OVERALL
ALTERNATIVES
SPECS
VS AVERAGE
REVIEWS
Scored using Smartwatches Methodology v2.0
Smartwatches Methodology v2.0
Mathematical & Unbiased Scoring
Products in this category are scored under Frontumo Smartwatches Methodology v2.0: technical specifications plus grades from 3,488 independent expert reviews and 5,192 video reviews, with 0% commercial bias.
Explore Smartwatches Methodology v2.0

Xiaomi Watch S4 41mm Review | 126 Data compared

Avg. price:~£140Screen size:1.32 inchBattery life:8 daysDisplay type:AMOLED

Xiaomi Watch S4 41mm Review: Compare 126 technical specifications and 21 expert and video reviews to see how this product ranks in the Smartwatches category and whether it is worth buying.

8.0

Overall score

Score
8.0/ 10
✕
What it is
An overall evaluation of the smartwatch's quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best smartwatches on the market.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 85% of models
Score components

70%

8.1

Technical score

30%

7.8

Review score ( 9 · 12)

Review score 30% · 7.8 · based on 21 independent reviews
Every model in this category gets the same split: reviews 30%, technical score 70%. This model has enough reviews, so its review score is the weighted average of their grades. 2 more reviews are not scored yet.
â–²Better than 85% of smartwatches
8.1

Technical score

Technical score
8.1/ 10
✕
What it is
An assessment of the smartwatchx27s technical performance, covering seven key areas: health, fitness, display & design, hardware, battery, smart features and connectivity.
When it matters
When you want to compare smartwatches based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 88% of models
Score components

24%

7.7

Health

21%

9.7

Fitness

16%

7.1

Battery

14%

8.0

Smart features

12%

7.6

Connectivity

9%

8.2

Display & Design

4%

8.4

Hardware

â–²Better than 88% of smartwatches
7.8

Review score

Review score
7.8/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves.
Weighting: Big test sites count more, short reviews half as much as full tests. A video review counts half.
Share: Reviews are 30% of the overall score for every model in this category; each of the 5 needed reviews that is missing counts as 7/10.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 56% of models
Grades by review (21)
9 reviews: 5 with a printed score, 4 estimated from the review. 12 video reviews, each counting half as much as a written test. Share in the overall score: 30%, the same for every model in this category.
Text reviews 3
✓ explicit
2

7%

9.0

cgmagonline.com

3.5%

8.0

gadgetvoize.com

≈ estimated
1

7%

5.0

wareable.com

Video reviews 3

3.5%

7.9

TrendGrnd

3.5%

9.0

UKV Reviews

3.5%

8.0

uncover+

estimated from the review
Shop star ratings are not part of this score.
â–²Better than 56% of smartwatches
  • No image
No image

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Best rankings

Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of smartwatch Xiaomi Watch S4 41mm

Technical score
Technical score
8.1/ 10
✕
What it is
An assessment of the smartwatchx27s technical performance, covering seven key areas: health, fitness, display & design, hardware, battery, smart features and connectivity.
When it matters
When you want to compare smartwatches based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 88% of models
Score components:

24%

7.7

Health

21%

9.7

Fitness

16%

7.1

Battery

14%

8.0

Smart features

12%

7.6

Connectivity

9%

8.2

Display & Design

4%

8.4

Hardware

8.1
Review score
Review score
7.8/ 10
✕
What it is
Average grade from independent test sites, magazines and video reviewers, 1–10.
How we count it
Grades: Each review's own score is converted to 1–10; without one, we grade the review ourselves.
Weighting: Big test sites count more, short reviews half as much as full tests. A video review counts half.
Share: Reviews are 30% of the overall score for every model in this category; each of the 5 needed reviews that is missing counts as 7/10.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 56% of models
Grades by review (21)
9 reviews: 5 with a printed score, 4 estimated from the review. 12 video reviews, each counting half as much as a written test. Share in the overall score: 30%, the same for every model in this category.
Text reviews 3
✓ explicit
2

