diff --git a/src/detection/cpu/cpu_nbsd.c b/src/detection/cpu/cpu_nbsd.c
index 0a78ed146..17ce880df 100644
--- a/src/detection/cpu/cpu_nbsd.c
+++ b/src/detection/cpu/cpu_nbsd.c
@@ -1,26 +1,42 @@
 #include "cpu.h"
 #include "common/sysctl.h"
-#include <sys/sysctl.h>
+#include "common/io/io.h"
+
+#include <sys/envsys.h>
+#include <prop/proplib.h>
+#include <paths.h>
+#include <time.h>
+#include <unistd.h>
+#include <fcntl.h>
 
 static const char* detectCpuTemp(double* current)
 {
-    int temp = ffSysctlGetInt("dev.cpu.0.temperature", -999999);
-    if (temp == -999999)
-        return "ffSysctlGetInt(\"dev.cpu.0.temperature\") failed";
+    FF_AUTO_CLOSE_FD int fd = open(_PATH_SYSMON, O_RDONLY);
+    if (fd < 0) return "open(_PATH_SYSMON, O_RDONLY) failed";
 
-    // In tenth of degrees Kelvin
-    *current = (double) temp / 10 - 273.15;
-    return NULL;
-}
+    prop_dictionary_t root = NULL;
+    if (prop_dictionary_recv_ioctl(fd, ENVSYS_GETDICTIONARY, &root) < 0)
+        return "prop_dictionary_recv_ioctl(ENVSYS_GETDICTIONARY) failed";
 
-static const char* detectThermalTemp(double* current)
-{
-    int temp = ffSysctlGetInt("hw.acpi.thermal.tz0.temperature", -999999);
-    if (temp == -999999)
-        return "ffSysctlGetInt(\"hw.acpi.thermal.tz0.temperature\") failed";
+    prop_array_t array = prop_dictionary_get(root, "coretemp0");
+    if (!array) array = prop_dictionary_get(root, "amdzentemp0");
+    if (!array) array = prop_dictionary_get(root, "viac7temp0");
+    if (!array) array = prop_dictionary_get(root, "acpitz0"); // Thermal Zones
+    if (!array) return "No temp data found in root dictionary";
+
+    if (prop_array_count(array) != 2)
+        return "Unexpect `xtemp0` data";
+
+    prop_dictionary_t dict = prop_array_get(array, 0);
+    if (prop_object_type(dict) != PROP_TYPE_DICTIONARY)
+        return "Unexpect `xtemp0[0]`";
+
+    int temp = 0; // in µK
+    if (!prop_dictionary_get_int(dict, "cur-value", &temp))
+        return "Failed to get temperature";
+
+    *current = temp / 1e6 - 273.15;
 
-    // In tenth of degrees Kelvin
-    *current = (double) temp / 10 - 273.15;
     return NULL;
 }
 
@@ -32,26 +48,21 @@ const char* ffDetectCPUImpl(const FFCPUOptions* options, FFCPUResult* cpu)
             return "sysctlbyname(machdep.cpu_brand) failed";
     }
 
+    ffSysctlGetString("machdep.dmi.processor-vendor", &cpu->vendor);
+
     cpu->coresPhysical = (uint16_t) ffSysctlGetInt("hw.ncpu", 1);
     cpu->coresLogical = cpu->coresPhysical;
     cpu->coresOnline = (uint16_t) ffSysctlGetInt("hw.ncpuonline", cpu->coresLogical);
 
     ffCPUDetectSpeedByCpuid(cpu);
 
-    {
-        struct clockinfo info;
-        size_t length = sizeof(info);
-        if (sysctl((int[]) {CTL_KERN, KERN_CLOCKRATE}, 2, &info, &length, NULL, 0) == 0)
-            cpu->frequencyBase = (uint32_t) info.hz / 1000;
-    }
+    uint32_t freq = (uint32_t) ffSysctlGetInt("machdep.cpu.frequency.target", 0);
+    if (freq > cpu->frequencyBase)
+        cpu->frequencyBase = freq;
 
     cpu->temperature = FF_CPU_TEMP_UNSET;
 
-    if (options->temp)
-    {
-        if (detectCpuTemp(&cpu->temperature) != NULL)
-            detectThermalTemp(&cpu->temperature);
-    }
+    if (options->temp) detectCpuTemp(&cpu->temperature);
 
     return NULL;
 }