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Mac Studio M3 Ultra vs RTX 5090

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Best sourced output tok/s per model (single-stream generation) — engine and version, quantization, context and a source link on every row. Hover a value for the quant.

Mac Studio M3 Ultra1 sourced run · best 78.0 tok/s
RTX 509023 verified runs · best 446.7 tok/s

Specs and evidence

Mac Studio M3 UltraRTX 5090
VRAM—32 GB
Sourced runs on the board123
Models measured116
Best output tok/s78.0 tok/s446.7 tok/s
Highest measured peak VRAM—31.3 GB
Street price (latest snapshot)——

Sourced rows only. Peak VRAM is recorded by the person who ran the benchmark, so it is a floor for what the card can hold, not a specification. Price snapshots.

The measured matrix

ModelMac Studio M3 UltraRTX 5090
NVIDIA-Nemotron-3.5-Lightning-30B-A3B—446.7 NVFP4
Qwen3.8-27B—435.1 IQ4_XS
Ornith-1.0-35B-PrismaAURA-4.75bit-vllm-MTP—283.1 NVFP4
Kimi-Linear-48B-A3B-Instruct—280.8 IQ4_XS
Ornith-1.5-35B-A3B—258.8 NVFP4
North-Mini-Code-1.0—258.4 UD-Q6_K_XL
Qwen3.6-35B-A3B-MTP—222.9 Unsloth-Dynamic-IQ4_XS
Laguna-XS-2.1—216.7 NVFP4
KAT-Coder-V2.5-Dev-AWQ-W4A16-ASYM—201.2 W4A16
Ornith-1.0-35B—196.6 AWQ
Muse-Glimmer-30B—124.8 NVFP4
Qwen3.6-27B—120.9 NVFP4
Huihui-Qwen3.8-27B-abliterated—117.7 NVFP4
Qwen3.8-27B-5090-goldilocks—93.5 Q6_K
GLM-5.3-Flash78.0 4-bit—
Qwen3.6-27B-MTP—28.3 Q5_K_M
DeepSeek-V4-Flash-0731—26.4 MXFP4

17 rows · 1 models on Mac Studio M3 Ultra, 16 on RTX 5090 — no verified overlap yet, each side shows its own bests · data as of Oct 17, 2026. Full rules: methodology.

Related reading: RTX 5090 vs 3090 · quantization · Value index · Full board

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