Compare Devices
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Brand | apple | microsoft | apple |
Model | apple Watch series 4 | microsoft lumia 640 xl | apple Watch series 3 aluminum |
Announced | 2018 September | 2015 March. Released 2015 April | 2017 September |
Status | Available. Released 2018 September | discontinued | Available. Released 2017 September |
Device Body | glass front ( sapphire crystal ) | ceramic/sapphire crystal back | stainless steel frame | glass front | ceramic back | aluminum frame | |
Dimensions | 44 x 38 x 10.7 mm ( 1.73 x 1.50 x 0.42 in ) | 157.9 x 81.5 x 9 mm ( 6.22 x 3.21 x 0.35 in ) | 42.5 x 36.4 x 11.4 mm ( 1.67 x 1.43 x 0.45 in ) |
Weight in gram | 48 | 171 | 34.9 |
SIM card | eSIM | Micro-SIM | eSIM |
Water Resistance | 50meterwater resistant | No | 50meterwater resistant |
Display type | Retina LTPO OLED | 1000 Luminance units ( the peak ) | IPS LCD | Retina OLED | 1000 Luminance units ( the peak ) |
Display resolution | 448 x 368 pixels ( ~326 pixel per inch density ) | 720 x 1280 pixels | 16 : 9 ratio ( ~259 pixel per inch density ) | 390 x 312 pixels ( ~303 pixel per inch density ) |
Display size | 1.78 inches | 5.7 inches | 88.9 cm2 ( ~69.1% screen to body ratio ) | 1.65 inches |
Display Protection | sapphire crystal glass | corning gorilla glass 3 | ion-x strengthened glass |
Operating System | watchos 5.0 | upgradable to 9.6.1 | microsoft windows phone 8.1 | upgradable to microsoft windows 10 | watchos 4.0 | upgradable to 8.7 |
CPU | Dual-core | Quad-core 1.2 GHz cortex-a7 | Dual-core |
Chipset | apple s4 | Qualcomm msm8226 snapdragon 400 ( 28 nm ) | apple s3 |
GPU | powervr | adreno 305 | powervr |
Memory card | No | microsdxc ( dedicated slot ) | No |
Memory v1 | 16gb 1gb RAM | 8gb 1gb RAM | 8gb 768mb RAM |
Memory v2 | 16gb 768mb RAM | ||
Primary camera | | 13 megapixel| lens aperture2.0 | 28mm ( wide ) | 1/3.0" | Auto focus | |
Secondary camera | | 5 mega pixel | |
Loud speaker | Yes | Yes | Yes |
Audio jack | No | Yes | No |
WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n | dlna | hotspot | Wi-Fi 802.11 b/g/n |
Bluetooth | 5.0 | a2dp | le | 4.0 | a2dp | 4.2 | a2dp | le |
GPS | Yes with a-gps glonass | ||
NFC | Yes | Yes | Yes |
Radio | No | FM Radio | No |
USB | No | microusb 2.0 | No |
Sensors | accelerometer | gyroscope | heart rate | barometer | accelerometer | proximity | compass | sensor core | accelerometer | gyroscope | heart rate | barometer |
Battery | Li-lon 292 mAh ( 1.12watt per hour ) | Non-removable | Li-lon 3000 mAh | removable | Li-lon 341 mAh ( 1.34watt per hour ) | Non-removable |
Battery Charge | wireless | wireless charging | |
Colors | black color gradations, silver, gold | cyan, orange, black, white, white color gradations | silver, gold, gray color gradations |
Network technology | gsm / hspa / lte | gsm / hspa | gsm / hspa / lte |
5G bands | |||
Network speed | hspa lte | hspa 42.2/5.76 mbps | hspa 42.2/5.76 mbps lte |
GPRS | |||
EDGE | |||
Approx price |
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590 GBP
707 EUR
6920 NOK
7300 SEK
44600 RUB
720 USD
3760 BRL
1030 AUD
940000 KRW
96000 JPY
990 SGD
3170 MYR
2620 AED
12000 ZAR
