South Georgia and South Sandwich Islands is about 122 times smaller than Cameroon.

Cameroon is approximately 475,440 sq km, while South Georgia and South Sandwich Islands is approximately 3,903 sq km, making South Georgia and South Sandwich Islands 0.82% the size of Cameroon.
Tip: This to-scale comparison of Cameroon vs. South Georgia and South Sandwich Islands uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: South Georgia and South Sandwich Islands vs. Cameroon