ASUS ROG Strix SCAR 18 (2025, RTX 5080): which AI models can it run?
Estimated from the specifications below. Choose the memory size you have or plan to buy, then read the table for that size.
Specifications
- Brand
- ASUS
- Year
- 2025
- Chip
- Intel Core Ultra 9 275HX
- Processor
- Intel Core Ultra 9 275HX (24 cores)
- Graphics
- NVIDIA GeForce RTX 5080 Laptop GPU (16GB GDDR7)
- Memory type
- DDR5-5600 SO-DIMM
- Memory options
- 64 GB
- Graphics memory
- 16 GB
- Memory bandwidth
- 896 GB/s
Sources: https://rog.asus.com/laptops/rog-strix/rog-strix-scar-18-2025/spec/, https://www.nvidia.com/en-us/geforce/laptops/50-series/
The spec table prints 32GB x 2 DDR5-5600 SO-DIMM (64GB) for every SKU. Bandwidth is the figure in our chip list for this GPU.
With 64 GB of memory
About 16 GB of it can hold a model.
| Model | Fit | Needs (GB) | Writing speed (tokens per second) | Speed | Quality | Basis |
|---|---|---|---|---|---|---|
| Llama 3.2 3B llama3.2:3b |
Fits | 5 | 157 to 291 | Fast | not measured yet | Estimated |
| Qwen3 4B qwen3:4b · thinks first |
Fits | 6 | 125 to 233 | Fast | not measured yet | Estimated |
| Gemma 3 4B gemma3:4b |
Fits | 6.7 | 95 to 176 | Fast | not measured yet | Estimated |
| Mistral 7B v0.3 mistral:7b |
Fits | 7.8 | 71 to 132 | Fast | not measured yet | Estimated |
| Llama 3.1 8B llama3.1:8b |
Fits | 8.3 | 64 to 119 | Fast | not measured yet | Estimated |
| Qwen3 8B qwen3:8b · thinks first |
Fits | 8.9 | 60 to 112 | Fast | not measured yet | Estimated |
| Gemma 3 12B gemma3:12b |
Tight | 15.9 | 39 to 72 | Fast | not measured yet | Estimated |
| DeepSeek-R1 Distill Qwen 14B deepseek-r1:14b · thinks first |
Fits | 13.7 | 35 to 65 | Fast | not measured yet | Estimated |
| Phi-4 14B phi4:14b |
Fits | 13.9 | 34 to 64 | Fast | not measured yet | Estimated |
| Qwen3 14B qwen3:14b · thinks first |
Fits | 13.4 | 34 to 63 | Fast | not measured yet | Estimated |
| gpt-oss 20B gpt-oss:20b · thinks first Part of the model runs from system memory, which is much slower. |
Partial offload (slow) | 16.5 | 12 to 22 | Fast | not measured yet | Estimated |
| Gemma 3 27B gemma3:27b Part of the model runs from system memory, which is much slower. |
Partial offload (slow) | 27.2 | 2.8 to 5.1 | Unclear could be Slow or Moderate | not measured yet | Estimated |
| Qwen3 30B (A3B) qwen3:30b · thinks first Part of the model runs from system memory, which is much slower. |
Partial offload (slow) | 22.6 | 14 to 25 | Fast | 9.3/10 | Estimated |
| Qwen3 32B qwen3:32b · thinks first Part of the model runs from system memory, which is much slower. |
Partial offload (slow) | 26.3 | 2.4 to 4.4 | Slow | not measured yet | Estimated |
| Llama 3.1 70B llama3.1:70b Part of the model runs from system memory, which is much slower. |
Partial offload (slow) | 51.5 | 1.1 to 2 | Slow | not measured yet | Estimated |
| gpt-oss 120B gpt-oss:120b · thinks first Part of the model runs from system memory, which is much slower. |
Partial offload (slow) | 70.5 | 10 to 18 | Unclear could be Moderate or Fast | not measured yet | Estimated |
Models marked "thinks first" can write out their reasoning before they answer, so a job takes longer than the speed alone suggests.
Editing, gaming, CAD and other work
Each app below publishes a minimum and a recommended system requirement. We compare them with this laptop's memory and graphics memory. We do not judge the graphics chip's class, the processor generation or the operating system, because the makers describe those in words: check the source link for the exact card, processor and system they name. Many apps and games run only on Windows or only on macOS. Integrated graphics count as below any requirement for a dedicated card. Not known means the maker does not state this laptop's graphics memory.
Labels follow the makers' published lists. All use cases.
Speed is the speed of writing an answer, shown as a range. Reading speed is not estimated. How the estimates work · How close they are · Back to the finder