WatchFitTool

Samsung Galaxy Watch Ultra vs Galaxy Watch6 Classic LTE 47mm

Size, specs & wrist fit compared

Samsung Galaxy Watch Ultra
Samsung Galaxy Watch Ultra
Samsung Galaxy Watch6 Classic LTE 47mm
Samsung Galaxy Watch6 Classic LTE 47mm

Which one fits you

Under 17 cm (6.7 in) round, the Galaxy Watch Ultra's lugs overhang and the Galaxy Watch6 Classic LTE 47mm's do not; the Galaxy Watch6 Classic LTE 47mm fills the wrist at 17.5–19.5 cm, the Galaxy Watch Ultra at 18–20 cm.

What else differs

  • Battery: 4 days for the Galaxy Watch Ultra against 38.4 hours for the Galaxy Watch6 Classic LTE 47mm in everyday use.

The Galaxy Watch Ultra is thinner than 87% of the 60 smartwatches 47mm across that we hold thickness for, the Galaxy Watch6 Classic LTE 47mm is thinner than 87% — so both wear flatter than their widths suggest.

The Galaxy Watch Ultra is 0.9mm wider, 1.2mm thicker and 1.5g heavier than the Galaxy Watch6 Classic LTE 47mm.

Galaxy Watch Ultra

Galaxy Watch6 Classic LTE 47mm

Case width
47.4mm
46.5mm−0.9mm
Thickness
12.1mm
10.9mm−1.2mm
Weight
60.5g
59g−1.5g

Galaxy Watch Ultra or Galaxy Watch6 Classic LTE 47mm by wrist size

Wrist round (mm left each side)Galaxy Watch Ultra≈54.5mm lug to lug, est.Galaxy Watch6 Classic LTE 47mm≈53.5mm lug to lug, est.
14 cm / 5.5 inOverhangs (4.7mm over)Overhangs (4.2mm over)
15 cm / 5.9 inOverhangs (3.1mm over)Overhangs (2.6mm over)
16 cm / 6.3 inOverhangs (1.4mm over)Overhangs (0.9mm over)
17 cm / 6.7 inBold (0.2mm)Bold (0.7mm)
18 cm / 7.1 inSweet spot (1.8mm)Sweet spot (2.3mm)
19 cm / 7.5 inSweet spot (3.4mm)Sweet spot (3.9mm)
20 cm / 7.9 inBalanced (5mm)Balanced (5.5mm)

How the fit model works · Size chart for every wrist

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Samsung Galaxy Watch Ultra

Samsung

Galaxy Watch Ultra

Samsung Galaxy Watch6 Classic LTE 47mm

Samsung

Galaxy Watch6 Classic LTE 47mm

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Battery life compared

Watch UltraWatch6 Classic LTE 47mm

  • Battery saver

    100 hours
    —
  • Smartwatch

    4 days
    —
  • Heavy use

    48 hours
    —
  • Battery life

    —
    1.6 days

More comparisons

2D Dimension Schematics

Top view
Side view
  • Samsung Galaxy Watch Ultra 47.4mm × ≈54.5mm (est.) · 12.1mm thick
  • Samsung Galaxy Watch6 Classic LTE 47mm 46.5mm × ≈53.5mm (est.) · 10.9mm thick

3D preview

Galaxy Watch Ultra vs Galaxy Watch6 Classic LTE 47mm on a wrist

Open 3D try-on

Specifications

The short version

10 key specs
SpecSamsungGalaxy Watch UltraSamsungGalaxy Watch6 Classic LTE 47mm
Case Width47.4mm46.5mm
Thickness12.1mm10.9mm
Weight60.5g59g
ShapeCircularCircular
Water Resistance10 ATM5 ATM
GPSYesYes
Display typeOLED/AMOLEDOLED/AMOLED
Screen size1.5 inches1.5 inches
Battery life4 days1.6 days
Released20242023

Where the specifications differ

19 differences
SpecSamsung Galaxy Watch UltraSamsung Galaxy Watch6 Classic LTE 47mm
Design
width47.446.5
height47.446.5
volume27.19 cm³23.57 cm³
weight60.5 g59 g
thickness12.110.9
ATM rating10 ATM5 ATM
pixel density327 ppi453 ppi
maximum altitude29527 feet20029 feet
waterproof depth rating100 m50 m
maximum operating temperature55 °C35 °C
Battery
battery life4 days1.6 days
battery power590 mAh425 mAh
Features
release date2024-07-102023-07-26
has HRV trackingYesNo
internal storage32GB16GB
Acquires GPS fasterYesNo
shows readiness levelYesNo
Connectivity
Wi-Fi versionWi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)Wi-Fi 4 (802.11n)
Bluetooth version5.45.3

The other 90 specifications both list are identical.

Full Samsung Galaxy Watch Ultra specifications →Full Samsung Galaxy Watch6 Classic LTE 47mm specifications →