A20 Pro and on-device AI: It's showtime
Blog A20 Pro and on-device AI: It’s showtime Ricky TakkarPublished September 20, 2026 Apple says the A20 Pro has 50% more memory bandwidth and twice the AI processing power. I wanted to know what that feels like (i.e., how much sooner the first token and the full response arrive) when I actually run an on-device language model, so I compared my iPhone 18 Pro (A20 Pro) and my iPhone 17 Pro Max (A19 Pro). Both have 12 GB of RAM and 256 GB of storage.
- ▪Blog A20 Pro and on-device AI: It’s showtime Ricky TakkarPublished September 20, 2026 Apple says the A20 Pro has 50% more memory bandwidth and twice the AI processing power.
- ▪I wanted to know what that feels like (i.e., how much sooner the first token and the full response arrive) when I actually run an on-device language model, so I compared my iPhone 18 Pro (A20 Pro) and my iPhone 17 Pro Max (A19 Pro).
- ▪Both have 12 GB of RAM and 256 GB of storage.
Hacker News (AI / LLM) files mainly under ai. We currently carry 6,627 of its stories.
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Rickytakkar |
| Canonical URL | https://rickytakkar.com/blog_a20_pro_ai.html?source=hn |
| Publication time | Sun, 27 Sep 2026 15:17:37 +0000 |
| Retrieval time | 2026-09-27T17:06:17.892Z |
| Last seen | 2026-09-27T17:06:17.892Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | QSSid34EK8b0 · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
Blog A20 Pro and on-device AI: It’s showtime Ricky TakkarPublished September 20, 2026 Apple says the A20 Pro has 50% more memory bandwidth and twice the AI processing power. I wanted to know what that feels like (i.e., how much sooner the first token and the full response arrive) when I actually run an on-device language model, so I compared my iPhone 18 Pro (A20 Pro) and my iPhone 17 Pro Max (A19 Pro). Both have 12 GB of RAM and 256 GB of storage. Why not an iPhone 18 Pro Max? Two words in defiance of auramaxxing: smartphone pinky. Short version. With two downloaded models running on MLX, Apple’s open-source machine-learning framework for Apple silicon, the 18 Pro generated text 53-85% faster and showed the first words 42-53% sooner.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Rickytakkar.
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