Head to head · October 2026
RTX 5070 Ti vs RX 9070 XT: which is better for local AI?
16GB against 16GB, 896 against 640 GB/s. What each runs, how fast, and which one to buy.
The verdict
Both have 16GB of memory, so they run the same models. The RTX 5070 Ti generates text about 69% faster thanks to 896 GB/s of memory bandwidth versus 640 GB/s. The RX 9070 XT costs about $400 less ($800 vs $1,200).
- Get the RTX 5070 Ti if speed matters most or you want the widest software support (CUDA).
- Get the RX 9070 XT if you want the most for your money.
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Performance
Model by model
Estimated single-user generation speed for popular models, at the best quantization each card can hold with 8K context.
| Model | RTX 5070 Ti | RX 9070 XT |
|---|---|---|
| Llama 3.1 8B Instruct | ~77 tok/sQ8_0 | ~45 tok/sQ8_0 |
| Qwen3 14B | ~63 tok/sQ5_K_M | ~37 tok/sQ5_K_M |
| gpt-oss-20b | ~125 tok/sMXFP4 Fits, tight | ~75 tok/sMXFP4 Fits, tight |
| Qwen3 30B-A3B (2507) | ~55 tok/sQ4_K_M Partial offload | ~46 tok/sQ4_K_M Partial offload |
| Gemma 3 27B | ~51 tok/sQ3_K_M Fits, tight | ~30 tok/sQ3_K_M Fits, tight |
| Qwen3 32B | ~5.3 tok/sQ4_K_M Partial offload | ~5.0 tok/sQ4_K_M Partial offload |
| Llama 3.3 70B Instruct | ~1.4 tok/sQ4_K_M Partial offload | ~1.4 tok/sQ4_K_M Partial offload |
| gpt-oss-120b | Won't fit | Won't fit |
Estimates from our bandwidth model; see methodology. Measured results, where we have them, are on each GPU's page.
Specifications
Spec by spec
| Spec | RTX 5070 Ti | RX 9070 XT |
|---|---|---|
| Memory | 16GB GDDR7 | 16GB GDDR6 |
| Bandwidth | 896 GB/s● | 640 GB/s |
| Power | 300W● | 304W |
| Price | ~$1,200 | ~$800● |
| Price per GB | $75 | $50● |
| Architecture | Blackwell | RDNA 4 |
| Released | 2025 | 2025 |
| Software | CUDA, Vulkan | ROCm, Vulkan |
Our take
Bottom line on each
The best value in the RTX 50 lineup for 16GB of fast CUDA memory.
A solid 16GB RDNA 4 card with improving ROCm support, trailing the RTX 5070 Ti on bandwidth.
Frequently asked questions
Is the RTX 5070 Ti or RX 9070 XT better for running LLMs?
Both have 16GB of memory, so they run the same models. The RTX 5070 Ti generates text about 69% faster thanks to 896 GB/s of memory bandwidth versus 640 GB/s. The RX 9070 XT costs about $400 less ($800 vs $1,200).
How much faster is the RTX 5070 Ti than the RX 9070 XT for AI?
About 69% faster at generating text in our estimates, because token generation is limited by memory bandwidth (896 GB/s vs 640 GB/s). Prompt processing depends more on compute and can differ by more.
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