Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_26860595_2 (texture___gt__s_ VARCHAR, tdp__watts__gpu_only VARCHAR)

### Question ###
How many texture (gt/s) the card has if the tdp (watts) GPU only is 18?

### Accurate SQL ###

SELECT COUNT(texture___gt__s_) FROM table_26860595_2 WHERE tdp__watts__gpu_only = "18"