Apple Watch Series 6 vs Apple Watch Ultra

Phones Images
Apple Watch Series 6 Apple Watch Ultra
PHONES
Phone Names Apple Watch Series 6 Apple Watch Ultra
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, CanadaHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK
4G bands1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - Global1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Launch
Announced2020, September 152022, September 07
StatusAvailable. Released 2020, September 18Available. Released 2022, September 23
Body
BuildGlass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frameSapphire crystal front, ceramic/sapphire crystal back, titanium frame
Dimensions44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)49 x 44 x 14.4 mm (1.93 x 1.73 x 0.57 in)
SIMeSIMeSIM
Weight47.1 g (1.66 oz)61.3 g (2.15 oz)
 50m water resistant ECG certified (region dependent SW application; HW available on all models)IP6X certified 100m water resistant (WR100) 40m swimproof/diving (EN13319) MIL-STD 810H certified ECG certified (region dependent SW application; HW available on all models)
Display
ProtectionSapphire crystal glassSapphire crystal glass
Resolution448 x 368 pixels (~326 ppi density)502 x 410 pixels (~338 ppi density)
Size1.78 inches1.92 inches
TypeRetina LTPO OLED, 1000 nits (peak)Retina LTPO OLED, 2000 nits (peak)
 Always-on displayAlways-on display
Platform
CPUDual-coreDual-core
ChipsetApple S6Apple S8
GPUPowerVRPowerVR
OSwatchOS 7.0, upgradable to watchOS 26.1watchOS 9.0, upgradable to watchOS 26.1
Memory
Card slotNoNo
Internal32GB 1GB RAM32GB
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker YesYes, with dual speakers (86-decibel)
Comms
Bluetooth5.0, A2DP, LE5.3, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, QZSSGPS (L1+L5), GLONASS, GALILEO, BDS
RadioNoNo
USBNoNo
WLANWi-Fi 802.11 b/g/n, dual-bandWi-Fi 802.11 b/g/n, dual-band
Features
SensorsAccelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2maxAccelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)
 Natural language commands and dictation (talking mode) Ultra Wideband (UWB) supportTemperature sensing (0.01˚ accuracy) Depth gauge (±1m accuracy) Natural language commands and dictation (talking mode) Ultra Wideband (UWB) support
Battery
ChargingWirelessWireless, 0-80% in 60 min
TypeLi-Ion 303.8 mAhLi-Ion 542 mAh
Misc
ColorsSilver, Graphite (DLC), Gold (PVD)Titanium
ModelsA2293, A2294, A2375, A2376A2684, A2622, A2859, watch6,18
PriceAbout 710 EURAbout 550 EUR
SAR EU-0.35 W/kg (head)     0.60 W/kg (body)
Camera
 NoNo