Qwen3.5-2B TPS calculator

Open weights Alibaba 2B parameters February 2026

Each card below is assessed against this model at the context length and minimum quality you choose. Speed is an estimate for a single request, calculated from the card's memory bandwidth and the size of the model once compressed.

Calculated for this model

818 cards that can run it

818 cards we hold specifications for

Smallest card that fits

Tesla C1080

4 GB · Q8_0 · 18.4 tok/s

Fastest card

B200

1,694 tok/s · 180 GB

Which GPUs can run Qwen3.5-2B?

Set the inputs, read the answer

A longer conversation needs more memory, which can push this model off smaller cards.

Hides cards that would only fit the model by compressing it below this point.

818 cards match

Calculating
Needs Quantisation Fit
1,694 tok/s

1,016–2,711 · low confidence

B200 NVIDIA 180 GB 8,000 GB/s Jan 2024 2.8 GB Q8_0 Comfortable
1,694 tok/s

1,016–2,711 · low confidence

B300 NVIDIA 288 GB 8,000 GB/s Sep 2025 2.8 GB Q8_0 Comfortable
1,353 tok/s

812–2,164 · low confidence

Radeon Instinct MI350X AMD 288 GB 8,190 GB/s Jan 2025 2.8 GB Q8_0 Comfortable
1,353 tok/s

812–2,164 · low confidence

Radeon Instinct MI355X AMD 288 GB 8,190 GB/s Jan 2025 2.8 GB Q8_0 Comfortable
1,082 tok/s

649–1,731 · low confidence

Radeon Instinct MI300 AMD 128 GB 6,550 GB/s Jan 2023 2.8 GB Q8_0 Comfortable
1,036 tok/s

621–1,657 · low confidence

H200 NVL NVIDIA 141 GB 4,890 GB/s Nov 2024 2.8 GB Q8_0 Comfortable
1,036 tok/s

621–1,657 · low confidence

H200 SXM 141 GB NVIDIA 141 GB 4,890 GB/s Nov 2024 2.8 GB Q8_0 Comfortable
991 tok/s

595–1,586 · low confidence

Radeon Instinct MI325X AMD 256 GB 6,000 GB/s Oct 2024 2.8 GB Q8_0 Comfortable
880 tok/s

528–1,407 · low confidence

Radeon Instinct MI300A AMD 128 GB 5,325 GB/s Dec 2023 2.8 GB Q8_0 Comfortable
880 tok/s

528–1,407 · low confidence

Radeon Instinct MI300X AMD 192 GB 5,325 GB/s Dec 2023 2.8 GB Q8_0 Comfortable
880 tok/s

528–1,407 · low confidence

Radeon Instinct MI308X AMD 192 GB 5,325 GB/s Dec 2023 2.8 GB Q8_0 Comfortable
834 tok/s

501–1,335 · low confidence

H100 NVL 94 GB NVIDIA 94 GB 3,940 GB/s Mar 2023 2.8 GB Q8_0 Comfortable
712 tok/s

427–1,138 · low confidence

H100 PCIe 96 GB NVIDIA 96 GB 3,360 GB/s Mar 2023 2.8 GB Q8_0 Comfortable
712 tok/s

427–1,138 · low confidence

H100 SXM5 80 GB NVIDIA 80 GB 3,360 GB/s Oct 2022 2.8 GB Q8_0 Comfortable
712 tok/s

427–1,138 · low confidence

H100 SXM5 94 GB NVIDIA 94 GB 3,360 GB/s Mar 2023 2.8 GB Q8_0 Comfortable
712 tok/s

427–1,138 · low confidence

H100 SXM5 96 GB NVIDIA 96 GB 3,360 GB/s Mar 2023 2.8 GB Q8_0 Comfortable
712 tok/s

427–1,138 · low confidence

H800 SXM5 NVIDIA 80 GB 3,360 GB/s Mar 2023 2.8 GB Q8_0 Comfortable
542 tok/s

325–867 · low confidence

Radeon Instinct MI250 AMD 128 GB 3,280 GB/s Nov 2021 2.8 GB Q8_0 Comfortable
542 tok/s

325–867 · low confidence

Radeon Instinct MI250X AMD 128 GB 3,280 GB/s Nov 2021 2.8 GB Q8_0 Comfortable
451 tok/s

