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NVIDIA B100 192GB vs NVIDIA Jetson AGX Thor 128GB for local LLMs

0 reports on the NVIDIA B100 192GB and 4 on the NVIDIA Jetson AGX Thor 128GB

Which is faster for local LLMs?

Nobody has reported the same model at the same quant on both cards yet, so there's no measured head-to-head. Memory bandwidth, which caps how fast a card can write, is 29.3x higher on the NVIDIA B100 192GB (8,000 GB/s on the NVIDIA B100 192GB, 273 on the NVIDIA Jetson AGX Thor 128GB). The estimates below compare them on the models people run most.

NVIDIA B100 192GB
Memory
192GB
Memory bandwidth
8,000 GB/s
FP16 compute
1750 TFLOPS
Reports
0
NVIDIA Jetson AGX Thor 128GB
Memory
128GB unified
Memory bandwidth
273 GB/s
FP16 compute
258.8 TFLOPS
Reports
4

Estimated by the calculator

The quant the calculator recommends for each card and its estimated speed at a 32,768-token context with 32 GB of system RAM, from memory bandwidth and the model's shape.

ModelNVIDIA B100 192GBNVIDIA Jetson AGX Thor 128GB
Qwen3.8 27B81.5 t/sFP162.8 t/sFP16
Qwen3.8 125B · 6B active278.7 t/sQ8_010.0 t/sQ6_K
DeepSeek V4 Flash 284B · 13B active367.2 t/sQ4_K_M26.5 t/sQ2_K
Qwen3.6 35B · 3B active293.3 t/sFP1610.0 t/sFP16
Qwen3.6 27B81.5 t/sFP162.8 t/sFP16
Gemma 4 26B · 4B active220.0 t/sFP167.5 t/sFP16

Change the context, RAM or model in the calculator: NVIDIA B100 192GB · NVIDIA Jetson AGX Thor 128GB

Every report on each card, with its source: NVIDIA B100 192GB · NVIDIA Jetson AGX Thor 128GB

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