RunsLocalGPU checkerLocal AI toolsv1.8 · data Oct 14, 2026

All models / Qwen3.8 27B

What GPU do I need to run Qwen3.8 27B?

Qwen3.8 27B has 27.8B parameters. At Q4_K_M with 8K context it needs about 18.0 GB of memory. The smallest graphics card that runs it fully on the GPU is about 20 GB, such as the RX 7900 XT.

Check your own hardware

Memory by quantization (8K context)

QuantBits per weightMemory needed
Q8_08.530.6 GB
Q6_K6.5623.9 GB
Q5_K_M5.6920.9 GB
Q4_K_M4.8518.0 GB
Q3_K_M3.9114.7 GB
IQ2_M2.710.5 GB

Hardware that runs it fully in fast memory

HardwareMemoryBest quantEst. speed
RX 7900 XT20 GBQ4_K_M28 tok/s
RTX 409024 GBQ5_K_M31 tok/s
RTX 3090 Ti24 GBQ5_K_M31 tok/s
RX 7900 XTX24 GBQ5_K_M29 tok/s
RTX 309024 GBQ5_K_M28 tok/s
RTX 509032 GBQ8_036 tok/s
M5 32GB32 GBQ5_K_M4.6 tok/s
M4 32GB32 GBQ5_K_M3.6 tok/s
M4 Max 36GB36 GBQ6_K11 tok/s
M4 Pro 48GB48 GBQ8_05.5 tok/s
M4 Max 64GB64 GBQ8_011 tok/s
Ryzen AI Max+ 395 64GB64 GBQ8_05.2 tok/s
RTX PRO 6000 Blackwell96 GBQ8_036 tok/s
M3 Ultra 96GB96 GBQ8_017 tok/s
M4 Max 128GB128 GBQ8_011 tok/s
DGX Spark 128GB128 GBQ8_05.5 tok/s
Ryzen AI Max+ 395 128GB128 GBQ8_05.2 tok/s
M3 Ultra 256GB256 GBQ8_017 tok/s
M3 Ultra 512GB512 GBQ8_017 tok/s

Runs with offload to system RAM (slower)

Assumes 32 GB of DDR5 system RAM for offload. Estimates only; real speeds usually land within about 20%.