AMD Radeon RX 7900M high-end mobile Navi 31 GPU featuring 72 RDNA3 CUs set to launch on October 19

Published: Oct 4th 2023, 13:32 GMT   Comments

Please note that this post is tagged as a rumor.

AMD Radeon RX 7900M to feature cut-down Navi 31

It is reported that AMD will unveil its high-end RDNA3 mobile GPU very soon. 

According to the latest information from Wccftech, AMD is preparing to unveil the Radeon RX 7900M mobile graphics card on October 19th, coinciding with the rumored release date of the Threadripper PRO 7000.

To provide context, AMD has thus far introduced mobile SKUs based on the Navi 33 architecture with the RX 7600M/S series, which have been relatively scarce in the gaming laptop market. Laptop manufacturers have primarily favored the RTX 4050/4060 series, and AMD had not shown much interest in competing with more powerful options until now. The Navi 32 GPU, boasting up to 60 Compute Units, appeared to be a promising choice for a laptop GPU, potentially slated for the RX 7800M series. However, recent reports suggest that AMD is shifting its focus towards the introduction of a more powerful Navi 31 architecture instead.

The upcoming RX 7900M is said to feature 72 Compute Units, indicating that it may not be based on the Navi 32 GPU. This lends credibility to the rumors about a smaller Navi 31 package, as observed in the RX 7900 GRE desktop model. The RX 7900M is expected to sport 4608 Stream Processors, more than double the core count of RX 7600M XT. The 72 CU configuration represents a decrease when compared to the RX 7900 GRE (80 CUs), RX 7900 XT (84 CUs), and RX 7900 XTX (96 CUs). This reduction in the number of GPU cores, approximately by 25%, appears to have been a crucial choice made to ensure that the GPU’s Total Graphics Power (TGP) remains below 175 watts, which stands as the upper limit for power consumption among laptop GPUs.

Previous rumors have indicated that the RX 7900M will feature a 256-bit memory bus, strongly suggesting a 16GB memory configuration (as 8GB is no longer sufficient for high-end SKUs). When comparing the released RX 7000M cards with the rumored RX 7900M, it becomes evident that there is a substantial gap between the Navi 31/33 cards. It is highly likely that AMD will eventually introduce the Navi 32 architecture, and one can only hope that the wait for its arrival will not be too lengthy.

2023 Mobile GPUs
VideoCardz.comGPUCoresBoost ClockMemoryTGP
AMD Radeon RX 7000 (RDNA3)
Radeon RX 7900M (?)Navi 31
4608 SP
16GB G6 256b
Radeon RX 7800M (?)Navi 32TBCTBC
12GB G6 192b
Radeon RX 7600M XTNavi 33
2048 SP
2.30 GHz
8GB G6 128b
Radeon RX 7700SNavi 33
2048 SP
2.20 GHz
8GB G6 128b
Radeon RX 7600MNavi 33
1792 SP
2.07 GHz
8GB G6 128b
Radeon RX 7600SNavi 33
1792 SP
1.88 GHz
8GB G6 128b
GeForce RTX 4090AD103
9728 CUDA
2.04 GHz
16GB G6 256b
GeForce RTX 4080AD104
7424 CUDA
2.28 GHz
12GB G6 192b
GeForce RTX 4070AD106
4608 CUDA
2.18 GHz
8GB G6 128b
GeForce RTX 4060AD107
3072 CUDA
2.37 GHz
8GB G6 128b
GeForce RTX 4050AD107
2560 CUDA
2.37 GHz
6GB G6 96b

Source: Wccftech

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