LLM model: Granite 4.2 30B

Model profile
Model	Size	Approximate size
Granite 4.2 30BModel source: provider131,072 tokens max native context	30B	18 GB4-bit quantization

Compatible hardware Estimated speeds, not benchmark results: calculated from memory bandwidth and model size. Real results can differ significantly because there is no precise formula for deriving LLM generation speed from hardware specifications alone.
Hardware	Memory	Bandwidth	vLLM	Estimated generation
DDR5 32GB Computer	32 GBRAM	89.6 GB/s	no	2 tok/s4-bit quantization
Mac mini M4	24 GBUnified RAM	120 GB/s	no	3 tok/s4-bit quantization
Radeon 8060S 96GB	96 GBUnified RAM	256 GB/s	yes	7 tok/s4-bit quantization
M4 Pro	24 GBUnified RAM	273 GB/s	no	8 tok/s4-bit quantization
DGX Spark	128 GBUnified RAM	273 GB/s	yes	8 tok/s4-bit quantization
M5 Pro	64 GBUnified RAM	307 GB/s	no	9 tok/s4-bit quantization
M5 Max	128 GBUnified RAM	614 GB/s	no	18 tok/s4-bit quantization
M3 Ultra	96 GBUnified RAM	819 GB/s	no	24 tok/s4-bit quantization
RTX 3090 Ti	24 GBGPU VRAM	1008 GB/s	yes	30 tok/s4-bit quantization
M5 Ultra	256 GBUnified RAM	1200 GB/s	no	35 tok/s4-bit quantization
RTX 5090	32 GBGPU VRAM	1792 GB/s	yes	52 tok/s4-bit quantization
RTX PRO 6000	96 GBGPU VRAM	1792 GB/s	yes	52 tok/s4-bit quantization
DGX H200	1128 GBGPU HBM3e	4800 GB/s	yes	132 tok/s4-bit quantization
DGX Station	748 GBCoherent Memory	7100 GB/s	yes	186 tok/s4-bit quantization
ET900N G3	748 GBCoherent Memory	7100 GB/s	yes	186 tok/s4-bit quantization
DGX B200	1440 GBGPU HBM3e	8000 GB/s	yes	206 tok/s4-bit quantization
GB200 NVL72	13400 GBGPU HBM3e	8000 GB/s	yes	206 tok/s4-bit quantization
GB300 NVL72	20000 GBGPU HBM3e	8000 GB/s	yes	206 tok/s4-bit quantization

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Video KGP Talkie 2026-08-29

IBM Granite 4.2 vs Qwen 3.8 27B vs Gemma 4 - Local LLM Benchmark

Benchmark IBM Granite 4.2, Qwen 3.8 27B, Gemma 4, and Ornith 1.5 on an RTX 5090, measuring KV cache cost, usable context, generation speed, coding, math, and tool calling via Python tests.

Testing Gemma 4 31B Qwen 3.8 27B Gemma 4 12B Ornith 1.5 9B Granite 4.2 8B Granite 4.2 30B RTX 5090