📍 Part of the Local LLMs in 2026 guide
DeepSeek Coder V2 33B needs 19.5 GB VRAM at Q4. The RTX 3090 24GB has 24 GB.
● DeepSeek Coder V2 33B (DeepSeek) is a 33B parameter model used for Code generation and analysis. Top-tier code model, competitive with GPT-4 for programming.
VRAM Requirements
| Quantization | VRAM Needed | RTX 3090 24GB |
|---|---|---|
| Q4_K_M (recommended) | 19.5 GB | ✅ |
| Q8_0 (high quality) | 34 GB | ❌ |
Expected Performance
Running DeepSeek Coder V2 33B at Q4 on the RTX 3090 24GB, expect approximately ~18 tokens/sec with Ollama or llama.cpp. That’s fast enough for interactive chat — you’ll see responses streaming in real-time.
Headroom: With 19.5 GB used out of 24 GB, you have 4.5 GB free for KV cache (context window). At 4K context, this is plenty. At 32K+ context you may need to reduce batch size.
About the RTX 3090 24GB
Pros: 24GB sweet spot for 27-34B models, great used value
Cons: Power hungry (350W), loud, large card
Price: ~$800 used — Check current price on Amazon →