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Quick Answer
Buying a used GPU in 2026 can offer excellent value if you buy smart. The used RTX 3080 and RX 6800 XT offer RTX 4070-class performance for $350-450 AUD. Avoid ex-mining cards, test before buying, and only purchase from sellers with return policies.
Run a 30-minute stress test (FurMark or 3DMark) and check for artifacts, crashes, or excessive temperature. Compare benchmark scores to published results. If it passes, the card is likely fine.
Facebook Marketplace and Gumtree offer local pickup where you can test. eBay provides buyer protection. Avoid Telegram or WhatsApp sales with no accountability.
Our Verdict
Used GPUs offer great value in 2026, especially the RTX 3080 and RX 6800 XT. Test before buying, avoid suspicious sellers, and factor in the loss of DLSS 3 and warranty. If budget is tight, used is a smart strategy.
The best 1080p GPU under $400 AUD is the RTX 4060 at around $400 AUD. It delivers 60-120 fps in AAA titles at high settings with DLSS 3 support and incredible power efficiency at just 115W. The RX 7600 at $350 AUD is the budget alternative.
The best 1440p GPU under $800 AUD is the RX 7800 XT at around $620 AUD. It delivers outstanding 1440p performance with 16GB VRAM for future-proofing. The RTX 4070 at $750 AUD is the alternative if you value DLSS 3 and ray tracing.
Yes, upgrading from the RTX 3060 Ti to the RTX 4070 is worth it. The RTX 4070 is 45-55% faster in rasterization and adds DLSS 3 Frame Generation. At a net cost of ~$470 AUD after selling your 3060 Ti, this is a meaningful generation-over-generation upgrade.