7%

9.0

cgmagonline.com

3.5%

8.0

gadgetvoize.com

≈ estimated
1

7%

5.0

wareable.com

Video reviews 3

3.5%

7.9

TrendGrnd

3.5%

9.0

UKV Reviews

3.5%

8.0

uncover+

estimated from the review
Shop star ratings are not part of this score.
7.8
Popularity
Popularity
7.6/ 10
✕
What it is
An indicator based on the number of reviews received by the smartwatch.
When it matters
When you prefer to purchase a product chosen and reviewed by many other consumers.
Score distribution
â–¼
<55-66-77-88-99-10
â–² Better than 65% of models
Popularity:
Xiaomi Watch S4 41mm has a popularity of 7.6 points, which is higher than 65.4% of smartwatches.
7.6
Value for money
Value for money
8.6/ 10
✕
What it is
An indicator that combines the smartwatch's overall rating with its cost.
When it matters
When you are looking for a smartwatch with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
★ Better than 93% of models
Score components:

60%

8.0

Overall score

40%

9.8

Price

8.6
Brand name
Xiaomi
Heart rate monitor
yes
Heart rate monitor
yes
â–² Better than 11% of models
This smartwatch includes a heart rate monitor. 10.5% of smartwatches include a heart rate monitor.
Blood oxygen monitoring
yes
Blood oxygen monitoring
yes
â–² Better than 33% of models
This smartwatch supports blood oxygen monitoring. 33.4% of smartwatches support blood oxygen monitoring.
ECG
no
ECG
no
â–¼ Worse than 17% of models
This smartwatch does not support ECG. 16.6% of smartwatches support ECG.
Irregular heart rate warnings
yes
Irregular heart rate warnings
yes
â–² Better than 52% of models
This smartwatch supports irregular heart rate warnings. 51.9% of smartwatches support irregular heart rate warnings.
Show more
What reviewers say
Accelerometer
yes
Accelerometer
yes
â–² Better than 1% of models
This smartwatch includes an accelerometer. 0.6% of smartwatches include an accelerometer.
Barometer
yes
Barometer
yes
â–² Better than 51% of models
This smartwatch includes a barometer. 50.6% of smartwatches include a barometer.
Gyroscope
yes
Gyroscope
yes
â–² Better than 30% of models
This smartwatch includes a gyroscope. 30.2% of smartwatches include a gyroscope.
Cadence sensor
?
Distance tracking
yes
Distance tracking
yes
â–² Better than 4% of models
This smartwatch supports distance tracking. 4.1% of smartwatches support distance tracking.
Show more
What reviewers say
Battery life
8 days
Battery life
8 days
â–² Better than 57% of models
Market range: <1 days – >16 days
This smartwatch offers a battery life of 8 days which is longer than that of 56.6% of smartwatches and equal to that of 2.7% of smartwatches.
4 for normal use, 3 for heavy usage with aod.
Battery life in training mode
32 h
Battery life in training mode
32 h
â–² Better than 78% of models
Market range: <5.5 h – >48 h
This smartwatch lasts 32 h in training mode which is longer than 77.7% of smartwatches and equal to that of 0.7% of smartwatches.
Battery life with GPS on
?
Battery power
403 mAh
Battery power
403 mAh
â–² Better than 77% of models
Market range: <195 mAh – >475 mAh
This smartwatch has a battery capacity of 403 mAh which is larger than the batteries in 76.9% of smartwatches and equal to those in 0.2% of smartwatches.
