MySQL Test Optimization "WHERE (X = 0 or X = 1)" versus "WHERE X <2"

Is there a performance advantage for deleting OR statements?

Which compiles faster

SELECT id FROM mytable where (x=0 or x=1) 

or

SELECT id FROM mytable where x<2

I did the test myself, and the second is a little faster. BUT I am not sure if this is due to caching that occurs when I run the first command. Is there a good way to evaluate two competing requests without caching them and affecting others?

EXPLAIN produces the same output:

+----+-------------+---------+------+---------------+------+---------+------+---------+-------------+
| id | select_type | table   | type | possible_keys | key  | key_len | ref  | rows    | Extra       |
+----+-------------+---------+------+---------------+------+---------+------+---------+-------------+
|  1 | SIMPLE      | mytable | ALL  | NULL          | NULL | NULL    | NULL | 1407715 | Using where |
+----+-------------+---------+------+---------------+------+---------+------+---------+-------------+