diff --git a/examples/wifi/iperf/sdkconfig.defaults.esp32c5 b/examples/wifi/iperf/sdkconfig.defaults.esp32c5
index 5f5ad472d8..7c3a67ad31 100644
--- a/examples/wifi/iperf/sdkconfig.defaults.esp32c5
+++ b/examples/wifi/iperf/sdkconfig.defaults.esp32c5
@@ -30,7 +30,7 @@ CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
 #
 CONFIG_ESP_WIFI_ENABLE_WIFI_TX_STATS=y
 CONFIG_ESP_WIFI_ENABLE_WIFI_RX_STATS=y
-CONFIG_ESP_WIFI_ENABLE_WIFI_RX_MU_STATS=y
+CONFIG_ESP_WIFI_ENABLE_WIFI_RX_MU_STATS=n
 CONFIG_ESP_WIFI_ENABLE_DUMP_HESIGB=n
 CONFIG_ESP_WIFI_ENABLE_DUMP_MU_CFO=n
 CONFIG_ESP_WIFI_ENABLE_DUMP_CTRL_NDPA=n
@@ -40,3 +40,5 @@ CONFIG_LWIP_EXTRA_IRAM_OPTIMIZATION=n
 
 CONFIG_LWIP_TCPIP_CORE_LOCKING=y
 CONFIG_LWIP_TCPIP_CORE_LOCKING_INPUT=y
+
+CONFIG_IPERF_DEF_TCP_TX_BUFFER_LEN=2880
diff --git a/examples/wifi/iperf/sdkconfig.defaults.esp32c61 b/examples/wifi/iperf/sdkconfig.defaults.esp32c61
index 90376cdd15..bfccf0ca7a 100644
--- a/examples/wifi/iperf/sdkconfig.defaults.esp32c61
+++ b/examples/wifi/iperf/sdkconfig.defaults.esp32c61
@@ -3,17 +3,17 @@
 #
 CONFIG_IDF_ENV_FPGA=n
 
-CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=15
-CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=30
-CONFIG_ESP_WIFI_DYNAMIC_TX_BUFFER_NUM=30
+CONFIG_ESP_WIFI_STATIC_RX_BUFFER_NUM=20
+CONFIG_ESP_WIFI_DYNAMIC_RX_BUFFER_NUM=40
+CONFIG_ESP_WIFI_DYNAMIC_TX_BUFFER_NUM=36
 CONFIG_ESP_WIFI_AMPDU_TX_ENABLED=y
-CONFIG_ESP_WIFI_TX_BA_WIN=20
+CONFIG_ESP_WIFI_TX_BA_WIN=32
 CONFIG_ESP_WIFI_AMPDU_RX_ENABLED=y
-CONFIG_ESP_WIFI_RX_BA_WIN=14
+CONFIG_ESP_WIFI_RX_BA_WIN=20
 CONFIG_ESP_WIFI_NVS_ENABLED=n
 
-CONFIG_LWIP_TCP_SND_BUF_DEFAULT=18432
-CONFIG_LWIP_TCP_WND_DEFAULT=18432
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=25920
+CONFIG_LWIP_TCP_WND_DEFAULT=43200
 CONFIG_LWIP_TCP_RECVMBOX_SIZE=48
 CONFIG_LWIP_UDP_RECVMBOX_SIZE=64
 CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=48
@@ -23,14 +23,14 @@ CONFIG_LWIP_IP_REASS_MAX_PBUFS=15
 # Serial flasher config
 #
 CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
-CONFIG_ESPTOOLPY_FLASHFREQ_40M=y
+CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
 
 #
 # Wi-Fi
 #
 CONFIG_ESP_WIFI_ENABLE_WIFI_TX_STATS=y
 CONFIG_ESP_WIFI_ENABLE_WIFI_RX_STATS=y
-CONFIG_ESP_WIFI_ENABLE_WIFI_RX_MU_STATS=y
+CONFIG_ESP_WIFI_ENABLE_WIFI_RX_MU_STATS=n
 CONFIG_ESP_WIFI_ENABLE_DUMP_HESIGB=n
 CONFIG_ESP_WIFI_ENABLE_DUMP_MU_CFO=n
 CONFIG_ESP_WIFI_ENABLE_DUMP_CTRL_NDPA=n
@@ -40,3 +40,5 @@ CONFIG_LWIP_EXTRA_IRAM_OPTIMIZATION=n
 
 CONFIG_LWIP_TCPIP_CORE_LOCKING=y
 CONFIG_LWIP_TCPIP_CORE_LOCKING_INPUT=y
+
+CONFIG_IPERF_DEF_TCP_TX_BUFFER_LEN=2880