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AMD Ryzen AI 7 HX 455 leak signals a cut-back HX 470 with Z2 Extreme-class Radeon 890M iGPU

A Weibo leak surfaces an 8-core Ryzen AI 7 HX 455 APU with 16 CU Radeon graphics matching the Radeon 890M and 24 MB of L3 cache, pointing at a thinner HX 470 sibling.

已发布 已更新 4 分钟阅读 ✓ AI 就绪 分享

TL;DR——三句话

  • A Weibo leak cited by TechPowerUp points to an AMD Ryzen AI 7 HX 455 with 8 cores/16 threads and a 16 CU iGPU. (S1)
  • The 16 CU iGPU is reportedly identical to the Radeon 890M used in the Ryzen Z2 Extreme. (S1)
  • The HX 455 is described by the source as a cut-back Ryzen AI HX 470, with 24 MB L3 versus the Z2 Extreme's 16 MB. (S1)

摘自 key_takeaways （真实字段，最多 3 条）。事实与分析分别标注。

AMD Ryzen AI 7 HX 455 leak signals a cut-back HX 470 with Z2 Extreme-class Radeon 890M iGPU — Semiconductor News news briefEditorial cover for a Semiconductor News brief. Chip motif; headline "AMD Ryzen AI 7 HX 455 leak signals a cut-back HX 470 with Z2 Extreme-class Radeon 890M iGPU". No reported key numbers on this brief, so no number strip is drawn. 1 cited source. A one-time entrance animation stops under reduced motion.SEMICONDUCTOR NEWS · NEWS BRIEFAMD Ryzen AI 7 HX 455 leak signals acut-back HX 470 with Z2 Extreme-classRadeon 890M iGPUXAIPART
Cover image generated from data already shown on this page: the category motif, the headline, and reported key numbers. No decorative illustration; no third-party image.

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Reported by TechPowerUp on . Summarized and analyzed by XAIPART Editorial.

What happened

According to a Weibo post by Golden Pig Upgrade cited by TechPowerUp, AMD is preparing a new mobile APU branded Ryzen AI 7 HX 455 that closely resembles the existing Ryzen Z2 Extreme.S1 The leak states the new CPU would launch with eight cores and sixteen threads and a 16 CU integrated GPU, with the iGPU reportedly identical to the Radeon 890M found on the Ryzen AI Z2 Extreme.S1

The exact core breakdown is unknown, but the leaker indicated, in response to a question about CCD layout, that the configuration would resemble the Z2 Extreme, which carries three Zen 5 cores and five Zen 5c cores spread across two CCDs.S1 The new APU reportedly ships with a larger 24 MB L3 cache than the Z2 Extreme's 16 MB, which the source reads as a sign that the HX 455 is a cut-back version of the Ryzen AI HX 470, an APU that pairs four Zen 5 cores with eight Zen 5c cores.S1

Key numbers
MetricReported valueSource
CPU cores / threads8 / 16[S1]
iGPU configuration16 CU, reportedly identical to Radeon 890M[S1]
L3 cache24 MB (vs. 16 MB on Z2 Extreme)[S1]
Reference core layout3x Zen 5 + 5x Zen 5c across two CCDs (Z2 Extreme)[S1]
TDP / power envelopeNot disclosed—
Launch date / pricingNot disclosed—

Background timeline

  1. - Golden Pig Upgrade leaks the Ryzen AI 7 HX 455 on Weibo, citing 8 cores/16 threads, a 16 CU iGPU and 24 MB of L3 cache.[S1]
  2. Date not disclosed - Ryzen Z2 Extreme launches with 3 Zen 5 + 5 Zen 5c cores across two CCDs, 16 MB L3 and Radeon 890M graphics.[S1]
  3. Date not disclosed - Ryzen AI HX 470 launches with 4 Zen 5 + 8 Zen 5c cores; the HX 455 is described by the source as a cut-back variant of this part.[S1]

