VersusMatrix

Mobile Devices

SmartphonesTabletsSmartwatchesFitness TrackersEarbudsE-Readers

Computers & Monitors

LaptopsGaming LaptopsMonitorsGaming MonitorsPrintersPower BanksNAS Storage

PC Components

Graphics CardsProcessorsSSD StorageRAM MemoryCPU CoolersPower SuppliesPC Cases

Audio

HeadphonesBluetooth SpeakersGaming HeadsetsSmart Speakers

Photo, Video & TV

CamerasDronesProjectorsTelevisionsSecurity Cameras

Gaming

Game ConsolesGaming ControllersVR HeadsetsGaming MiceGaming KeyboardsGaming Chairs

Home & Kitchen

Robot VacuumsVacuum CleanersAir PurifiersAir FryersCoffee MakersEspresso MachinesSmart ThermostatsSmart LocksDishwashersWashing MachinesRefrigerators

Personal Care

Electric ShaversElectric ToothbrushesHair DryersHair StraightenersSunglasses

Sports & Outdoor

Running ShoesSneakersCycling & BikesTreadmillsExercise BikesElectric Scooters
SmartphonesLaptopsGraphics CardsHeadphonesProcessorsBlog
VersusMatrix

AI-powered comparisons for smarter buying decisions.

Company

  • Blog
  • Glossary
  • About
  • Contact
  • Sitemap

Legal

  • Privacy Policy
  • Terms of Service
  • Cookie Policy
  • Affiliate Disclosure
  • Editorial Guidelines

Categories

Mobile

  • Smartphones
  • Tablets
  • Smartwatches
  • Fitness Trackers
  • Earbuds
  • E-Readers

Computers

  • Laptops
  • Gaming Laptops
  • Monitors
  • Gaming Monitors
  • Printers
  • Power Banks
  • NAS Storage

PC Components

  • Graphics Cards
  • Processors
  • SSD Storage
  • RAM Memory
  • CPU Coolers
  • Power Supplies
  • PC Cases

Audio

  • Headphones
  • Bluetooth Speakers
  • Gaming Headsets
  • Smart Speakers

Photo & TV

  • Cameras
  • Drones
  • Projectors
  • Televisions
  • Security Cameras

Gaming

  • Game Consoles
  • Gaming Controllers
  • VR Headsets
  • Gaming Mice
  • Gaming Keyboards
  • Gaming Chairs

Home & Kitchen

  • Robot Vacuums
  • Vacuum Cleaners
  • Air Purifiers
  • Air Fryers
  • Coffee Makers
  • Espresso Machines
  • Smart Thermostats
  • Smart Locks
  • Dishwashers
  • Washing Machines
  • Refrigerators

Personal Care

  • Electric Shavers
  • Electric Toothbrushes
  • Hair Dryers
  • Hair Straighteners
  • Sunglasses

Sports & Outdoor

  • Running Shoes
  • Sneakers
  • Cycling & Bikes
  • Treadmills
  • Exercise Bikes
  • Electric Scooters

© 2026 VersusMatrix. All rights reserved.

  1. Home
  2. /Fitness Trackers
  3. /Smart Band 9 M9 Fitness Tracker - Black vs M4 Band Blood Pressure Heart Rate Wristband

Smart Band 9 M9 Fitness Tracker - BlackvsM4 Band Blood Pressure Heart Rate Wristband

WINNER
Smart Band 9 M9 Fitness Tracker - Black

Smart

Band 9 M9 Fitness Tracker - Black

3.8
3.8/10

$13

M4 Band Blood Pressure Heart Rate Wristband

M4

Smart Watch Fitness Tracker Band Blood Pressure Heart Rate Wristband

3.4
3.4/10

$7

AI

AI Matrix

Powered by Claude AI

Smart Band 9 M9 Fitness Tracker - Black narrowly beats the M4 Band Blood Pressure Heart Rate Wristband in the fitness trackers category, particularly in design, scoring 3.8/10 vs 3.4/10. If you want the better overall performer, Smart Band 9 M9 Fitness Tracker - Black is the clear pick.

Reviewed by VersusMatrix Editorial Team|Our methodology

3 Reasons Why Smart Band 9 M9 Fitness Tracker - Black Is Better

  • 1.Lighter: 28g vs 45g
  • 2.Higher design rating: 6.3 vs 1.4
  • 3.Higher overall score: 3.8/10 vs 3.4/10

Score Comparison

Price10.0 / 10.0Health Sensors0.5 / 0.5Weight6.3 / 1.4Battery Life0.6 / 0.6Display6.2 / 6.2
Smart Band 9 M9 Fitness Tracker - BlackM4 Band Blood Pressure Heart Rate Wristband

Score Breakdown

Smart Band 9 M9 Fitness Tracker - BlackM4 Band Blood Pressure Heart Rate Wristband
10.0
Price20% weight
10.0
Tied
0.5
Health Sensors30% weight
0.5
Tied
0.6
Battery Life25% weight
0.6
Tied
6.2
Display15% weight
6.2
Tied
6.3
Weight10% weight
1.4
Smart Band 9 M9 Fitness Tracker - Black wins

Scores are relative within the fitness trackerscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.

