Samsung Galaxy Watch4 40mm vs Samsung Galaxy Watch6 40mm
| Type | - | - | - | - |
| Waterproofness & dust-resistance | IP68 | IP68 | IP68 | IP68 |
| Dimensions | 40.40 x 39.30 x 9.80 mm | 38.80 x 40.40 x 9.00 mm | 41.00 x 41.00 x 12.30 mm | 40.40 x 40.00 x 9.70 mm |
| Weight | 25.90 g | 28.70 g | 31.00 g | 28.80 g |
| Display size | 1.20" | 1.30" | 1.20" | 1.30" |
| Display | Color / Super AMOLED 396 x 396 px (1.20") 467 ppi | Color / Super AMOLED 16M colors 432 x 432 px (1.30") 470 ppi | Color / AMOLED 30 Hz 450 x 450 px (1.20") 530 ppi | Color / Super AMOLED 16,7M colors 432 x 432 px (1.30") 470 ppi |
| Display protection | Corning Gorilla Glass Buy screen protector
 |  | Corning Gorilla Glass Buy screen protector
|  |
| Additional display | | | | |
| Protection of the secondary display | | | | |
| Standard battery |  | Li-Ion 300 mAhBuy powerbank
| Li-Ion 306 mAhBuy powerbank
| Li-Po 300 mAhBuy powerbank
|
| Quick battery charging | | | | |
| Wireless battery charging | WPC | WPC | | WPC |
| Internal memory | 16 GB | 16 GB | 32 GB | 32 GB |
| End-user memory | | | | 21.1 GB |
| RAM memory | 1.5 GB | 2 GB | 2 GB | 2 GB |
| Memory cards | | | | |
| Operating system | Wear OS | Wear OS 4 | Wear OS 4.0 | WearOS 5 |
| Interface | - | One UI 5 Watch | - | One UI 6 Watch |
| Processor | Samsung Exynos W920 | Samsung Exynos W930 | Qualcomm Snapdragon W5 Gen 1 SW5100 | Samsung Exynos W1000 |
| Processor clock | 1180 MHz | 1400 MHz | 1700 MHz | 1600 MHz |
| GPU | ARM Mali-G68 | ARM Mali-G68 MP2 | Adreno 702 | ARM Mali-G68 MP2 |
| Touchscreen | | | | |
| DualSIM | | | | |
| SIM cards standard | | | | SingleSIM(eSIM) |
| Announced | 3Q 2021 | 3Q 2023 | 4Q 2023 | 3Q 2024 |
| Other names | SM-R860X; Galaxy Watch 4 40 mm | - | G4TSL | SM-L300N; SM-L305U |
| 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 | v5.3 | v5.0 | v5.3 |
| A2DP Profile | | | | |
| HDMI | | | | |
| WiFi | v802.11 a/b/g/n | v802.11 a/b/g/n | v802.11 b/g/n | v802.11 a/b/g/n/ac |
| WiFi frequencies | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz | 2,4 GHz | 2,4 GHz; 5 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 | | | | |
| Sound formats | | | | 3GA, AAC, AMR, AWB, M4A, OGA, OGG, WAV |
| 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 | | | | |
| Recorder | | | | |
| Vibrations | | | | |