XAIPART take

Technical impact

For design teams, the HX 455 reads as a mid-tier Strix-class refresh: 8 cores/16 threads with a likely 3+5 Zen 5/Zen 5c split, but with the same 16 CU RDNA iGPU that already drives handheld gaming on the Z2 Extreme.S1 The 24 MB L3 bump over the Z2 Extreme is the most board-relevant signal here, because it implies a different CCD topology or a fused-down HX 470 die rather than a direct Z2 Extreme bin, which can shift memory-bandwidth and latency behavior on thin-and-light designs.XAIPART analysis

Market impact

If AMD slots the HX 455 into the HX 470's socket and power envelope, OEMs get a cheaper path to Radeon 890M-class iGPU performance in mainstream notebooks, putting pressure on Intel's integrated graphics SKUs in the same 28-45 W class.S1 Sourcing teams should expect the part to compete directly with mid-range HX 370/370-class inventory already on allocation; lead-time visibility will depend on whether AMD routes HX 455 through the same supply chain as the HX 470.XAIPART analysis

Action

Validate the HX 455 against the existing Ryzen AI HX 470 reference platform before re-spinning any 16 CU iGPU board, since both parts share the same iGPU silicon and similar cache topology.S1 For procurement, hold a buffer of HX 470 stock as a second source until AMD confirms HX 455 socket compatibility, TDP and NDA dates, all of which the source does not disclose.XAIPART analysis

XAIPART Forecast

XAIPART expects AMD to officially confirm the Ryzen AI 7 HX 455 with a published TDP and at least one OEM design win by Q1 2027; if no TDP figure or OEM notebook listing appears by 2027-03-31, this forecast is wrong. The threshold that buyers should track is whether announced HX 455 notebooks ship with at least 16 GB of LPDDR5x memory, which is the configuration that lets the 16 CU iGPU match Radeon 890M handheld-class frame rates.XAIPART analysis

Facts are as reported by the cited source. The design-in, sourcing and forward-looking statements above are XAIPART's analysis, not the source's claims. Uncertainty: every specification beyond 8 cores/16 threads, 16 CU iGPU and 24 MB L3 - including exact core split, CCD count, TDP, socket and launch date - comes from a single Weibo post and has not been confirmed by AMD or any second publication.

Corrections: none at publication. This brief will be updated with a timestamp if the source corrects its report.

替代料与生命周期

已收录的替代料——仅为目录范围，不代表市场排名
料号关系生命周期依据
— 暂无收录替代料 待补充数据 — 需 match_type 后才可显示任何前代标签

“前代”和“替代”标签仅来自已记录的匹配类型、生命周期状态或来源文本。没有记录匹配时，不显示任何标签。我们自己的商品列表不构成市场参考。

关注要点

可证伪预测——阈值、时间窗口和当前状态。被推翻的预测仍保留可见。
论断阈值发布方状态
XAIPART expects AMD to officially confirm the Ryzen AI 7 HX 455 with a published TDP and at least one OEM design win by Q1 2027 no TDP figure or OEM notebook listing appears by 2027-03-31 Pending

