29:47

I wanted to understand the structural and philosophical differences...

Name: I wanted to understand the structural and philosophical differences...
Uploaded: 2026-11-03T01:22:44.198787+00:00
Duration: 29 min 47 s
Channel: @juliarturc
Description: I wanted to understand the structural and philosophical differences between GPUs, TPUs and newer alternatives (like Groq LPUs) without getting drowned in specs and jargon. Mispronunciation of the day: "soldered" 🤦♀️... 0:00 Intro 0:56 The origin... — Thread by @juliarturc

Julia Turc@juliarturc

2 views Nov 03, 2026 ~1 min read

I wanted to understand the structural and philosophical differences between GPUs, TPUs and newer alternatives (like Groq LPUs) without getting drowned in specs and jargon.

Mispronunciation of the day: "soldered" 🤦‍♀️...

0:00 Intro
0:56 The origin story of TPUs
3:42 The first TPU: an ASIC for matrix multiplication
5:21 SRAM vs DRAM
7:21 The memory bandwidth problem
9:14 Systolic arrays
12:48 TPU vs GPU
17:51 Groq’s LPU
25:38 GPU vs LPU
28:36 NVIDIA on the AI chips boom

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