查看命令

glxinfo | grep -i "video memory|memory"

# glxinfo | grep -i "video memory\|memory"
    Video memory: 4096MB
    Unified memory: no
Memory info (GL_ATI_meminfo):
    VBO free memory - total: 3033 MB, largest block: 3033 MB
    VBO free aux. memory - total: 4069 MB, largest block: 4069 MB
    Texture free memory - total: 3033 MB, largest block: 3033 MB
    Texture free aux. memory - total: 4069 MB, largest block: 4069 MB
    Renderbuffer free memory - total: 3033 MB, largest block: 3033 MB
    Renderbuffer free aux. memory - total: 4069 MB, largest block: 4069 MB
Memory info (GL_NVX_gpu_memory_info):
    Dedicated video memory: 4096 MB
    Total available memory: 8192 MB
    Currently available dedicated video memory: 3033 MB
    GL_AMD_performance_monitor, GL_AMD_pinned_memory, 
    GL_EXT_framebuffer_sRGB, GL_EXT_memory_object, GL_EXT_memory_object_fd, 
    GL_MESA_texture_signed_rgba, GL_NVX_gpu_memory_info, 
    GL_AMD_pinned_memory, GL_AMD_query_buffer_object, 
    GL_EXT_gpu_shader4, GL_EXT_memory_object, GL_EXT_memory_object_fd, 
    GL_MESA_texture_signed_rgba, GL_MESA_window_pos, GL_NVX_gpu_memory_info, 
    GL_EXT_memory_object, GL_EXT_memory_object_fd, GL_EXT_multi_draw_arrays, 

显存大小

4GB 显存

Video memory: 4096MB