Texas is about 174 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Texas is approximately 678,052 sq km, making Texas 17,273% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Texas uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Texas vs. South Georgia and South Sandwich Islands