Startseite » AMD Radeon RX 7900M enters battle with Nvidia RTX 4080 in laptops

AMD Radeon RX 7900M enters battle with Nvidia RTX 4080 in laptops

AMD has unveiled its latest flagship laptop GPU with the Radeon RX 7900M. This Navi 31-based 3D chip should be significantly more powerful than currently available models in the RX 7000 mobile series, which use a Navi 33 gpu. It is making its debut in the Alienware m18 notebook.

The RX 7900M features 72 compute units and 4,608 stream processors, which should be able to reach a frequency of 1,825 MHz in games. The chip is paired with 64 MB of Infinity Cache and 16 GB of gddr6 memory clocked at 18 Gbps. This indicates four of six enabled memory cache dies and a 265-bit wide memory bus. The tgp is 180 watts.

According to about 20 games tested at 1440p at maximum settings, the RX 7900M should average 7% more fps than the mobile variant of the RTX 4080, according to Team Red’s figures. The graph also shows that the Radeon gpu mostly loses out in games where raytracing is enabled.

Those looking to get started with the latest RDNA 3 gpu for laptops can only turn to Dell for now. Indeed, currently the Alienware m18 is the only laptop that has this chip on board. It has a suggested retail price of US$2,800 and comes standard with a Ryzen 9 7945HX (16C/32T) and 32 GB of ram under the hood, as well as a 480Hz panel and a 1 TB nvme SSD. For reference, the same configuration with the RTX 4080 costs $50 more, but has to make do with the Ryzen 9 7845HX (12C/24T).

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