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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/Qwen 2.5 72B/on NVIDIA L20 48GB

Can it run?

Can NVIDIA L20 48GB run Qwen 2.5 72B?

FWon't run

Too heavy

Using Q4_K_M in Ollama

Capabilities:

Fit status

Too heavy

Decode

14.4 tok/s

TTFT

13481 ms

Safe context

13K

Memory

61.2 GB / 48.0 GB

Memory breakdown

Weights43.9 GB
KV Cache11.3 GB
Runtime1.2 GB
Headroom4.8 GB

Performance by workload

WorkloadGradeFitDecodeTTFTContext
Agentic CodingFToo heavy14.4 tok/s19609 ms21K
ChatDVery compromised (needs ~6 GB host RAM)12.7 tok/s8313 ms7K
CodingFToo heavy14.4 tok/s13481 ms13K
RAGFToo heavy14.4 tok/s24511 ms21K
ReasoningFToo heavy14.4 tok/s15932 ms13K

Quantization options

How Qwen 2.5 72B (72B params) fits at each quantization level on NVIDIA L20 48GB (48.0 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
28.1 GB
LowC42
Q3_K_SBest for your GPU
3
35.3 GB
LowC45
NVFP4
4
40.3 GB
MediumC45
Q4_K_M
4
43.9 GB
MediumC45
Q5_K_M
5
51.8 GB
HighF0
Q6_K
6
59.0 GB
HighF0
Q8_0
8
77.0 GB
Very HighF0
F16
16
147.6 GB
MaximumF0

Upgrade options

Hardware that runs Qwen 2.5 72B well

AppleMacBook Pro M3 Max 128GBBudget pick
C5.5 tok/s decode

~$2,499 MSRP

AppleMacBook Pro M4 Max 96GBBest value
C7.8 tok/s decode

~$2,499 MSRP

NVIDIANVIDIA GH200 96GBBiggest leap
B73.8 tok/s decode

 

NVIDIANVIDIA H20 96GBNVIDIA upgrade
B73.8 tok/s decode

 

See all results for NVIDIA L20 48GBSee all hardware for Qwen 2.5 72B