GPU+Intel內部八卦 - 3C
By Andy
at 2020-08-10T00:03
at 2020-08-10T00:03
Table of Contents
節錄並翻譯自Moore’s Law Is Dead的最新影片(https://youtu.be/nXeq2_P_O50)
https://i.imgur.com/4jPKhiB.jpg
專業卡消息:
1.Quadro 6000會使用一刀未切的GA102並搭載48GB的VRAM,頂規電競卡則是搭載24GB
2.Quadro 5000同樣使用GA102但經過老黃刀工洗禮,但詳細規格就連Nvidia的人都不太清楚
關於製程:
1.Geforce系列可能全部都用samsung 8nm製程,Quadro則會使用GG的7nm製作
2.因"台積產能的關係",3080Ti選擇使用8nm
3.但既然Nvidia同時也會使用7nm來生產,他們也可以"形式上"發表使用7nm的GA102/104
關於3080:
1.與Quadro 5000類似(同為GA102)但有些許不同
2.不少stream processor會被停用以降低能耗
3.Nvidia正在考量增加VRAM,先前搭載20GB VRAM的GA102可能是7nm的RTX3090並使用GRRD6X
4.現在送測的3080,VRAM有可能被Nvidia先用軟體限制住,直到他們確定RDNA2的性能(但機會不大)
那要去哪裡才可以買的到?
1.九月發表但十月初可能才會上架
2.8nm的RTX3080會先發售,等到Big Navi亮相之後再派RTX3090出來打臉(CHECKMATE!)
老黃藏招:
1.Nvidia不認為AMD能威脅到他們的頂規卡,但擔心3080會輸給Big Navi,所以最終的規格還沒定案
2.8nm的3080性能會比2080Ti提升15-25%,7nm的GA102則會提升45-60%
3.新增Tensor memory compression & NVcache來提升VRAM效能以及影格緩衝,但這些功能可能只會出現在3090跟Titan卡上
https://i.imgur.com/GVOjgjG.jpg
RDNA 2專業卡:
1.預計在九月底/十月初送出,並在十二月發表
2.Nvidia或許不會推出Quadro 8000,Ampere Quadro卡定價可能比Turing還低,為的是捍衛資料中心的市佔
RDNA 2記憶體大小:
1.搭載HBM以及新世代的GDDR6要等到明年第一季才會發表
2.Navi 21至少有3個版本,Navi 22至少有2個版本,並且都已經進入最終封測(根據前幾天中國人在chip hell上的爆料,似乎已經在台灣完成封測,還有16/12GB兩個版本)
3.Navi 22 56 CU(就像Xbox series X),Navi 21 80 CU
4.Navi 22預估性能: 2.1GHz的頻率, 8/16GB的GDDR6搭配256-bit的memory bus,總共18Gbps的頻寬
守口如瓶的蘇阿姨:
1.AIB廠商並不知道頂規卡的規格
2.估計頂規卡會先以公版卡推出,AMD不希望消息走漏
3.頂規卡可能只能向AMD購買(也有可能永不見光明QQ,像去年傳出的5800/5900)
頂規RDNA 2卡:
1.去年曾有72/76 CU的樣卡
2.曾有性能高出2080Ti 35%的樣卡
3.Big Navi(Navi 21)性能可能會比2080Ti高出40%
但去年的樣卡並不會每一張都問世
其他性能:
1.尚未完全確認,但基本上,RDNA 2的光追性能會遠好過Turing
2.目前多數RDNA 2卡的能耗都比Nvidia好,但AMD也有可能超頻榨出更多性能來跟Nvidia一較高下
3.尚未確認: HBCC2.0還有光追性能
https://i.imgur.com/dVekvEM.jpg
Nvidia Hopper:
1.Nvidia曾經測試過在顯卡上加入獨立的光追處理器(類似coreteks之前提到的traversal co-processor) ,這個處理器是否會出現在Ampere上目前尚未定論
2.Hopper傳出會使用類似Zen的架構(MCM/Chiplets)
RDNA 3:
1.謠言指出也會是用像Zen一樣的架構
2.使用5nm甚至4nm的製程
3.強化幾何運算以及VR性能,AMD認為屆時(2022)VR會成為主流
https://i.imgur.com/48pkp38.jpg
i皇GPU road map:
2020:
DG 1架構將於下個月首見於Tiger lake上(10nm製程)
2021:
1.Arctic sound(專業卡,DG是針對遊戲): 四個運算區塊(tile,膠水黏起來的MCM設計),耗能最高可達500w(去年曾有500w的樣卡性能能夠跟上2080Ti),搭載HBM2e的3D堆疊架構(10nm製程),稍微勝過Tiger lake上的表現
2.DG 2: 至少會有兩個運算區塊(試著搶攻中階卡),使用GG的6nm製程
3.Ponte Vecchio: 將用於Aurora超級電腦中,原先排定要用自家7nm
2022:
1.Jupiter Sound: Arctic sound的後繼款,可搭配4-8個運算區塊,使用HBM 3,理論上此時應該要搞定他們的inter connect能耗問題(MCM設計需要類似infinity fabric的inter connect,先前500w的能耗就是因為inter connect)
2.DG 3: 四個運算區塊,原先排定用自家的7nm,目前看來會用GG的製程
https://i.imgur.com/hrjpaHV.jpg
i皇內部爆料:
1.Intel曾考慮買下Nuvia,但目前已經打消念頭
2.Xe的行銷都是Raja的蠢主意,而Chris Hook把它提升到另一個低能的境界,現在Intel內部一片混亂。(爆料者認為)即使他們真的做出好產品,行銷部的人也不知道怎麼行銷,因為他們對此一無所知
3.目前的內顯是個不錯的升級,但一旦AMD把RDNA放入APU,這個優勢將不復存在
4.13代的產品模擬實驗的結果目前似乎不太樂觀
5.Xe GPU計畫不太可能會被取消,因為Intel已經砸太多錢(雇用Raja、多年開發 等等)
6.大家對Murthy被開除都感到很意外(AdoredTV的爆料者在Intel財報後也一致認為Raja會走人,然後Murthy會成為CEO)。
7.Murthy恨透Raja跟Jim Keller,他想剷除所有威脅到他CEO大位的人
8.Raja正試著拿下CEO大位
9.Raja在業界名聲很差,自尊心太強
10.有些人認為Bob Swan缺乏遠見跟規劃,但也有些人認為他現在所做的對公司很重要
如果排版有點怪怪的還請見諒> <
--
--
https://i.imgur.com/4jPKhiB.jpg
專業卡消息:
1.Quadro 6000會使用一刀未切的GA102並搭載48GB的VRAM,頂規電競卡則是搭載24GB
2.Quadro 5000同樣使用GA102但經過老黃刀工洗禮,但詳細規格就連Nvidia的人都不太清楚
關於製程:
1.Geforce系列可能全部都用samsung 8nm製程,Quadro則會使用GG的7nm製作
2.因"台積產能的關係",3080Ti選擇使用8nm
3.但既然Nvidia同時也會使用7nm來生產,他們也可以"形式上"發表使用7nm的GA102/104
關於3080:
1.與Quadro 5000類似(同為GA102)但有些許不同
2.不少stream processor會被停用以降低能耗
3.Nvidia正在考量增加VRAM,先前搭載20GB VRAM的GA102可能是7nm的RTX3090並使用GRRD6X
4.現在送測的3080,VRAM有可能被Nvidia先用軟體限制住,直到他們確定RDNA2的性能(但機會不大)
那要去哪裡才可以買的到?
1.九月發表但十月初可能才會上架
2.8nm的RTX3080會先發售,等到Big Navi亮相之後再派RTX3090出來打臉(CHECKMATE!)
