Ubuntu 26.04 LTS Leads Over Windows 11 In Creator Workstation Performance

Written by Michael Larabel in Operating Systems on 28 April 2026 at 11:00 AM EDT. Page 3 of 7. 19 Comments.
Intel Open Image Denoise benchmark with settings of Run: RT.hdr_alb_nrm.3840x2160, Device: CPU-Only. Windows 11 Pro was the fastest.
Intel Open Image Denoise benchmark with settings of Run: RT.ldr_alb_nrm.3840x2160, Device: CPU-Only. Windows 11 Pro was the fastest.
Intel Open Image Denoise benchmark with settings of Run: RTLightmap.hdr.4096x4096, Device: CPU-Only. Windows 11 Pro was the fastest.
Intel Open Image Denoise benchmark with settings of Run: RT.hdr_alb_nrm.3840x2160, Device: NVIDIA CUDA. Windows 11 Pro was the fastest.
Intel Open Image Denoise benchmark with settings of Run: RTLightmap.hdr.4096x4096, Device: NVIDIA CUDA. Windows 11 Pro was the fastest.

For NVIDIA CUDA workloads like Open Image Denoise, the performance of the NVIDIA RTX PRO 6000 Blackwell was nearly identical under both operating systems. The CPU performance with Open Image Denoise was also similar.

Llama.cpp benchmark with settings of Backend: Vulkan, Model: Qwen3.5-9B-Q8_0, Test: Text Generation 128. Windows 11 Pro was the fastest.
Llama.cpp benchmark with settings of Backend: Vulkan, Model: gpt-oss-20b-Q8_0, Test: Text Generation 128. Windows 11 Pro was the fastest.
Llama.cpp benchmark with settings of Backend: CPU BLAS, Model: gpt-oss-20b-Q8_0, Test: Text Generation 128. Ubuntu 26.04 LTS was the fastest.
Llama.cpp benchmark with settings of Backend: Vulkan, Model: Qwen3.5-9B-Q8_0, Test: Prompt Processing 1024. Ubuntu 26.04 LTS was the fastest.
Llama.cpp benchmark with settings of Backend: Vulkan, Model: gpt-oss-20b-Q8_0, Test: Prompt Processing 1024. Ubuntu 26.04 LTS was the fastest.
Llama.cpp benchmark with settings of Backend: Vulkan, Model: GLM-4.7-Flash-IQ4_XS, Test: Text Generation 128. Windows 11 Pro was the fastest.
Llama.cpp benchmark with settings of Backend: Vulkan, Model: MiniMax-M2.5-UD-TQ1_0, Test: Text Generation 128. Windows 11 Pro was the fastest.
Llama.cpp benchmark with settings of Backend: CPU BLAS, Model: GLM-4.7-Flash-IQ4_XS, Test: Text Generation 128. Ubuntu 26.04 LTS was the fastest.
Llama.cpp benchmark with settings of Backend: Vulkan, Model: GLM-4.7-Flash-IQ4_XS, Test: Prompt Processing 1024. Windows 11 Pro was the fastest.
Llama.cpp benchmark with settings of Backend: Vulkan, Model: Llama-3.1-Tulu-3-8B-Q8_0, Test: Text Generation 128. Windows 11 Pro was the fastest.
Llama.cpp benchmark with settings of Backend: CPU BLAS, Model: Llama-3.1-Tulu-3-8B-Q8_0, Test: Text Generation 128. Ubuntu 26.04 LTS was the fastest.
Llama.cpp benchmark with settings of Backend: Vulkan, Model: Llama-3.1-Tulu-3-8B-Q8_0, Test: Prompt Processing 1024. Windows 11 Pro was the fastest.
Llama.cpp benchmark with settings of Backend: Vulkan, Model: DeepSeek-R1-Distill-Llama-8B-Q8_0, Test: Prompt Processing 1024. Windows 11 Pro was the fastest.

With Llama.cpp for Vulkan-based AI the performance was similar between Windows and Linux for the most part. For the BLAS-based CPU performance there were some wins for Windows 11 but overall the NVIDIA Vulkan performance was quite even.

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