AMD RX7950 XT顯卡傳聞詳細規格 500W TBP - 3C

By Cara
at 2022-04-01T23:07
at 2022-04-01T23:07
Table of Contents
Greymon55透露了AMD Radeon RX 7950 XT RDNA3顯示卡據稱的規格。新規格與之前聽到的
一致
但看起來AMD可能計劃在即將推出的Radeon RX 7000系列系列中導入多個Navi 31 SKU。
從AMD Navi 31 GPU開始,這款旗艦RDNA3晶片將為下一代Radeon RX 7900 XT顯示卡提供
動力
Olrak29_設法根據Twitter上流傳的所有謠言組裝了晶片的框圖
聽說AMD將在其下一代RDNA3 GPU上放棄CU(計算單元),轉而使用WGP(工作組處理器)
。
此處顯示的Navi 31 GPU配置有兩個GCD(顯示核心晶片)和一個MCD(多快取晶片)。每
個GCD有3個著色器引擎(總共6個)
每個著色器引擎有2個著色器陣列(每個SE 2個/每個GCD 6個/總共12個)。每個著色器陣
列由5個WGP
(每個SE 10個/每個GCD 30個/總共60個)組成,每個WGP有8個SIMD32單元和32個ALU
(每個SA 40個SIMD32/每個SE 80個/每個GCD 240個/總共480個)
這些SIMD32單元組合在一起構成每個GCD 7,680個核心和總共15,360個核心。
Navi 31 (RDNA 3) MCD將透過下一代Infinity Fabric互連連接到雙GCD,並有256-512MB
的Infinity Cache
每個GPU還應有4個記憶體連接鏈路(32位元)。一個256位元記憶體匯流排總共有8個32位
元記憶體控制器。
因此根據所謂的訊息,Radeon RX 7000系列中的旗艦顯示卡AMD Radeon RX 7950 XT將採
用旗艦Navi 31 GPU
總共有15360個處理器,頻率為2.5GHz。我們不知道這是否是最大時脈速度
但它比Radeon RX 6900 XT的最大時脈提高了11%,並提供了38.4 TFLOPs的有效FP32計算
與RX 6900 XT相比計算性能提高了67%。該卡的TBP比6900 XT高200W,TBP額定值為500W也
增加了67%。
至於記憶體配置AMD Radeon RX 7950 XT的記憶體容量預計將是當前旗艦產品的16GB的兩
倍
為32GB。該卡將保留其256位元記憶體匯流排,但更快(21 Gbps)的GDDR6可以讓AMD達到
高於512GB/s的內部頻寬(高達672GB/s)
至於Infinity Cache設計,Navi 31 GPU的板載512MB也翻了一倍
這些規格聽起來確實很可怕,足以應對NVIDIA的GeForce RTX 40 Ada Lovelace產品。
另外AMD不打算很快或至少在其Radeon RX 7000系列顯示卡上採用新的16針 (12+4) 連接
器標準.
因為AMD認為它還不穩定,但看起來AMD的7000系列設計在導入標準之前就已經完成了。
https://reurl.cc/Rj5x6e
XF編譯 https://www.xfastest.com/thread-260668-1-1.html
可怕歸可怕 先打五折 從北極星 RX480 吹到現在 老招
--
Tags:
3C
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