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All estimates are approximations based on mathematical models and public specifications. Actual performance may vary. Do not make purchasing decisions based solely on these estimates.

Data sourced from Hugging Face, Ollama, and official model documentation. Model names and logos are trademarks of their respective owners.

© 2026 Will It Run AI — Fase Consulting Ibiza, S.L. (NIF: B57969656)

Home/Llama 2 7B Chat/on Mac Studio M1 Ultra 128GB

Can it run?

Can Mac Studio M1 Ultra 128GB run Llama 2 7B Chat?

CUsable

Runs well

Using Q4_K_M in Ollama

Capabilities:

Fit status

Runs well

Decode

103.0 tok/s

TTFT

1879 ms

Safe context

72K

Memory

20.4 GB / 92.2 GB

Memory breakdown

Weights4.3 GB
KV Cache1.1 GB
Runtime1.2 GB
Headroom13.8 GB

Performance by workload

WorkloadGradeFitDecodeTTFTContext
Agentic CodingCRuns well103.0 tok/s2733 ms137K
ChatCRuns well103.0 tok/s1025 ms37K
CodingCRuns well103.0 tok/s1879 ms72K
RAGCRuns well103.0 tok/s3416 ms137K
ReasoningCRuns well103.0 tok/s2220 ms72K

Quantization options

How Llama 2 7B Chat (7B params) fits at each quantization level on Mac Studio M1 Ultra 128GB (92.2 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
2.7 GB
LowD30
Q3_K_S
3
3.4 GB
LowD30
NVFP4
4
3.9 GB
MediumD30
Q4_K_M
4
4.3 GB
MediumD30
Q5_K_M
5
5.0 GB
HighD31
Q6_K
6
5.7 GB
HighD31
Q8_0
8
7.5 GB
Very HighD31
F16Best for your GPU
16
14.3 GB
MaximumD33

Get started

See all results for Mac Studio M1 Ultra 128GBSee all hardware for Llama 2 7B Chat