TCL S5 75S551G 74.5"

★★★★★ 4.6 (257)

The TCL AIPQ Processor with deep learning AI and a High Brightness LED backlight produces crisp 4K visuals with Dolby Vision, while Motion Rate 240 with MEMC frame insertion keeps fast motion smooth. A nearly frameless metal bezel-less design and Game Accelerator 120 with 120Hz VRR and Auto Game Mode add both a premium look and responsive, low-lag gameplay. This 75-inch TV best suits streaming-focused households and smart home users who want a bright, cinematic Google TV experience with Dolby Atmos for main living spaces.

Screen 75"
Resolution 4K
Panel LED
Refresh 60 Hz
HDR HDR10, HDR10+, HLG, Dolby Vision
smart platform Google TV
dolby vision Yes
dolby atmos Yes
TCL S5 75S551G 74.5" tv
63 Overall Score

No current retailer price

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Snapshot

The 30-Second Version

The TCL S5 75S551G is a 75-inch 4K TV that's all about value. It has great HDR support, Google TV, and solid gaming features at a price well under what premium brands charge. Picture quality is average and black levels are weak, but for streaming and casual viewing in a normal room, it gets the job done. At USD 480 to USD 785, it's one of the best big-screen deals out there.

Pros & Cons

Pros

  • Excellent HDR format support including Dolby Vision and HDR10+ 96th
  • Google TV is fast and easy to navigate 94th
  • Big 75-inch screen at a budget-friendly price 87th
  • Game Accelerator 120 with VRR smooths out gameplay 73rd
  • Dolby Atmos and eARC support for audio pass-through

Cons

  • Picture quality is underwhelming compared to premium TVs
  • 60Hz native panel limits hardcore gaming performance
  • No local dimming means weak black levels
  • Audio is thin with only 15W total output
  • Outdoor viewing performance is poor

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has held steady over time
1★2★3★4★5★Q4 '24: 4.7★ · 41 reviewsQ1 '25: 4.5★ · 46 reviewsQ2 '25: 4.9★ · 33 reviewsQ3 '25: 4.4★ · 26 reviewsQ4 '25: 4.4★ · 20 reviewsQ1 '26: 4.6★ · 16 reviewsQ2 '26: 4.8★ · 6 reviewsQ3 '26: 4.8★ · 12 reviews414633262016612Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26Q3 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 200 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Let's talk numbers. The S5 uses a Direct LED backlight, which is a step above edge-lit in terms of uniformity but nowhere near the local dimming you'd find on pricier sets. Our display testing puts it at the 38th percentile, which translates to underwhelming compared to higher-end panels. Colors are decent, but black levels are where you'll notice the struggle. In a dark room watching a moody movie scene, you'll see gray where you'd want black. That said, the HDR performance is actually the standout. HDR support lands in the 96th percentile, which is genuinely impressive for this price range. Support for Dolby Vision, HDR10, HDR10+, and HLG means every streaming app will send HDR signals this TV can handle.

For gaming, the story is mixed. The panel is 60Hz native, but TCL's Game Accelerator 120 feature uses VRR to smooth things out. Input lag is low with ALLM kicking in automatically, and the HDMI 2.1 port helps future-proof things a bit. Gaming performance sits at the 57th percentile, which is solid but not spectacular. If you're a competitive gamer who needs every millisecond, this isn't your first choice. But for couch co-op or single-player adventures, it gets the job done. Motion Rate 240 with MEMC frame insertion helps with sports and fast action, though purists will want to turn it off for movies to avoid the soap opera effect."

