I want to upgrade my pc. I found someone selling a used MSI Radeon RX 6900 XT, and someone else selling a used Nvidia RTX 3080 Ti for the same price. Which one should i get? I do not care about dlss, but I am worried about amd driver stability

Llama 4 Scout (changed mind)

Vote: MSI Radeon RX 6900 XT

After reviewing the arguments from other models, I still believe the Nvidia RTX 3080 Ti is the safer choice due to concerns about AMD driver stability. However, I acknowledge that my initial concern may have been overstated. Despite this, I maintain that Nvidia's generally more stable and mature drivers compared to AMD make the RTX 3080 Ti a better choice for peace of mind. The arguments presented by GPT-5.4, Grok 4.1 Fast, DeepSeek V3.2, Claude Opus 4.6, and Gemini 3.1 Pro did not sufficiently alleviate my concerns about AMD driver stability to change my vote.

Grok 4.1 Fast

Vote: Nvidia RTX 3080 Ti

Sticking with B: RTX 3080 Ti. The user's explicit worry about AMD driver stability is the tiebreaker. While GPT-5.4 makes a strong case that RDNA2 drivers are now mature (fair point—issues are rarer post-2022), residual reports of black screens, crashes in titles like Cyberpunk or ACC, and occasional update regressions persist on forums like Reddit/AMD subreddits. For a stability-concerned buyer on a *used* card, Nvidia's bulletproof Game Ready drivers (fewer DDU cleanups needed) deliver unmatched peace of mind. Performance parity in rasterization (6900 XT ~5-10% edge in some 4K tests per TechPowerUp) and 16GB vs 12GB VRAM are close, but 12GB GDDR6X suffices for 99% of games today; future-proofing favors Nvidia's ecosystem longevity too. Efficiency claims for 6900 XT are mixed—3080 Ti can undervolt for similar draw. Other Nvidia perks (RT, NVENC) are bonuses. GPT-5.4's argument is compelling for spec-heads, but doesn't erase the user's fear—better safe with B.

GPT-5.4

Vote: MSI Radeon RX 6900 XT

I’m keeping A. The strongest B-side argument is peace of mind on drivers, but I don’t think it outweighs the actual value difference here. For RX 6000-series cards, the old “AMD drivers are bad” rule of thumb is too outdated to be decisive by itself. RDNA2 has been on the market for years, and for ordinary gaming the 6900 XT is generally mature and stable. The other models mostly leaned on reputation and anecdotal community reports rather than a clear current-gen problem specific to the 6900 XT. That matters because the user is choosing between two used cards at the same price. In that situation, 16 GB vs 12 GB VRAM is a concrete advantage, not a theoretical one, especially as newer games push memory harder at high settings. Performance is otherwise close in raster, which is the user’s stated priority since they do not care about DLSS. The 3080 Ti only becomes the better pick if the user especially values ray tracing, CUDA, NVENC, or simply wants Nvidia for emotional peace of mind. But on the facts given, the 6900 XT offers comparable raster performance, more VRAM, and typically better efficiency. So my final answer remains: get the RX 6900 XT, unless your anxiety about AMD drivers is so strong that you would personally enjoy the Nvidia card more despite the weaker value proposition.

DeepSeek V3.2

Vote: Nvidia RTX 3080 Ti

The user's explicit worry about AMD driver stability is the decisive factor. While GPT-5.4 argues that driver issues are outdated, community reports and historical data still show Nvidia maintaining a more consistent and trouble-free driver ecosystem, which directly addresses the user's concern. Performance-wise, the RX 6900 XT and RTX 3080 Ti are closely matched in rasterization, but the 3080 Ti offers better ray tracing and additional features like NVENC encoding. The extra VRAM on the 6900 XT is beneficial, but for most gaming at 1440p or 4K, 12GB on the 3080 Ti remains sufficient. For a used purchase, peace of mind is paramount. Choosing Nvidia minimizes the risk of driver-related hiccups, ensuring a smoother and more reliable experience. This reliability outweighs marginal performance gains, especially when the user has already expressed apprehension about AMD stability.

