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Brand | apple | apple | lenovo |
Model | apple Watch series 4 aluminum | apple Watch edition series 2 38mm | lenovo legion tab |
Announced | 2018 September | 2016 September. Released 2016 December | 2024 August 13 |
Status | Available. Released 2018 September | discontinued | Available. Released 2024 August 15 |
Device Body | glass front | ceramic/sapphire crystal back | aluminum frame | glass front ( sapphire crystal ) | ceramic back | ceramic frame | |
Dimensions | 44 x 38 x 10.7 mm ( 1.73 x 1.50 x 0.42 in ) | 39.2 x 34 x 11.8 mm ( 1.54 x 1.34 x 0.46 in ) | 208.5 x 129.5 x 7.6 mm ( 8.21 x 5.10 x 0.30 in ) |
Weight in gram | 36.7 | 39.6 | 350 |
SIM card | eSIM | No | No |
Water Resistance | 50meterwater resistant | 50meterwater resistant | No |
Display type | Retina LTPO OLED | 1000 Luminance units ( the peak ) | Retina OLED | 1000 Luminance units ( the peak ) | IPS LCD | 144hz | dolby vision | HDR10 | 500 Luminance units ( typ ) |
Display resolution | 448 x 368 pixels ( ~326 pixel per inch density ) | 340 x 272 pixels ( ~290 pixel per inch density ) | 1600 x 2560 pixels | 16 : 10 ratio ( ~343 pixel per inch density ) |
Display size | 1.78 inches | 1.5 inches | 8.8 inches | 224.5 cm2 ( ~83.2% screen to body ratio ) |
Display Protection | ion-x strengthened glass | sapphire crystal glass | |
Operating System | watchos 5.0 | upgradable to 9.6.1 | watchos 3.0 | upgradable to 6.2.8 | android 13 |
CPU | Dual-core | Dual-core 780 mhz cortex-a7 | Octa-core ( 1x3.19 GHz cortex-x2 & 3x2.75 GHz cortex-a710 & 4x1.80 GHz cortex-a510 ) |
Chipset | apple s4 | apple s2 ( 16 nm ) | Qualcomm sm8475p snapdragon 8+ generation 1 ( 4 nm ) |
GPU | powervr | powervr g6200 | adreno 730 |
Memory card | No | No | microsdxc ( dedicated slot ) |
Memory v1 | 16gb 1gb RAM | 8gb 512mb RAM | 256gb 12gb RAM |
Memory v2 | |||
Primary camera | | | 13 megapixel| ( wide ) 2 megapixel ( macro ) |
Secondary camera | | | 8 mega pixel |
Loud speaker | Yes | Yes | Yes with stereo speakers |
Audio jack | No | No | No |
WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 a/b/g/n/ac/6e | dual-band | Wi-Fi Direct |
Bluetooth | 5.0 | a2dp | le | 4.0 | le | 5.3 | a2dp | le |
GPS | Yes with glonass | ||
NFC | Yes | Yes | No |
Radio | No | No | unspecified |
USB | No | No | 2x USB Type-C 3.1.0 gen2 | displayport 1.0.4 |
Sensors | accelerometer | gyroscope | heart rate | barometer | accelerometer | gyroscope | heart rate | accelerometer | gyroscope | proximity | compass |
Battery | Li-lon 292 mAh ( 1.12watt per hour ) | Non-removable | Li-lon 273 mAh ( 1.03watt per hour ) | Non-removable | li-po 6550 mAh |
Battery Charge | wireless | wireless charging | 45w wired |
Colors | silver, gold, gray color gradations | white color gradations | grey color gradations |
Network technology | gsm / hspa / lte | No cellular connectivity | No cellular connectivity |
5G bands | |||
Network speed | hspa lte | ||
GPRS | No | No | |
EDGE | No | No | |
Approx price |
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360 GBP
440 EUR
4250 NOK
4500 SEK
27400 RUB
440 USD
2310 BRL
630 AUD
580000 KRW
59000 JPY
610 SGD
1950 MYR
1610 AED
7400 ZAR
