Nvidia has lacked a credible mid-range graphic card for too long, with ATI’s 4000- and 5000-series cards taking all the plaudits for the past two years. The GTX 460 marked Nvidia’s return to serious competition with arch-rival ATI. Gigabyte’s GV-N450-1GI is based around Nvidia’s new GeForce GTS 450 chipset.
The key change is a significant reduction in the number of processing cores: the GTX 460 has 336, while the GTS 450 has 192. This fall in parallel processing power is partly offset by a higher GPU clock speed of 810MHz, up from the GTX 460’s 675MHz. The card has a 128-bit bus, which is half that of the 1GB GTX 460. This reduces the card’s ability to move data between the memory and the GPU.What’s more, its 1GB of RAMr uns at 902MHz, which is much slower than the HD 5770’s 1.2GHz memory. So although both cards have 128-bit memory buses, the GTS 450’s bandwidth is 57.7GB/s, while the HD 5770’s is 76.8GB/s.
Leave a comment