diff --git a/EvenPerfectBitScanner.Benchmarks/PrimeTesterBenchmarks.cs b/EvenPerfectBitScanner.Benchmarks/PrimeTesterBenchmarks.cs
index 3a54d2a..f63e315 100644
--- a/EvenPerfectBitScanner.Benchmarks/PrimeTesterBenchmarks.cs
+++ b/EvenPerfectBitScanner.Benchmarks/PrimeTesterBenchmarks.cs
@@ -12,6 +12,7 @@ namespace EvenPerfectBitScanner.Benchmarks;
 [MemoryDiagnoser]
 public class PrimeTesterBenchmarks
 {
+    private static readonly HeuristicCombinedPrimeTester _heuristicCombinedTester = new();
     private static readonly HeuristicPrimeTester _heuristicTester = new();
     private ulong[] _candidates = [];
 
@@ -71,6 +72,42 @@ public class PrimeTesterBenchmarks
         return primeCount;
     }
 
+    [Benchmark]
+    public int HeuristicCombinedGpu()
+    {
+        HeuristicCombinedPrimeTester tester = _heuristicCombinedTester;
+        ulong[] values = _candidates;
+        int primeCount = 0;
+
+        for (int i = 0; i < values.Length; i++)
+        {
+            if (HeuristicCombinedPrimeTester.IsPrimeGpu(values[i]))
+            {
+                primeCount++;
+            }
+        }
+
+        return primeCount;
+    }
+
+    [Benchmark]
+    public int HeuristicCombinedCpu()
+    {
+        HeuristicCombinedPrimeTester tester = _heuristicCombinedTester;
+        ulong[] values = _candidates;
+        int primeCount = 0;
+
+        for (int i = 0; i < values.Length; i++)
+        {
+            if (HeuristicCombinedPrimeTester.IsPrimeCpu(values[i]))
+            {
+                primeCount++;
+            }
+        }
+
+        return primeCount;
+    }
+
 	private static readonly PrimeTester _nonHeuristicTester = new();
 
     [Benchmark]