Charge time
?
Show more
What reviewers say
Operating system
HyperOS
Operating system
HyperOS
â–² Better than 59% of models
This smartwatch runs HyperOS which is more advanced than the operating system in 58.8% of smartwatches and the same as that in 1.3% of smartwatches.
Software update frequency
occasional
Software update frequency
occasional
â–² Better than 58% of models
This smartwatch has occasional software update support which is more active than that of 57.6% of smartwatches and equal to that of 36.2% of smartwatches.
Updates are typically released about every 3 months.
Third-party app support
no
Third-party app support
no
â–¼ Worse than 48% of models
This smartwatch does not support third-party apps. 47.7% of smartwatches support third-party apps.
Notifications
yes
Notifications
yes
Category Benchmark
This smartwatch supports notifications. 0.3% of smartwatches support notifications.
Voice assistant support
yes
Voice assistant support
yes
â–² Better than 32% of models
This smartwatch supports voice assistants. 32.4% of smartwatches support voice assistants.
Show more
What reviewers say
Cellular module
no
Cellular module
no
â–¼ Worse than 18% of models
This smartwatch does not include a cellular module. 18% of smartwatches include a cellular module.
SIM cards
0
GPS
yes
GPS
yes
â–² Better than 44% of models
This smartwatch supports GPS. 43.9% of smartwatches support GPS.
Galileo support
yes
Galileo support
yes
â–² Better than 62% of models
This smartwatch supports Galileo navigation. 61.6% of smartwatches support Galileo navigation.
Compass
yes
Compass
yes
â–² Better than 47% of models
This smartwatch includes a compass. 47.5% of smartwatches include a compass.
Show more
What reviewers say
Screen size
1.32 inch
Screen size
1.32 inch
â–¼ Worse than 64% of models
Market range: <1.2 inch – >1.82 inch
This smartwatch has a screen size of 1.32 inch which is smaller than the screens of 63.8% of smartwatches and equal to those of 2.8% of smartwatches.
Display type
AMOLED
Display type
AMOLED
â–² Better than 50% of models
This smartwatch uses a AMOLED display type which is more advanced than that of 49.9% of smartwatches and the same as that of 50.1% of smartwatches.
Resolution
466x 466
Resolution
466x 466
â–² Better than 87% of models
This smartwatch has a display resolution of 466x466 which is higher than that of 87.4% of smartwatches and equal to that of 10.9% of smartwatches.
Pixel density
499 ppi
Pixel density
499 ppi
★ Better than 99% of models
Market range: <207 ppi – >461 ppi
This smartwatch has a pixel density of 499 ppi which is higher than that of 98.5% of smartwatches and equal to that of 1.2% of smartwatches.
Display brightness
?
Show more
What reviewers say
CPU speed
?
Processor model
?
RAM
?
Internal storage
32 GB
Internal storage
32 GB
â–² Better than 85% of models
Market range: <0 GB – >32 GB
This smartwatch uses 32 GB for internal storage which is larger than that of 84.7% of smartwatches and equal to that of 13.4% of smartwatches.
External memory slot
no
External memory slot
no
Category Benchmark
This smartwatch does not include an external memory slot. 0.3% of smartwatches include an external memory slot.
Show more

