RTX 3070 vs RTX 3070 Ti: 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 3070 Ti leads the RTX 3070 by about 9% — a moderate gap. Both carry 8GB of VRAM.
| RTX 3070 | RTX 3070 Ti | |
|---|---|---|
| Performance index | 46/100 | 50/100 |
| VRAM | 8GB | 8GB |
| Board power (TBP) | 220W | 290W |
| Maker PSU guidance | 650W | 750W |
| Our starting PSU class | 650W | 750W |
| Power connector | 8-pin PCIe | 8-pin PCIe |
| Generation | RTX 30 | RTX 30 |
Relative gaming index — an estimate of typical performance. Real-world gaps vary by game, resolution and settings.
Which should you buy?
Buy the RTX 3070 Ti if you want the higher frame rate and can find it at a fair price. Choose the RTX 3070 if it is clearly cheaper and its 8GB+ of VRAM and features cover your target resolution. Both are from a similar lineage, so price is the main deciding factor.
Power planning: RTX 3070 PSU · RTX 3070 Ti PSU.
RTX 3070 vs RTX 3070 Ti at each resolution
| Resolution | RTX 3070 | RTX 3070 Ti |
|---|---|---|
| 1080p | Excellent | Excellent |
| 1440p | Playable (2 short of Good) | Good (10 short of Great) |
| 4K | Not ideal (4 short of Playable) | Playable (14 short of Good) |
The 4-point gap (46 vs 50) changes the verdict at 1440p and 4K: that is where the RTX 3070 Ti earns its place. At 1080p both get the same rating, so paying for the faster card buys headroom rather than a different experience there.
Power, PSU and efficiency
Reference board power is 220W for the RTX 3070 and 290W for the RTX 3070 Ti, a 70W difference. Per 100W that works out to 20.9 index points for the RTX 3070 and 17.2 for the RTX 3070 Ti, so the RTX 3070 does more per watt. An existing 650W supply meets the maker guidance for the RTX 3070 but not for the RTX 3070 Ti (750W). Full sizing: RTX 3070 PSU · RTX 3070 Ti PSU.
Ratings use the same index lines as our GPU resolution pages; the index is an editorial tier summary, not a benchmark. PSU figures are the makers’ reference guidance reviewed 12 September 2026.
Sources & verification
Relative indices summarize broad gaming tiers and are not a substitute for game-by-game benchmark averages. Price and driver updates can change the buying recommendation. Last reviewed September 19, 2026.
Frequently asked questions
Is the RTX 3070 better than the RTX 3070 Ti?
On our relative index the RTX 3070 Ti is about 9% ahead of the RTX 3070. Both carry 8GB of VRAM. The smaller the gap, the more other factors like price, VRAM and features should decide it.
Which is better value, the RTX 3070 or the RTX 3070 Ti?
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 3070 and RTX 3070 Ti need different power supplies?
The RTX 3070's maker lists a 650W supply and the RTX 3070 Ti's lists 750W; our starting classes are 650W and 750W. If you might move to the RTX 3070 Ti later, size for its 750W now.
Make sure your CPU can keep up with either card using the Bottleneck Estimator, or compare more cards in the GPU comparison hub.