Samsung Galaxy Watch4 40mm LTE vs Oppo Watch 2 42mm Bluetooth
| Type | - | - |
| Waterproofness & dust-resistance | IP68 |  |
| Dimensions | 40.40 x 39.30 x 9.80 mm | 42.78 x 36.79 x 11.40 mm |
| Weight | 25.90 g | 31.00 g |
| Display size | 1.20" | 1.75" |
| Display | Color / Super AMOLED 396 x 396 px (1.20") 467 ppi | Color / AMOLED 372 x 430 px (1.75") 325 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 |  |
| Additional display | | |
| Protection of the secondary display | | |
| Standard battery | | Li-Ion 360 mAhBuy powerbank
|
| Quick battery charging | | VOOC |
| Wireless battery charging | WPC | |
| Internal memory | 16 GB | 8 GB |
| RAM memory | 1.5 GB | 1 GB |
| Memory cards | | |
| Operating system | Wear OS | ColorOS Watch 2.0 |
| Processor | Samsung Exynos W920 | Qualcomm Snapdragon Wear 4100 |
| Processor clock | 1180 MHz | 1700 MHz |
| GPU | ARM Mali-G68 | Adreno 504 |
| Touchscreen |  | |
| DualSIM | | |
| SIM cards standard | SingleSIM(eSIM) | SingleSIM(eSIM) |
| Announced | 3Q 2021 | 3Q 2021 |
| Other names | SM-R865U; SM-R865F; SM-R865N; Galaxy Watch 4 40 mm LTE | - |
| GSM frequencies | 850 900 1800 1900 | |
| UMTS | 850 900 2100 | |
| LTE standard | | |
| Standard 5G | | |
| CDMA | | |
| Standard TD-SCDMA | | |
| UMA | | |
CAMERAS - BACK
CAMERAS - FRONT
SENSORS
| Accelerometer | | |
| Proximity | | |
| Light | | |
| Magnetometer | | |
| Gyroscope | | |
| Barometer | | |
| Altimeter | | |
| Gravity | | |
| Hall-effect | | |
| Iris scanner | | |
| Fingerprint scanner | | |
| Thermometer | | |
| Hygrometer | | |
Data transfer
| xHTML | | |
| WAP | | |
| HSCSD | | |
| HSDPA | 42.20 Mbit/s | |
| HSUPA | 5.76 Mbit/s | |
| HSPA | | |
| HSPA+ | | |
| LTE DL | - | |
| LTE UP | 51.00 Mbit/s | |
| WIMAX+ | | |
| GPRS | | |
| EDGE | | |
| Bluetooth | v5.0 | v5.0 |
| A2DP Profile | | |
| HDMI | | |
| WiFi | v802.11 a/b/g/n | v802.11 b/g/n |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz |
| WiFi Direct | | |
| WiFi Display | | |
| DLNA | | |
| Miracast | | |
| WiFi hotspot | | |
| IrDA | | |
| USB | | |
| GPS | | |
| A-GPS | | |
| GLONASS | | |
| Beidou | | |
| Galileo | | |
| QZSS | | |
| NFC | | |
COMMUNICATION AND MESSAGING
| Call waiting | | |
| Conferency | | |
| Call forwarding | | |
| Push To Talk | | |
| Instant Messenger | | |
| SMS | | |
| EMS | | |
| MMS | | |
| Dictionary | | |
| Swype | | |
| e-mail client | | |
| Hardware QWERTY keyboard | | |
| RSS Reader | | |
Multimedia
| Radio | | |
| MP3 | | |
| Stereo speakers | | |
| Audio Jack | | 3.5 mm |
| HD Voice | | |
| Polyphony | | |
| Video ringtone | | |
| Ring composer | | |
| Games | | |
| Java | | |
| Videophone | | |
| DVB-H television | | |
| TV-Out | | |
PIM AND ADDITIONAL FUNCTIONS
| Watch | | |
| Stopwatch | | |
| Alarm | | |
| Calculator | | |
| Currency converter | | |
| Organizer | | |
| Calendar | | |
| Flight mode | | |
| SyncML | | |
| Data and fax | | |
| Screensaver | | |
| Themes | | |
| Interchangeable covers | | |
| Voice dial | | |
| Speakerphone | | |
| Vibrations | | |