Samsung’s S90F Brings QD-OLED Performance Closer to Reality
Samsung’s 2025 S90F OLED TV is shaping up to be one of the most compelling mid-range options for movie lovers and gamers this year. In hands-on testing, the 65-inch model matched the flagship S95F in shadow detail, colour saturation and contrast, outperforming the LG C5—its closest rival—in dark-scene clarity and gaming brightness. The S90F’s all-HDMI 2.1 ports with 144Hz VRR support and a low 10-millisecond input lag make it a strong candidate for PC and console gaming setups, while its slim, no-frills design avoids the awkward One Connect box of the pricier S95F.
Yet a cloud hangs over the product line. Samsung’s US representatives refused to confirm whether the 65-inch unit tested is the only size using a QD-OLED panel, or whether other screen sizes use different technology entirely. The company’s website simply lists “OLED HDR Plus,” and a Samsung spokesperson would only say that “Samsung TVs are designed to consistently offer excellent performance, regardless of the specific panels used.” This ambiguity matters because different panel technologies—QD-OLED versus traditional WOLED—can produce markedly different colour reproduction and brightness, making the review’s measurements potentially irrelevant for other sizes.
Price-wise, the S90F lands in a fiercely competitive zone. Amazon Prime Day saw both the Samsung S90F and the LG C5 drop to $1,800 for the 65-inch model, and similar discounts are expected ahead of Black Friday. The reviewer’s advice, given the close performance between the two sets, was blunt: buy whichever is cheaper at the time.
Panel Secrecy and the Shifting OLED Competitive Landscape
Where Samsung’s Panel Secrecy Hurts
By declining to disclose which panel technology sits in each S90F screen size, Samsung creates a problem for both shoppers and retailers. A buyer who sees glowing reviews of the 65-inch QD-OLED unit may purchase a 55-inch or 77-inch model expecting identical colour performance, only to receive a standard WOLED panel with different characteristics. In an OLED market where panel type has become a key differentiator—Samsung itself markets QD-OLED as superior in colour volume—this opacity invites returns, erodes consumer trust, and hands a clear narrative advantage to LG, which is transparent about its panel sourcing.
For competitors, the message is mixed. LG can claim consistency: its C5 series uses WOLED across all sizes, and the company’s established supply chain offers predictable performance. Hisense and TCL, the aggressive Chinese entrants piling into OLED, may see an opening if Samsung’s secrecy fuels shopper uncertainty. The TCL QM8K and Hisense U8Q tested alongside the group showed they can hold their own in bright-room conditions, while the C5 suffered from muted highlights in game mode—a weakness Samsung’s brighter game-mode picture exploits directly.
The Pricing War Intensifies
With the S90F and C5 regularly neck-and-neck on price, the battle will be won on perceived value rather than technical superiority alone. Samsung’s decision to yield the anti-reflective coating and external connection hub to the S95F creates a clear upsell path, but also leaves the S90F feature-competitive at its price point. If LG continues its pattern of deep discounting around seasonal sales, Samsung will have to match aggressively or risk losing market share in the premium-but-affordable OLED tier—a segment that is increasingly the main battleground for TV makers.
Meanwhile, the LCD-based rivals are not standing still. The Hisense U8Q, for example, demonstrated high brightness and responsiveness in game mode, though it couldn’t match the OLEDs on shadow detail. As mini-LED technology improves, the price gap between high-end LCD and mid-range OLED narrows, pushing all players to sharpen their value stories.
What the S90F Means for the TV Industry and Consumers
- Samsung must clarify panel usage. Without transparency, retailers and sales staff will struggle to differentiate the S90F across screen sizes, inviting customer frustration and potential returns—a reputational risk that could spill into the more profitable S95F line.
- Retailers should prepare for mixed baskets. The close pricing and performance between the S90F and LG C5 mean many shoppers will simply choose the cheaper option on any given day, putting pressure on promotional calendars and inventory planning around Prime Day and Black Friday.
- Consumers buying before large sales should wait for side-by-side pricing. With both TVs expected to converge below $1,800 again, the tiebreaker may come down not to brand loyalty but to which handles bright-room glare better—the C5’s special FX-like halos or the S90F’s dialed-back anti-reflective performance.
Risk & Opportunity Assessment
| Commercial Risk | Medium | If panel inconsistencies lead to returns or customer complaints, Samsung could see margin erosion on a volume product line. |
| Competitive Risk | High | The LG C5 is priced identically and shows comparable performance; any perceived ambiguity over panel quality could tip buyers toward LG or the rising Chinese OLED entrants. |
| Regulatory Risk | Low | No significant regulatory exposure in consumer TV sales, though future energy-efficiency rules could affect manufacturing costs. |
| Reputation Risk | Medium | Panel secrecy undermines the transparency that enthusiasts and professional reviewers expect, potentially harming Samsung’s credibility in the premium TV market. |
| Technology Disruption | Low | OLED is mature; the core technology disruption lies in QD-OLED availability across sizes, not a completely new display paradigm. |
| Commercial Opportunity | High | The S90F’s near-flagship picture at a lower price can capture customers unwilling to pay for the S95F, especially gamers, if Samsung resolves the panel messaging quickly. |
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