Smart Band 9 M9 Fitness Tracker - Black

Winner

✓ Pros

  • ●Better build and design

M4 Band Blood Pressure Heart Rate Wristband

Side-by-Side Specs

SpecSmart Band 9 M9 Fitness Tracker - BlackWM4 Band Blood Pressure Heart Rate Wristband
Display1.3"1.3"
Battery Life96hrs96hrs
Weight28g✓45g
Price13.49$7.49$✓

Who Should Buy Which?

Buy Smart Band 9 M9 Fitness Tracker - Black if…

Buy the Smart Band 9 M9 Fitness Tracker - Black if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.

Buy M4 Band Blood Pressure Heart Rate Wristband if…

The M4 Band Blood Pressure Heart Rate Wristband is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.

Community Vote

Who do you think wins this matchup?

Smart Band 9 M9 Fitness Tracker - Black vs M4 Band Blood Pressure Heart Rate Wristband — FAQ

Smart Band 9 M9 Fitness Tracker - Black vs M4 Band Blood Pressure Heart Rate Wristband: which is better?

Smart Band 9 M9 Fitness Tracker - Black narrowly beats the M4 Band Blood Pressure Heart Rate Wristband in the fitness trackers category, particularly in design, scoring 3.8/10 vs 3.4/10. If you want the better overall performer, Smart Band 9 M9 Fitness Tracker - Black is the clear pick.

Is Smart Band 9 M9 Fitness Tracker - Black better than M4 Band Blood Pressure Heart Rate Wristband?

Yes, Smart Band 9 M9 Fitness Tracker - Black scores higher overall (3.8 vs 3.4).

Which is cheaper, Smart Band 9 M9 Fitness Tracker - Black or M4 Band Blood Pressure Heart Rate Wristband?

M4 Band Blood Pressure Heart Rate Wristband is cheaper at $7.49 vs $13.49 for the Smart Band 9 M9 Fitness Tracker - Black.

Who should buy the Smart Band 9 M9 Fitness Tracker - Black?

Buy the Smart Band 9 M9 Fitness Tracker - Black if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.

Who should buy the M4 Band Blood Pressure Heart Rate Wristband?

The M4 Band Blood Pressure Heart Rate Wristband is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.

Which lasts longer, Smart Band 9 M9 Fitness Tracker - Black or M4 Band Blood Pressure Heart Rate Wristband?

Both offer 96 hours of battery life.

Which is lighter, Smart Band 9 M9 Fitness Tracker - Black or M4 Band Blood Pressure Heart Rate Wristband?

Smart Band 9 M9 Fitness Tracker - Black is lighter at 28g vs 45g.

More Fitness Trackers Comparisons

M4 Smart Watch Band Blood Pressure Bracelet Wristband Fitness Tracker Heart Rate
M4 Smart Watch Band Blood Pressure Bracelet Wristband Fitness Tracker Heart Rate
vs
Fitness Tracker, Fitness Watch Blood Oxygen, Blood Pressure & Heart Rate...
Fitness Tracker, Fitness Watch Blood Oxygen, Blood Pressure & Heart Rate...
M4 Smart Watch Band Blood Pressure Bracelet Wristband Fitness Tracker Heart Rate
M4 Smart Watch Band Blood Pressure Bracelet Wristband Fitness Tracker Heart Rate
vs
Smart Watch Waterproof Bluetooth Call Fitness Tracker Compass With 3 Straps
Smart Watch Waterproof Bluetooth Call Fitness Tracker  Compass With 3 Straps
M4 Smart Watch Band Blood Pressure Bracelet Wristband Fitness Tracker Heart Rate
M4 Smart Watch Band Blood Pressure Bracelet Wristband Fitness Tracker Heart Rate
vs
Misfit Flare Swimproof Fitness & Sleep Tracker Sport Black Band
Misfit Flare Swimproof Fitness & Sleep Tracker Sport Black Band
M4 Smart Watch Band Blood Pressure Bracelet Wristband Fitness Tracker Heart Rate
M4 Smart Watch Band Blood Pressure Bracelet Wristband Fitness Tracker Heart Rate
vs
Smart Band Watch Heart Rate Health Sport Fitness Tracker Bracelet Smartwatch H59
Smart Band Watch Heart Rate Health Sport Fitness Tracker Bracelet Smartwatch H59
Full Smart Band 9 M9 Fitness Tracker - Black review →Full M4 Band Blood Pressure Heart Rate Wristband review →All Smart Fitness Trackers →All M4 Fitness Trackers →