Samsung QN77S90F 77 inch Class OLED 4K S90F Vision AI Smart TV (2025)
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AI Verdict
This is a 77-inch 4K OLED panel with a 144Hz refresh rate and a NQ4 AI Gen3 Processor, but its listed RCA-only connectivity makes it a questionable choice for modern media consumption.
Regret Score™
Very High RiskLower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity
Issues discovered after purchase
Critically weak dimension
Amazon rating vs actual quality
Chance this product isn't for you
Pros
- Features a 77-inch OLED panel for deep blacks and high contrast.
- Offers a 144 hertz refresh rate, beneficial for smooth motion and gaming.
- Equipped with the NQ4 AI Gen3 Processor and 4K AI Upscaling Pro for enhanced picture processing.
- Supports OLED HDR+ for improved high dynamic range content presentation.
- Includes a dedicated Game Mode for optimized gaming performance.
Cons
- Connectivity is limited to RCA, making it incompatible with modern HDMI-based devices for 4K content.
- Smart features are only specified as 'Built-In Speaker' and 'Game Mode', lacking details on a full smart TV operating system or wireless connectivity.
- The 77-inch S90F model often uses a WOLED panel, which may not offer the same color volume as QD-OLED versions in smaller sizes.
- Does not support Dolby Vision HDR, relying instead on HDR10+ for high dynamic range content.
- The product is Amazon Renewed with a low 3.0/5 rating from only 3 reviews, indicating potential quality control issues.
Dimension Scores
The 77-inch OLED panel with 4K resolution, 144Hz refresh rate, NQ4 AI Gen3 Processor, and OLED HDR+ offers a high-end visual experience.
The TV includes a Built-In Speaker, and the S90F model typically has 40W 2.1 channel speakers with Dolby Atmos support, which is average for a TV.
The listed smart features are limited to 'Built-In Speaker' and 'Game Mode', with no mention of Wi-Fi, Ethernet, or a comprehensive smart TV operating system, severely limiting its functionality.
The 77-inch screen size is substantial, but the listed RCA-only connectivity is critically outdated and renders the TV largely incompatible with modern 4K sources.
Best For
- Users with legacy RCA-only video sources who prioritize a large OLED display.
- Casual gamers who can connect via RCA and value a 144Hz refresh rate.
- Environments where picture processing via the NQ4 AI Gen3 Processor is a priority, regardless of input quality.
Not Recommended For
- Anyone planning to connect modern devices like Blu-ray players, gaming consoles, or streaming sticks (which require HDMI).
- Users expecting a full-featured smart TV experience with Wi-Fi, app stores, and voice assistants.
- Critical viewers who demand Dolby Vision HDR support for a wider range of content.
Watch Out For
- The listed RCA-only connectivity means you cannot connect any modern 4K source like a PlayStation 5, Xbox Series X, or 4K Blu-ray player directly.
- As an Amazon Renewed product with only 3 reviews averaging 3.0/5, there's a high chance of receiving a unit with undisclosed issues or missing accessories.
- The absence of specified Wi-Fi or Ethernet means you'll need external devices for any streaming services, assuming you can even connect them.
- Some users of the S90F model report the remote is small and easily lost.
- The physical stand of the S90F model can be plastic, which feels cheap for a premium TV.
Full Specifications
| ASIN | B0F2QLLXHV |
| Brand | Samsung |
| Brand Name | Samsung |
| Color Name | Black |
| Resolution | 4K |
| Item Weight | 104 Pounds |
| Screen Size | 77 Inches |
| Aspect Ratio | 16:9 |
| Refresh Rate | 144 hertz |
| Special Feature | Built-In Speaker, Game Mode |
| Special Features | Built-In Speaker, Game Mode |
| Item model number | CR-QN77S90F |
| Display Technology | OLED |
| Included Components | User Manual |
| Connectivity Technology | RCA |
| Supported Internet Services | Netflix, Prime Video, YouTube |
| Standing screen display size | 77 Inches |
What Buyers Say
The most concerning aspect of this renewed Samsung QN77S90F is the listed RCA-only connectivity, which makes it nearly impossible to use with any contemporary 4K media devices. While the underlying S90F model is praised for its OLED picture quality, 144Hz refresh rate, and gaming performance, the specific renewed ASIN has a low 3.0/5 rating from only 3 reviews, suggesting potential issues. Users of the S90F model have noted the absence of Dolby Vision support and some find the plastic stand disappointing. There are also reports of the remote being small and easily misplaced.
