior contrast for movie nights. (4 ports hdmi)

A

Quality Seekers

Higher user rating (4.5★ vs 4.2★) indicates better overall satisfaction

→ Choose TCL Class

A

Safe Choice Buyers

More widely tested with 1,708 reviews vs 924

→ Choose TCL Class

B

Premium Buyers

Higher-tier option with more premium features and build quality

→ Choose Hisense U6N

A

Value Seekers

Better value proposition for buyers who don't need top-tier features

→ Choose TCL Class

Conclusion

There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.

Bottom line: The TCL Class S4 4K LED Smart TV (S4 / S450G) edges ahead with a 4.5★ rating compared to 4.2★. However, Hisense U6N Mini-LED ULED 4K Google TV (2024) remains a strong contender if its strengths align better with your needs.

Frequently Asked Questions

+Which is better: TCL Class S4 4K LED Smart TV (S4 / S450G) or Hisense U6N Mini-LED ULED 4K Google TV (2024)?

TCL Class S4 4K LED Smart TV (S4 / S450G) is the better choice if you prioritize excellent native contrast ratio produces deep blacks (va panel). Hisense U6N Mini-LED ULED 4K Google TV (2024) wins if you value mini-led backlight delivers significantly better contrast and black levels than standard led competitors. Both are rated highly (4.5★ vs 4.2★), so consider your specific needs and budget.

+What are the main differences between TCL Class S4 4K LED Smart TV (S4 / S450G) and Hisense U6N Mini-LED ULED 4K Google TV (2024)?

Key differences: TCL Class S4 4K LED Smart TV (S4 / S450G) offers excellent native contrast ratio produces deep blacks (va panel), while Hisense U6N Mini-LED ULED 4K Google TV (2024) stands out with mini-led backlight delivers significantly better contrast and black levels than standard led competitors. Consider that TCL Class S4 4K LED Smart TV (S4 / S450G) low peak brightness (~250 nits) means hdr content lacks 'pop'. Meanwhile, Hisense U6N Mini-LED ULED 4K Google TV (2024) locked to 60hz native refresh rate (no 4k@120hz for ps5/xbox series x). Check the detailed specs table above for a complete comparison.

+Where can US buyers get the best price?

For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.

+Is this comparison up to date?

Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 27, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.

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