Xiaomi Watch S4 41mm vs the average smartwatch

246810TotalHealthFitnessBatteryConnectivityDisplay & DesignSmart featuresHardware
  • Temperature sensing
    Temperature sensor
    yes
    â–² Better than 73% of models
    This smartwatch includes a temperature sensor, the average smartwatch does not. 26.8% of smartwatches include a temperature sensor.
  • Readiness score
    Readiness score
    yes
    â–² Better than 83% of models
    This smartwatch supports readiness scores, the average smartwatch does not. 17.5% of smartwatches support readiness scores.
  • Fall detection
    Fall detection
    yes
    â–² Better than 79% of models
    This smartwatch supports fall detection, the average smartwatch does not. 21.3% of smartwatches support fall detection.
    ski mode / Mi Fitness setup required
  • HRV tracking
    HRV tracking
    yes
    â–² Better than 59% of models
    This smartwatch supports HRV tracking, the average smartwatch does not. 40.8% of smartwatches support HRV tracking.
  • Maps support
    Maps support
    yes
    â–² Better than 69% of models
    This smartwatch supports maps, the average smartwatch does not. 31.5% of smartwatches support maps.
  • VO2 max measurement
    VO2 max measurement
    yes
    â–² Better than 52% of models
    This smartwatch measures VO2 max, the average smartwatch does not. 47.6% of smartwatches measure VO2 max.
  • Emergency SOS
    Emergency SOS
    yes
    â–² Better than 57% of models
    This smartwatch includes Emergency SOS, the average smartwatch does not. 42.8% of smartwatches include Emergency SOS.
  • NFC functionality
    NFC
    yes
    â–² Better than 57% of models
    This smartwatch supports NFC, the average smartwatch does not. 43.4% of smartwatches support NFC.
    NFC hardware is present, but functionality may be limited by region/app support.
  • 13.8% better value for money
    Xiaomi Watch S4 41mm has a higher value-for-money score than the average smartwatch (8.55 vs 7.5).
    8.55 vs 7.52
  • Temperature sensing
    Temperature sensor
    yes
    â–² Better than 73% of models
    This smartwatch includes a temperature sensor, the average smartwatch does not. 26.8% of smartwatches include a temperature sensor.
  • Readiness score
    Readiness score
    yes
    â–² Better than 83% of models
    This smartwatch supports readiness scores, the average smartwatch does not. 17.5% of smartwatches support readiness scores.
  • HRV tracking
    HRV tracking
    yes
    â–² Better than 59% of models
    This smartwatch supports HRV tracking, the average smartwatch does not. 40.8% of smartwatches support HRV tracking.
  • VO2 max measurement
    VO2 max measurement
    yes
    â–² Better than 52% of models
    This smartwatch measures VO2 max, the average smartwatch does not. 47.6% of smartwatches measure VO2 max.
  • Irregular heart rate alerts
    Irregular heart rate warnings
    yes
    â–² Better than 52% of models
    This smartwatch supports irregular heart rate warnings, the average smartwatch does not. 48.1% of smartwatches support irregular heart rate warnings.
  • Water intake tracking
    Water intake tracking
    yes
    â–² Better than 56% of models
    This smartwatch tracks water intake, the average smartwatch does not. 44% of smartwatches track water intake.
  • Barometer sensor included
    Barometer
    yes
    â–² Better than 51% of models
    This smartwatch includes a barometer, the average smartwatch does not. 49.5% of smartwatches include a barometer.
  • 70 more exercise profiles
    Multi-sport mode
    150
    â–² Better than 32% of models
    This smartwatch supports more exercise modes than the average smartwatch (150 vs 80). The average smartwatch supports 80 exercise modes.
    Supports 100+ sports modes.
    150 vs 80
  • Route support
    Route support
    yes
    â–² Better than 50% of models
    This smartwatch supports route support, the average smartwatch does not. 50% of smartwatches support route support.
    Route support available via companion app.
  • 12.75 h longer training battery life
    Battery life in training mode
    32 h
    â–² Better than 78% of models
    Market range: <5.5 h – >48 h
    This smartwatch lasts longer in training mode than the average smartwatch (32 h vs 19.25 h). The average smartwatch lasts 19.25 h.
    32 h vs 19.25 h
  • 103 mAh larger battery capacity
    Battery life
    403 mAh days
    â–² Better than 57% of models
    Market range: <1 days – >16 days
    This smartwatch has a larger battery capacity than the average smartwatch (403 mAh vs 300 mAh). The average smartwatch battery is 300 mAh.
    4 for normal use, 3 for heavy usage with aod.
    403 mAh vs 300 mAh
  • 1 days day/s longer battery life
    Battery life
    8 days
    â–² Better than 57% of models
    Market range: <1 days – >16 days
    This smartwatch offers 8 days of battery life, while the average smartwatch offers 7 days.
    4 for normal use, 3 for heavy usage with aod.
    8 days vs 7 days
  • Maps support
    Maps support
    yes
    â–² Better than 69% of models
    This smartwatch supports maps, the average smartwatch does not. 31.5% of smartwatches support maps.
  • NFC functionality
    NFC
    yes
    â–² Better than 57% of models
    This smartwatch supports NFC, the average smartwatch does not. 43.4% of smartwatches support NFC.
    NFC hardware is present, but functionality may be limited by region/app support.
  • Galileo satellite support
