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

TCL Class S4 4K LED Smart TV (S4 / S450G) vs Sony BRAVIA XR X90L Full Array LED 4K TV (2023)

The TCL Class S4 4K LED Smart TV (S4 / S450G) is the budget option here, but it surprisingly delivers deep blacks with a high native contrast ratio of around 5000:1. In contrast, the Sony BRAVIA XR X90L Full Array LED 4K TV (2023) offers a stunning peak brightness of approximately 1200 nits, making HDR content really pop. If you're serious about picture quality, this difference in brightness is a game changer. Key specs: Refresh: 60 Hz vs 120 Hz and HDMI: 3 ports vs 4 ports.

Why compare these? The TCL Class S4 4K LED Smart TV (S4 / S450G) (budget-friendly) and Sony BRAVIA XR X90L Full Array LED 4K TV (2023) (high-end) 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.

⚡ Refresh: 60 Hz vs 120 Hz🔌 HDMI: 3 ports vs 4 ports📺 Peak Brightness: 250 nits vs 1200 nits

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Key Differences at a Glance

AspectTCL ClassSony BRAVIA
User Rating4.5★ (1,708 reviews)4.4★ (995 reviews)
Top StrengthExcellent native contrast ratio produces deep blacks (VA panel)Cognitive Processor XR delivers industry-leading upscaling and motion processing
Main DrawbackLow peak brightness (~250 nits) means HDR content lacks 'pop'Only two HDMI 2.1 ports, and one is shared with eARC (challenging for users with 2+ consoles and a soundbar)
Market PositionBudgetPremium
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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Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
Screen Size

55" / 65" / 75" / 85" / 98"

Resolution

4K (3840 x 2160)

Screen Type

LED LCD (VA Panel; Full Array Local Dimming)

Refresh Rate

120 Hz native

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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"
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
55" / 65" / 75" / 85" / 98"
ResolutionKey
TCL Class S4 4K LED Smart TV (S4 / S450G)
4K (2160p / 3840 x 2160)
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
4K (3840 x 2160)
Panel TypeKey
TCL Class S4 4K LED Smart TV (S4 / S450G)
LED LCD (Direct-lit LED backlight; typically VA panel)
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
LED LCD (VA Panel; Full Array Local Dimming)
Refresh Rate
TCL Class S4 4K LED Smart TV (S4 / S450G)
60 Hz native (Motion Rate 120)
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
120 Hz native
Peak Brightness
TCL Class S4 4K LED Smart TV (S4 / S450G)
≈250 nits (SDR/HDR Real Scene) – Limited brightness
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
≈775 nits (SDR Real Scene); ≈1,200 nits (HDR 10% Window) – Brighter than previous X90K
Contrast
TCL Class S4 4K LED Smart TV (S4 / S450G)
High native contrast (≈5000:1 to 8000:1 depending on size/unit)
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
≈42,000:1 (with Local Dimming enabled) – Excellent black levels for non-OLED
Color Gamut
TCL Class S4 4K LED Smart TV (S4 / S450G)
Standard (≈75% DCI-P3); No Wide Color Gamut
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
≈90% DCI-P3 (XR Triluminos Pro)
Local Dimming
TCL Class S4 4K LED Smart TV (S4 / S450G)
No
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
Yes (Full Array Local Dimming; Zone count varies by size)
Upscaling
TCL Class S4 4K LED Smart TV (S4 / S450G)
4K Upscaling
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
XR 4K Upscaling (XR Clear Image)
Software1 specs
Smart Platform
TCL Class S4 4K LED Smart TV (S4 / S450G)
Google TV (Android TV)
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
Google TV (Android 10)
Connectivity2 specs
HDMI Ports
TCL Class S4 4K LED Smart TV (S4 / S450G)
3x HDMI
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
4x HDMI (2x HDMI 2.1; 2x HDMI 2.0b)
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
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
Yes (Ports 3 & 4 only support 4K@120Hz)
Gaming2 specs
VRR
TCL Class S4 4K LED Smart TV (S4 / S450G)
No
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
Yes (HDMI Forum VRR, G-SYNC Compatible)
Input Lag
TCL Class S4 4K LED Smart TV (S4 / S450G)
≈11 ms @ 4K 60Hz (Game Mode)
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
≈18 ms @ 4K 60Hz; ≈9 ms @ 4K 120Hz
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
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
30 W (10W x 2 Full Range + 5W x 2 Tweeters)
Audio Features
TCL Class S4 4K LED Smart TV (S4 / S450G)
Dolby Atmos pass-through; DTS Virtual:X; Dolby Digital Plus
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
Acoustic Multi-Audio; Dolby Atmos; Acoustic Center Sync (with compatible Sony soundbars); DTS Digital Surround
Performance1 specs
Processor
TCL Class S4 4K LED Smart TV (S4 / S450G)
Quad Core Processor 4K
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
Cognitive Processor XR
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)
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)
65": 55.1 lbs; 75": 78.5 lbs; 85": 109.3 lbs; 98": 151.8 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 Sony BRAVIA XR X90L Full Array LED 4K TV (2023)

