The steam deck has 16gb of unified ram memory and 1gb of dedicated Vram memory, 17gb in total, the way the program reads the hardware utilization is the total ram, that is, you are using 7.4gb of Vram, which is 1gb of dedicated Vram and 6.4 of ram as vram and the other 3.6gb of ram are used by the game and the operating system.
You are not using 17gb, you are using 10gb of ram and 1gb of dedicated Vram (11gb).
The steam deck has 16gb of unified ram memory and 1gb of dedicated Vram memory, 17gb in total, the way the program reads the hardware utilization is the total ram, that is, you are using 7.4gb of Vram, which is 1gb of dedicated Vram and 6.4 of ram as vram and the other 3.6gb of ram are used by the game and the operating system. You are not using 17gb, you are using 10gb of ram and 1gb of dedicated Vram (11gb).