Mistral Small 4 (119B MoE) GPU Hardware & VRAM Calculator
Mistral AI's highly versatile 'all-in-one' model that merges advanced reasoning, vision (Pixtral), and agentic coding into a single highly optimized sparse MoE framework.
📊 Real-Time VRAM Mathematical Formulation & Derivation
How did we arrive at 80 GB? Below is the verified industrial infrastructure forecasting model.
The VRAM Forecasting Equation
Total VRAM = (Model Weights + KV Cache) × System Overhead
VRAM = ((Params × Bits / 8) + (Context / 1024 × 0.5)) × 1.25
1. Input Parameters & Constants Mapping
Model Variables
- • Params (Model Size): 119 Billion
- • Bits (Precision): 4-bit (Selected via slider)
Runtime Constants
- • Context Window: 8,192 Tokens (Selected via slider)
- • KV Cache Factor: 0.5 GB / 1K Tokens (Empirical baseline)
- • System Overhead: 1.25 (25%) (CUDA Context & Activation buffer)
2. Step-by-Step Calculation Engine
[Step 1] Compute Model Weights Allocation:
Formula: (Parameters × Bits) / 8 Bytes per GB
➔ (119B × 4) / 8 = 59.50 GB
[Step 2] Compute Key-Value (KV) Cache Matrix Size:
Formula: (Tokens / 1024) × 0.5 GB Baseline
➔ (8192 / 1024) × 0.5 = 4.00 GB
[Step 3] Apply System Overhead Risk Buffer:
Formula: (Weights + KV Cache) × 1.25 CUDA Runtime Multiplier
➔ (59.50GB + 4.00GB) × 1.25 = 79.38 GB
[Final Step] Rounding Ceiling (Ceil):⌈ 79.38 ⌉ = 80 GB
Live Cloud GPU Cost Breakdown
| GPU Hardware | Required Cluster Size | Combined VRAM | Estimated Cost | Deployment Link |
|---|---|---|---|---|
| NVIDIA Blackwell B200 | 1x Node | 192 GB | $4.85/hr | Rent via RunPod ↗ |
| NVIDIA Hopper H200 141GB | 1x Node | 141 GB | $2.95/hr | Rent via RunPod ↗ |
| NVIDIA H100 SXM 80GB | 1x Node | 80 GB | $2.19/hr | Rent via RunPod ↗ |
| NVIDIA H100 PCIe 80GB | 1x Node | 80 GB | $1.75/hr | Rent via RunPod ↗ |
| NVIDIA A100 SXM 80GB | 1x Node | 80 GB | $1.35/hr | Rent via RunPod ↗ |
| NVIDIA A10G 24GB | 4x Node | 96 GB | $3.16/hr | Rent via RunPod ↗ |
| NVIDIA L4 24GB | 4x Node | 96 GB | $2.20/hr | Rent via RunPod ↗ |
| NVIDIA RTX 4090 24GB | 4x Node | 96 GB | $2.60/hr | Rent via RunPod ↗ |
| NVIDIA RTX 3090 24GB | 4x Node | 96 GB | $1.56/hr | Rent via RunPod ↗ |
| AMD Instinct MI300X | 1x Node | 192 GB | $2.65/hr | Rent via RunPod ↗ |
| NVIDIA RTX 5090 32GB | 3x Node | 96 GB | $4.74/hr | Rent via RunPod ↗ |
| NVIDIA H100 NVL 94GB | 1x Node | 94 GB | $3.19/hr | Rent via RunPod ↗ |
| NVIDIA L40S 48GB | 2x Node | 96 GB | $3.80/hr | Rent via RunPod ↗ |
| NVIDIA RTX 6000 Ada 48GB | 2x Node | 96 GB | $4.18/hr | Rent via RunPod ↗ |
| NVIDIA RTX A6000 48GB | 2x Node | 96 GB | $2.44/hr | Rent via RunPod ↗ |
| NVIDIA A100 PCIe 80GB | 1x Node | 80 GB | $1.19/hr | Rent via RunPod ↗ |
| NVIDIA RTX A5000 24GB | 4x Node | 96 GB | $1.08/hr | Rent via RunPod ↗ |
| NVIDIA RTX Pro 6000 96GB | 1x Node | 96 GB | $2.09/hr | Rent via RunPod ↗ |
| NVIDIA A40 48GB | 2x Node | 96 GB | $0.88/hr | Rent via RunPod ↗ |
| NVIDIA L40 48GB | 2x Node | 96 GB | $1.38/hr | Rent via RunPod ↗ |
| NVIDIA A100 PCIe 40GB | 2x Node | 80 GB | $1.20/hr | Rent via RunPod ↗ |
| NVIDIA RTX 4000 Ada 24GB | 4x Node | 96 GB | $1.80/hr | Rent via RunPod ↗ |
| NVIDIA RTX A4000 16GB | 5x Node | 80 GB | $1.15/hr | Rent via RunPod ↗ |
| AMD Instinct MI210 64GB | 2x Node | 128 GB | $1.50/hr | Rent via RunPod ↗ |
Pros & Cons of Mistral Small 4 (119B MoE)
PROS
- Apache 2.0 license for unrestricted commercial application
- Blazing fast inference speeds averaging over 130 tokens/second
- Excellent balance of multi-turn logic and multimodal capabilities
CONS
- Slightly lower absolute academic benchmark density compared to heavy dense models
Production Deployment Guide
# Option 1: Quick Local Deployment via Ollama
ollama run mistral-small:4# Option 2: High-Throughput Cluster via vLLM
python -m vllm.entrypoints.openai.api_server --model mistralai/Mistral-Small-4-Instruct --tensor-parallel-size 2