Samsung Galaxy Watch (42mm SM-R815U) vs Xiaomi Redmi 4X (64GB)
Side by side comparison between Samsung Galaxy Watch vs Xiaomi Redmi 4X devices, differences, pros, cons and full specifications. What's the better?
,
1.2"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
270
mAh
mAh
(Non removable)
vs
5"
IPS
IPS
720x1280
13
MP
MP
5mp
4GB
RAM
RAM
Octa-core
4100
mAh
mAh
(Non removable)
What's the better device? Xiaomi Redmi 4X (64GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
9 Advantages 
20 Advantages | 11 Common items in both devices |
| 16 million |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Gyroscope |
| +4 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Model | Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) |
| Other model names | Galaxy Watch 42mm (4G LTE) SM-R815UZDAXAR, Samsung Galileo | Xiaomi Hongmi 4X 4GB RAM 64GB, MAE136, MAT136 |
| Country or region available |  USA |     China, India, Malaysia, Pakistan |
| Brand | Samsung | Xiaomi |
| Release date | 8/1/2018 | 5/1/2017 |
| Depth | 12.7 millimeters (0.5 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) | 70 x 139.2 millimeters (2.76 x 5.48 in) |
| Weight | 49 grams (1.72 ounces) | 150 grams (5.25 ounces) |
| Build, materials | Stainless steel body, glass front | feature not registered |
| Protection against water and others | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 1.2" inches | 5" inches |
| Screen-to-body ratio | ~24.3% (screen-to-body ratio) | ~70.7% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass DX+ | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| System version | Tizen 4.0 | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Chipset | 64bit: Samsung Exynos 9 Dual 9110 (10nm) | 64bit: Qualcomm Snapdragon 435 MSM8940 (28nm) |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Octa-core, 2 processors: 4x 1.4GHz ARM Cortex-A53 (Quad-core) 4x 1.1GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | ARM Mali-T720 MP1 | Qualcomm Adreno 505 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| RAM memory | 1.5GB LPDDR3 | 4GB LPDDR3 |
| Internal storage | 4GB (1.5GB available) eMMC | 64GB (54GB available) |
| External storage | Not supported | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | 2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF) |
| Maximum Download / Upload | 10 Mbps | 300/50 Mbps |
| Network technology | 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | Not supported | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1700/1900 | Global model: UMTS 850/900/1900/2100 India model: UMTS 900/2100 China model: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | LTE (Bands 2,4,5,12,13,25,26,66) | LTE Cat6 850/900/1800/2100/2600 (Bands 1,3,5,7,8) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Back camera (main camera) | Not supported | 13 megapixels |
| Main camera resolution | Not supported | 4128x3096 pixels |
| Video recording (primary) | Not supported | Full HD (1920x1080) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Not supported | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Front camera (secondary) | Not supported | 5 megapixels |
| Front camera resolution | Not supported | 2560x1920 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4 | MP4, H.265, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| USB | Not supported | MicroUSB 2.0 |
| Audio output | Not supported | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 270 mAh | 4100 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | Wired charging |
| Inductive / wireless charging | Qi wireless charging | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 72 hours (3 days) | feature not registered |
➕ Other features | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | Not supported | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Midnight Black, Rose Gold • Straps: Black, Grey, Red, Yellow, Purple, Pink, Brown • Compatible with standard 20mm straps • Always-on display • Rotating bezel • Samsung Pay • Compatible with Sprint, T-Mobile and Verizon carriers | • Colors: Black, Gold • MIUI 8 • 450nit screen • VoLTE • WiFi display, direct, hotspot |
☢️ Radiation rate | ||
| Galaxy Watch (42mm SM-R815U) | Redmi 4X (64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.961W/kg (head), 1.786W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |