diff --git a/bench/tx.js b/bench/tx.js
index 9774242e..a9f25ab6 100644
--- a/bench/tx.js
+++ b/bench/tx.js
@@ -17,96 +17,96 @@ const tx10 = common.readTX('tx10');
   const raw = tx5.getRaw();
   const end = bench('parse');
 
-  for (let i = 0; i < 1000; i++)
+  for (let i = 0; i < 10000; i++)
     TX.fromRaw(raw);
 
-  end(1000);
+  end(10000);
 }
 
 {
   const [tx] = tx5.getTX();
   const end = bench('serialize');
 
-  for (let i = 0; i < 1000; i++) {
+  for (let i = 0; i < 10000; i++) {
     tx._raw = null;
     tx.toRaw();
   }
 
-  end(1000);
+  end(10000);
 }
 
 {
   const [tx] = tx3.getTX();
   const end = bench('hash');
 
-  for (let i = 0; i < 3000; i++) {
+  for (let i = 0; i < 30000; i++) {
     tx.hash();
     tx._hash = null;
   }
 
-  end(3000);
+  end(30000);
 }
 
 {
   const [tx] = tx5.getTX();
   const end = bench('witness hash');
 
-  for (let i = 0; i < 3000; i++) {
+  for (let i = 0; i < 30000; i++) {
     tx.witnessHash();
     tx._whash = null;
   }
 
-  end(3000);
+  end(30000);
 }
 
 {
   const [tx] = tx5.getTX();
   const end = bench('sanity');
 
-  for (let i = 0; i < 1000; i++)
+  for (let i = 0; i < 10000; i++)
     tx.isSane();
 
-  end(1000);
+  end(10000);
 }
 
 {
   const [tx] = tx5.getTX();
   const end = bench('input hashes');
 
-  for (let i = 0; i < 1000; i++)
+  for (let i = 0; i < 10000; i++)
     tx.getInputHashes(null, 'hex');
 
-  end(1000);
+  end(10000);
 }
 
 {
   const [tx] = tx5.getTX();
   const end = bench('output hashes');
 
-  for (let i = 0; i < 1000; i++)
+  for (let i = 0; i < 10000; i++)
     tx.getOutputHashes('hex');
 
-  end(1000);
+  end(10000);
 }
 
 {
   const [tx] = tx5.getTX();
   const end = bench('all hashes');
 
-  for (let i = 0; i < 1000; i++)
+  for (let i = 0; i < 10000; i++)
     tx.getHashes(null, 'hex');
 
-  end(1000);
+  end(10000);
 }
 
 {
   const [tx, view] = tx3.getTX();
   const end = bench('verify');
 
-  for (let i = 0; i < 3000; i++)
+  for (let i = 0; i < 30000; i++)
     tx.verify(view, Script.flags.VERIFY_P2SH);
 
-  end(3000 * tx.inputs.length);
+  end(30000 * tx.inputs.length);
 }
 
 {
@@ -114,20 +114,20 @@ const tx10 = common.readTX('tx10');
   const {script} = view.getOutputFor(tx.inputs[0]);
   const end = bench('sighash');
 
-  for (let i = 0; i < 100000; i++)
+  for (let i = 0; i < 1000000; i++)
     tx.signatureHashV0(0, script, Script.hashType.ALL);
 
-  end(100000);
+  end(1000000);
 }
 
 {
   const [tx, view] = tx3.getTX();
   const end = bench('fee');
 
-  for (let i = 0; i < 1000; i++)
+  for (let i = 0; i < 10000; i++)
     tx.getFee(view);
 
-  end(1000);
+  end(10000);
 }
 
 {
@@ -135,10 +135,10 @@ const tx10 = common.readTX('tx10');
   const flags = Script.flags.VERIFY_P2SH | Script.flags.VERIFY_DERSIG;
   const end = bench('verify multisig');
 
-  for (let i = 0; i < 3000; i++)
+  for (let i = 0; i < 30000; i++)
     tx.verify(view, flags);
 
-  end(3000 * tx.inputs.length);
+  end(30000 * tx.inputs.length);
 }
 
 const mtx = new MTX();
@@ -165,26 +165,26 @@ const tx2 = mtx.toTX();
 {
   const end = bench('input hashes');
 
-  for (let i = 0; i < 1000; i++)
+  for (let i = 0; i < 10000; i++)
     tx2.getInputHashes(null, 'hex');
 
-  end(1000);
+  end(10000);
 }
 
 {
   const end = bench('output hashes');
 
-  for (let i = 0; i < 1000; i++)
+  for (let i = 0; i < 10000; i++)
     tx2.getOutputHashes('hex');
 
-  end(1000);
+  end(10000);
 }
 
 {
   const end = bench('all hashes');
 
-  for (let i = 0; i < 1000; i++)
+  for (let i = 0; i < 10000; i++)
     tx2.getHashes(null, 'hex');
 
-  end(1000);
+  end(10000);
 }