A foveated display system (100; 800) comprising: a rendering device (102; 802) comprising at least one graphics processing unit, GPU, to render a foveal region (302; 402; 502) and a first peripheral region (306; 406; 506) of a first image, the foveal region (302; 402; 502) having a higher resolution than the first peripheral region (306; 406; 506); and a display device coupled to the rendering device (102; 802) via at least one physical layer (106; 806), the display device comprising: a pixel array (212, 222; 300; 400; 500); and a display controller (210, 220) coupled to the pixel array (212, 222; 300; 400; 500), the display controller (210, 220) comprising: a scaling component (822-2, 648) to upscale the first peripheral region (306; 406; 506) to generate a scaled first peripheral region (306; 406; 506); and a blending component (820-2, 650) to blend the foveal region (302; 402; 502) with the scaled first peripheral region (306; 406; 506) to generate a second image, wherein the rendering device (102; 802) is to transmit the foveal region (302; 402; 502) and the first peripheral region (306; 406; 506) to the display device in a combined pixel stream via the same physical layer (106; 806), characterized in that: foveal region (302; 402; 502) is composed of a first array of pixels (902; 1002) in a first number of rows (1208, 1216) and a second number of columns; the first peripheral region (306; 406; 506) is composed of a second array of pixels (904; 1003) in a third number of rows and a fourth number of columns; and the rendering device (102; 802) further includes: a pixel stream combination component to combine the foveal region (302; 402; 502) and first peripheral region (306; 406; 506) for transmission as a third array of pixels (901; 1001) having a fifth number of rows and a sixth number of columns, whereby the fifth number of rows is equal to the larger of the first number and the third number and the sixth number is based on the first number, the second number, the third number and the fourth number, such that the sixth number is less than the sum of the second number and the fourth number. a rendering device (102; 802) comprising at least one graphics processing unit, GPU, to render a foveal region (302; 402; 502) and a first peripheral region (306; 406; 506) of a first image, the foveal region (302; 402; 502) having a higher resolution than the first peripheral region (306; 406; 506); and a display device coupled to the rendering device (102; 802) via at least one physical layer (106; 806), the display device comprising: a pixel array (212, 222; 300; 400; 500); and a display controller (210, 220) coupled to the pixel array (212, 222; 300; 400; 500), the display controller (210, 220) comprising: a scaling component (822-2, 648) to upscale the first peripheral region (306; 406; 506) to generate a scaled first peripheral region (306; 406; 506); and a blending component (820-2, 650) to blend the foveal region (302; 402; 502) with the scaled first peripheral region (306; 406; 506) to generate a second image, wherein the rendering device (102; 802) is to transmit the foveal region (302; 402; 502) and the first peripheral region (306; 406; 506) to the display device in a combined pixel stream via the same physical layer (106; 806), a pixel array (212, 222; 300; 400; 500); and a display controller (210, 220) coupled to the pixel array (212, 222; 300; 400; 500), the display controller (210, 220) comprising: a scaling component (822-2, 648) to upscale the first peripheral region (306; 406; 506) to generate a scaled first peripheral region (306; 406; 506); and a blending component (820-2, 650) to blend the foveal region (302; 402; 502) with the scaled first peripheral region (306; 406; 506) to generate a second image, wherein the rendering device (102; 802) is to transmit the foveal region (302; 402; 502) and the first peripheral region (306; 406; 506) to the display device in a combined pixel stream via the same physical layer (106; 806), a scaling component (822-2, 648) to upscale the first peripheral region (306; 406; 506) to generate a scaled first peripheral region (306; 406; 506); and a blending component (820-2, 650) to blend the foveal region (302; 402; 502) with the scaled first peripheral region (306; 406; 506) to generate a second image, wherein the rendering device (102; 802) is to transmit the foveal region (302; 402; 502) and the first peripheral region (306; 406; 506) to the display device in a combined pixel stream via the same physical layer (106; 806), foveal region (302; 402; 502) is composed of a first array of pixels (902; 1002) in a first number of rows (1208, 1216) and a second number of columns; the first peripheral region (306; 406; 506) is composed of a second array of pixels (904; 1003) in a third number of rows and a fourth number of columns; and the rendering device (102; 802) further includes: a pixel stream combination component to combine the foveal region (302; 402; 502) and first peripheral region (306; 406; 506) for transmission as a third array of pixels (901; 1001) having a fifth number of rows and a sixth number of columns, whereby the fifth number of rows is equal to the larger of the first number and the third number and the sixth number is based on the first number, the second number, the third number and the fourth number, such that the sixth number is less than the sum of the second number and the fourth number.