Is the word geladeira the same in Brazilian and European Portuguese?

No

The difference is one of vocabulary and usage. In Brazil, geladeira is the standard and universal word for the kitchen appliance used to keep food cold. In Portugal, while a Portuguese person would understand the word due to the influence of Brazilian media, it is not the native or standard term. Instead, they use the word frigorífico.

Brazilian Portuguese Examples

1. A geladeira está fazendo um barulho estranho. (The fridge is making a strange noise.)
2. Preciso colocar o leite na geladeira. (I need to put the milk in the fridge.)
3. A geladeira nova é muito econômica. (The new refrigerator is very energy-efficient.)
4. Tem muita comida na geladeira. (There is a lot of food in the fridge.)
5. Você pode limpar a geladeira hoje? (Can you clean the fridge today?)

Continental Portuguese Examples

1. O frigorífico está a fazer um barulho estranho. (The fridge is making a strange noise.)
2. Preciso de pôr o leite no frigorífico. (I need to put the milk in the fridge.)
3. O frigorífico novo é muito económico. (The new fridge is very economical.)
4. Há muita comida no frigorífico. (There is a lot of food in the fridge.)
5. Podes limpar o frigorífico hoje? (Can you clean the fridge today?)