NVIDIA GeForce RTX 3080 vs NVIDIA GeForce RTX 3090 Ti, AI & Machine Learning Comparison
NVIDIA GeForce RTX 3090 Ti wins 8 of 12 benchmarks, averaging 42.8% faster.
Both cards were measured first-party on our bench, same suite, same test rig.
What the numbers say
The gap is widest in Stable Diffusion XL, where NVIDIA GeForce RTX 3090 Ti leads by 77% (4.76 vs 8.42 images/min); the closest fight is Qwen3 4B (24% apart); VRAM decides part of this one: NVIDIA GeForce RTX 3090 Ti runs 8 of our 12 AI workloads while the other card runs 3, models that don't fit score zero.
Benchmark results head-to-head
| Benchmark | NVIDIA GeForce RTX 3080 | NVIDIA GeForce RTX 3090 Ti | Difference |
|---|---|---|---|
| Qwen3 4B tok/s | 184.08 | 227.54 | -19% |
| Llama 3.1 8B tok/s | 125.85 | 161.02 | -22% |
| Qwen2.5-Coder 14B tok/s | 0 | 88.25 | n/a |
| Qwen3 32B tok/s | 0 | 42.18 | n/a |
| Llama 3.3 70B tok/s | 0 | 0 | n/a |
| Stable Diffusion XL images/min | 4.76 | 8.42 | -43% |
| Z-Image Turbo images/min | 0 | 4.35 | n/a |
| FLUX.1 dev images/min | 0 | 0 | n/a |
| FLUX.1 Kontext dev images/min | 0 | 0 | n/a |
| Qwen-Image-Edit images/min | 0 | 0 | n/a |
| LTX-Video (distilled) frames/s | 0 | 3.2 | n/a |
| Wan 2.2 5B (720p) frames/s | 0 | 0.27 | n/a |
Cost to rent
| Card | Per hour |
|---|---|
| NVIDIA GeForce RTX 3080 | $0.029 |
| NVIDIA GeForce RTX 3090 Ti | $0.270 |
NVIDIA GeForce RTX 3080 is 9.31x cheaper per hour. Cheapest on-demand rate we see across RunPod and Vast.
Specifications compared
| NVIDIA GeForce RTX 3080 | NVIDIA GeForce RTX 3090 Ti | |
|---|---|---|
| VRAM | 10GB | 24GB |
| Transistors | 28,300M | 28,300M |
| Die size | 628.4 mm² | 628.4 mm² |
| Transistor density | 45 M/mm² | 45 M/mm² |
| Architecture | Ampere (GA102) | Ampere (GA102) |
| Memory bandwidth | 760 GB/s | 1008 GB/s |
| Boost clock | 1,710 MHz | 1,860 MHz |
| TDP | 320 W | 450 W |
| Launch MSRP | $699 | $1,999 |
| Release | 2020-09-17 | 2022-03-29 |
FAQ
- Which is better for ai & machine learning: NVIDIA GeForce RTX 3080 or NVIDIA GeForce RTX 3090 Ti?
- NVIDIA GeForce RTX 3090 Ti performs better for ai & machine learning, winning 8 of 12 benchmarks in our suite with an average 42.8% advantage.
- What are the main hardware differences between NVIDIA GeForce RTX 3080 and NVIDIA GeForce RTX 3090 Ti?
- NVIDIA GeForce RTX 3080 has 10GB VRAM and a 320W TDP, while NVIDIA GeForce RTX 3090 Ti has 24GB VRAM and a 450W TDP.
- Does VRAM matter more than speed between NVIDIA GeForce RTX 3080 and NVIDIA GeForce RTX 3090 Ti?
- For AI, yes, NVIDIA GeForce RTX 3090 Ti fits 5 more of our 12 workloads than NVIDIA GeForce RTX 3080. A model that exceeds VRAM doesn't run slower, it doesn't run at all, so the card that fits the model wins that workload outright.
- Where is the biggest performance difference between NVIDIA GeForce RTX 3080 and NVIDIA GeForce RTX 3090 Ti?
- Stable Diffusion XL: NVIDIA GeForce RTX 3090 Ti leads by roughly 77% (4.76 vs 8.42 images/min) in our testing.
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