被证明错误的预测仍保留可见并加以标注。我们不会删除它们。

竞争格局

  • 21761 个在售商品（XAIPART 此分类）
  • 88 收录制造商
  • 57 家制造商（过去 30 天内出现在我们的新闻存档中）

统计数据仅反映 XAIPART 目录，不代表市场份额。

受影响的料号

目录中无匹配。 此事件未映射到 XAIPART 当前上架的任何料号。我们不推断匹配，也不显示占位列表。

此事在事件脉络中的位置

Event chain · as of 2026-10-20T09:30:38+08:00 · showing 6 of 8 briefs · nodes link to published articles on this site.
Event chain — amd+semiconductor-newsChain nodes: 2026-10-07 AMD公布全部31款Zen 6 EPYC 9006 SKU的千片价格。SP7于2026年第四季度出货，SP8于2027年上半年跟进，以默认CPU功耗取代TDP。; 2026-10-09 Astera Labs 为其 Aries 7 产品组合增加重定时器、重驱动器、线缆模块、光驱动器和 TA，样品将于 2026 年第四季度提供，早于 OCP Global Summit 演示。; 2026-10-10 AMD 披露了一款面向 CXL 分层内存热页跟踪的 Zen 6 硬件采样器；基准测试差异不一，补丁仍在开发中。; 2026-10-10 AMD以内存和制造成本为由，将中国区GPU厂商价格上调最高104美元（RX 9070）。国际市场预计将跟进。; 2026-10-10 iBUYPOWER将于2026年第四季度起以3999美元起售基于Ryzen AI Max+ PRO 495的迷你工作站。了解设计导入和采购方面的变化。; 2026-10-20 A Weibo leak surfaces an 8-core Ryzen AI 7 HX 455 APU with 16 CU Radeon graphics matching the Radeon 890M and 24 MB of L3 cache, pointing at a thinner HX 470 sibling.. As of 2026-10-20T09:30:38+08:00. Open forecast: AMD公布全部31款Zen 6 EPYC 9006 SKU的千片价格。SP7于2026年第四季度出货，SP8于2027年上半年跟进，以默认CPU — pending Open forecast: Astera Labs 为其 Aries 7 产品组合增加重定时器、重驱动器、线缆模块、光驱动器和 TA，样品将于 2026 年第四季度提供，早 — pending.2026-10-07AMD公布全部31款Zen 6 EPour brief ↗2026-10-09Astera Labs 为其 Ariour brief ↗2026-10-10AMD 披露了一款面向 CXL 分层our brief ↗2026-10-10AMD以内存和制造成本为由，将中国区our brief ↗2026-10-10iBUYPOWER将于2026年第四our brief ↗2026-10-20A Weibo leak surfaour brief ↗this briefOpen forecast: AMD公布全部31款Zen 6 EPYC 9006 SKU的千片价格。SP7于2026年第四季度出货，SP8于2027年上半年跟进，以默认CPU — pendingOpen forecast: Astera Labs 为其 Aries 7 产品组合增加重定时器、重驱动器、线缆模块、光驱动器和 TA，样品将于 2026 年第四季度提供，早 — pending
  1. amd-epyc-9006-venice-700-8-core-to-14-904-256-core-what-sp7-sp8-buyers-need2026-10-07
  2. astera-labs-broadens-aries-7-pcie-7-connectivity-line-for-multi-rack-ai-clusters2026-10-09 · product launch
  3. what-amd-s-zen-6-ibs-memory-profiler-means-for-cxl-tiered-memory-server-designs2026-10-10
  4. amd-gpu-price-hikes-of-up-to-104-hit-china-first-international-board-partners-already-notified2026-10-10 · price change
  5. ibuypower-s-amd-ai-halo-mini-pc-what-the-ryzen-ai-max-pro-495-means-for-compact-workstation-sourcing2026-10-10 · product launch
  6. amd-ryzen-ai-7-hx-455-leak-signals-a-cut-back-hx-470-with-z2-extreme-class-radeon-890m-igpu2026-10-20
  1. AMD公布全部31款Zen 6 EPYC 9006 SKU的千片价格。SP7于2026年第四季度出货，SP8于2027年上半年跟进，以默认CPU功耗取代TDP。 trade
  2. Astera Labs 为其 Aries 7 产品组合增加重定时器、重驱动器、线缆模块、光驱动器和 TA，样品将于 2026 年第四季度提供，早于 OCP Global Summit 演示。 product launch trade
  3. AMD 披露了一款面向 CXL 分层内存热页跟踪的 Zen 6 硬件采样器；基准测试差异不一，补丁仍在开发中。 trade
  4. AMD以内存和制造成本为由，将中国区GPU厂商价格上调最高104美元（RX 9070）。国际市场预计将跟进。 price change trade
  5. iBUYPOWER将于2026年第四季度起以3999美元起售基于Ryzen AI Max+ PRO 495的迷你工作站。了解设计导入和采购方面的变化。 product launch trade
  6. A Weibo leak surfaces an 8-core Ryzen AI 7 HX 455 APU with 16 CU Radeon graphics matching the Radeon 890M and 24 MB of L3 cache, pointing at a thinner HX 470 sibling. trade
  7. Colorful's E-ATX X870E Ultra-S V14 AM5 board ships in China at 1,899 CNY with 16+2+1 80 A VRMs, five M.2 slots and Wi-Fi 7. product launch trade
  8. A leaked OpenBenchmarking entry for an AMD Gainsborough engineering sample shows 6 cores, 24 GB LPDDR5 at 9600 MT/s, and Furmark parity with today's Steam Deck at lower resolution. trade

