HARDWARE FIT CHECK • Meta Llama 3.3 70B Instruct + AMD Strix Halo Mini-PC (Ryzen AI Max+ 395 128GB)49.96 GB / 110 GB VRAM

Can I Run Meta Llama 3.3 70B Instruct on AMD Strix Halo Mini-PC (Ryzen AI Max+ 395 128GB)?

Full VRAM footprint analysis, tokens/sec generation benchmark, and copy-paste Ollama & vLLM runtime commands for running Meta Llama 3.3 70B Instruct (70.6B) on AMD Strix Halo Mini-PC (Ryzen AI Max+ 395 128GB) (110 GB).

✅ Runs 100% in GPU VRAM (Optimal Headroom)49.96 GB (45%)~3 t/s

Model & Target Hardware

interactive
Standard 70B Dense Enterprise Baseline for 48GB–64GB Rigs
Meta Llama 3.3 70B Instruct on AMD Strix Halo Mini-PC (Ryzen AI Max+ 395 128GB)

✓ Fits Comfortably in VRAM

✓ FITS IN VRAM
Required VRAM
49.96 GB
45% of hardware capacity (110 GB)
Est. Decode Speed
~3 tok/s
Dense model @ 256 GB/s
Available Headroom
+60.04 GB
Safe for OS display & full context
Memory Allocation & Headroom
49.96 GB allocated of 110 GB capacity
45% utilized
Weights: 42.36 GB
KV: (32K): 5.37 GB
Overhead: 2.23 GB
Free Headroom: +60.04 GB
⚡ Architecture & Throughput Transparency: Single-user decode speed (~3 tok/s) is memory-bandwidth bound at batch size = 1 on AMD Strix Halo Mini-PC (Ryzen AI Max+ 395 128GB) (256 GB/s). Prompt prefill / TTFT (~44 tok/s) is compute-bound and utilizes GPU Tensor cores. Actual latency varies with FlashAttention-2 and runtime engine (Ollama/vLLM/llama.cpp).
OLLAMA_FLASH_ATTENTION=1 OLLAMA_KV_CACHE_TYPE=q8_0 ollama run llama3.3:70b

Quantization Precision Matrix

32K ctx • KV: Q8_0
QuantizationWeightsKV CacheTotal VRAMEst. SpeedFit Status
FP1616 bpw141.2 GB5.37 GB152.26 GB (138%)0 t/sOOM
Q8_08.5 bpw74.84 GB5.37 GB83.58 GB (76%)~2 t/sFITS
Q6_K6.56 bpw57.89 GB5.37 GB66.04 GB (60%)~2 t/sFITS
Q5_K_M5.68 bpw50.13 GB5.37 GB58 GB (53%)~3 t/sFITS
Q4_K_M4.8 bpw42.36 GB5.37 GB49.96 GB (45%)~3 t/sFITS
FP44.25 bpw37.42 GB5.37 GB44.85 GB (41%)~4 t/sFITS
IQ3_XS3.3 bpw28.95 GB5.37 GB36.08 GB (33%)~5 t/sFITS

Local Hardware Configurations & Pricing

High-bandwidth VRAM specs and current market prices
Unified APU / Mini-PC110 GB VRAM

AMD Strix Halo Mini-PC (Ryzen AI Max+ 395 128GB)

Cheapest 128GB unified memory box for loading 70B–109B models

256 GB/s120W TDP
Consumer GPU32 GB VRAM

NVIDIA GeForce RTX 5090 (32GB GDDR7)

Maximum tokens/sec on 27B–35B models & Blackwell FP4 quantization

1792 GB/s575W TDP
Consumer GPU24 GB VRAM

NVIDIA GeForce RTX 4090 (24GB GDDR6X)

The 24GB CUDA enthusiast standard for 14B–32B Q4_K_M models

1008 GB/s450W TDP
Multi-GPU Rig48 GB VRAM

2x NVIDIA RTX 3090 Dual Rig (48GB Total VRAM)

Best price-to-VRAM homelab rig for 70B Q4_K_M & Qwen 3.8 27B Q8

936 GB/s700W TDP

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