RTX 5070 Ti Laptop 12 GB vs RTX 4080 Laptop 12 GB for local AI
Both have 12 GB, so the same model files fit on both — the memory verdicts are identical for 49 of 49 models. The difference is speed and price, not what you can load.
RTX 5070 Ti Laptop 12 GB
- VRAM
- 12 GB
- Memory
- GDDR7
- Bandwidth
- 672 GB/s
- Architecture
- Blackwell
- FP8 compute
- Yes
- Power
- 60–115 W
VS
RTX 4080 Laptop 12 GB
- VRAM
- 12 GB
- Memory
- GDDR6
- Bandwidth
- —
- Architecture
- Ada Lovelace
- FP8 compute
- Yes
- Power
- 60–150 W
01Model by model
| Model | RTX 5070 Ti Laptop 12 GB | RTX 4080 Laptop 12 GB | ||
|---|---|---|---|---|
| image models | ||||
| FLUX.1 dev | Runs Q5_K_S | Runs Q5_K_S | ||
| FLUX.1 schnell | Runs Q5_K_S | Runs Q5_K_S | ||
| FLUX.1 Kontext | Runs Q5_K_M | Runs Q5_K_M | ||
| FLUX.1 Krea | Runs Q5_K_M | Runs Q5_K_M | ||
| FLUX.1 Fill | Runs Q5_K_S | Runs Q5_K_S | ||
| FLUX.2 dev | Offload only Q4_K_M | Offload only Q4_K_M | ||
| FLUX.2 klein 9B | Runs well FP8 | Runs well FP8 | ||
| FLUX.2 klein 4B | Runs well 16-bit | Runs well 16-bit | ||
| Krea 2 | Runs Q5_K_M | Runs Q5_K_M | ||
| Qwen-Image | Tight Q2_K | Tight Q2_K | ||
| Qwen-Image-Edit | Tight Q2_K | Tight Q2_K | ||
| Qwen-Image 2.1 | Runs well Q8_0 | Runs well Q8_0 | ||
| Z-Image Turbo | Runs well Q8_0 | Runs well Q8_0 | ||
| Z-Image | Runs well Q8_0 | Runs well Q8_0 | ||
| Ideogram 4 | Offload only Q4_1 | Offload only Q4_1 | ||
| Boogu-Image | Runs Q5_1 | Runs Q5_1 | ||
| ERNIE-Image | Runs well Q8_0 | Runs well Q8_0 | ||
| HiDream-O1 | Runs well FP8 | Runs well FP8 | ||
| Mage-Flow | Runs well 16-bit | Runs well 16-bit | ||
| Lumina 2.0 | Runs well 16-bit | Runs well 16-bit | ||
| HiDream-I1 Full | Tight Q3_K_M | Tight Q3_K_M | ||
| HiDream-I1 | Tight Q3_K_M | Tight Q3_K_M | ||
| SD 3.5 Large | Runs well Q8_0 | Runs well Q8_0 | ||
| SD 3.5 Medium | Runs well 16-bit | Runs well 16-bit | ||
| Chroma1-HD | Runs well FP8 | Runs well FP8 | ||
| SDXL | Runs well 16-bit | Runs well 16-bit | ||
| Illustrious / Pony | Runs well 16-bit | Runs well 16-bit | ||
| SD 1.5 | Runs well 16-bit | Runs well 16-bit | ||
| HunyuanImage 2.1 | Tight Q2_K | Tight Q2_K | ||
| video models | ||||
| Wan 2.1 14B | Tight Q3_K_M | Tight Q3_K_M | ||
| Wan 2.1 1.3B | Runs well 16-bit | Runs well 16-bit | ||
| Wan 2.1 I2V 480P | Offload only Q3_K_M | Offload only Q3_K_M | ||
| Wan 2.1 I2V 720P | Offload only Q4_K_M | Offload only Q4_K_M | ||
| Wan VACE 14B | Offload only Q3_K_S | Offload only Q3_K_S | ||
| Wan 2.2 T2V | Tight Q3_K_M | Tight Q3_K_M | ||
| Wan 2.2 I2V | Tight Q3_K_M | Tight Q3_K_M | ||
| Wan 2.2 5B | Runs well Q8_0 | Runs well Q8_0 | ||
| Wan 2.2 Animate | Tight Q2_K | Tight Q2_K | ||
| Wan Animate 2 | Tight Q2_K | Tight Q2_K | ||
| Wan 2.2 S2V | Offload only Q4_K_M | Offload only Q4_K_M | ||
| SCAIL-2 | Offload only Q2_K | Offload only Q2_K | ||
| HunyuanVideo 13B | Tight Q3_K_M | Tight Q3_K_M | ||
| LTX-Video 13B | Tight Q3_K_M | Tight Q3_K_M | ||
| HunyuanVideo 1.5 | Runs Q6_K | Runs Q6_K | ||
| LTX-2 | Offload only Q2_K | Offload only Q2_K | ||
| LTX-2.3 | Offload only Q2_K | Offload only Q2_K | ||
| LTX-2.5 | Offload only Q2_K | Offload only Q2_K | ||
| MiniMax H3 | Offload only Q4_K_M | Offload only Q4_K_M | ||
| MiniMax H3 Pruned | Offload only Q4_K_M | Offload only Q4_K_M | ||
Highlighted: the GPU that runs a better file for that model. Launch prices are the maker’s original list prices, not today’s street prices. Calculated from real file sizes; how the numbers work.
02Score
17run well on RTX 5070 Ti Laptop 12 GB
17run well on RTX 4080 Laptop 12 GB
0better on RTX 5070 Ti Laptop 12 GB
0better on RTX 4080 Laptop 12 GB