因果链仅由已发布的简报构建——没有简报的节点不会绘制。

各维度成本压力

Source: FRED · Generated · reference output z and composite are algorithm outputs, not a fetch snapshot

Cost pressure by dimension — composite stateDiverging bars for three dimensions around a zero midpoint. Input Cost has no reading; Supply Demand z -1.4711, notable; Fx Energy z 0.4541, neutral. Composite index -7.6, band neutral.0投入成本no reading供需z −1.4711 · notable46 d汇率与能源z +0.4541 · neutral6 dcomposite −7.6 · neutral−100 · −40 · −15 · 0 · +15 · +40 · +100
Underlying values — copyable for verification.
DimensionFRED series IDUnitLagAs of
投入成本PCOPPUSDM, PALUMUSDM, PNICKUSDMUSD/mt96 d
供需PCU334413334413, IPG3344Sindex(1982=100) / index(2017=100)46 d
汇率与能源DEXCHUS, DCOILBRENTEU, DHHNGSPrate / USD/bbl / USD/MMBtu6 d

No free authoritative interface for: gold · silver · rare earth · polysilicon · lithium carbonate · market share — listed rather than approximated.

本文如何生成

过程证据——抓取、来源可靠性检查、模型与校验
本简报的审计记录
Source fetched TechPowerUp · www.techpowerup.com · 1,832 chars · fetch status success
Source sanity (S1) ok — passed before any model call (no s1_ block recorded)
Model / prompt MiniMax-M3 · prompt Blog Agent - News Summary (v2.8-final) · 6,443 tokens · 23.3s · run completed
Gate verdict pass · 6/6 applicable checks passed · spec v2.9 · C10 ratio 0.047427 · C10 rounds 0
Time contract 2 <time datetime> values in this brief — 0 violations (+08:00 or date-only)

上述每一行均由流水线生成，而非人工撰写。

编辑评分

确定性校验结果——纯 PHP 实现，判定过程不涉及模型
校验评分明细 6 项适用检查， 6项通过： 100 %. No hold items or mandatory failures. Gate spec: v2.9 (S0 + S1 + C1–C20) · Source affinity (C20): 0.5714. 适用检查已通过 6 / 6 = 100% · 判定： pass No hold items or mandatory failures Gate spec: v2.9 (S0 + S1 + C1–C20) · Source affinity (C20): 0.5714 是否发布由校验决定。独立审计评分仅供参考。

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来源

  1. AMD Ryzen AI 7 HX 455 Surfaces with 16 CU Radeon Graphics — https://www.techpowerup.com/353881/amd-ryzen-ai-7-hx-455-surfaces-with-16-cu-radeon-graphics · rss · 访问于

事实标注为 S1/S2，并可追溯至所链接的来源。标注为 分析 的内容是 XAIPART 自身的推理，与报道的事实分开呈现。来源链接会被访问核实，而非 nofollow ——署名是有意为之。