Blu Quattro 4.5 (D440) vs Samsung Galaxy Watch (42mm SM-R815F)
Side by side comparison between Blu Quattro 4.5 vs Samsung Galaxy Watch devices, differences, pros, cons and full specifications. What's the better?
,
4.5"
IPS
IPS
540x960
5
MP
MP
0.3mp
1GB
RAM
RAM
Quad-core
1800
mAh
mAh
(Removable)
vs
1.2"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
270
mAh
mAh
(Non removable)
What's the better device? Blu Quattro 4.5 (D440)
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!
19 Advantages 
12 Advantages | 8 Common items in both devices |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Gyroscope |
| A-GPS, GeoTagging / A-GPS, GeoTagging, GLONASS |
| + 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 | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Change model | ||
| Model | Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) |
| Other model names | BLU Quattro 4.5 D440, Blu D440 | Galaxy Watch 42mm (4G LTE) SM-R815FZDAAMO, Samsung Galileo |
| Country or region available |  (Global, International) |        (Europe), South Africa, Saudi Arabia, Australia, Israel, Singapore, Taiwan |
| Brand | Blu | Samsung |
| Release date | 2/1/2013 | 8/1/2018 |
| Depth | 10.8 millimeters (0.43 inches) | 12.7 millimeters (0.5 inches) |
| Size (width x height) | 67 x 133 millimeters (2.64 x 5.24 in) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) |
| Weight | 145 grams (5.08 ounces) | 49 grams (1.72 ounces) |
| Build, materials | feature not registered | Stainless steel body, glass front |
| Protection against water and others | Not supported | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 4.5" inches | 1.2" inches |
| Screen-to-body ratio | ~62.6% (screen-to-body ratio) | ~24.3% (screen-to-body ratio) |
| Display resolution | 540x960 pixels | 360x360 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 245 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass DX+ |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| System version | Android 4.0.4 Ice Cream Sandwich ICS | Tizen 4.0 |
| Firmware update | Android 4.1.1 Jelly Bean | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Chipset | 32bit: NVIDIA Tegra 3 AP30H (40nm) | 64bit: Samsung Exynos 9 Dual 9110 (10nm) |
| CPU | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A9 (Quad-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | NVIDIA ULP GeForce MP12 | ARM Mali-T720 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| RAM memory | 1GB LPDDR2 | 1.5GB LPDDR3 |
| Internal storage | 4GB (2GB available) | 4GB (1.5GB available) eMMC |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 21/5.76 Mbps | 10 Mbps |
| Network technology | 2G, 3G | 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | Not supported |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 900/1900 |
| Primary 4G network | Not supported | LTE (Bands 1,3,7,8,20) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Back camera (main camera) | 5 megapixels | Not supported |
| Main camera resolution | 2592x1944 pixels | Not supported |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Not supported |
| Flash | LED flash | Not supported |
| Focal aperture | feature not registered | feature not registered |
| 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 | Autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Front camera (secondary) | 0.3 megapixels | Not supported |
| Front camera resolution | 640x480 pixels | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| 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 | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.263, H.264, WMV | MP4 |
| Audio formats | MP3, WAV, WMA, AAC | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| USB | MicroUSB 2.0 | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 1800 mAh | 270 mAh |
| Charger, watts | Wired charging | 3.5W (5V/0.7A) Wired charging |
| Inductive / wireless charging | feature not registered | