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 (130a, 130b) of elongated shape, wherein at least one light emitting diode (140a,140b) 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 (130a, 130b) of elongated shape, wherein at least one light emitting diode (140a,140b) 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.