Qwen3-4B VRAM Requirements & GPU Benchmarks
Qwen3-4B (4.02B total, 4.02B active, 36L, 8 KV heads, vocab 151936) requires 3.61 GB in 4-bit Q4_K_M, 5.07 GB in FP8, and 8.68 GB in FP16 at 8K context.
CLOUD GPU & RENT-VS-BUY TCO CALCULATOR
Need More VRAM? Rent Pre-Configured Cloud GPUs Instantly (Qwen3-4B: 3.61 GB in 4-bit)
Recommended Cloud Tier: RTX 4090 (24GB) Β· Full FP16 Needs: 8.68 GB
Hardware Break-Even vs Buying: ~32 months (vs $1,699 hardware)
| Cloud Provider | RTX 4090 (24GB) | A100 (80GB) | H100 (80GB) | Est. Monthly Cost (4h/day) | Free Credit / Trial | Deploy |
|---|---|---|---|---|---|---|
| RunPod | $0.44 / hr | $1.39 / hr | $2.39 / hr | $52.80 / mo | Instant PyTorch / vLLM Templates + Serverless GPU | Deploy on RunPod β |
| Vast.ai | $0.29 / hr | $0.95 / hr | $1.79 / hr | $34.80 / mo | Save 50β70% on RTX 4090 / 5090 / A100 rentals | Rent Spot GPU β |
| Vultr Cloud GPU | β | $1.79 / hr | $2.69 / hr | $214.80 / mo (A100) | $300 Free Credit | Claim $300 Credit β |
| DigitalOcean GPU | β | β | $2.99 / hr | $358.80 / mo (H100) | $200 Free Credit (60d) | Get $200 Credit β |
| GPU Hardware | VRAM | Bandwidth | FP16 (8.68GB) | Q4_K_M (3.61GB) | Decode / Prefill Speed | Report |
|---|---|---|---|---|---|---|
| NVIDIA RTX 5090 | 32 GB | 1792 GB/s | Yes | Yes (11%) | ~350 / 13550 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA RTX 4090 | 24 GB | 1008 GB/s | Yes | Yes (15%) | ~285.4 / 10685 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA RTX 5080 | 16 GB | 960 GB/s | Yes | Yes (23%) | ~271.8 / 7289 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA RTX 4080 Super | 16 GB | 736 GB/s | Yes | Yes (23%) | ~208.4 / 6752 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA RTX 4070 Ti Super | 16 GB | 672 GB/s | Yes | Yes (23%) | ~190.3 / 5704 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA RTX 3090 | 24 GB | 936 GB/s | Yes | Yes (15%) | ~265 / 4592 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA RTX 4060 Ti 16GB | 16 GB | 288 GB/s | Yes | Yes (23%) | ~81.5 / 2852 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA RTX 3060 12GB | 12 GB | 360 GB/s | Yes | Yes (30%) | ~101.9 / 1643 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA RTX 6000 Ada | 48 GB | 960 GB/s | Yes | Yes (8%) | ~271.8 / 11784 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA RTX A6000 | 48 GB | 768 GB/s | Yes | Yes (8%) | ~217.4 / 5006 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA L40S 48GB | 48 GB | 864 GB/s | Yes | Yes (8%) | ~244.6 / 18000 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA A100 80GB SXM | 80 GB | 2039 GB/s | Yes | Yes (5%) | ~350 / 18000 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA H100 80GB SXM | 80 GB | 3350 GB/s | Yes | Yes (5%) | ~350 / 18000 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA H200 141GB SXM | 141 GB | 4800 GB/s | Yes | Yes (3%) | ~350 / 18000 tok/s | Calculate Exact VRAM & Speed β |
| NVIDIA Blackwell B200 192GB | 192 GB | 8000 GB/s | Yes | Yes (2%) | ~350 / 18000 tok/s | Calculate Exact VRAM & Speed β |
| AMD Instinct MI300X 192GB | 192 GB | 5300 GB/s | Yes | Yes (2%) | ~350 / 18000 tok/s | Calculate Exact VRAM & Speed β |
| 2x NVIDIA RTX 3090 (48GB) | 48 GB | 936 GB/s | Yes | Yes (8%) | ~265 / 9184 tok/s | Calculate Exact VRAM & Speed β |
| 2x NVIDIA RTX 4090 (48GB) | 48 GB | 1008 GB/s | Yes | Yes (8%) | ~285.4 / 18000 tok/s | Calculate Exact VRAM & Speed β |
| 4x NVIDIA A100 80GB (320GB) | 320 GB | 2039 GB/s | Yes | Yes (1%) | ~350 / 18000 tok/s | Calculate Exact VRAM & Speed β |
| 8x NVIDIA H100 80GB (640GB) | 640 GB | 3350 GB/s | Yes | Yes (1%) | ~350 / 18000 tok/s | Calculate Exact VRAM & Speed β |
| Apple M4 Max (128GB Unified) | 128 GB | 546 GB/s | Yes | Yes (3%) | ~169.1 / 2380 tok/s | Calculate Exact VRAM & Speed β |
| Apple M3 Ultra Mac Studio (512GB) | 512 GB | 819 GB/s | Yes | Yes (1%) | ~253.6 / 3505 tok/s | Calculate Exact VRAM & Speed β |
| Apple M4 Pro Mac Mini (64GB) | 64 GB | 273 GB/s | Yes | Yes (6%) | ~84.5 / 1190 tok/s | Calculate Exact VRAM & Speed β |