AMD rumored to be working on another Navi 3X GPU with 16384 Stream Processors

Published: Jun 21st 2022, 08:48 GMT   Comments

Please note that this post is tagged as a rumor.

AMD Navi 3X GPU with even more cores than Navi 31

AMD hardware leaker Greymon55 claims that AMD is working on a new variant of Navi3X GPU. 

While Navi 31 was initially rumored to feature two GCD (Graphics Compute Dies) and up to 16384 Stream Processors, those specs have now been updated to single GCD and 12288 cores. However, according to Greymon55 the 16384SP configuration may not be completely off the table just yet.

It is said that AMD is working on another (fourth) Navi 3X GPU with exactly this number of cores. This processor would therefore have more cores than Navi 31, and it would launch in 2023. No other details are available at this moment.

According to RedGamingTech, AMD could be developing a Radeon Pro (workstation) graphics card with dual GCD configuration, which might explain where this fourth Navi 3X GPU could find its use. The dual GCD configurations are now expected to debut with Navi 4X (RDNA4) architecture, rather than Navi 3X, the YouTuber points out.

On paper, this rumored RDNA3 GPU would appear to be a doubled configuration of Navi 32 GPU, which is expected to feature 8192 Stream Processors. Interestingly, this GPU was also rumored to launch next year.

Fabrication NodeTBCTSMC 5nm + 6nmTSMC 5nm + 6nmTSMC 6nm
GPU PackageMulti-Chip-Module (MCM)Multi-Chip-Module (MCM)Multi-Chip-Module (MCM)Monolithic
Configuration2x GCD + (?) MCD1x GCD + 6x MCD1x GCD + 4x MCDTBC
Shader Engines8642
Shader Arrays161284
RDNA Workgroups (WGP)64483216
Compute Units128966432
Stream Processors163841228881924096
Memory & BusTBC24GB GDDR6 384-bit16GB GDDR6 256-bit8GB GDDR6 128-bit
Memory BandwidthTBC864 GB/s (18 Gbps)576 GB/s (18 Gbps)288 GB/s (18 Gbps)
 Infinity CacheTBC384MB256MB128MB
PCIe InterfaceTBCPCIe Gen5PCIe Gen5PCIe Gen5
Release2023Q3 2022Q1 2023Q4 2022
Rumored SKURadeon PRORadeon RX 7900XTRadeon RX 7700XTRadeon RX 7600XT
All information based on rumors. (Updated: June 21)

Source: @greymon55

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