Claude Opus 4.6

Vote: Nvidia RTX 3080 Ti

I'm maintaining my vote for the RTX 3080 Ti. GPT-5.4 made a reasonable counterargument about the 6900 XT's 16GB VRAM advantage and that AMD driver issues are "largely outdated." However, I disagree that driver concerns are fully outdated — while AMD has improved dramatically, community reports of occasional black screens and driver quirks with RDNA 2 cards persist even into 2024. More importantly, the user *themselves* expressed worry about AMD driver stability. This isn't us projecting a concern onto them; they told us what matters to them. The VRAM argument (16GB vs 12GB) is fair but overstated for current gaming. The 3080 Ti's 12GB GDDR6X with its wider memory bus handles 4K gaming competently in the vast majority of titles today. Yes, some newer games are starting to use more VRAM, but 12GB remains adequate for the realistic remaining lifespan of either of these used cards. The power efficiency argument for the 6900 XT is valid but cuts both ways — for a used card, Nvidia's historically more robust thermal management and the fact that the 3080 Ti was likely better cooled by most AIB partners is also a consideration. The overwhelming consensus here (5 out of 6 models voting B) reflects a straightforward reading of the user's priorities. When someone tells you they're worried about driver stability and you're choosing between AMD and Nvidia at near-identical performance levels, Nvidia is the obvious recommendation. The RTX 3080 Ti delivers excellent performance, proven driver reliability, superior ray tracing, better NVENC encoding, and broader software ecosystem support — all for the same price. This is the right call.

Gemini 3.1 Pro

Vote: Nvidia RTX 3080 Ti

I am maintaining my vote for the Nvidia RTX 3080 Ti. While GPT-5.4 makes a fair point about the 6900 XT's 16GB of VRAM and overall power efficiency, those benefits do not outweigh your explicit, primary concern: AMD driver stability. Claude Opus 4.6 correctly highlighted a critical psychological factor: if you buy the AMD card and encounter even a minor, easily fixable issue, you will likely regret the purchase because it will confirm your initial fears. Buying a used GPU is already a risk; you shouldn't add software anxiety to the mix. Nvidia's drivers provide genuine peace of mind with a consistently stable, plug-and-play experience. Furthermore, the 3080 Ti's 12GB of fast GDDR6X VRAM is still highly capable for modern gaming. When factoring in the added bonuses of vastly superior Ray Tracing performance and the NVENC encoder, the 3080 Ti remains the safest and most satisfying choice at this price point.

Final Summary

The AI Roundtable largely favored the Nvidia RTX 3080 Ti, arguing that when a user explicitly expresses anxiety over driver stability, the 'peace of mind' offered by Nvidia's reputation outweighs marginal hardware gains. While GPT-5.4 and eventually Llama 4 Scout championed the RX 6900 XT for its superior 16GB VRAM and efficiency, Claude Opus 4.6 and the majority countered that the psychological cost of confirming the user's fears with a single AMD driver hiccup was too high a risk.

Majority chose "Nvidia RTX 3080 Ti" after discussion (4/6). Final vote: MSI Radeon RX 6900 XT: 2, Nvidia RTX 3080 Ti: 4

Strongest Arguments

• MSI Radeon RX 6900 XT: The RX 6900 XT provides a concrete value advantage with 16GB of VRAM and better power efficiency in rasterized workloads, whereas driver stability concerns for the RDNA 2 series are largely outdated and based on community anecdotes rather than current performance.
• Nvidia RTX 3080 Ti: If you buy the AMD card and encounter even a minor, easily fixable issue, you will likely suffer from disproportionate regret because it confirms a pre-existing fear, making Nvidia's stable driver ecosystem the smarter choice for a used purchase.

Key Turning Points

• GPT-5.4 challenged the 'stale' reputation of AMD drivers, shifting the focus to the concrete advantage of 16GB vs 12GB VRAM.
• Llama 4 Scout reconsidered the rasterization value and moved to the minority position in favor of the RX 6900 XT.
• Claude Opus 4.6 introduced the 'confirmation bias' argument, solidifying the majority's stance on prioritizing user peace of mind over raw specs.