diff --git a/examples/wifi/iperf/sdkconfig.defaults b/examples/wifi/iperf/sdkconfig.defaults
index 1f2ed3874d..147d1b6fc4 100644
--- a/examples/wifi/iperf/sdkconfig.defaults
+++ b/examples/wifi/iperf/sdkconfig.defaults
@@ -4,28 +4,11 @@ CONFIG_MEMMAP_SMP=y
 
 CONFIG_ESP_SYSTEM_EVENT_TASK_STACK_SIZE=4096
 
-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_AMPDU_TX_ENABLED=y
-CONFIG_ESP32_WIFI_TX_BA_WIN=32
-CONFIG_ESP32_WIFI_AMPDU_RX_ENABLED=y
-CONFIG_ESP32_WIFI_RX_BA_WIN=32
-
 CONFIG_FREERTOS_UNICORE=n
 CONFIG_FREERTOS_HZ=1000
 
 CONFIG_ESP_INT_WDT=n
 CONFIG_ESP_TASK_WDT=n
 
-CONFIG_LWIP_TCP_SND_BUF_DEFAULT=65534
-CONFIG_LWIP_TCP_WND_DEFAULT=65534
-CONFIG_LWIP_TCP_RECVMBOX_SIZE=64
-CONFIG_LWIP_UDP_RECVMBOX_SIZE=64
-CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=64
 CONFIG_LWIP_ETHARP_TRUST_IP_MAC=n
-
-CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
-CONFIG_ESPTOOLPY_FLASHFREQ_40M=y
 CONFIG_LWIP_IRAM_OPTIMIZATION=y
-
diff --git a/examples/wifi/iperf/sdkconfig.defaults.esp32 b/examples/wifi/iperf/sdkconfig.defaults.esp32
new file mode 100644
index 0000000000..4fad263abd
--- /dev/null
+++ b/examples/wifi/iperf/sdkconfig.defaults.esp32
@@ -0,0 +1,20 @@
+#
+# ESP32-specific
+#
+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_AMPDU_TX_ENABLED=y
+CONFIG_ESP32_WIFI_TX_BA_WIN=32
+CONFIG_ESP32_WIFI_AMPDU_RX_ENABLED=y
+CONFIG_ESP32_WIFI_RX_BA_WIN=32
+
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=65534
+CONFIG_LWIP_TCP_WND_DEFAULT=65534
+CONFIG_LWIP_TCP_RECVMBOX_SIZE=64
+CONFIG_LWIP_UDP_RECVMBOX_SIZE=64
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=64
+
+CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
+CONFIG_ESPTOOLPY_FLASHFREQ_40M=y
+
diff --git a/examples/wifi/iperf/sdkconfig.defaults.esp32s2 b/examples/wifi/iperf/sdkconfig.defaults.esp32s2
new file mode 100644
index 0000000000..682ef13e59
--- /dev/null
+++ b/examples/wifi/iperf/sdkconfig.defaults.esp32s2
@@ -0,0 +1,24 @@
+#
+# ESP32S2-specific
+#
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=15
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=30
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=30
+CONFIG_ESP32_WIFI_AMPDU_TX_ENABLED=y
+CONFIG_ESP32_WIFI_TX_BA_WIN=16
+CONFIG_ESP32_WIFI_AMPDU_RX_ENABLED=y
+CONFIG_ESP32_WIFI_RX_BA_WIN=16
+
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=28671
+CONFIG_LWIP_TCP_WND_DEFAULT=28671
+CONFIG_LWIP_TCP_RECVMBOX_SIZE=64
+CONFIG_LWIP_UDP_RECVMBOX_SIZE=64
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=64
+
+CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
+CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
+
+CONFIG_ESP32S2_INSTRUCTION_CACHE_16KB=y
+CONFIG_ESP32S2_INSTRUCTION_CACHE_LINE_16B=y
+CONFIG_ESP32S2_INSTRUCTION_CACHE_WRAP=y
+