GeForce RTX 5090 for local AI.
With 32 GB it runs Qwen3.8 27B (needs 22.7 GB). 75 models fit. Published speed: gpt-oss-20b at 318.4 tokens/sec.
Memory32 GB
vram
Bandwidth1792 GB/s
Higher means faster answers.
PriceFrom about $5,700
As of 2026-10-15. Check before buying.
By memory option.
| Memory | Usable | Models that fit | Best three |
|---|---|---|---|
| 32 GB | 31 GB | 75 | Qwen3.8 27B (22.7 GB), K2 Horizon MoVA 36B-A4B (28.1 GB), Qwen3.5 27B (21.5 GB) |
Published speeds.
Measured by others, with sources. Not our tests.
| Model | Tokens/sec | Engine | Setup | Source |
|---|---|---|---|---|
| gpt-oss-20b | 318.4 | llama.cpp · MXFP4 | RTX 5090 + Ryzen 7 9850X3D (chat-short workload) | community-measured · 2026-10-15 |
Short answers.
- What is the best local LLM for the GeForce RTX 5090?
- With 32 GB, Qwen3.8 27B (needs 22.7 GB, AA 33.7). 75 of 124 models fit.
- How fast is the GeForce RTX 5090 for local AI?
- Published: gpt-oss-20b at 318.4 tokens/sec (llama.cpp, RTX 5090 + Ryzen 7 9850X3D (chat-short workload)). These are other people's measurements, not ours.
- How much does the GeForce RTX 5090 cost?
- From about $5,700 (as of 2026-10-15). 2026 prices are inflated by the memory-chip shortage; check before buying.
Specs from NVIDIA – Compare GeForce graphics cards (memory, bandwidth, TGP) (2026-10-15). Prices are approximate and dated; 2026 prices are inflated by the memory-chip shortage.
# GeForce RTX 5090 for local AI URL: https://insidethemachine.ai/machines/rtx-5090 Type: NVIDIA graphics card. Chip: RTX 5090. Memory: vram, options 32 GB. Bandwidth: 1792 GB/s. Spec source: https://www.nvidia.com/en-us/geforce/graphics-cards/compare/ (2026-10-15). Price: from about $5,700 (2026-10-15, approximate). Status: current. ## Which models fit | memory GB | usable GB | models that fit | best 3 | |---|---|---|---| | 32 | 31 | 75 | Qwen3.8 27B (22.7 GB), K2 Horizon MoVA 36B-A4B (28.1 GB), Qwen3.5 27B (21.5 GB) | ## Published speeds (not our tests) - gpt-oss-20b: 318.4 tok/s decode (llama.cpp, MXFP4, RTX 5090 + Ryzen 7 9850X3D (chat-short workload), community-measured) https://llm-speed.com/m/gpt-oss-20b (2026-10-15) Notes: Street price is ~3.5× MSRP amid the 2026 DRAM shortage; rtx.live lists lowest in-stock at $5,700 (Micro Center). ## Questions **What is the best local LLM for the GeForce RTX 5090?** With 32 GB, Qwen3.8 27B (needs 22.7 GB, AA 33.7). 75 of 124 models fit. **How fast is the GeForce RTX 5090 for local AI?** Published: gpt-oss-20b at 318.4 tokens/sec (llama.cpp, RTX 5090 + Ryzen 7 9850X3D (chat-short workload)). These are other people's measurements, not ours. **How much does the GeForce RTX 5090 cost?** From about $5,700 (as of 2026-10-15). 2026 prices are inflated by the memory-chip shortage; check before buying.