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.
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Key Differences at a Glance
| Aspect | TCL Class | Hisense U6N |
|---|---|---|
| User Rating | ✓4.5★ (1,708 reviews) | 4.2★ (924 reviews) |
| Top Strength | Excellent native contrast ratio produces deep blacks (VA panel) | Mini-LED backlight delivers significantly better contrast and black levels than standard LED competitors |
| Main Drawback | Low peak brightness (~250 nits) means HDR content lacks 'pop' | Locked to 60Hz native refresh rate (no 4K@120Hz for PS5/Xbox Series X) |
| Market Position | Budget | ✓Entry |

TCL Class S4 4K LED Smart TV (S4 / S450G)
43" / 50" / 55" / 58" / 65" / 75" / 85"
4K (2160p / 3840 x 2160)
LED LCD (Direct-lit LED backlight; typically VA panel)
60 Hz native (Motion Rate 120)

Hisense U6N Mini-LED ULED 4K Google TV (2024)
55" / 65" / 75" / 85"
4K (3840 x 2160)
Mini-LED LCD (VA on 55/65/85"; ADS/IPS on 75")
60Hz native (Motion Rate 240)
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
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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)

Hisense U6N Mini-LED ULED 4K Google TV (2024)
| Criterion | TCL Class S4 4K LED Smart TV (S4 / S450G) | Hisense U6N Mini-LED ULED 4K Google TV (2024) |
|---|---|---|
| Rating | ★4.5(1,708)Amazon | ★4.2(924)Amazon |
Screen Size | 43" / 50" / 55" / 58" / 65" / 75" / 85" | 55" / 65" / 75" / 85" |
Resolution | 4K (2160p / 3840 x 2160) | 4K (3840 x 2160) |
Screen Type | LED LCD (Direct-lit LED backlight; typically VA panel) | Mini-LED LCD (VA on 55/65/85"; ADS/IPS on 75") |
Refresh Rate | 60 Hz native (Motion Rate 120) | 60Hz native (Motion Rate 240) |
Processor | Quad Core Processor 4K | Hi-View Engine (AI-powered) |
Upscaling | 4K Upscaling | 4K Upscaling |
HDR Formats | Dolby Vision, HDR10, HLG (No HDR10+) | Dolby Vision IQ, HDR10+, HDR10, HLG |
Peak Brightness | ≈250 nits (SDR/HDR Real Scene) – Limited brightness | ≈600-700 nits (HDR Peak 10% Window); ≈500 nits (SDR Real Scene) – Brighter than typical budget LEDs |
Local Dimming | No | Yes (Full Array Local Dimming; Zone count varies by size, e.g., ~240 zones on 65") |
Contrast | High native contrast (≈5000:1 to 8000:1 depending on size/unit) | ≈40,000:1 (with Local Dimming on VA models); Significantly lower on 75" ADS model |
Color Gamut | Standard (≈75% DCI-P3); No Wide Color Gamut | ≈95% DCI-P3 (Quantum Dot Color) |
HDMI Ports | 3x HDMI | 4x HDMI |
HDMI 2 1 | No (HDMI 2.0 bandwidth on all ports); eARC supported on HDMI 1 | No (All ports are HDMI 2.0 bandwidth / 18Gbps); Features like ALLM and VRR are supported |
VRR | No | Yes (VRR works 48-60Hz; Game Mode Plus) |
Allm | Yes (Auto Low Latency Mode) | Yes (Auto Low Latency Mode) |
Input Lag | ≈11 ms @ 4K 60Hz (Game Mode) | ≈10 ms @ 4K 60Hz |
Audio Channels | 2.0 Channel | 2.0 Channel |
Audio Power | 20 W (10W + 10W); 30 W (15W + 15W) on 85-inch model | 20 W (10W x 2) |
Audio Features | Dolby Atmos pass-through; DTS Virtual:X; Dolby Digital Plus | Dolby Atmos; DTS Virtual:X; WiSA Ready |
Smart Platform | Google TV (Android TV) | Google TV (Android 12) |
App Store | Google Play Store | Google Play Store |
Voice Assistants | Google Assistant (Built-in); Works with Amazon Alexa | Google Assistant Built-in; Works with Alexa |
Casting | Chromecast Built-in; Apple AirPlay | Chromecast Built-in; Apple AirPlay 2 |
Connectivity | Wi-Fi 5 (802.11ac); Bluetooth 5.0; Ethernet (LAN); Optical Audio Out | Wi-Fi 5 (802.11ac); Bluetooth 5.3; Ethernet (LAN); Composite In (Adapter required) |
Tuner | ATSC 1.0 / Clear QAM | ATSC 1.0 (Digital) / Clear QAM (No NextGen TV/ATSC 3.0) |
Vesa | 200x200 mm (43"/50"/55"); 300x300 mm (58"); 400x300 mm (65"); 400x400 mm (75"); 600x400 mm (85") | 300 x 200 mm (55"); 400 x 300 mm (65"); 600 x 400 mm (75"); 600 x 400 mm (85") |
Dimensions With Stand | 55": 48.3 x 29.8 x 10.1 in; 65": 57.0 x 34.7 x 11.6 in; 75": 65.7 x 39.8 x 13.5 in | 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": 22.5 lbs; 65": 30.6 lbs; 75": 50.1 lbs (with stand) | 55": 28.2 lbs; 65": 43.4 lbs; 75": 60.6 lbs (with stand) |
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TCL Class S4 4K LED Smart TV (S4 / S450G)
43" / 50" / 55" / 58" / 65" / 75" / 85"
4K (2160p / 3840 x 2160)
LED LCD (Direct-lit LED backlight; typically VA panel)
60 Hz native (Motion Rate 120)
Quad Core Processor 4K
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)
55" / 65" / 75" / 85"
4K (3840 x 2160)
Mini-LED LCD (VA on 55/65/85"; ADS/IPS on 75")
60Hz native (Motion Rate 240)
Hi-View Engine (AI-powered)
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)
Quality Seekers
Higher user rating (4.5★ vs 4.2★) indicates better overall satisfaction
→ Choose TCL Class
Safe Choice Buyers
More widely tested with 1,708 reviews vs 924
→ Choose TCL Class
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Hisense U6N
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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