    Galileo support
    yes
    â–² Better than 62% of models
    This smartwatch supports Galileo navigation, the average smartwatch does not. 38.5% of smartwatches support Galileo navigation.
  • Newer Bluetooth version
    Bluetooth version
    5.4
    ★ Better than 100% of models
    This smartwatch supports a newer Bluetooth version than the average smartwatch (5.4 vs 5). The average smartwatch uses 5.0.
    5.4 vs 5.0
  • 173 ppi higher pixel density
    Pixel density
    499 ppi
    ★ Better than 99% of models
    Market range: <207 ppi – >461 ppi
    This smartwatch has a higher pixel density than the average smartwatch (499 ppi vs 326 ppi). The average smartwatch display reaches 326 ppi.
    499 ppi vs 326 ppi
  • Stronger display glass
    Display glass type
    Corning Gorilla Glass
    â–² Better than 46% of models
    This smartwatch uses Corning Gorilla Glass display glass, while the average smartwatch uses mineral glass.
    Corning Gorilla Glass vs mineral glass
  • 2.1 mm thinner watch body
    Thickness
    9.50 mm
    ★ Better than 92% of models
    Market range: <9.8 mm – >14.1 mm
    This smartwatch is thinner than the average smartwatch (9.5 mm vs 11.6 mm). The average smartwatch thickness is 11.6 mm.
    9.50 mm vs 11.6 mm
  • 13 g lighter weight
    Weight
    32.0 g
    â–² Better than 81% of models
    Market range: <29 g – >80 g
    This smartwatch is lighter than the average smartwatch (32 g vs 45 g). The average smartwatch weighs 45.0 g.
    Weight refers to watch case without strap/band.
    32.0 g vs 45.0 g
  • Higher resolution
    Display type
    466 x 466
    â–² Better than 50% of models
    This smartwatch has a display resolution of 466x466, while the average smartwatch reaches 352x430.
    466x466 vs 352x430
  • 4 mm narrower band
    Width of band
    18.0 mm
    ★ Better than 94% of models
    Market range: <20 mm – >22 mm
    This smartwatch has a narrower band width than the average smartwatch (18 mm vs 22 mm). The average smartwatch band is 22.0 mm wide.
    18.0 mm vs 22.0 mm
  • Better case material
    Case material
    stainless steel
    â–² Better than 58% of models
    This smartwatch uses stainless steel for the case material, while the average smartwatch uses polycarbonate.
    stainless steel vs polycarbonate
  • Better band material
    Band material
    silicone, leather
    â–² Better than 69% of models
    This smartwatch uses silicone, leather for the band material, while the average smartwatch uses silicone.
    silicone, leather vs silicone
  • Fall detection
    Fall detection
    yes
    â–² Better than 79% of models
    This smartwatch supports fall detection, the average smartwatch does not. 21.3% of smartwatches support fall detection.
    ski mode / Mi Fitness setup required
  • Emergency SOS
    Emergency SOS
    yes
    â–² Better than 57% of models
    This smartwatch includes Emergency SOS, the average smartwatch does not. 42.8% of smartwatches include Emergency SOS.
  • More frequent updates
    Software update frequency
    occasional
    â–² Better than 58% of models
    This smartwatch receives occasional software updates, while the average smartwatch receives ended updates.
    Updates are typically released about every 3 months.
    occasional vs ended
  • More advanced operating system
    Operating system
    HyperOS
    â–² Better than 59% of models
    This smartwatch runs a more advanced operating system than the average smartwatch (HyperOS vs Proprietary OS).
    HyperOS vs Proprietary OS
  • 28 GB more storage
    Internal storage
    32 GB
    â–² Better than 85% of models
    Market range: <0 GB – >32 GB
    This smartwatch offers more internal storage than the average smartwatch (32 GB vs 4 GB). The average smartwatch provides 4 GB of storage.
    32 GB vs 4 GB
  • 4 year/s newer release date
    Release date
    2025
    ★ Better than 95% of models
    Market range: <2k – >2k
    This smartwatch has a newer release date than the average smartwatch (2025 vs 2021). The average smartwatch was released in 2021.
    September 2025
    2025 vs 2021
  • 1 more microphones
    Number of microphones
    2
    ★ Better than 94% of models
    Market range: <0 – >1
    This smartwatch has more microphones than the average smartwatch (2 vs 1). The average smartwatch includes 1 microphones.
    2 vs 1
  • No smart scale support
    Smart scale compatibility
    no
    â–¼ Worse than 54% of models
    This smartwatch does not support smart scale compatibility, the average smartwatch does. 53.7% of smartwatches support smart scale compatibility.
  • 0.08 inch smaller screen size
    Screen size
    1.32 inch
    â–¼ Worse than 64% of models
    Market range: <1.2 inch – >1.82 inch
    This smartwatch has a smaller screen size than the average smartwatch (1.3 inch vs 1.4 inch). The average smartwatch screen is 1.40 inch.
    1.32 inch vs 1.40 inch
  • No smart scale support
    Smart scale compatibility
    no
    â–¼ Worse than 54% of models
    This smartwatch does not support smart scale compatibility, the average smartwatch does. 53.7% of smartwatches support smart scale compatibility.
  • 0.08 inch smaller screen size
    Screen size
    1.32 inch
    â–¼ Worse than 64% of models
    Market range: <1.2 inch – >1.82 inch
    This smartwatch has a smaller screen size than the average smartwatch (1.3 inch vs 1.4 inch). The average smartwatch screen is 1.40 inch.
    1.32 inch vs 1.40 inch

