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2026 comparison
Updated Jan 16, 2026
|Sources: Amazon, ManufacturerTCL Class S4 4K LED Smart TV (S4 / S450G) vs Samsung OLED S90D Series (2024)
Time to compare TCL Class S4 4K LED Smart TV (S4 / S450G) with Samsung OLED S90D Series (2024). We will cover the essentials so you can buy with confidence.
Ratings: 4.5★ vs 4★
As an Amazon Associate I earn from qualifying purchases.
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)
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Samsung OLED S90D Series (2024)
★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)
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Comparison: TCL Class S4 4K LED Smart TV (S4 / S450G) vs Samsung OLED S90D Series (2024)
TCL Class S4 4K LED Smart TV (S4 / S450G)
★4.5(1,708)Amazon
Samsung OLED S90D Series (2024)
★4(953)Amazon
| Criterion | TCL Class S4 4K LED Smart TV (S4 / S450G) | Samsung OLED S90D Series (2024) |
|---|---|---|
| Rating | ★4.5(1,708)Amazon | ★4(953)Amazon |
Screen Size | 43" / 50" / 55" / 58" / 65" / 75" / 85" | 42" / 48" / 55" / 65" / 77" / 83" |
Resolution | 4K (2160p / 3840 x 2160) | 4K (3,840 x 2,160) |
Screen Type | LED LCD (Direct-lit LED backlight; typically VA panel) | QD-OLED (55"/65"/77"); WOLED (42"/48"/83") – US Market standard distribution |
Refresh Rate | 60 Hz native (Motion Rate 120) | 144 Hz native (PC); 120 Hz (Consoles) |
Processor | Quad Core Processor 4K | NQ4 AI Gen2 Processor |
Upscaling | 4K Upscaling | 4K AI Upscaling (20 neural networks) |
HDR Formats | Dolby Vision, HDR10, HLG (No HDR10+) | OLED HDR+, HDR10+, HLG (No Dolby Vision) |
Peak Brightness | ≈250 nits (SDR/HDR Real Scene) – Limited brightness | ≈1,200 nits (QD-OLED HDR 2% window); ≈700-800 nits (WOLED models) – varies by panel type |
Local Dimming | No | No (Self-illuminating pixels) |
Contrast | High native contrast (≈5000:1 to 8000:1 depending on size/unit) | Infinite (Perfect Black) |
Color Gamut | Standard (≈75% DCI-P3); No Wide Color Gamut | ≈99% DCI-P3 (QD-OLED models); ≈96-98% DCI-P3 (WOLED models) |
HDMI Ports | 3x HDMI | 4x HDMI 2.1 (All ports support 4K@144Hz) |
HDMI 2 1 | No (HDMI 2.0 bandwidth on all ports); eARC supported on HDMI 1 | Yes (4 ports) |
VRR | No | Yes (FreeSync Premium, G-SYNC Compatible, VRR) |
Allm | Yes (Auto Low Latency Mode) | Yes (Auto Game Mode) |
Input Lag | ≈11 ms @ 4K 60Hz (Game Mode) | ≈10 ms @ 60Hz; ≈5 ms @ 120Hz; ≈3 ms @ 144Hz |
Audio Channels | 2.0 Channel | 2.1 Channel |
Audio Power | 20 W (10W + 10W); 30 W (15W + 15W) on 85-inch model | 40 W |
Audio Features | Dolby Atmos pass-through; DTS Virtual:X; Dolby Digital Plus | Dolby Atmos; Object Tracking Sound Lite (OTS Lite); Q-Symphony; Active Voice Amplifier Pro |
Smart Platform | Google TV (Android TV) | Samsung Tizen OS (2024) |
App Store | Google Play Store | Samsung Smart Hub (Tizen); Samsung Gaming Hub |
Voice Assistants | Google Assistant (Built-in); Works with Amazon Alexa | Alexa Built-in; Bixby; Works with Google Assistant |
Casting | Chromecast Built-in; Apple AirPlay | Apple AirPlay 2; Multi View; Tap View |
Connectivity | Wi-Fi 5 (802.11ac); Bluetooth 5.0; Ethernet (LAN); Optical Audio Out | Wi-Fi 5 (802.11ac); Bluetooth 5.2; Ethernet (LAN); Optical Audio |
Tuner | ATSC 1.0 / Clear QAM | ATSC 3.0 (NextGen TV) / Clear QAM |
Vesa | 200x200 mm (43"/50"/55"); 300x300 mm (58"); 400x300 mm (65"); 400x400 mm (75"); 600x400 mm (85") | 300 x 200 mm (55"/65"); 400 x 300 mm (77"); 400 x 400 mm (83") |