老黃藏招:
1.Nvidia不認為AMD能威脅到他們的頂規卡,但擔心3080會輸給Big Navi,所以最終的規格還沒定案
2.8nm的3080性能會比2080Ti提升15-25%,7nm的GA102則會提升45-60%
3.新增Tensor memory compression & NVcache來提升VRAM效能以及影格緩衝,但這些功能可能只會出現在3090跟Titan卡上
https://i.imgur.com/GVOjgjG.jpg
RDNA 2專業卡:
1.預計在九月底/十月初送出,並在十二月發表
2.Nvidia或許不會推出Quadro 8000,Ampere Quadro卡定價可能比Turing還低,為的是捍衛資料中心的市佔
RDNA 2記憶體大小:
1.搭載HBM以及新世代的GDDR6要等到明年第一季才會發表
2.Navi 21至少有3個版本,Navi 22至少有2個版本,並且都已經進入最終封測(根據前幾天中國人在chip hell上的爆料,似乎已經在台灣完成封測,還有16/12GB兩個版本)
3.Navi 22 56 CU(就像Xbox series X),Navi 21 80 CU
4.Navi 22預估性能: 2.1GHz的頻率, 8/16GB的GDDR6搭配256-bit的memory bus,總共18Gbps的頻寬
守口如瓶的蘇阿姨:
1.AIB廠商並不知道頂規卡的規格
2.估計頂規卡會先以公版卡推出,AMD不希望消息走漏
3.頂規卡可能只能向AMD購買(也有可能永不見光明QQ,像去年傳出的5800/5900)
頂規RDNA 2卡:
1.去年曾有72/76 CU的樣卡
2.曾有性能高出2080Ti 35%的樣卡
3.Big Navi(Navi 21)性能可能會比2080Ti高出40%
但去年的樣卡並不會每一張都問世
其他性能:
1.尚未完全確認,但基本上,RDNA 2的光追性能會遠好過Turing
2.目前多數RDNA 2卡的能耗都比Nvidia好,但AMD也有可能超頻榨出更多性能來跟Nvidia一較高下
3.尚未確認: HBCC2.0還有光追性能
https://i.imgur.com/dVekvEM.jpg
Nvidia Hopper:
1.Nvidia曾經測試過在顯卡上加入獨立的光追處理器(類似coreteks之前提到的traversal co-processor) ,這個處理器是否會出現在Ampere上目前尚未定論
2.Hopper傳出會使用類似Zen的架構(MCM/Chiplets)
RDNA 3:
1.謠言指出也會是用像Zen一樣的架構
2.使用5nm甚至4nm的製程
3.強化幾何運算以及VR性能,AMD認為屆時(2022)VR會成為主流
https://i.imgur.com/48pkp38.jpg
i皇GPU road map:
2020:
DG 1架構將於下個月首見於Tiger lake上(10nm製程)
2021:
1.Arctic sound(專業卡,DG是針對遊戲): 四個運算區塊(tile,膠水黏起來的MCM設計),耗能最高可達500w(去年曾有500w的樣卡性能能夠跟上2080Ti),搭載HBM2e的3D堆疊架構(10nm製程),稍微勝過Tiger lake上的表現
2.DG 2: 至少會有兩個運算區塊(試著搶攻中階卡),使用GG的6nm製程
3.Ponte Vecchio: 將用於Aurora超級電腦中,原先排定要用自家7nm
2022:
1.Jupiter Sound: Arctic sound的後繼款,可搭配4-8個運算區塊,使用HBM 3,理論上此時應該要搞定他們的inter connect能耗問題(MCM設計需要類似infinity fabric的inter connect,先前500w的能耗就是因為inter connect)
2.DG 3: 四個運算區塊,原先排定用自家的7nm,目前看來會用GG的製程
https://i.imgur.com/hrjpaHV.jpg
i皇內部爆料:
1.Intel曾考慮買下Nuvia,但目前已經打消念頭
2.Xe的行銷都是Raja的蠢主意,而Chris Hook把它提升到另一個低能的境界,現在Intel內部一片混亂。(爆料者認為)即使他們真的做出好產品,行銷部的人也不知道怎麼行銷,因為他們對此一無所知
3.目前的內顯是個不錯的升級,但一旦AMD把RDNA放入APU,這個優勢將不復存在
4.13代的產品模擬實驗的結果目前似乎不太樂觀
5.Xe GPU計畫不太可能會被取消,因為Intel已經砸太多錢(雇用Raja、多年開發 等等)
6.大家對Murthy被開除都感到很意外(AdoredTV的爆料者在Intel財報後也一致認為Raja會走人,然後Murthy會成為CEO)。
7.Murthy恨透Raja跟Jim Keller,他想剷除所有威脅到他CEO大位的人
8.Raja正試著拿下CEO大位
9.Raja在業界名聲很差,自尊心太強
10.有些人認為Bob Swan缺乏遠見跟規劃,但也有些人認為他現在所做的對公司很重要
如果排版有點怪怪的還請見諒> <
--
--
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