Samsung 77-Inch QD-OLED S90F TV Deal at Walmart for $1,158

What Makes the Samsung S90F Stand Out: QD-OLED Technology and Gaming Features

The 77-inch Samsung S90F (model QN77S90FDFXZA at Walmart) is built around QD-OLED display technology, which combines OLED's pixel-level contrast and perfect blacks with quantum-dot color for notably vivid, Pantone Validated picture quality. This approach delivers rich, saturated color that stands out in both dark room viewing and HDR content.

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For gamers, the S90F is particularly well-equipped:

Four HDMI 2.1 ports with full bandwidth support120Hz native refresh rate with motion enhancement up to 144HzVariable refresh rate (VRR) support for tear-free gameplay4K gaming at 120Hz from PlayStation 5, Xbox Series X, or PC

The Samsung Vision AI processor handles 4K upscaling for lower-resolution content, and the built-in Tizen smart TV platform provides direct access to major streaming services without requiring an external device. At 67.7 inches wide and 38.9 inches tall (without stand), this is a substantial display that demands careful space planning before purchase.

The Dolby Vision Question: What You're Trading for HDR10+

Here's the most important consideration: the Samsung S90F does not support Dolby Vision HDR. Instead, it supports HDR10+, HDR10, and HLG.

Netflix, Apple TV+, Disney+, and other major streaming services offer Dolby Vision content alongside HDR10 versions. On the S90F, you'll receive the HDR10 stream instead.HDR10+ is Samsung's competing format, which adds dynamic metadata similar to Dolby Vision. Amazon Prime Video, Paramount+, and some other services support HDR10+.The practical impact varies by content: many viewers won't notice a dramatic difference in everyday viewing, but Dolby Vision can deliver more precise scene-by-scene optimization on compatible displays.

If you primarily stream from services that emphasize Dolby Vision, or if you have a 4K Blu-ray collection with Dolby Vision discs, this limitation is worth weighing carefully. The S90F also does not support DTS audio formats, which may affect some external audio setups.

How It Compares: Samsung S90F vs. LG C5 OLED and Other Alternatives

RTINGS positions the Samsung S90F and LG C5 OLED as direct competitors at similar price points, noting that they trade strengths:

The S90F offers QD-OLED's vivid color, four full-bandwidth HDMI 2.1 ports, and 144Hz support.The LG C5 includes Dolby Vision support and a different picture processing approach.

Samsung S95F: Samsung's higher-end OLED with reported performance improvements at a higher price.Samsung S85F: A less expensive Samsung OLED that is notably dimmer in HDR and limited to 4K at 120Hz for gaming.Sony Bravia 8: Another OLED option frequently compared alongside the S90F and C5.

The choice between the S90F and its competitors often comes down to HDR format priorities, gaming feature preferences, and color-rendering philosophy.

Who Should Buy This TV (and Who Should Look Elsewhere)

The Samsung S90F at $1,158 makes sense for:

Gamers who want four HDMI 2.1 ports, VRR, and 144Hz support for PC or console gamingHome theater enthusiasts who prioritize OLED's deep blacks and QD-OLED's vivid color in dark-room viewingViewers whose streaming services primarily use HDR10+ or HDR10 (Amazon Prime Video, Paramount+, and others)Anyone who values Samsung's Tizen platform and upscaling performance for mixed-resolution content

Dolby Vision support is a must-have for your streaming services or 4K Blu-ray collection—the LG C5 OLED is the direct alternativeYou need DTS audio format support for your external audio systemYou're uncertain about fitting a 67.7-inch-wide display in your spaceYou're expecting a discount—this $1,158 price matches the regular listed price at Walmart

What to Know Before You Buy: Model Codes, Dimensions, and Walmart's Return Policy

Before purchasing, verify these details with the Walmart listing:

Model code: The QN77S90FDFXZA designation is typically associated with Costco inventory. Confirm the exact model, included accessories, and seller on the Walmart product page.Physical dimensions: 67.7 inches wide × 38.9 inches tall without the stand. Measure your entertainment center or wall space, and confirm stand dimensions if not wall-mounting.Return policy and warranty: Check Walmart's specific terms for this listing, including the return window and manufacturer warranty coverage.HDR format check: Review your most-used streaming services and devices to confirm whether they provide HDR10+ or HDR10 content, or if they rely primarily on Dolby Vision.

This is a significant investment in a large-format OLED display. The Samsung S90F delivers vivid QD-OLED picture quality and comprehensive gaming features at $1,158, but the Dolby Vision trade-off is real and should inform your decision. If Dolby Vision support is essential, compare this model directly with the LG C5 at similar pricing before making your choice.