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The AMD Radeon RX 6700M series will have larger dies than the RX 5700 XT

Navi 22 GPUs will reputedly be the foundation of AMD's flagship RX 6000M cards. (Image source: AMD)
Navi 22 GPUs will reputedly be the foundation of AMD's flagship RX 6000M cards. (Image source: AMD)
The AMD Radeon RX 6700M series will have larger dies than the RX 5700 XT, according to a new report. Expected to be built on Navi 22 GPUs, the RX 6700M series will do battle with the mobile forms of the RTX 3070, RTX 3080 and RTX 3090 from early next year. RX 6700M cards may offer up to 40 Compute Units and 12 GB of VRAM.

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It has been a few weeks since Patrick Schur published information about the mobile variants of the RX 6700 series, but the software engineer has offered yet more insights into the upcoming RDNA 2 cards. According to Schur, Navi 22 GPUs will have 18.31 x 18.27 mm dies, which equates to a size of 334.52 mm². As Wccftech points out, a die size of 334.52 mm² would be over a third larger than the die of the RX 5700 XT.

Additionally, Navi 21 GPUs will offer up to a 192-bit memory interface split across six chips. Apparently, SKUs with a 192-bit bus width will also have a target TGP of 146 W, although Schur has previously claimed that the Navi 22 XT GPU has a TGP of 186-211 W. By contrast, Navi 22 SKUs with 90, 110 and 135 W TGPs will be limited to a 160-bit bus on five memory chips.

AMD supposedly plans to release Navi 23 and Navi 24 mobile GPUs too, which would make Navi 22 the top-end SKUs of the RX 6000M product stack. Navi 22 GPUs are also expected to offer up to 2,560 cores, 40 Compute Units (CUs) and up to 12 GB of VRAM. RX 6000M laptops should begin arriving in the first half of 2021, just in time to challenge NVIDIA's RTX 30 series options.

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(Image source: @patrick_schur)
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Alex Alderson
Alex Alderson - Senior Tech Writer - 4070 articles published on Notebookcheck since 2018
Prior to writing and translating for Notebookcheck, I worked for various companies including Apple and Neowin. I have a BA in International History and Politics from the University of Leeds, which I have since converted to a Law Degree. Happy to chat on Twitter or Notebookchat.
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> Notebook / Laptop Reviews and News > News > News Archive > Newsarchive 2020 12 > The AMD Radeon RX 6700M series will have larger dies than the RX 5700 XT
Alex Alderson, 2020-12- 8 (Update: 2020-12- 8)