Performance Percentiles

HDR 95.5
Audio 72.6
Smart 93.7
Gaming 57
Display 37.4
Connectivity 71.4
Social Proof 87.2
Picture Quality 36.1

Specifications

Full Specifications

Display

Size 75"
Resolution 4K
Panel Type LED
Backlight Direct LED
Curved No

Picture Quality

Motion Tech Motion Rate 240
Processor TCL AIPQ Processor

HDR

HDR Formats HDR10, HDR10+, HLG, Dolby Vision
Dolby Vision Yes
HDR10+ Yes
HLG Yes

Gaming

Refresh Rate 60 Hz
VRR ✓
ALLM Yes
Game Mode Yes

Smart TV

Platform Google TV
Voice Assistant Google Assistant, Amazon Alexa
Screen Mirroring Apple AirPlay 2

Audio

Speaker Config 2
Wattage 15
Dolby Atmos Yes
Surround Sound Dolby Atmos, Dolby Digital Plus, Dolby Digital
eARC Yes

Connectivity

HDMI Ports 3
HDMI Version 2.1
USB Ports 1
Wi-Fi Wi-Fi 5
Bluetooth 5.2
Ethernet Yes
Optical Audio Yes
VESA Mount 400x400

Power & Size

Power 437
Energy Star No
Annual Energy 437
Weight 22.9 kg / 50.5 lbs

vs Competition

If you're cross-shopping, the most obvious comparison is the Hisense U8 Series 65U8QG. Hisense's U8 line has a reputation for packing mini-LED backlighting and high brightness into affordable packages. The catch is you'd be moving down to 65 inches, but the picture quality would be noticeably better. The Samsung Neo QLED QN70F is another option if you want better contrast and brightness, though you'll pay more for the privilege and lose a bit of screen real estate at 70 inches. For pure picture quality, the LG C5 OLED55C5PUA and Sony BRAVIA XR XR77A95L are in a different league entirely, but they're also in a completely different price bracket. The Sony is the only direct size competitor at 77 inches, and it costs several times what the TCL does.

Where the S5 wins is the balance of size, features, and price. The Roku Pro Series 55R8C5 is another budget contender, but at 55 inches it's aimed at a different buyer. If your priority is getting the most inches per dollar while still having solid smart features and decent gaming support, the TCL is hard to beat. If picture quality matters more than size, you should look at the Hisense or Samsung options instead.

Spec TCL S5 75S551G 74.5" LG C5 Series OLED55C5PUA Samsung Neo QLED QN990F Sony BRAVIA XR XR77A95L Hisense U8 Series 100U8QG Roku Plus Series 55R6C7
Screen Size 75 55 75 77 99.5 55
Resolution 4K 3840x2160 7680x4320 3840x2160 3840x2160 3840x2160
Panel Type LED OLED Mini-LED QD-OLED Mini-LED QLED
Refresh Rate 60 120 120 120 165 60
Hdr HDR10, HDR10+, HLG, Dolby Vision Dolby Vision, HDR10, HLG HDR10, HDR10+, HLG HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) Dolby Vision, HDR 10+, Hybrid Log-Gamma (HLG)
Smart Platform Google TV webOS Tizen Google TV Google TV Roku TV
Dolby Vision true true false true true true
Dolby Atmos true true true true true true
Hdmi Version 2.1 2.1 2.1 2.1 2.1 2.1
Compare Compare Compare Compare Compare
Product HDRAudioSmartGamingDisplayConnectivitySocial ProofPicture Quality
TCL S5 75S551G 74.5" 95.572.693.75737.471.487.236.1
LG C5 Series OLED55C5PUA Compare 96.99490.69888.598.793.893.2
Samsung Neo QLED QN990F Compare 84.699.893.788.499.599.999.683.8
Sony BRAVIA XR XR77A95L Compare 91.295.190.686.398.68487.295.9
Hisense U8 Series 100U8QG Compare 91.298.496.194.794.786.375.698.8
Roku Plus Series 55R6C7 Compare 76.38299.85777.889.293.836.1

Price

Value & Pricing

Value is where the S5 75S551G makes its strongest case. Prices in the US right now range from USD 480 to USD 785, which is a spread of USD 305 depending on the retailer. The cheapest listing in our database comes in at USD 480, and at that price, this TV is a steal. Even at the higher end around USD 785, you're still getting a 75-inch screen with Dolby Vision and Google TV, which is hard to find elsewhere. The budget score sits at 63.4 out of 100, which reflects that this is a strong choice when price is the main consideration. Just know that you're trading picture quality for size and features at this price point.

