{
  "id": 11663976,
  "title": "AMD’s secret Zen 3 gaming CPU had 128MB of game-boosting L3 cache but never saw the light of day",
  "url": "https://urgent.news/2026/10/03/amds-secret-zen-3-gaming-cpu-had-128mb-of-game-boosting-l3-cache-but",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-03T10:30:00.000Z",
  "source": {
    "name": "Tom's Hardware",
    "slug": "tom-s-hardware",
    "url": "https://www.tomshardware.com/pc-components/cpus/amds-secret-zen-3-gaming-cpu-had-128mb-of-l3-cache-but-never-saw-the-light-of-day-canceled-ryzen-9-5900x3d-breaks-free-from-the-chipmakers-vault"
  },
  "original_language": "en",
  "account": "AMD's Ryzen 9 5900X3D, a prototype chip once rumored to be released, boasted an impressive 128MB of L3 cache and was poised to challenge the Ryzen 9 5900X for gaming supremacy. This engineering sample, discovered on the Chiphell forums, showcased 64MB of 3D V-Cache integrated onto one of the two Core Complex Dies, resulting in a 4,649 MHz boost clock. While the 192MB L3 configuration was also tested on 16-core Zen 3 chips, AMD ultimately opted for an eight-core, single-CCD design for their gaming-oriented Ryzen processors, ensuring optimal performance and minimal cross-die latency.",
  "summary": "A user from the Chinese Chiphell forums shows off AMD's unreleased Ryzen 9 5900X3D, the X3D variant of the Ryzen 9 5900X.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}