271–722 · low confidence

Data Center GPU Max 1550 Intel 128 GB 3,280 GB/s Jan 2023 2.8 GB Q8_0 Comfortable
442 tok/s

265–707 · low confidence

Data Center GPU Max Subsystem Intel 128 GB 3,210 GB/s Jan 2023 2.8 GB Q8_0 Comfortable
432 tok/s

259–691 · low confidence

A100 SXM4 80 GB NVIDIA 80 GB 2,040 GB/s Nov 2020 2.8 GB Q8_0 Comfortable
432 tok/s

259–691 · low confidence

A100X NVIDIA 80 GB 2,040 GB/s Jun 2021 2.8 GB Q8_0 Comfortable
432 tok/s

259–691 · low confidence

A800 SXM4 80 GB NVIDIA 80 GB 2,040 GB/s Aug 2022 2.8 GB Q8_0 Comfortable
432 tok/s

259–691 · low confidence

H100 CNX NVIDIA 80 GB 2,040 GB/s Mar 2023 2.8 GB Q8_0 Comfortable

Speeds are estimates for a single request — one conversation at a time — calculated from memory bandwidth, model size and quantisation. Real throughput varies with the inference runtime and its version. Figures published by hardware vendors measure many simultaneous requests and are much higher.

On record

Full specification

Everything on record for this model. Most of it describes how it was trained rather than how it runs — useful context for judging how much work went into it, and how it compares with models built at a different scale.

Origin

Who built this model, where, and when it was published.

Organisation
Alibaba
Organisation type
Industry
Country
China
Published
24 February 2026

What it does

The problem areas the model was built for. A model can carry several of each.

Domain
Language
Task
Language modeling/generation

Size

How large the model is and how much data it was trained on. Parameters are the figure that decides whether it fits on a given graphics card.

Parameters
2B
Training data
tokens

Availability

Whether you can obtain the model and run it on your own hardware, which is what decides if any of the graphics-card figures on this page apply.

Weights
Open — downloadable
Model access
Open weights (restricted use)
Hugging Face
Qwen

How it is classified

Labels the source dataset applies when tracking notable models, and how confident it is in the entry.

Record confidence
Confident

Sources

Where this record came from and when it was last checked.

Reference
Qwen3.5: Towards Native Multimodal Agents
Last updated
26 May 2026

The extremes

What the numbers mean

Hardware requirements in practice

Minimum card

Tesla C1080

Memory needed

2.8 GB

Fastest

1,694 tok/s

Qwen3.5-2B is small enough at 2B parameters that hardware is rarely the obstacle — 818 of the cards we track can run it, including cards several years old.

The entry point is the Tesla C1080: 4 GB of memory, Q8_0 compression, roughly 18.4 tokens per second.

Top of the range is the B200, at roughly 1,694 tokens per second thanks to 8,000 GB/s of bandwidth.

What this model is

Qwen3.5-2B was published by Alibaba, in China, in February 2026. industry is the category the publisher falls under.

It works in Language, and is recorded as doing language modeling/generation.

The weights are published, so it can be downloaded and run on your own hardware indefinitely, offline, with no account attached. It is published under the Qwen organisation on Hugging Face.

What decides the speed

The median result is around 47.6 tokens per second; 789 cards produce text faster than most people read it.

It is a dense model, so every parameter is read for every token produced. That makes speed track memory bandwidth almost exactly — a card with twice the bandwidth generates roughly twice as fast.

Without the attention layout on record, the memory column is an approximation. It is close enough to choose hardware by, and least reliable at long context.

Step by step

How to choose a GPU for Qwen3.5-2B

The table above has already assessed every card we hold specifications for against this model. Getting to your answer takes six steps.

  1. 01

    Start from the memory column

    Look at what Qwen3.5-2B actually needs — around 2.8 GB at Q8_0. No amount of processing power compensates for a card that cannot hold it.

  2. 02

    Decide how long your conversations run

    The conversation occupies memory too, and grows as it goes. Set the slider to the length you expect: at long context Qwen3.5-2B can slip off a card that handles short questions easily.

  3. 03

    Decide how much compression you will accept

    Compression is what makes Qwen3.5-2B fit smaller cards, at some cost in accuracy — Q8_0 on the smallest card that fits. A minimum quality removes the ones that go too far.

  4. 04

    Compare tokens per second, not specifications

    Sort by speed to see how cards rank for Qwen3.5-2B. It will not match a gaming ordering — generation is bound by memory bandwidth, which is why the B200 tops it at 1,694 tok/s.

