GeForce RTX 3080 12GB vs GeForce RTX 5070 Ti
On raw speed the GeForce RTX 5070 Ti comes out ahead: far and away the quicker card, about 49% ahead of the GeForce RTX 3080 12GB. Best performance and best value in one card here — the clear recommendation if you can afford it.
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GeForce RTX 5070 Ti vs GeForce RTX 3080 12GB: In-Depth Breakdown
Performance: GeForce RTX 5070 Ti vs GeForce RTX 3080 12GB
The GeForce RTX 5070 Ti is dramatically faster, around 49% ahead of the GeForce RTX 3080 12GB. That gap is enough to move it up a tier: the GeForce RTX 5070 Ti is comfortable at 4K with upscaling and native 1440p, while the GeForce RTX 3080 12GB is better matched to 1440p.
Price & Value
The GeForce RTX 5070 Ti currently lists from $1,599 AUD, $744 AUD less than the GeForce RTX 3080 12GB at $2,343 AUD. Because it's both faster and competitively priced, the GeForce RTX 5070 Ti wins on performance-per-dollar by about 118%. The GeForce RTX 5070 Ti still sits about $850 AUD above its $749 AUD MSRP. The GeForce RTX 3080 12GB still sits about $1,544 AUD above its $799 AUD MSRP.
Power & Efficiency
At 300W against 350W, the GeForce RTX 5070 Ti is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern Blackwell architecture on a TSMC 4N process is part of why it does more with each watt.
VRAM & Future-Proofing
VRAM favors the GeForce RTX 5070 Ti at 16GB versus 12GB on the GeForce RTX 3080 12GB — that extra 4GB matters most at 4K, with high-res texture packs, and for content-creation/local-AI work.
Generation & Longevity
The GeForce RTX 5070 Ti is roughly 3 years newer than the GeForce RTX 3080 12GB (Blackwell vs Ampere), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: GeForce RTX 3080 12GB or GeForce RTX 5070 Ti?
The GeForce RTX 5070 Ti is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the GeForce RTX 3080 12GB if you find it at a steep discount.
Frequently Asked Questions
Is the GeForce RTX 5070 Ti better than the GeForce RTX 3080 12GB?
Which is better for 4K gaming, the GeForce RTX 3080 12GB or the GeForce RTX 5070 Ti?
Is the GeForce RTX 3080 12GB worth the extra $744 AUD over the GeForce RTX 5070 Ti?
Does the GeForce RTX 5070 Ti have enough VRAM advantage to matter?
Which should you buy: GeForce RTX 3080 12GB or GeForce RTX 5070 Ti?
Technical Specifications Comparison
Architecture & Cores
| Specification | GeForce RTX 3080 12GB | GeForce RTX 5070 Ti |
|---|---|---|
| Architecture | Ampere | Blackwell |
| Process Node | Samsung 8nm | TSMC 4N |
| CUDA Cores (CUDA Cores / CUDA Cores) | 8,960 | 8,960 |
| Ray Tracing Cores | — | 70 |
| Tensor / AI Cores | — | 280 |
Clock Speeds
| Specification | GeForce RTX 3080 12GB | GeForce RTX 5070 Ti |
|---|---|---|
| Base Clock | 1,440 MHz | 2,300 MHz✓ |
| Boost Clock | 1,710 MHz | 2,452 MHz✓ |
Memory
| Specification | GeForce RTX 3080 12GB | GeForce RTX 5070 Ti |
|---|---|---|
| VRAM Capacity | 12 GB | 16 GB✓ |
| Memory Type | GDDR6X | GDDR7 |
| Memory Bus | 384-bit✓ | 256-bit |
| Memory Speed | 19 Gbps | 28 Gbps✓ |
| Bandwidth | 912 GB/s✓ | 896 GB/s |
Connectivity & Power
| Specification | GeForce RTX 3080 12GB | GeForce RTX 5070 Ti |
|---|---|---|
| Interface | PCIe 4.0 x16 | PCIe 5.0 x16 |
| TDP | 350 W | 300 W✓ |
| Power Connectors | 2x 8-pin | 1x 16-pin |
| Released | Jan 2022 | Feb 2025 |
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