40系7月中發表 4090=2x3090 7950XT變24G - 3C
![Michael avatar](/img/cat2.jpg)
By Michael
at 2022-05-16T22:12
at 2022-05-16T22:12
Table of Contents
來 今天來看兩個情報
1.4090總規格整理+40系列發表期間
https://twitter.com/kopite7kimi/status/1526136914952486912
2.7950XT aka Navi31規格又變了
https://twitter.com/RedGamingTech/status/1526173726345142273
https://i.imgur.com/aWfqm4Q.png
爆料大神@kopite7kimi 這次給出了4090的詳細規格整理了
使用AD102-300核心 核心數改為16128 FP32 不同於之前的18432 FP32
也就是說SM從144降到126
VRAM上次看過了 21Gbps的24G GDDR6X 功耗450W
效能預計會是兩倍的3090
另外 他說他對RDNA3很失望
在來 他也有提及40系列的發表時間
目前預計會在Q3早期發表 這次他給出了詳細的時間:預計是七月中發表
不過我猜應該也是頂板先發 其他的會比較晚吧
https://i.imgur.com/Tm4hNOw.png
第二個情報是有關於Navi31的規格 也就是7950XT預計搭載的核心
之前我們就已經知道核心數降到12288 改為48WGP了
這次有個情報比較意外 核心不是兩個GCD黏起來了 改為一個
MCD從4*128改成6*32 or 64 代表Infinity Cache也變小了 現在規格是寫384MB
VRAM部分也有出入 終於不是256bit GDDR6了 改上384bit 提升到24G VRAM
是覺得IF終究比不上大bit的VRAM嗎
最後 效能的部分 預計至少會有6900XT的2.1倍 最高可達2.5倍
@kopite7kimi 說他對RDNA3感到失望 但現在看來6900XT 依照TPU只輸3090 7%
這樣即使2.1X 阿4090=3090*2 那這樣效能還有點小勝欸
不過現在還是說不准啦 我還是比較傾向於蘇媽打不贏老黃 但能追平很好了
--
https://i.imgur.com/ljOzppB.jpg https://i.imgur.com/qSEwXzo.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/ljOzppBl.jpg?e=1652898439&s=t6MXjS8daxY-I2WTbrjciQ)
https://i.imgur.com/0ljJN6g.jpg https://i.imgur.com/mANLm18.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/0ljJN6gl.jpg?e=1652942901&s=icCQTdrftcNtYnRnZiel4Q)
https://i.imgur.com/looYP6d.jpg https://i.imgur.com/GR3lsX7.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/looYP6dl.jpg?e=1652902565&s=xfhigo9yHgqhvK9f6DPqrw)
https://i.imgur.com/FjcV1co.jpg https://i.imgur.com/bnWqESi.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/FjcV1col.jpg?e=1652929822&s=oI-e7_aMw1io4gJBCazqvA)
https://i.imgur.com/PyEI9M9.jpg https://i.imgur.com/CgiwPkR.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/PyEI9M9l.jpg?e=1652931878&s=-PwLXoR3tLvKc2IjE3yFGQ)
https://i.imgur.com/4zNSuyc.jpg https://i.imgur.com/77n9PiQ.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/4zNSuycl.jpg?e=1652943676&s=CKO2VTyf_-N6fhtNjytXSA)
--
1.4090總規格整理+40系列發表期間
https://twitter.com/kopite7kimi/status/1526136914952486912
2.7950XT aka Navi31規格又變了
https://twitter.com/RedGamingTech/status/1526173726345142273
https://i.imgur.com/aWfqm4Q.png
![](https://cache.ptt.cc/c/https/i.imgur.com/aWfqm4Ql.png?e=1652938187&s=lV263q5aydgbYb63wQMOgw)
使用AD102-300核心 核心數改為16128 FP32 不同於之前的18432 FP32
也就是說SM從144降到126
VRAM上次看過了 21Gbps的24G GDDR6X 功耗450W
效能預計會是兩倍的3090
另外 他說他對RDNA3很失望
在來 他也有提及40系列的發表時間
目前預計會在Q3早期發表 這次他給出了詳細的時間:預計是七月中發表
不過我猜應該也是頂板先發 其他的會比較晚吧
https://i.imgur.com/Tm4hNOw.png
![](https://cache.ptt.cc/c/https/i.imgur.com/Tm4hNOwl.png?e=1652897649&s=EykRA-Z9PJdLae6vLOtMdA)
之前我們就已經知道核心數降到12288 改為48WGP了
這次有個情報比較意外 核心不是兩個GCD黏起來了 改為一個
MCD從4*128改成6*32 or 64 代表Infinity Cache也變小了 現在規格是寫384MB
VRAM部分也有出入 終於不是256bit GDDR6了 改上384bit 提升到24G VRAM
是覺得IF終究比不上大bit的VRAM嗎
最後 效能的部分 預計至少會有6900XT的2.1倍 最高可達2.5倍
@kopite7kimi 說他對RDNA3感到失望 但現在看來6900XT 依照TPU只輸3090 7%
這樣即使2.1X 阿4090=3090*2 那這樣效能還有點小勝欸
不過現在還是說不准啦 我還是比較傾向於蘇媽打不贏老黃 但能追平很好了
--
https://i.imgur.com/ljOzppB.jpg https://i.imgur.com/qSEwXzo.jpg
![](https://cache.ptt.cc/c/https/i.imgur.com/ljOzppBl.jpg?e=1652898439&s=t6MXjS8daxY-I2WTbrjciQ)
![](https://cache.ptt.cc/c/https/i.imgur.com/qSEwXzol.jpg?e=1652908823&s=oB16FB5nDgsv5ScyRe1RsA)
![](https://cache.ptt.cc/c/https/i.imgur.com/0ljJN6gl.jpg?e=1652942901&s=icCQTdrftcNtYnRnZiel4Q)
![](https://cache.ptt.cc/c/https/i.imgur.com/mANLm18l.jpg?e=1652938334&s=awaWWjgezzAJmEtqxEIvTg)
![](https://cache.ptt.cc/c/https/i.imgur.com/looYP6dl.jpg?e=1652902565&s=xfhigo9yHgqhvK9f6DPqrw)
![](https://cache.ptt.cc/c/https/i.imgur.com/GR3lsX7l.jpg?e=1652939062&s=TEDkB0BKMpmwUGdCIdbjYw)
![](https://cache.ptt.cc/c/https/i.imgur.com/FjcV1col.jpg?e=1652929822&s=oI-e7_aMw1io4gJBCazqvA)
![](https://cache.ptt.cc/c/https/i.imgur.com/bnWqESil.jpg?e=1652893747&s=M37qQorSIAiOnPxSOUNNNQ)
![](https://cache.ptt.cc/c/https/i.imgur.com/PyEI9M9l.jpg?e=1652931878&s=-PwLXoR3tLvKc2IjE3yFGQ)
![](https://cache.ptt.cc/c/https/i.imgur.com/CgiwPkRl.jpg?e=1652936815&s=mIzjRMiS4f_8GP1WRSyMHw)
![](https://cache.ptt.cc/c/https/i.imgur.com/4zNSuycl.jpg?e=1652943676&s=CKO2VTyf_-N6fhtNjytXSA)
![](https://cache.ptt.cc/c/https/i.imgur.com/77n9PiQl.jpg?e=1652911115&s=RvKDRY3z3FruD_PoqS3uvQ)
--
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