diff --git a/py/obj.c b/py/obj.c
index 0dab5f2ac..90ce47e8f 100644
--- a/py/obj.c
+++ b/py/obj.c
@@ -264,20 +264,33 @@ bool mp_obj_get_int_maybe(mp_const_obj_t arg, mp_int_t *value) {
 }
 
 #if MICROPY_PY_BUILTINS_FLOAT
-mp_float_t mp_obj_get_float(mp_obj_t arg) {
+bool mp_obj_get_float_maybe(mp_obj_t arg, mp_float_t *value) {
+    mp_float_t val;
+
     if (arg == mp_const_false) {
-        return 0;
+        val = 0;
     } else if (arg == mp_const_true) {
-        return 1;
+        val = 1;
     } else if (MP_OBJ_IS_SMALL_INT(arg)) {
-        return MP_OBJ_SMALL_INT_VALUE(arg);
+        val = MP_OBJ_SMALL_INT_VALUE(arg);
     #if MICROPY_LONGINT_IMPL != MICROPY_LONGINT_IMPL_NONE
     } else if (MP_OBJ_IS_TYPE(arg, &mp_type_int)) {
-        return mp_obj_int_as_float_impl(arg);
+        val = mp_obj_int_as_float_impl(arg);
     #endif
     } else if (mp_obj_is_float(arg)) {
-        return mp_obj_float_get(arg);
+        val = mp_obj_float_get(arg);
     } else {
+        return false;
+    }
+
+    *value = val;
+    return true;
+}
+
+mp_float_t mp_obj_get_float(mp_obj_t arg) {
+    mp_float_t val;
+
+    if (!mp_obj_get_float_maybe(arg, &val)) {
         if (MICROPY_ERROR_REPORTING == MICROPY_ERROR_REPORTING_TERSE) {
             mp_raise_TypeError("can't convert to float");
         } else {
@@ -285,6 +298,8 @@ mp_float_t mp_obj_get_float(mp_obj_t arg) {
                 "can't convert %s to float", mp_obj_get_type_str(arg)));
         }
     }
+
+    return val;
 }
 
 #if MICROPY_PY_BUILTINS_COMPLEX
diff --git a/py/obj.h b/py/obj.h
index 323423b3e..70cdd15fa 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -686,6 +686,7 @@ mp_int_t mp_obj_get_int_truncated(mp_const_obj_t arg);
 bool mp_obj_get_int_maybe(mp_const_obj_t arg, mp_int_t *value);
 #if MICROPY_PY_BUILTINS_FLOAT
 mp_float_t mp_obj_get_float(mp_obj_t self_in);
+bool mp_obj_get_float_maybe(mp_obj_t arg, mp_float_t *value);
 void mp_obj_get_complex(mp_obj_t self_in, mp_float_t *real, mp_float_t *imag);
 #endif
 //qstr mp_obj_get_qstr(mp_obj_t arg);
diff --git a/py/objfloat.c b/py/objfloat.c
index b1900b236..fadbbcb79 100644
--- a/py/objfloat.c
+++ b/py/objfloat.c
@@ -240,7 +240,11 @@ STATIC void mp_obj_float_divmod(mp_float_t *x, mp_float_t *y) {
 }
 
 mp_obj_t mp_obj_float_binary_op(mp_binary_op_t op, mp_float_t lhs_val, mp_obj_t rhs_in) {
-    mp_float_t rhs_val = mp_obj_get_float(rhs_in); // can be any type, this function will convert to float (if possible)
+    mp_float_t rhs_val;
+    if (!mp_obj_get_float_maybe(rhs_in, &rhs_val)) {
+        return MP_OBJ_NULL; // op not supported
+    }
+
     switch (op) {
         case MP_BINARY_OP_ADD:
         case MP_BINARY_OP_INPLACE_ADD: lhs_val += rhs_val; break;
diff --git a/tests/float/float_compare.py b/tests/float/float_compare.py
new file mode 100644
index 000000000..105923ac7
--- /dev/null
+++ b/tests/float/float_compare.py
@@ -0,0 +1,22 @@
+# Extended float comparisons
+
+class Foo:
+    pass
+
+foo = Foo()
+
+print(foo == 1.0)
+print(1.0 == foo)
+print(1.0 == Foo)
+print(1.0 == [])
+print(1.0 == {})
+
+try:
+    print(foo < 1.0)
+except TypeError:
+    print("TypeError")
+
+try:
+    print(1.0 < foo)
+except TypeError:
+    print("TypeError")