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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/Qwen3.5 122B A10B/on NVIDIA H800 80GB

Can it run?

Can NVIDIA H800 80GB run Qwen3.5 122B A10B?

CUsable

Very compromised (needs ~5.5 GB host RAM)

Using Q3_K_M in Ollama

Capabilities:

Fit status

Very compromised (needs ~5.5 GB host RAM)

Decode

36.1 tok/s

TTFT

5366 ms

Safe context

15K

Memory

88.0 GB / 80.0 GB

Offload

10%

Memory breakdown

Weights59.8 GB
KV Cache19.1 GB
Runtime1.2 GB
Headroom8.0 GB

Performance by workload

WorkloadGradeFitDecodeTTFTContext
Agentic CodingFToo heavy37.8 tok/s7449 ms24K
ChatCRuns with offload37.8 tok/s2793 ms8K
CodingCVery compromised (needs ~5.5 GB host RAM)36.1 tok/s5366 ms15K
RAGFToo heavy37.8 tok/s9311 ms24K
ReasoningCVery compromised (needs ~5.5 GB host RAM)36.1 tok/s6342 ms15K

Quantization options

How Qwen3.5 122B A10B (122B params) fits at each quantization level on NVIDIA H800 80GB (80.0 GB usable).

QuantBitsVRAMQualityFit
Q2_K
2
47.6 GB
LowC42
Q3_K_SBest for your GPU
3
59.8 GB
LowC45
NVFP4
4
68.3 GB
MediumC45
Q4_K_M
4
74.4 GB
MediumC45
Q5_K_M
5
87.8 GB
HighF0
Q6_K
6
100.0 GB
HighF0
Q8_0
8
130.5 GB
Very HighF0
F16
16
250.1 GB
MaximumF0

Get started

HuggingFace
huggingface-cli download hf-unsloth--qwen3-5-122b-a10b-gguf

Upgrade options

Hardware that runs Qwen3.5 122B A10B well

AppleMacBook Pro M3 Max 128GBBest value
C3.7 tok/s decode

~$2,499 MSRP

AMDAMD Instinct MI350X 288GBBudget pick
C90.9 tok/s decode

~$8,000 MSRP

NVIDIANVIDIA H200 141GBNVIDIA upgrade
B62.7 tok/s decode

~$30,000 MSRP

AMDAMD Instinct MI300A 128GBBiggest leap
B57.7 tok/s decode

 

See all results for NVIDIA H800 80GBSee all hardware for Qwen3.5 122B A10B