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

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

4.5(1,708)Amazon
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)

Sony BRAVIA XR X90L Full Array LED 4K TV (2023)

4.4(995)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
Sony BRAVIA XR X90L Full Array LED 4K TV (2023)

Sony BRAVIA XR X90L Full Array LED 4K TV (2023)

4.4(995)Amazon
Screen Size

55" / 65" / 75" / 85" / 98"

Resolution

4K (3840 x 2160)

Screen Type

LED LCD (VA Panel; Full Array Local Dimming)

Refresh Rate

120 Hz native

Processor

Cognitive Processor XR

Upscaling

XR 4K Upscaling (XR Clear Image)

Pros

  • Cognitive Processor XR delivers industry-leading upscaling and motion processing
  • Significantly brighter than previous models, making HDR highlights pop

Cons

  • Only two HDMI 2.1 ports, and one is shared with eARC (challenging for users with 2+ consoles and a soundbar)
  • Viewing angles are narrow (VA panel typical; picture washes out from sides)

Which one is better?

The Sony BRAVIA XR X90L Full Array LED 4K TV (2023) is the better buy for most people - its peak brightness of 1200 nits crushes the TCL Class S4 4K LED Smart TV (S4 / S450G) at 250 nits. That said, grab the TCL if you want to save money and still enjoy good performance for casual viewing.

Who should buy each?

Choose the TCL Class S4 4K LED Smart TV (S4 / S450G) if: you want a budget-friendly option, enjoy deep blacks in dark rooms, or need a low input lag for casual gaming. (60 Hz refresh, 3 ports hdmi)
Choose the Sony BRAVIA XR X90L Full Array LED 4K TV (2023) if: you watch a lot of HDR content, prioritize bright and vibrant colors, or need advanced upscaling for varied media. (120 Hz refresh, 4 ports hdmi)

A

Quality Seekers

Higher user rating (4.5★ vs 4.4★) indicates better overall satisfaction

→ Choose TCL Class

A

Safe Choice Buyers

More widely tested with 1,708 reviews vs 995

→ Choose TCL Class

B

Premium Buyers

Higher-tier option with more premium features and build quality

→ Choose Sony BRAVIA

A

Value Seekers

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

→ Choose TCL Class

Conclusion

With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.

Bottom line: The TCL Class S4 4K LED Smart TV (S4 / S450G) edges ahead with a 4.5★ rating compared to 4.4★. However, Sony BRAVIA XR X90L Full Array LED 4K TV (2023) 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 Sony BRAVIA XR X90L Full Array LED 4K TV (2023)?

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). Sony BRAVIA XR X90L Full Array LED 4K TV (2023) wins if you value cognitive processor xr delivers industry-leading upscaling and motion processing. Both are rated highly (4.5★ vs 4.4★), so consider your specific needs and budget.

+What are the main differences between TCL Class S4 4K LED Smart TV (S4 / S450G) and Sony BRAVIA XR X90L Full Array LED 4K TV (2023)?

Key differences: TCL Class S4 4K LED Smart TV (S4 / S450G) offers excellent native contrast ratio produces deep blacks (va panel), while Sony BRAVIA XR X90L Full Array LED 4K TV (2023) stands out with cognitive processor xr delivers industry-leading upscaling and motion processing. Consider that TCL Class S4 4K LED Smart TV (S4 / S450G) low peak brightness (~250 nits) means hdr content lacks 'pop'. Meanwhile, Sony BRAVIA XR X90L Full Array LED 4K TV (2023) only two hdmi 2.1 ports, and one is shared with earc (challenging for users with 2+ consoles and a soundbar). 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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