Screen size
iPhone 4Winner: 3.5"+44%
Watch Series 10 Aluminum2.0"
Quick verdict
iPhone 4 leads the measured specs 8-5.
Measured wins
iPhone 4
8
spec wins
Overall winner
Ties
3
equal specs
Watch Series 10 Aluminum
5
spec wins
Screen size
Technology
iPhone 4
GSM / HSPA
Watch Series 10 Aluminum
GSM / HSPA / LTE
2G bands
iPhone 4
GSM 850 / 900 / 1800 / 1900
Watch Series 10 Aluminum
GSM 850 / 900 / 1800 / 1900
3G bands
iPhone 4
HSDPA 850 / 900 / 1900 / 2100
Watch Series 10 Aluminum
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK, HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
Speed
iPhone 4
Resolution
Refresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
HSPA 7.2/5.76 Mbps
Watch Series 10 Aluminum
HSPA, LTE
4G bands
iPhone 4
-
Watch Series 10 Aluminum
1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK, 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Announced
iPhone 4
2010, June. Released 2010, June
Watch Series 10 Aluminum
2024, September 09
Status
iPhone 4
Discontinued
Watch Series 10 Aluminum
Available. Released 2024, September 20
Dimensions
iPhone 4
115.2 x 58.6 x 9.3 mm (4.54 x 2.31 x 0.37 in)
Watch Series 10 Aluminum
46 x 39 x 9.7 mm (1.81 x 1.54 x 0.38 in)
Weight
iPhone 4
137 g (4.83 oz)
Watch Series 10 Aluminum
29.3 g (42mm), 35.3 g (46mm) (1.02 oz)
Build
iPhone 4
Glass front (Corning-made glass), glass back, stainless steel frame
Watch Series 10 Aluminum
Glass front, ceramic/sapphire crystal back, aluminum frame
SIM
iPhone 4
Micro-SIM
Watch Series 10 Aluminum
eSIM
Other
iPhone 4
Scratch-resistant glass back panel
Watch Series 10 Aluminum
IP6X certified 50m water resistant ECG certified (region dependent SW application; HW available on all models) Depth gauge to 6m
Type
iPhone 4
IPS LCD
Watch Series 10 Aluminum
Retina LTPO3 OLED, 2000 nits (peak)
Size
iPhone 4
3.5 inches, 36.5 cm2 (~54.0% screen-to-body ratio)
Watch Series 10 Aluminum
1.96 inches
Resolution
iPhone 4
640 x 960 pixels, 3:2 ratio (~330 ppi density)
Watch Series 10 Aluminum
496 x 416 pixels (~330 ppi density)
Protection
iPhone 4
Corning Gorilla Glass, oleophobic coating
Watch Series 10 Aluminum
Ion-X strengthened glass
Other
iPhone 4
-
Watch Series 10 Aluminum
Wide-angle OLED
OS
iPhone 4
iOS 4, upgradable to iOS 7.1.2
Watch Series 10 Aluminum
watchOS 11, upgradable to watchOS 26.2.1
Chipset
iPhone 4
Apple A4 (45 nm)
Watch Series 10 Aluminum
Apple S10
CPU
iPhone 4
1.0 GHz Cortex-A8
Watch Series 10 Aluminum
Dual-core
GPU
iPhone 4
PowerVR SGX535
Watch Series 10 Aluminum
PowerVR
Card slot
iPhone 4
No
Watch Series 10 Aluminum
No
Internal
iPhone 4
8GB 512MB RAM, 16GB 512MB RAM, 32GB 512MB RAM
Watch Series 10 Aluminum
64GB
Single
iPhone 4
5 MP, f/2.8, 1/3.2", 1.75µm, AF
Watch Series 10 Aluminum
-
Features
iPhone 4
LED flash, HDR
Watch Series 10 Aluminum
-
Video
iPhone 4
720p@30fps
Watch Series 10 Aluminum
-
Single
iPhone 4
VGA, videocalling over Wi-Fi only
Watch Series 10 Aluminum
-
Video
iPhone 4
480p@30fps
Watch Series 10 Aluminum
-
Loudspeaker
iPhone 4
Yes
Watch Series 10 Aluminum
Yes
3.5mm jack
iPhone 4
Yes
Watch Series 10 Aluminum
No
WLAN
iPhone 4
Wi-Fi 802.11 b/g/n, hotspot
Watch Series 10 Aluminum
Wi-Fi 802.11 b/g/n, dual-band
Bluetooth
iPhone 4
2.1, A2DP
Watch Series 10 Aluminum
5.3, A2DP, LE
Positioning
iPhone 4
GPS, A-GPS
Watch Series 10 Aluminum
GPS, GLONASS, GALILEO, QZSS, BDS
Radio
iPhone 4
No
Watch Series 10 Aluminum
No
USB
iPhone 4
2.0
Watch Series 10 Aluminum
No
NFC
iPhone 4
-
Watch Series 10 Aluminum
Yes
Sensors
iPhone 4
Accelerometer, gyro, proximity, compass
Watch Series 10 Aluminum
Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body), temperature (water)
Browser
iPhone 4
HTML5 (Safari)
Watch Series 10 Aluminum
-
Other
iPhone 4
-
Watch Series 10 Aluminum
Temperature sensing (0.01˚ accuracy) Ultra Wideband (UWB) support (gen2 chip) Media playback
Type
iPhone 4
Li-Po 1420 mAh, non-removable
Watch Series 10 Aluminum
Li-Ion 327 mAh
Stand-by
iPhone 4
Up to 300 h (3G)
Watch Series 10 Aluminum
-
Talk time
iPhone 4
Up to 7 h (3G)
Watch Series 10 Aluminum
-
Charging
iPhone 4
-
Watch Series 10 Aluminum
Wireless, 0-80% in 30 min
Colors
iPhone 4
Black, White
Watch Series 10 Aluminum
Jet Black, Rose Gold, Silver
Models
iPhone 4
A1349, A1332, iPhone 3,1
Watch Series 10 Aluminum
A3001, A3002, A3003, A3206, A2997, A2998, A2999, A3000
SAR
iPhone 4
1.17 W/kg (head) 1.11 W/kg (body)
Watch Series 10 Aluminum
1.08 W/kg (head)
SAR EU
iPhone 4
0.93 W/kg (head) 0.74 W/kg (body)
Watch Series 10 Aluminum
0.26 W/kg (head) 0.83 W/kg (body)
Price
iPhone 4
About 200 EUR
Watch Series 10 Aluminum
€ 319.49
Other
iPhone 4
-
Watch Series 10 Aluminum
No