diff --git a/test/built-ins/Temporal/Duration/compare/argument-cast.js b/test/built-ins/Temporal/Duration/compare/argument-cast.js
new file mode 100644
index 0000000000..5d2262bf0e
--- /dev/null
+++ b/test/built-ins/Temporal/Duration/compare/argument-cast.js
@@ -0,0 +1,26 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.duration.compare
+description: Strings and objects are supported arguments.
+features: [Temporal]
+---*/
+
+assert.sameValue(Temporal.Duration.compare("PT12H", new Temporal.Duration()), 1,
+  "first argument string");
+assert.sameValue(Temporal.Duration.compare({ hours: 12 }, new Temporal.Duration()), 1,
+  "first argument object");
+assert.throws(TypeError, () => Temporal.Duration.compare({ hour: 12 }, new Temporal.Duration()),
+  "first argument missing property");
+
+assert.sameValue(Temporal.Duration.compare(new Temporal.Duration(), "PT12H"), -1,
+  "second argument string");
+assert.sameValue(Temporal.Duration.compare(new Temporal.Duration(), { hours: 12 }), -1,
+  "second argument object");
+assert.throws(TypeError, () => Temporal.Duration.compare(new Temporal.Duration(), { hour: 12 }),
+  "second argument missing property");
+
+assert.sameValue(Temporal.Duration.compare({ hours: 12, minute: 5 }, { hours: 12, day: 5 }), 0,
+  "ignores incorrect properties");
+
diff --git a/test/built-ins/Temporal/Duration/compare/basic.js b/test/built-ins/Temporal/Duration/compare/basic.js
new file mode 100644
index 0000000000..bcc7fadfdd
--- /dev/null
+++ b/test/built-ins/Temporal/Duration/compare/basic.js
@@ -0,0 +1,53 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.duration.compare
+description: Basic comparisons.
+features: [Temporal]
+---*/
+
+const td1pos = new Temporal.Duration(0, 0, 0, 0, 5, 5, 5, 5, 5, 5);
+const td2pos = new Temporal.Duration(0, 0, 0, 0, 5, 4, 5, 5, 5, 5);
+const td1neg = new Temporal.Duration(0, 0, 0, 0, -5, -5, -5, -5, -5, -5);
+const td2neg = new Temporal.Duration(0, 0, 0, 0, -5, -4, -5, -5, -5, -5);
+assert.sameValue(Temporal.Duration.compare(td1pos, td1pos), 0,
+  "time units: equal");
+assert.sameValue(Temporal.Duration.compare(td2pos, td1pos), -1,
+  "time units: smaller/larger");
+assert.sameValue(Temporal.Duration.compare(td1pos, td2pos), 1,
+  "time units: larger/smaller");
+assert.sameValue(Temporal.Duration.compare(td1neg, td1neg), 0,
+  "time units: negative/negative equal");
+assert.sameValue(Temporal.Duration.compare(td2neg, td1neg), 1,
+  "time units: negative/negative smaller/larger");
+assert.sameValue(Temporal.Duration.compare(td1neg, td2neg), -1,
+  "time units: negative/negative larger/smaller");
+assert.sameValue(Temporal.Duration.compare(td1neg, td2pos), -1,
+  "time units: negative/positive");
+assert.sameValue(Temporal.Duration.compare(td1pos, td2neg), 1,
+  "time units: positive/negative");
+
+const dd1pos = new Temporal.Duration(5, 5, 5, 5, 5, 5, 5, 5, 5, 5);
+const dd2pos = new Temporal.Duration(5, 5, 5, 5, 5, 4, 5, 5, 5, 5);
+const dd1neg = new Temporal.Duration(-5, -5, -5, -5, -5, -5, -5, -5, -5, -5);
+const dd2neg = new Temporal.Duration(-5, -5, -5, -5, -5, -4, -5, -5, -5, -5);
+const relativeTo = Temporal.PlainDate.from("2017-01-01");
+assert.throws(RangeError, () => Temporal.Duration.compare(dd1pos, dd2pos),
+  "date units: relativeTo is required");
+assert.sameValue(Temporal.Duration.compare(dd1pos, dd1pos, { relativeTo }), 0,
+  "date units: equal");
+assert.sameValue(Temporal.Duration.compare(dd2pos, dd1pos, { relativeTo }), -1,
+  "date units: smaller/larger");
+assert.sameValue(Temporal.Duration.compare(dd1pos, dd2pos, { relativeTo }), 1,
+  "date units: larger/smaller");
+assert.sameValue(Temporal.Duration.compare(dd1neg, dd1neg, { relativeTo }), 0,
+  "date units: negative/negative equal");
+assert.sameValue(Temporal.Duration.compare(dd2neg, dd1neg, { relativeTo }), 1,
+  "date units: negative/negative smaller/larger");
+assert.sameValue(Temporal.Duration.compare(dd1neg, dd2neg, { relativeTo }), -1,
+  "date units: negative/negative larger/smaller");
+assert.sameValue(Temporal.Duration.compare(dd1neg, dd2pos, { relativeTo }), -1,
+  "date units: negative/positive");
+assert.sameValue(Temporal.Duration.compare(dd1pos, dd2neg, { relativeTo }), 1,
+  "date units: positive/negative");
diff --git a/test/built-ins/Temporal/Duration/compare/relativeto-hour.js b/test/built-ins/Temporal/Duration/compare/relativeto-hour.js
new file mode 100644
index 0000000000..149885e1db
--- /dev/null
+++ b/test/built-ins/Temporal/Duration/compare/relativeto-hour.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.duration.compare
+description: relativeTo with hours.