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

7.9
TrendGrnd
✓ explicit
01/12/2025
Hands-on review · sunset gold model and daily use
Verdict
Xiaomi Watch S4 41mm looks solid and premium, but battery life falls short for active users and always-on display use.
8.0
uncover+
≈ estimated
09/10/2025
Long-term test · 15 days with iOS and Android
Verdict
Xiaomi Watch S4 41mm is good value if accuracy and build matter most, though its companion app has reliability problems.
9.0
UKV Reviews
≈ estimated
04/10/2025
Full review · two weeks of testing against the original
Verdict
Xiaomi Watch S4 41mm is the better buy than the original, mainly for being lighter and thinner.
Not graded yet
Not graded yet
Not graded yet

What reviewers agree on

Based on 10 · 12

Reviewers love the display and watch faces, but battery, health tracking and GPS split opinions, and notifications disappoint.
Praised
Mixed views
Criticised
Pick a topic to see who said what

Expert reviews

In-depth analysis and verdict from leading tech publications

smartwatchcentral.co.uk
05/01/2026
Not graded yet
5.0
wareable.com
≈ estimated
07/10/2025
Hands-on review · Fitness and style
Verdict
The Xiaomi Watch S4 41mm is a striking, bright watch for casual wear and heart tracking, but its GPS and strap let it down for serious training.
8.0
gadgetvoize.com
✓ explicit
16/11/2025
Full review · Health tracking
Verdict
The Xiaomi Watch S4 41mm suits everyday health and fitness tracking with a long-running battery, but its voice assistant is basic and Bluetooth can drop out.
7.0
smartzone.de
≈ estimated
31/12/2025
Hands-on test · Design and software
Verdict
The Xiaomi Watch S4 41mm suits narrow wrists and anyone wanting a small, stylish watch, but it can't reply to messages and its strap runs short.
phonandroid.com
16/07/2025
Not graded yet
7.0
frandroid.com
✓ explicit
05/10/2025
Hands-on test · Heart rate check
Verdict
The Xiaomi Watch S4 41mm tracks heart rate and distance close to a Garmin and is comfortable day and night, but lacks an ECG or blood pressure sensor.
msn.com
05/10/2025
Not graded yet
7.0
journaldugeek.com
✓ explicit
23/12/2025
Hands-on test · Style-first design
Verdict
The Xiaomi Watch S4 41mm suits everyday wear with its slim design and bright screen, but its GPS and closed software fall short for serious athletes.
9.0
smartwatchcentral.co.uk
✓ explicit
05/01/2026
Three-week test · Daily wear
Verdict
The Xiaomi Watch S4 41mm is a light, polished watch with a sharp screen, but it can't reply to messages and runs about four days per charge.
9.0
evosmart.it
≈ estimated
05/10/2025
Hands-on review · Style and health
Verdict
The Xiaomi Watch S4 41mm is a stylish, long-lasting watch with good sleep tracking, but it's closed to third-party apps and supports few Italian banks for contactless payment.

Third-party reviews

Read buyer reviews on Amazon →

What we like about Xiaomi Watch S4 41mm

  • Elegant, slim, and lightweight 32g stainless steel design suitable for smaller wrists
  • Vibrant 1.32-inch AMOLED display with high 1500-nit peak brightness for excellent outdoor visibility
  • Smooth and responsive user experience powered by HyperOS 3 with a tactile rotating crown for easy navigation
  • Reliable heart rate monitoring that remains accurate even during high-intensity workouts
  • Solid battery life for its size, typically lasting 4 to 5 days with regular use
  • Fast charging capabilities, reaching up to 75% in just 30 minutes

What we don't like about Xiaomi Watch S4 41mm

  • Inconsistent GNSS/GPS accuracy, particularly in dense urban environments
  • Basic smartwatch functionality with no support for third-party apps like Spotify or WhatsApp
  • Limited notification interaction, lacking support for emojis or message replies
  • Highly restricted NFC payment ecosystem, often limited to a few specific banks or providers like Curve
  • Automatic brightness can be overly dim when used in indoor settings
  • Sleep tracking may misclassify light sleep as deep sleep, leading to inconsistent quality scores

Verdict

The Xiaomi Watch S4 41mm is a compact, fashion-focused smartwatch featuring a premium stainless steel frame and a 1.32-inch AMOLED display with a 466x466 resolution and 1,500 nits peak brightness. Powered by the efficient Xiaomi T1 chipset and HyperOS 3, it offers an upgraded 4-LED + 4-PD heart rate sensor, skin temperature tracking for female health, and over 150 sports modes with 5ATM water resistance. Main pros include its lightweight 32g design, reliable heart rate accuracy during workouts, and a 320mAh battery that provides up to 8 days of light usage. Notable cons include the lack of emoji support and reply capabilities in notifications, inconsistent GPS performance in dense urban areas, and a restrictive NFC payment ecosystem.

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