“Man, I saw '77-inch OLED 144Hz' and thought I hit the jackpot, but then I saw 'RCA only' and my heart sank. What am I even supposed to plug into this thing? It's like buying a Ferrari with bicycle pedals.”
Common Praise
- OLED panel delivers true blacks and high contrast for a visually striking image.
- 144 hertz refresh rate provides exceptionally smooth motion, especially for gaming.
- NQ4 AI Gen3 Processor and 4K AI Upscaling Pro contribute to a sharp and detailed picture.
- OLED HDR+ enhances the brightness and color of high dynamic range content.
- Game Mode offers a responsive experience with low input lag.
Common Complaints
- Lack of Dolby Vision HDR support limits compatibility with some premium content.
- The 77-inch S90F often uses a WOLED panel, which some users perceive as less vibrant than QD-OLED.
- Built-in audio, while present, can distort at higher volumes.
- The included remote control is small and prone to getting lost in couch cushions.
- The TV's stand can be made of plastic, which feels less premium than the display itself.
Ownership Tips
- You'll immediately realize the severe limitations of RCA-only inputs; plan for external converters or a different TV if you own any modern devices.
- The 'Smart TV' aspect is practically non-existent without Wi-Fi or a proper OS, making it a 'dumb' display for all intents and purposes.
- Expect to invest in a soundbar or external audio system if you want anything beyond basic sound, as the built-in speakers are just okay.
- The thinness of the screen makes it feel delicate when handling or mounting.
- Without specific reviews for this renewed ASIN, the condition and completeness of accessories are a gamble.
Frequently Asked Questions
Can I connect my PlayStation 5 or Xbox Series X to this TV?
No, the product specifications only list RCA connectivity, which is an analog input and does not support modern gaming consoles or 4K resolution. You would need HDMI ports for those devices.
Does this TV have Wi-Fi for streaming apps like Netflix or YouTube?
The product specifications only mention 'Built-In Speaker' and 'Game Mode' under smart features, with no mention of Wi-Fi or a full smart TV operating system. You would likely need an external streaming device, which you couldn't connect due to the RCA-only inputs.
What kind of HDR content does this TV support?
The TV supports OLED HDR+ and HDR10+, but it does not support Dolby Vision HDR, which is a common format for many movies and shows.
Is the 77-inch panel QD-OLED or WOLED?
While the S90F series includes QD-OLED panels, the 77-inch version often utilizes a WOLED panel, depending on the region. The provided specifications only state 'OLED'.
Since it's an Amazon Renewed product, what should I expect regarding its condition?
Amazon Renewed products are typically pre-owned and refurbished. With only 3 reviews averaging 3.0/5, there's an elevated risk of receiving a unit with cosmetic imperfections, missing accessories, or functional issues not covered by the limited specifications.
Buying Guide
When looking at a TV like this, you need to think about what you'll actually plug into it. A big, beautiful screen is useless if you can't connect your streaming box, game console, or Blu-ray player. For a 4K TV, modern inputs like HDMI are non-negotiable for getting the best picture and sound. 'Renewed' also means it's not brand new, so always check the seller's return policy and warranty.
OLED Panel
This means each pixel generates its own light, allowing for perfect blacks and infinite contrast. Imagine a night sky where stars truly pop against a completely dark background, unlike LED TVs where dark areas might still have a faint glow.
144 hertz Refresh Rate
This refers to how many times the screen updates per second. A 144Hz rate makes motion look incredibly smooth, especially important for fast-paced video games or sports, reducing blur and making everything feel more responsive.
NQ4 AI Gen3 Processor
This is the TV's brain. It handles things like upscaling lower-resolution content to 4K, improving colors, and reducing noise. A powerful processor means your content, even older movies, will look better on the big screen.
Connectivity: RCA
This is an old analog connection, typically used for VCRs or very old game consoles. It cannot carry a 4K signal or modern digital audio. Think of it like trying to fill a swimming pool with a garden hose – it's just not designed for the volume of data a 4K TV needs.
Alternatives
If you need to connect modern devices, look for a 4K OLED TV with multiple HDMI 2.1 ports, Wi-Fi, and a recognized smart TV operating system like Tizen, Google TV, or webOS.
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