Read more

Overview

The TCL S5 75S551G is a 75-inch 4K LED TV that sits in that sweet spot where big-screen dreams meet budget reality. It's part of TCL's S-Class lineup, which aims to pack a lot of features into a price that doesn't make your wallet cry. With support for Dolby Vision, HDR10+, and a Google TV interface, this thing checks a lot of boxes on paper. But the real question most people searching for a TV this size want answered is simple: does it actually look good when you're watching it?

Let's get the headline out of the way. This isn't an OLED and it's not trying to be. At USD 480 to USD 785 depending on where you shop, it's competing against other big-screen budget options. The picture quality scores put it around the 36th percentile in our database, which means it's middle of the pack when compared to all flat-screen TVs. That's not a knock, it's just reality. You're getting a very large screen with solid HDR support and a capable smart platform for the price of a mid-range 55-inch from a premium brand.

The smart features are where this TV genuinely shines. Google TV built in means you get a clean interface, solid app support, and voice control through both Google Assistant and Alexa. If you're looking for a big screen for streaming Netflix, YouTube, or Disney Plus, the S5 handles that job well. Just don't expect it to blow you away with brightness or contrast in a sun-drenched room."

Common Questions

Q: Is the TCL S5 75S551G good for gaming?

It's decent for casual gaming. The 60Hz panel is supported by features like VRR, ALLM, and Game Accelerator 120, which help reduce lag and smooth out gameplay. Hardcore competitive gamers should look for a true 120Hz panel instead.

Q: Does the TCL S5 75S551G support Dolby Vision?

Yes, the S5 supports Dolby Vision along with HDR10, HDR10+, and HLG. That means you'll get the best HDR format available on whichever streaming app you use.

Q: How does the TCL S5 compare to the Hisense U8?

The Hisense U8 Series offers better picture quality with mini-LED backlighting and higher brightness, but it's smaller at 65 inches. The TCL gives you a bigger screen for less money, while the Hisense wins on pure picture performance.

Q: Is the TCL S5 75S551G good for a bright room?

Not really. The Direct LED backlight is adequate, but glare handling is weak. If your room gets a lot of sunlight, you'll want a TV with higher peak brightness and better reflection handling.

Who Should Skip This

If you're a home theater enthusiast who cares about deep blacks and contrast, skip this one. The lack of local dimming means dark scenes look gray, especially in a dark room. If you watch a lot of sports in a bright living room with big windows, the poor outdoor viewing score will frustrate you. And if you're a serious competitive gamer who needs true 120Hz at 4K, look elsewhere. In those cases, the Hisense U8 Series or Samsung Neo QLED options will serve you better, though you'll pay more for the upgrade.

Verdict

Should you buy the TCL S5 75S551G? If you want a huge screen for streaming, casual gaming, and everyday TV watching without spending over a grand, the answer is yes. This TV delivers where it counts for most people: it's big, it's smart, and it supports every HDR format that matters. The Google TV interface is genuinely pleasant to use, and the gaming features like VRR and ALLM are nice additions at this price. The picture quality isn't going to win any awards, but it's perfectly fine for most content in most lighting conditions.

But if you're picky about picture quality, if you notice gray blacks during dark movie scenes, or if you're planning to put this in a bright sunroom, you should look elsewhere. The outdoor viewing score of 38.5 out of 100 tells you everything you need to know about how it handles glare and sunlight. For a basement home theater or a bedroom TV, though, the S5 75S551G is a smart buy, especially if you can find it near the USD 480 end of the price range.

Usage Scores

Overall (62.6)Budget (64.1)Gaming (53.1)Movies (53.4)Sports (56.7)Outdoor (38.5)Portable (41.4)Corporate (56.5)Streaming (70.2)Smart Home (73.7)

Other Configurations8

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