RTX 4080 Super vs the previous gen is an upgrade call about display target, power, CPU pairing, and total platform cost. SA gamers should compare real needs before replacing a still-capable GPU.
The RTX 4080 Super (~R22,000) delivers roughly 45–55% more fps at 4K than the RTX 3080 10GB, and about 25–30% more than the original RTX 4080. Against the RTX 3090 Ti (24GB), the 4080 Super matches or slightly exceeds native fps while using half the power (320W vs 450W). For RTX 3080 owners, the upgrade is significant but the price is steep — it only makes full sense if you're upgrading to 4K gaming.
| Game | RTX 3080 10GB | RTX 4080 | RTX 4080 Super | vs 3080 |
|---|---|---|---|---|
| Cyberpunk 2077 | ~55fps | ~78fps | ~88fps | +60% |
| Hogwarts Legacy | ~58fps | ~80fps | ~92fps | +59% |
| Alan Wake 2 | ~42fps | ~63fps | ~72fps | +71% |
| Starfield | ~62fps | ~82fps | ~95fps | +53% |
Note: DLSS 3 Frame Generation (exclusive to RTX 40) roughly doubles the apparent fps gap vs RTX 3080 which uses DLSS 2 only.
For SA RTX 3080 10GB owners, the RTX 4080 Super at ~R22,000 offers a genuine 50%+ fps uplift at 4K. But context matters:
Frame Generation (DLSS 3, RTX 40-exclusive) doubles the fps disparity in supported titles. In Alan Wake 2 at 4K Ultra, an RTX 4080 Super with DLSS 3 Quality + FG averages ~160fps vs the RTX 3080's ~65fps with DLSS 2 Quality — a 146% apparent fps gap from a ~60% raw hardware difference. This makes the upgrade compelling for 4K 144Hz target owners.
The RTX 3090's 24GB VRAM is its strength, but raw fps at 4K is matched or slightly exceeded by the RTX 4080 Super. If you use the 24GB VRAM for AI/ML workloads locally, keep the 3090. For gaming only, the 4080 Super is faster and uses 130W less power. Net performance-per-watt heavily favours the RTX 4080 Super.
Used RTX 3080 10GB cards on the SA second-hand market are currently R5,500–R7,500 depending on condition and AIB brand. Factoring in the ~R22,000 RTX 4080 Super price, the net upgrade cost is approximately R14,000–R16,500 after selling the old card.
Yes — all RTX 40 series cards include the 8th generation NVENC encoder supporting AV1 hardware acceleration. AV1 at the same quality produces 40% smaller files than H.265, which is a meaningful benefit for SA creators uploading to YouTube who want faster export times and better video quality at lower bitrates.
from RTX 3080, run DDU (Display Driver Uninstaller) in Safe Mode to fully remove the old Nvidia driver before installing the RTX 4080 Super — leftover RTX 30 drivers can cause instability and strange performance issues with the new architecture.
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