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 | 65": 56.9 x 35.3 x 10.4 in; 77": 67.6 x 41.3 x 11.3 in |
Weight | 55": 22.5 lbs; 65": 30.6 lbs; 75": 50.1 lbs (with stand) | 65": 49.6 lbs; 77": 88.2 lbs (with stand) |
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TCL Class S4 4K LED Smart TV (S4 / S450G)
Rating:★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
HDR Formats:Dolby Vision, HDR10, HLG (No HDR10+)
Peak Brightness:≈250 nits (SDR/HDR Real Scene) – Limited brightness
Local Dimming:No
Contrast:High native contrast (≈5000:1 to 8000:1 depending on size/unit)
Color Gamut:Standard (≈75% DCI-P3); No Wide Color Gamut
HDMI Ports:3x HDMI
HDMI 2 1:No (HDMI 2.0 bandwidth on all ports); eARC supported on HDMI 1
VRR:No
Allm:Yes (Auto Low Latency Mode)
Input Lag:≈11 ms @ 4K 60Hz (Game Mode)
Audio Channels:2.0 Channel
Audio Power:20 W (10W + 10W); 30 W (15W + 15W) on 85-inch model
Audio Features:Dolby Atmos pass-through; DTS Virtual:X; Dolby Digital Plus
Smart Platform:Google TV (Android TV)
App Store:Google Play Store
Voice Assistants:Google Assistant (Built-in); Works with Amazon Alexa
Casting:Chromecast Built-in; Apple AirPlay
Connectivity:Wi-Fi 5 (802.11ac); Bluetooth 5.0; Ethernet (LAN); Optical Audio Out
Tuner:ATSC 1.0 / Clear QAM
Vesa:200x200 mm (43"/50"/55"); 300x300 mm (58"); 400x300 mm (65"); 400x400 mm (75"); 600x400 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
Weight:55": 22.5 lbs; 65": 30.6 lbs; 75": 50.1 lbs (with stand)
✓ Pros:
- • Excellent native contrast ratio produces deep blacks (VA panel)
- • Google TV interface is fast, modern, and app-rich
- • Supports Dolby Vision and Dolby Atmos (rare at this price point)
- • Very low input lag (~11ms) makes it decent for casual gaming
✗ Cons:
- • Low peak brightness (~250 nits) means HDR content lacks 'pop'
- • No local dimming to improve dark scene performance further
- • Narrow viewing angles (picture washes out from the side)
- • Limited to 60Hz with no VRR or HDMI 2.1 bandwidth for next-gen consoles
As an Amazon Associate I earn from qualifying purchases.
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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
As an Amazon Associate I earn from qualifying purchases.
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Which one is better?
Overall, TCL Class S4 4K LED Smart TV (S4 / S450G) delivers better satisfaction. Samsung OLED S90D Series (2024) is still a quality option with specific strengths worth considering.
Who should buy each?
For performance and polish: TCL Class S4 4K LED Smart TV (S4 / S450G) (Excellent native contrast ratio produces deep blacks (VA panel), Google TV interface is fast, modern, and app-rich)
For value or versatility: Samsung OLED S90D Series (2024) (Perfect black levels and infinite contrast (all sizes), QD-OLED models (55"-77") deliver class-leading color brightness and volume)
Conclusion
We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.
Frequently Asked Questions
+Which has better value?
TCL Class S4 4K LED Smart TV (S4 / S450G) excels if you value excellent native contrast ratio produces deep blacks (va panel). Samsung OLED S90D Series (2024) is better if you prioritize perfect black levels and infinite contrast (all sizes). 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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