sudo lshw -C video
*-display
description: VGA compatible controller
product: Mullins [Radeon R4/R5 Graphics]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 1
bus info: pci@0000:00:01.0
version: 45
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:35 memory:e0000000-efffffff memory:f0000000-f07fffff ioport:5000(size=256) memory:f0e00000-f0e3ffff memory:f0e80000-f0e9ffff
*-display
description: Display controller
product: Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
version: 83
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi cap_list rom
configuration: driver=radeon latency=0
resources: irq:37 memory:d0000000-dfffffff memory:f0d00000-f0d3ffff ioport:4000(size=256) memory:f0d40000-f0d5ffff
marco@marco-HP-Notebook:~$