diff --git a/gui/about.cpp b/gui/about.cpp
index 0af3e31c4a3..cca761ba543 100644
--- a/gui/about.cpp
+++ b/gui/about.cpp
@@ -115,6 +115,42 @@ AboutDialog::AboutDialog()
 
 	_lines.push_back(Common::U32String());
 
+	Common::U32String extensionSupportString[3] = { _("not supported"), _("disabled"), _("enabled") };
+
+	byte sse2Support = 0;
+	byte avx2Support = 0;
+	byte neonSupport = 0;
+
+#ifdef SCUMMVM_SSE2
+	++sse2Support;
+	if (g_system->hasFeature(OSystem::kFeatureCpuSSE2))
+		++sse2Support;
+#endif
+#ifdef SCUMMVM_AVX2
+	++avx2Support;
+	if (g_system->hasFeature(OSystem::kFeatureCpuAVX2))
+		++avx2Support;
+#endif
+#ifdef SCUMMVM_NEON
+	++neonSupport;
+	if (g_system->hasFeature(OSystem::kFeatureCpuNEON))
+		++neonSupport;
+#endif
+
+	Common::U32String extensionsInfo("C1");
+	// I18N: CPU extensions are sets of extra processor instructions used to speed up operations. See Intel AVX2, ARM NEON, etc.
+	extensionsInfo += _("CPU extensions support:");
+	addLine(extensionsInfo);
+	Common::U32String compiledExtensionsList("C0");
+	compiledExtensionsList += Common::U32String::format("SSE2(%S) AVX2(%S) NEON(%S)",
+		extensionSupportString[sse2Support].c_str(),
+		extensionSupportString[avx2Support].c_str(),
+		extensionSupportString[neonSupport].c_str());
+
+	addLine(compiledExtensionsList);
+
+	_lines.push_back(Common::U32String());
+
 	Common::U32String engines("C1");
 	engines += _("Available engines:");
 	addLine(engines);