Is it better to upgrade the processor or video card?

Question

Iron

Hello! In the near future I want to upgrade the processor + motherboard or video card
Configuration:
AMD Athlon II X2 245, 2900 MHz
Gigabyte GA-MA770T-UD3P v1
NVIDIA GeForce 9800 GT (512 MB)
System memory 2048 MB (DDR3-1333 DDR3 SDRAM)
Western Digital WD3200AAKS (320GB, 7200 RPM, SATA-II)
Asus ATX-500H 500W
Upgrade:
Intel Core i5-4460 GIGABYTE
GA-P85-D3
GIGABYTE GeForce GTX 750 Ti

Answer 1

Better motherboard and processor, if the processor is weak, then the new video card will not work at full capacity