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NVIDIA GeForce RTX 2050 Mobile
Runs downloadable LLMs up to ~2.5B at Q4, ~18.3-21.8 tok/s on an 8B model.
What you can run
At 8k context, FP16 KV. Full-speed tok/s holds up to "max ctx"; beyond it the context spills to system RAM (CPU/PCIe offload) and drops to the degraded figure.
| Model size | FP16 | Q8 | Q4 |
|---|---|---|---|
| 3B | won't run | won't run |
48.7-58 t/s ≤8k ctx · then ~17.4-20.7 (slow) |
| 7-8B | won't run | won't run | won't run |
| 13B | won't run | won't run | won't run |
| 32B | won't run | won't run | won't run |
| 70B | won't run | won't run | won't run |
| 120B | won't run | won't run | won't run |
| 400B | won't run | won't run | won't run |
Estimate: tok/s ≈ bandwidth ÷ (params × bytes/param) × efficiency (NVIDIA). Cyan = fits ~3.7 GB usable. Beyond "ctx", KV spills to system RAM (CPU/PCIe offload) (rough degraded speed shown).
What else you need for a full build▶
Minimum supporting components for a desktop built around the NVIDIA GeForce RTX 2050 Mobile. Guidance — exact needs depend on your case, other parts and how much you offload to system RAM.
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About the NVIDIA GeForce RTX 2050 Mobile
NVIDIA GeForce RTX 2050 Mobile is a discrete GPU from NVIDIA, 2021. For local genAI the numbers that matter are its 4 GB (how big a model + context fits) and 112 GB/s bandwidth (generation speed).
Frequently asked questions
What size LLM can the NVIDIA GeForce RTX 2050 Mobile run?▶
With ~3.7 GB usable it runs up to ~2.5B at Q4 (~0.5B at FP16) at 8k context. Bigger spills into system RAM (CPU/PCIe offload) and slows sharply.
How many tokens/sec does the NVIDIA GeForce RTX 2050 Mobile generate?▶
Generation is bandwidth-bound. At 112 GB/s an 8B model at Q4 runs ~18.3-21.8 tok/s (estimate).
Why does long context slow it down?▶
The KV cache for the context must also fit fast memory; once weights+KV exceed 3.7 GB it spills to system RAM (CPU/PCIe offload) and throughput collapses. Each row shows the max usable context.
What else do I need to run the NVIDIA GeForce RTX 2050 Mobile?▶
Besides the card: at least 16GB of system RAM (2× the 4GB VRAM is ideal for CPU offload), a free PCIe x16 slot, any modern multi-core CPU, and a ≥1TB NVMe SSD for model weights.