diff --git a/src/bench/rpc_mempool.cpp b/src/bench/rpc_mempool.cpp
--- a/src/bench/rpc_mempool.cpp
+++ b/src/bench/rpc_mempool.cpp
@@ -25,13 +25,18 @@
     CTxMemPool pool;
     LOCK2(cs_main, pool.cs);
 
-    for (int i = 0; i < 1000; ++i) {
+    for (int i = 0; i < 10000; i++) {
         CMutableTransaction tx = CMutableTransaction();
-        tx.vin.resize(1);
-        tx.vin[0].scriptSig = CScript() << OP_1;
-        tx.vout.resize(1);
-        tx.vout[0].scriptPubKey = CScript() << OP_1 << OP_EQUAL;
-        tx.vout[0].nValue = i * COIN;
+        tx.vin.resize(100);
+        for (int j = 0; j < 100; j++) {
+            tx.vin[j].scriptSig = CScript() << OP_1;
+        }
+
+        tx.vout.resize(100);
+        for (int j = 0; j < 100; j++) {
+            tx.vout[j].scriptPubKey = CScript() << OP_1 << OP_EQUAL;
+            tx.vout[j].nValue = i * COIN;
+        }
         const CTransactionRef tx_r{MakeTransactionRef(tx)};
         AddTx(tx_r, /* fee */ i * COIN, pool);
     }
@@ -41,4 +46,4 @@
     }
 }
 
-BENCHMARK(RpcMempool, 40);
+BENCHMARK(RpcMempool, 3);