Mac Studio M3 Ultra 256GBOpção econômica
256 GB Unified (+128)
B
Adds memory headroom for longer context windows and future model growth.56 tok/s decodificação
Adds memory headroom for longer context windows and future model growth.
~$6,999 MSRP
Can Phi 3.5 Mini 4B run on Intel Data Center GPU Max 1550 128GB?
YES — Runs Great
B60Good
Estimated from fit model
Phi 3.5 Mini 4B needs ~22.0 GB VRAM. Intel Data Center GPU Max 1550 128GB has 128.0 GB. With Q4_K_M quantization, expect ~56 tok/s.
Runtime: llama.cppCapacity: RoomyBandwidth: HighStack: StandardBottleneck: Balanced
Operating mode
Choose the run profile you care about
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
Q4_K_M (Medium quality) — 22.0 GB, 56.0 tok/s, Runs well
22.0 GB required128.0 GB available
17% VRAM used
Fit status
Runs well
Decode
56.0 tok/s
TTFT
3457 ms
Safe context
128K
Memory
22.0 GB / 128.0 GB
Memory breakdown
Weights2.4 GB
KV Cache5.9 GB
Runtime0.9 GB
Headroom12.8 GB
See how fast it feels
See how fast it feelsPhi 3.5 Mini 4B on Intel Data Center GPU Max 1550 128GB
1st promptCold start — includes initialization
>What is local AI inference?
Local AI inference means running an AI language model directly on your own hardware — your laptop, desktop, or server — instead of sending requests to a remote cloud API.
When you run inference locally the model weights are loaded into your GPU or unified memory. Each token you generate requires reading those weights from memory, so memory bandwidth is the main bottleneck for decode speed.
Key benefits of running locally:
- Full privacy: your prompts never leave your machine
- No per-token cost or rate limits
- Works offline once the model is downloaded
- Latency depends only on your hardware
2nd promptWarm — model ready, no init overhead
>How much VRAM do I need?
It depends on the model size and quantization level. A rough rule of thumb:
Model size Q4 (4-bit) Q8 (8-bit) FP16
7B params ~4.3 GB ~7.5 GB ~14 GB
13B params ~7.9 GB ~13.9 GB ~26 GB
70B params ~42.7 GB ~74.9 GB ~140 GB
Most people use 4-bit quantization (Q4_K_M) which gives 90-95% of full quality at a fraction of the memory. A 24 GB GPU can comfortably run most 7B-13B models.
Estimated: 56.0 tok/s decode · 3.5s TTFT (warm) · 140 tok/s prefill
What limits this setup
The raw memory story may look fine, but the software ecosystem is still a constraint here.
Runtime ecosystem is narrower than CUDA
Intel GPUs can look attractive on memory per dollar, but local AI tooling, kernels, and model coverage are still broader and easier on CUDA today.
Best improvement path
Prefer CUDA if you want the path of least resistance
If your goal is maximum runtime coverage, easier troubleshooting, and better support for new local AI releases, CUDA is usually still the safer upgrade path.
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | B | Runs well | 56.0 tok/s | 1886 ms | 128K |
| Coding | B | Runs well | 56.0 tok/s | 3457 ms | 128K |
| Agentic Coding | B | Runs well | 56.0 tok/s | 5029 ms | 128K |
| Reasoning | B | Runs well | 56.0 tok/s | 4086 ms | 128K |
| RAG | B | Runs well | 56.0 tok/s | 6286 ms | 128K |
Quantization options
How Phi 3.5 Mini 4B (4B params) fits at each quantization level on Intel Data Center GPU Max 1550 128GB (128.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 1.6 GB | Low | C54 |
Q3_K_S | 3 | 2.0 GB | Low | C54 |
NVFP4 | 4 | 2.2 GB | Medium | C54 |
Q4_K_M | 4 | 2.4 GB | Medium | C54 |
Q5_K_M | 5 | 2.9 GB | High | C54 |
Q6_K | 6 | 3.3 GB | High | C54 |
Q8_0 | 8 | 4.3 GB | Very High | C54 |
F16Best for your GPU | 16 | 8.2 GB | Maximum | C54 |
Get started
Copy-paste commands to run Phi 3.5 Mini 4B on your machine.
Run
ollama run phi3.5Opções de upgrade
Hardware que roda bem Phi 3.5 Mini 4B
Frequently asked questions
Can Intel Data Center GPU Max 1550 128GB run Phi 3.5 Mini 4B?
Yes, Intel Data Center GPU Max 1550 128GB can run Phi 3.5 Mini 4B with a B grade (Runs well). Expected decode speed: 56.0 tok/s.
How much VRAM does Phi 3.5 Mini 4B need?
Phi 3.5 Mini 4B (4B parameters) requires approximately 22.0 GB of memory with Q4_K_M quantization.
What is the best quantization for Phi 3.5 Mini 4B?
The recommended quantization for Phi 3.5 Mini 4B is Q4_K_M, which balances quality and memory efficiency.
What speed will Phi 3.5 Mini 4B run at on Intel Data Center GPU Max 1550 128GB?
On Intel Data Center GPU Max 1550 128GB, Phi 3.5 Mini 4B achieves approximately 56.0 tokens per second decode speed with a time-to-first-token of 3457ms using Q4_K_M quantization.
Can Intel Data Center GPU Max 1550 128GB run Phi 3.5 Mini 4B for coding?
For coding workloads, Phi 3.5 Mini 4B on Intel Data Center GPU Max 1550 128GB receives a B grade with 56.0 tok/s and 128K context.
What context window can Phi 3.5 Mini 4B use on Intel Data Center GPU Max 1550 128GB?
On Intel Data Center GPU Max 1550 128GB, Phi 3.5 Mini 4B can safely use up to 128K tokens of context. The model's official context limit is 128K, but available memory constrains the safe maximum.
What should I upgrade first if Phi 3.5 Mini 4B feels slow on Intel Data Center GPU Max 1550 128GB?
Prefer CUDA if you want the path of least resistance. If your goal is maximum runtime coverage, easier troubleshooting, and better support for new local AI releases, CUDA is usually still the safer upgrade path.
Would CUDA be a better path than Intel Data Center GPU Max 1550 128GB for Phi 3.5 Mini 4B?
Often yes, if your goal is the easiest setup and the widest runtime support. Intel can offer attractive memory capacity, but CUDA still tends to win on tooling maturity, guides, kernels, and model coverage for local AI.
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