diff --git a/src/Symfony/Component/CssSelector/Node/Specificity.php b/src/Symfony/Component/CssSelector/Node/Specificity.php
index 96bbd11f51..16cf9ad3d0 100644
--- a/src/Symfony/Component/CssSelector/Node/Specificity.php
+++ b/src/Symfony/Component/CssSelector/Node/Specificity.php
@@ -75,4 +75,28 @@ class Specificity
     {
         return $this->a * self::A_FACTOR + $this->b * self::B_FACTOR + $this->c * self::C_FACTOR;
     }
+
+    /**
+     * Returns -1 if the object specificity is lower than the argument,
+     * 0 if they are equal, and 1 if the argument is lower
+     *
+     * @param Specificity $specificity
+     * @return int
+     */
+    public function compare(Specificity $specificity)
+    {
+        if ($this->a !== $specificity->a) {
+            return $this->a > $specificity->a ? 1 : -1;
+        }
+        
+        if ($this->b !== $specificity->b) {
+            return $this->b > $specificity->b ? 1 : -1;
+        }
+        
+        if ($this->c !== $specificity->c) {
+            return $this->c > $specificity->c ? 1 : -1;
+        }
+
+        return 0;
+    }
 }
diff --git a/src/Symfony/Component/CssSelector/Tests/Node/SpecificityTest.php b/src/Symfony/Component/CssSelector/Tests/Node/SpecificityTest.php
index 1f200cffe4..24b32ce4ac 100644
--- a/src/Symfony/Component/CssSelector/Tests/Node/SpecificityTest.php
+++ b/src/Symfony/Component/CssSelector/Tests/Node/SpecificityTest.php
@@ -37,4 +37,26 @@ class SpecificityTest extends \PHPUnit_Framework_TestCase
             array(new Specificity(4, 3, 2), 432),
         );
     }
+
+    /** @dataProvider getCompareTestData */
+    public function testCompare(Specificity $a, Specificity $b, $result)
+    {
+        $this->assertEquals($result, $a->compare($b));
+    }
+
+    public function getCompareTestData()
+    {
+        return array(
+            array(new Specificity(0, 0, 0), new Specificity(0, 0, 0), 0),
+            array(new Specificity(0, 0, 1), new Specificity(0, 0, 1), 0),
+            array(new Specificity(0, 0, 2), new Specificity(0, 0, 1), 1),
+            array(new Specificity(0, 0, 2), new Specificity(0, 0, 3), -1),
+            array(new Specificity(0, 4, 0), new Specificity(0, 4, 0), 0),
+            array(new Specificity(0, 6, 0), new Specificity(0, 5, 11), 1),
+            array(new Specificity(0, 7, 0), new Specificity(0, 8, 0), -1),
+            array(new Specificity(9, 0, 0), new Specificity(9, 0, 0), 0),
+            array(new Specificity(11, 0, 0), new Specificity(10, 11, 0), 1),
+            array(new Specificity(12, 11, 0), new Specificity(13, 0, 0), -1),
+        );
+    }
 }