A light emitting diode, LED, filament lamp , comprising at least one light emitting diode light source , comprising at least one first filament , arranged to emit light having a first color temperature, CT 1 , at least one second filament , arranged to emit light having a second color temperature, CT 2 , different from the first color temperature, wherein each of the at least one first filament and the at least one second filament comprises a substrate of elongated shape, wherein at least one light emitting diode is arranged on the substrate, a control unit configured to control a first intensity, L 1 , of the light emitted from the at least one first filament and to control a second intensity, L 2 , of the light emitted from the at least one second filament according to at least one predetermined setting, in order to control the total color temperature, CT tot , of the light emitted from the LED filament lamp as a function of the at least one predetermined setting, characterised by said control unit being configured to control a switching of the at least one second filament as a function of the intensity of the light emitted from the at least one first filament, that is the control unit increases the first intensity L 1 to a predetermined threshold, and subsequently, switches on the at least one second filament and increases the second intensity L 2 , said threshold is between an intensity of 30% and 70% of its maximum intensity, and said control unit being configured to decrease the second intensity L 2 of the light emitted from the at least one second filament, and switch off the at least one second filament when the first intensity L 1 of light emitted from the at least one first filament is at, or above, the predetermined threshold. at least one light emitting diode light source , comprising at least one first filament , arranged to emit light having a first color temperature, CT 1 , at least one second filament , arranged to emit light having a second color temperature, CT 2 , different from the first color temperature, wherein each of the at least one first filament and the at least one second filament comprises a substrate of elongated shape, wherein at least one light emitting diode is arranged on the substrate, a control unit configured to control a first intensity, L 1 , of the light emitted from the at least one first filament and to control a second intensity, L 2 , of the light emitted from the at least one second filament according to at least one predetermined setting, in order to control the total color temperature, CT tot , of the light emitted from the LED filament lamp as a function of the at least one predetermined setting, characterised by said control unit being configured to control a switching of the at least one second filament as a function of the intensity of the light emitted from the at least one first filament, that is the control unit increases the first intensity L 1 to a predetermined threshold, and subsequently, switches on the at least one second filament and increases the second intensity L 2 , said threshold is between an intensity of 30% and 70% of its maximum intensity, and said control unit being configured to decrease the second intensity L 2 of the light emitted from the at least one second filament, and switch off the at least one second filament when the first intensity L 1 of light emitted from the at least one first filament is at, or above, the predetermined threshold. <EOS>