RTX 5070 Ti vs RTX 5080: Which Should You Buy?
Head-to-head on performance, VRAM, power and value for 2026.
Quick Summary · TL;DR
On our relative performance index the RTX 5080 leads the RTX 5070 Ti by about 13% — a moderate gap. Both carry 16GB of VRAM.
| RTX 5070 Ti | RTX 5080 | |
|---|---|---|
| Performance index | 76/100 | 86/100 |
| VRAM | 16GB | 16GB |
| Board power (TBP) | 300W | 360W |
| Recommended PSU | 750W | 850W |
| Power connector | 16-pin 12V-2x6 | 16-pin 12V-2x6 |
| Generation | RTX 50 | RTX 50 |
Relative gaming index — an estimate of typical performance. Real-world gaps vary by game, resolution and settings.
Which should you buy?
Buy the RTX 5080 if you want the higher frame rate and can find it at a fair price. Choose the RTX 5070 Ti if it is clearly cheaper and its 16GB+ of VRAM and features cover your target resolution. Both are from a similar lineage, so price is the main deciding factor.
Power planning: RTX 5070 Ti PSU · RTX 5080 PSU.
Frequently asked questions
Is the RTX 5070 Ti better than the RTX 5080?
On our relative index the RTX 5080 is about 13% ahead of the RTX 5070 Ti. Both carry 16GB of VRAM. The smaller the gap, the more other factors like price, VRAM and features should decide it.
Which is better value, the RTX 5070 Ti or the RTX 5080?
Value depends on the price you can find each at. The slower card is usually the smart buy if it is meaningfully cheaper, unless you need the extra VRAM or features of the faster one.
Do the RTX 5070 Ti and RTX 5080 need different power supplies?
The RTX 5070 Ti is rated around a 750W PSU and the RTX 5080 around 850W. Size for the more demanding card if you might upgrade, and prefer an ATX 3.x unit for any 12V-2x6 card.
Make sure your CPU can keep up with either card using the Bottleneck Estimator, or compare more cards in the GPU comparison hub.