diff --git a/examples/wifi/iperf/components/iperf.h b/examples/wifi/iperf/components/iperf.h
index 1f5a4ac8c..5d19e1d6d 100644
--- a/examples/wifi/iperf/components/iperf.h
+++ b/examples/wifi/iperf/components/iperf.h
@@ -34,7 +34,7 @@ extern "C" {
 #define IPERF_UDP_TX_LEN     (1472)
 #define IPERF_UDP_RX_LEN     (32<<10)
 #define IPERF_TCP_TX_LEN     (32<<10)
-#define IPERF_TCP_RX_LEN     (64<<10)
+#define IPERF_TCP_RX_LEN     (32<<10)
 
 #define IPERF_MAX_DELAY      64
 
diff --git a/examples/wifi/iperf/sdkconfig.defaults b/examples/wifi/iperf/sdkconfig.defaults
index f62698f60..2ec55c5ee 100644
--- a/examples/wifi/iperf/sdkconfig.defaults
+++ b/examples/wifi/iperf/sdkconfig.defaults
@@ -5,8 +5,10 @@ CONFIG_MEMMAP_SMP=y
 CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=16
 CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=64
 CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=64
-CONFIG_ESP32_WIFI_TX_BA_WIN=16
-CONFIG_ESP32_WIFI_RX_BA_WIN=16
+CONFIG_ESP32_WIFI_AMPDU_TX_ENABLED=y
+CONFIG_ESP32_WIFI_TX_BA_WIN=12
+CONFIG_ESP32_WIFI_AMPDU_RX_ENABLED=y
+CONFIG_ESP32_WIFI_RX_BA_WIN=12
 
 CONFIG_FREERTOS_UNICORE=
 CONFIG_FREERTOS_HZ=1000