The GeForce GTX 970 Gaming graphics card has 4GB of GDDR5 vRAM coupled to 1664 CUDA GPU cores. The cores are arranged using NVIDIA's Maxwell architecture for efficient operation. 4GB of GDDR5 vRAM. Boasting 4GB of vRAM and an 1178 MHz base clock speed boostable up to 1329 MHz, Gigabyte's GeForce GTX 970 Gaming Graphics Card can output 4K (4096 x 2160) resolution video.