  5. 05

    Look at the headroom, not just the fit

    A tight fit runs Qwen3.5-2B but leaves nothing spare for a longer conversation; comfortable has headroom. If you expect to grow the context, buy for comfortable.

  6. 06

    Open the card you have settled on

    Following a card through to its own page shows every other model it can hold, which is the question that follows once Qwen3.5-2B is settled.

Answers

Qwen3.5-2B — common questions

01

How accurate are these Qwen3.5-2B speed estimates?

Every figure is derived from memory bandwidth and model size, not benchmarked. That is why each is published as a range such as 1,016–2,711 tok/s on the B200 rather than a single number.

02

What GPU do I need to run Qwen3.5-2B?

The smallest card in our catalogue that holds Qwen3.5-2B is the Tesla C1080, with 4 GB of memory. It runs the model at Q8_0 using about 2.8 GB, and produces roughly 18.4 tokens per second. 818 cards in total can run it.

03

How fast is Qwen3.5-2B on a GPU?

It depends on the card. The quickest we calculate is a B200 at about 1,694 tokens per second; the slowest that still runs it manages considerably less. Reading speed is around ten tokens per second, and 789 of the cards that can run Qwen3.5-2B clear that.

04

How much VRAM does Qwen3.5-2B need?

About 2.8 GB at Q8_0 compression, which is what the smallest card that runs it uses. Less compression needs more: the figures in the memory column above are recalculated for each card, because each one holds the least-compressed version it can.

05

Can I run Qwen3.5-2B on a 8 GB GPU?

Yes. A CMP 170HX 8 GB with 8 GB runs it at Q8_0, using about 2.8 GB and generating roughly 316 tokens per second — a comfortable fit.

06

Can I run Qwen3.5-2B on a 12 GB GPU?

Yes. A GeForce RTX 3080 Ti with 12 GB runs it at Q8_0, using about 2.8 GB and generating roughly 193 tokens per second — a comfortable fit.

07

Can I run Qwen3.5-2B on a 16 GB GPU?

Yes. A Tesla V100 SXM2 16 GB with 16 GB runs it at Q8_0, using about 2.8 GB and generating roughly 239 tokens per second — a comfortable fit.

08

Can I run Qwen3.5-2B on a 24 GB GPU?

Yes. A GeForce RTX 5090 D V2 with 24 GB runs it at Q8_0, using about 2.8 GB and generating roughly 284 tokens per second — a comfortable fit.

09

Is Qwen3.5-2B open source?

Its weights are published, so Qwen3.5-2B can be downloaded and run on your own hardware. Note that open weights is not the same as open source in the full sense — it says nothing about the training data, the training code, or the commercial terms attached.

10

How many parameters does Qwen3.5-2B have?

Qwen3.5-2B has 2B parameters. That figure is the total, and it is what decides how much memory the model needs — roughly half a gigabyte per billion at the compression most people use.

11

Who created Qwen3.5-2B?

Qwen3.5-2B was published by Alibaba, based in China, categorised as industry.

12

When was Qwen3.5-2B released?

Qwen3.5-2B was published in February 2026.

13

What is Qwen3.5-2B used for?

Qwen3.5-2B works in Language, and is recorded as handling language modeling/generation. A model can carry several of each, so these are the areas it was built for rather than a limit on what it will attempt.

14

Where can I download Qwen3.5-2B?

Its weights are published under the Qwen organisation on Hugging Face. We do not host model files — this site calculates what hardware is needed to run them.

15

Can I run Qwen3.5-2B if it does not fit in my GPU?

Only by offloading, which is usually a false economy: the part in system memory drags the whole thing down. Our figures for Qwen3.5-2B assume it is fully resident.

16

Would two GPUs run Qwen3.5-2B faster?

A second card roughly doubles the memory available but not the generation rate. With 818 cards already able to run Qwen3.5-2B alone, the case for pairing is weak.

17

Why does the quantisation differ between cards for Qwen3.5-2B?

Each card is shown running the least-compressed copy it can hold, and Qwen3.5-2B appears at 1 different compression levels across the cards that fit it. Bigger cards get the more accurate version.

Source

Original publication

Record last updated 26 May 2026

The other direction

Looking at it from the other side?

This page starts from the model. If you already own a card and want to know everything it will run, start from the hardware instead.