Can my PC run AI?

Can I run Qwen3 32B locally? Requirements and speed

Qwen3 32B needs about 22 GB at 4-bit compression with an 8,192-token conversation (about 6,000 words), so it runs entirely on a graphics card with 24 GB or more, such as the RTX 3090, RTX 4090 or RX 7900 XTX. Of the PCs below, the least powerful that runs it well is an RTX 5060 Ti 16 GB with 32 GB of DDR5: 8.0–13 tokens/s at 3-bit.

Check your PC

A second, different card shares the model with the first.

Choosing one fills in the memory it usually has.

Settings, System, About: “Installed RAM”.

Task Manager, Performance, Memory: “Speed”.

Memory it needs

The model’s weights plus the conversation it is holding, at each compression. For it to run at full speed, all of it has to fit in the graphics card’s memory with about 1.2 GB to spare. Slow although it should fit? See where it is really running. Which compression to download.

CompressionWeights8,192 tokens32,768 tokens
16-bit (BF16)66 GB68 GB74 GB
8-bit (Q8_0)35 GB37 GB43 GB
6-bit (Q6_K)27 GB29 GB35 GB
5-bit (Q5_K_M)23 GB25 GB32 GB
4-bit (Q4_K_M)20 GB22 GB28 GB
3-bit (Q3_K_M)16 GB18 GB25 GB
2-bit (Q2_K)12 GB14 GB21 GB

How fast it runs on common PCs

With an 8,192-token conversation, at the best compression that fits each PC. Writing speed is how fast an answer appears; most people read at about 5 to 8 tokens a second.

PCRuns?WritesHow
Raspberry Pi 5, 8 GB, microSDToo slow to useunder 0.01 tokens/s2-bit (Q2_K), partly read from the drive as it runs
Mini PC, Intel N100, 16 GB DDR5-4800 (one channel)Too slow to use0.13–0.20 tokens/s2-bit (Q2_K), partly read from the drive as it runs
Laptop, Core i5-8250U, 8 GB DDR4-2400, SATA SSDWon’t fit——
Laptop, Ryzen 7 7840HS with Radeon 780M, 32 GB DDR5-5600Too slow to use2.4–3.9 tokens/s4-bit (Q4_K_M), graphics and the rest of memory
Laptop, Core Ultra 7 258V with Arc 140V, 32 GB LPDDR5X-8533Too slow to use2.1–3.4 tokens/s4-bit (Q4_K_M), graphics and the rest of memory
Desktop, no graphics card, 32 GB DDR5-5600Too slow to use1.7–2.7 tokens/s4-bit (Q4_K_M), on the processor, in system memory
RTX 4060 8 GB, 32 GB DDR5-5600Too slow to use2.5–4.0 tokens/s4-bit (Q4_K_M), graphics card and system memory
RTX 3060 12 GB, 32 GB DDR4-3200Too slow to use2.0–3.1 tokens/s4-bit (Q4_K_M), graphics card and system memory
RTX 5060 Ti 16 GB, 32 GB DDR5-6000Runs well8.0–13 tokens/s3-bit (Q3_K_M), graphics card and system memory
RX 9070 XT 16 GB, 32 GB DDR5-6000Runs well9.4–15 tokens/s3-bit (Q3_K_M), graphics card and system memory
RTX 5070 Ti 16 GB, 64 GB DDR5-6000Runs well10–16 tokens/s3-bit (Q3_K_M), graphics card and system memory
RTX 3090 24 GB, 64 GB DDR4-3600Runs fast23–38 tokens/s4-bit (Q4_K_M), on the graphics card
RX 7900 XTX 24 GB, 64 GB DDR5-6000Runs fast27–44 tokens/s4-bit (Q4_K_M), on the graphics card
RTX 4090 24 GB, 64 GB DDR5-6000Runs fast28–45 tokens/s4-bit (Q4_K_M), on the graphics card
RTX 5090 32 GB, 96 GB DDR5-6000Runs fast35–56 tokens/s6-bit (Q6_K), on the graphics card
RTX 5090 and RTX 3090 (56 GB), 128 GB DDR5-6000Runs fast19–31 tokens/s8-bit (Q8_0), on the graphics card
Two RTX 3090 (48 GB), 128 GB DDR4-3200Runs well14–22 tokens/s8-bit (Q8_0), on the graphics card
Mac mini, M4 Pro, 64 GBRuns well8.7–14 tokens/s3-bit (Q3_K_M), in the graphics share of its memory
Ryzen AI Max+ 395, 128 GBRuns well8.9–14 tokens/s3-bit (Q3_K_M), in the graphics share of its memory
NVIDIA DGX Spark, 128 GBRuns well8.1–13 tokens/s4-bit (Q4_K_M), in the graphics share of its memory
Mac Studio, M3 Ultra, 512 GBRuns well7.7–12 tokens/s8-bit (Q8_0), in the graphics share of its memory
RTX PRO 6000 96 GB, 512 GB DDR5-6400 in 8 channelsRuns fast26–41 tokens/s8-bit (Q8_0), on the graphics card
Server, EPYC 9755, no graphics card, 1,536 GB DDR5-6400 in 12 channelsRuns well13–21 tokens/s4-bit (Q4_K_M), on the processor, in system memory
Server: RTX PRO 6000 96 GB, 1,536 GB DDR5-6400 in 12 channelsRuns fast26–41 tokens/s8-bit (Q8_0), on the graphics card
Data-centre server: eight H100 80 GB (640 GB)Runs fast27–44 tokens/s8-bit (Q8_0), on the graphics card

About Qwen3 32B

Made byQwen (Alibaba)
ReleasedApril 2025
Parameters32.8 billion
Longest conversation40,960 tokens
Good forChat and writing and reasoning
LicenceApache 2.0

From its page on Hugging Face, read on 8 November 2026. LM Studio, Ollama and Jan load it from GGUF files such as Qwen/Qwen3-32B-GGUF. Bottleneck is not connected with Qwen (Alibaba).

How it is worked out

Writing an answer is limited by memory rather than arithmetic: for every word-piece (token) a model writes, the computer reads every weight that token uses once. So the speed is how fast the memory holding the model can be read, divided by how much is read for each token: the model’s weights at the chosen compression, plus the conversation so far. How much of its memory speed each graphics card reaches is measured, not assumed: it comes from the card’s own result in llama.cpp’s benchmark, which LM Studio, Ollama and Jan are built on. A model that does not fit in the graphics card’s memory spills into system memory, five to fifteen times slower, and one that does not fit in memory at all can be read from the drive as it runs, slower again; the estimate counts each part at its own speed, and a processor with few threads cannot use all of fast memory. Graphics built into a processor use system memory, at its speed. Reading a prompt is limited by arithmetic, so it follows the measured prompt speed.

Already running Qwen3 32B? See if it runs at full speed

A model that is slower than it should be is nearly always partly on the processor rather than all on the graphics card, which is several times slower — and Ollama does that without a word when something else holds the card’s memory. Bottleneck’s free app checks a model run with Ollama, LM Studio, llama.cpp, KoboldCpp or Jan: where it really runs, how fast it writes, and what your PC should manage with it. Nothing leaves your PC. Or check and fix it by hand.

It reads your parts too: the graphics card and how much memory it really has free, how much system memory is installed, the speed it runs at and in how many channels. Memory left in one channel, or below its rated speed, halves how fast a model runs from it, and Bottleneck says so. Its AI models screen then lists what runs on this PC.

The free version shows where a model runs and how fast, with no time limit and no account. Pro, $9 once, explains why it is slower than it could be and how to fix it. Compare the versions