+features: [Temporal]
+---*/
+
+const oneDay = new Temporal.Duration(0, 0, 0, 1);
+const hours24 = new Temporal.Duration(0, 0, 0, 0, 24);
+assert.sameValue(Temporal.Duration.compare(oneDay, hours24),
+  0,
+  "relativeTo not required for days");
+assert.sameValue(
+  Temporal.Duration.compare(oneDay, hours24, { relativeTo: Temporal.PlainDate.from("2017-01-01") }),
+  0,
+  "relativeTo does not affect days if PlainDate");
+assert.sameValue(Temporal.Duration.compare(oneDay, hours24, { relativeTo: "2019-11-03" }),
+  0,
+  "casts relativeTo to PlainDate from string");
+assert.sameValue(Temporal.Duration.compare(oneDay, hours24, { relativeTo: { year: 2019, month: 11, day: 3 } }),
+  0,
+  "casts relativeTo to PlainDate from object");
diff --git a/test/built-ins/Temporal/Duration/compare/relativeto-month.js b/test/built-ins/Temporal/Duration/compare/relativeto-month.js
new file mode 100644
index 0000000000..cb0df5606d
--- /dev/null
+++ b/test/built-ins/Temporal/Duration/compare/relativeto-month.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.duration.compare
+description: relativeTo with months.
+features: [Temporal]
+---*/
+
+const oneMonth = new Temporal.Duration(0, 1);
+const days30 = new Temporal.Duration(0, 0, 0, 30);
+assert.sameValue(
+  Temporal.Duration.compare(oneMonth, days30, { relativeTo: Temporal.PlainDate.from("2018-04-01") }), 0);
+assert.sameValue(
+  Temporal.Duration.compare(oneMonth, days30, { relativeTo: Temporal.PlainDate.from("2018-03-01") }), 1);
+assert.sameValue(
+  Temporal.Duration.compare(oneMonth, days30, { relativeTo: Temporal.PlainDate.from("2018-02-01") }), -1);
diff --git a/test/built-ins/Temporal/Duration/compare/relativeto-propertybag-invalid.js b/test/built-ins/Temporal/Duration/compare/relativeto-propertybag-invalid.js
new file mode 100644
index 0000000000..0e940ade56
--- /dev/null
+++ b/test/built-ins/Temporal/Duration/compare/relativeto-propertybag-invalid.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2021 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.duration.compare
+description: Throws if a value in the relativeTo property bag is missing.
+features: [Temporal]
+---*/
+
+const oneDay = new Temporal.Duration(0, 0, 0, 1);
+const hours24 = new Temporal.Duration(0, 0, 0, 0, 24);
+assert.throws(TypeError, () => Temporal.Duration.compare(oneDay, hours24, { relativeTo: { month: 11, day: 3 } }), "missing year");
+assert.throws(TypeError, () => Temporal.Duration.compare(oneDay, hours24, { relativeTo: { year: 2019, month: 11 } }), "missing day");
+assert.throws(TypeError, () => Temporal.Duration.compare(oneDay, hours24, { relativeTo: { year: 2019, day: 3 } }), "missing month");
diff --git a/test/built-ins/Temporal/Duration/compare/relativeto-year.js b/test/built-ins/Temporal/Duration/compare/relativeto-year.js
new file mode 100644
index 0000000000..7700d0f3db
--- /dev/null
+++ b/test/built-ins/Temporal/Duration/compare/relativeto-year.js
@@ -0,0 +1,15 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.duration.compare
+description: relativeTo with years.
+features: [Temporal]
+---*/
+
+const oneYear = new Temporal.Duration(1);
+const days365 = new Temporal.Duration(0, 0, 0, 365);
+assert.sameValue(
+  Temporal.Duration.compare(oneYear, days365, { relativeTo: Temporal.PlainDate.from("2017-01-01") }), 0);
+assert.sameValue(
+  Temporal.Duration.compare(oneYear, days365, { relativeTo: Temporal.PlainDate.from("2016-01-01") }), 1);
diff --git a/test/intl402/Temporal/Duration/compare/relativeto-hour.js b/test/intl402/Temporal/Duration/compare/relativeto-hour.js
new file mode 100644
index 0000000000..318c0ba4ac
--- /dev/null
+++ b/test/intl402/Temporal/Duration/compare/relativeto-hour.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.duration.compare
+description: relativeTo with hours.
+features: [Temporal]
+---*/
+
+const oneDay = new Temporal.Duration(0, 0, 0, 1);
+const hours24 = new Temporal.Duration(0, 0, 0, 0, 24);
+
+assert.sameValue(
+  Temporal.Duration.compare(oneDay, hours24, { relativeTo: Temporal.ZonedDateTime.from('2017-01-01T00:00[America/Montevideo]') }),
+  0,
+  'relativeTo does not affect days if ZonedDateTime, and duration encompasses no DST change');
+assert.sameValue(
+  Temporal.Duration.compare(oneDay, hours24, { relativeTo: Temporal.ZonedDateTime.from('2019-11-03T00:00[America/Vancouver]') }),
+  1,
+  'relativeTo does affect days if ZonedDateTime, and duration encompasses DST change');
+assert.sameValue(
+  Temporal.Duration.compare(oneDay, hours24, { relativeTo: '2019-11-03T00:00[America/Vancouver]' }),
+  1,
+  'casts relativeTo to ZonedDateTime from string');
+assert.sameValue(
+  Temporal.Duration.compare(oneDay, hours24, {
+    relativeTo: { year: 2019, month: 11, day: 3, timeZone: 'America/Vancouver' }
+  }),
+  1,
+  'casts relativeTo to ZonedDateTime from object');
+