Can I Run Google Gemma 4 26B MoE on Apple Mac Studio M2 Ultra (192GB Unified Memory)?
Full VRAM footprint analysis, tokens/sec generation benchmark, and copy-paste Ollama & vLLM runtime commands for running Google Gemma 4 26B MoE (26.4B) on Apple Mac Studio M2 Ultra (192GB Unified Memory) (144 GB).
✓ Fits Comfortably in VRAM
OLLAMA_FLASH_ATTENTION=1 OLLAMA_KV_CACHE_TYPE=q8_0 ollama run gemma4:26bLocal Hardware Configurations & Pricing
NVIDIA GeForce RTX 5090 (32GB GDDR7)
Maximum tokens/sec on 27B–35B models & Blackwell FP4 quantization
NVIDIA GeForce RTX 4090 (24GB GDDR6X)
The 24GB CUDA enthusiast standard for 14B–32B Q4_K_M models
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
Apple Mac Studio M2 Ultra (192GB Unified Memory)
Silent 144GB usable unified VRAM running 70B FP16 & 405B Q3
Cloud Instance Options for Google Gemma 4 26B MoE
On-DemandDeploy this model on an on-demand cloud GPU without local hardware constraints or power usage:
Quantization Precision Matrix
32K ctx • KV: Q8_0| Quantization | Weights | KV Cache | Total VRAM | Est. Speed | Fit Status |
|---|---|---|---|---|---|
| FP1616 bpw | 52.8 GB | 3.09 GB | 58.49 GB (41%) | ~57 t/s | FITS |
| Q8_08.5 bpw | 27.98 GB | 3.09 GB | 32.8 GB (23%) | ~100 t/s | FITS |
| Q6_K6.56 bpw | 21.65 GB | 3.09 GB | 26.25 GB (18%) | ~123 t/s | FITS |
| Q5_K_M5.68 bpw | 18.74 GB | 3.09 GB | 23.24 GB (16%) | ~139 t/s | FITS |
| Q4_K_M4.8 bpw | 15.84 GB | 3.09 GB | 20.23 GB (14%) | ~158 t/s | FITS |
| FP44.25 bpw | 13.99 GB | 3.09 GB | 18.32 GB (13%) | ~173 t/s | FITS |
| IQ3_XS3.3 bpw | 10.82 GB | 3.09 GB | 15.04 GB (10%) | ~209 t/s | FITS |
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Frequently Asked Questions: Google Gemma 4 26B MoE on Apple Mac Studio M2 Ultra (192GB Unified Memory)
How much VRAM does Google Gemma 4 26B MoE need on Apple Mac Studio M2 Ultra (192GB Unified Memory)?
At standard 4-bit quantization (Q4_K_M) with 32K context, Google Gemma 4 26B MoE requires 20.23 GB of total VRAM (weights + KV cache + CUDA runtime overhead).
What inference speed will Google Gemma 4 26B MoE achieve on Apple Mac Studio M2 Ultra (192GB Unified Memory)?
Based on Apple Mac Studio M2 Ultra (192GB Unified Memory)'s 800 GB/s memory bandwidth, expected decode speed is approximately 158 tokens per second.
Can I expand context beyond 32K tokens?
Each additional 32K tokens of context requires additional KV cache memory. For longer context windows, consider 8-bit or 4-bit KV cache quantization.