Samsung QN98QN990FF 98" VS TCL 98C6K 98"

The most fundamental split between these two 98-inch sets is resolution. The Samsung QN98QN990FF operates at 8K (7680 x 4320), delivering a pixel density of 90 ppi, while the TCL 98C6K tops out at 4K (3840 x 2160) with 45 ppi — exactly half. At 98 inches, that density gap is more meaningful than on smaller screens: sitting at a typical viewing distance, the Samsung can render finer detail and subtler gradients, though the practical benefit depends heavily on whether 8K source content is available, which remains scarce. The TCL counters with a higher native refresh rate of 144Hz versus the Samsung's 120Hz, which is a tangible edge for high-frame-rate gaming and fast-motion content.

On HDR support, both panels cover HDR10, HDR10+, and HLG, but the TCL adds Dolby Vision — the format preferred by most major streaming platforms including Netflix and Apple TV+. This is a real-world gap: Samsung's omission of Dolby Vision means it cannot dynamically tone-map content mastered in that format, which is an increasingly large share of premium streaming libraries. The TCL also includes an anti-reflection coating that the Samsung lacks, a practical advantage in brighter or mixed-light rooms. Both share identical AMD FreeSync Premium Pro support, the same display technology stack (QLED Mini-LED LCD), and symmetric 178° viewing angles.

Overall, neither panel dominates cleanly. The Samsung holds a significant advantage for anyone prioritizing maximum resolution and future-proofing for 8K content. The TCL, however, offers a more well-rounded package for today's use cases: Dolby Vision compatibility, a faster 144Hz panel, and an anti-reflection coating make it the stronger choice for streaming-heavy users and gamers who do not need 8K.

Wireless connectivity is where the Samsung QN98QN990FF pulls ahead most decisively. It supports Wi-Fi 6E (802.11ax), while the TCL 98C6K caps out at Wi-Fi 5 (802.11ac). This is not a trivial generational gap: Wi-Fi 6E operates on the 6 GHz band, which is far less congested than the 2.4 GHz and 5 GHz bands used by older standards. In a dense home network environment — multiple devices streaming simultaneously — the Samsung will maintain more stable throughput and lower latency, which matters for 8K streaming and cloud gaming. The TCL's Wi-Fi 5 ceiling is serviceable for 4K, but it is a real limitation as home networks grow more demanding.

On physical ports, the Samsung again leads: 5 HDMI 2.1 ports and 4 USB ports versus the TCL's 4 HDMI 2.1 and 2 USB ports. For a flagship home theater centerpiece handling a gaming console, soundbar, Blu-ray player, and streaming device simultaneously, that extra HDMI port and two additional USB connections reduce the need for external switches. The TCL does hold two minor edges: a marginally newer Bluetooth 5.4 (versus 5.3 on the Samsung — a negligible real-world difference) and a 3.5 mm headphone jack the Samsung omits, which could matter for users who prefer wired headphones without an adapter.

Overall, the Samsung QN98QN990FF has a clear connectivity advantage, driven primarily by Wi-Fi 6E and a more generous port complement. The TCL's 3.5 mm jack is a convenience perk for specific users, but it does not change the broader picture for a TV at this size and price tier.

Across every audio specification provided, the Samsung QN98QN990FF and the TCL 98C6K are a complete match. Both support Dolby Atmos, Dolby Digital Plus, and Dolby Audio, include a built-in subwoofer alongside stereo speakers, and offer both HDMI ARC and eARC. The presence of eARC is the most practically significant shared feature here: it supports the full uncompressed audio bandwidth needed to pass through Dolby Atmos and DTS:X to a compatible soundbar or AV receiver, making both TVs equally capable as the audio hub of a high-end home theater setup.

Given that the spec data is identical across every listed dimension, this group does not factor into a buying decision between the two. Users prioritizing audio quality beyond the built-in speakers — which is typical at this screen size and price tier — will find both TVs equally well-equipped to hand off to external sound systems via eARC.

At 98 inches, both panels occupy virtually the same footprint — width and height differ by less than 10 mm — but their physical profiles diverge sharply in two key dimensions. The Samsung QN98QN990FF measures just 20.3 mm thick, while the TCL 98C6K is 64 mm deep, more than three times as thick. For wall-mount installations, that gap is immediately visible: the Samsung will sit nearly flush against the wall, whereas the TCL will protrude noticeably. This is a genuine aesthetic and spatial consideration in living rooms where a low-profile look is a priority.

The weight story runs in the opposite direction. The TCL, despite its greater depth, weighs 53.3 kg — significantly lighter than the Samsung's 86.5 kg. That is a difference of roughly 33 kg, which has direct implications for installation: the Samsung will require a wall mount and wall structure rated for substantially higher loads, and maneuvering it into position demands more personnel and care. Both panels support VESA mounting, so neither has an inherent structural advantage there, but the Samsung's weight demands more rigorous pre-installation planning.

On operating temperature range, the differences are minor but worth noting: the TCL tolerates slightly cooler environments down to 5 °C versus the Samsung's 10 °C floor, while the Samsung handles slightly warmer conditions up to 40 °C versus the TCL's 35 °C ceiling. These margins are unlikely to matter in typical indoor installations. Overall, neither TV wins this category outright — the Samsung is the better choice for a sleek wall-mount aesthetic, while the TCL's considerably lower weight makes it easier and less costly to install safely.

For two TVs separated by a significant price and resolution gap, their smart feature sets are remarkably aligned. Both support Chromecast built-in, AirPlay, Google Assistant, and Alexa, covering the full spectrum of major smart home and casting ecosystems. Neither supports Siri or Apple HomeKit, so committed Apple Home users will find the same limitation on both sets. USB recording, smartphone remote control, voice commands, and a matched 0.5W standby consumption round out an otherwise identical feature profile.

The only concrete differentiator in this group is the Samsung's inclusion of a rechargeable remote control, which the TCL lacks. Over the ownership lifetime of a flagship TV, eliminating the need to replace or recharge AA batteries is a small but recurring quality-of-life improvement — and it is the kind of detail that tends to reflect the overall fit and finish of a product's ecosystem.

As a category, Features is essentially a wash between these two, with the Samsung earning a narrow edge solely on the basis of its rechargeable remote. Neither TV restricts the user's smart home or streaming options in any meaningful way based on the provided data.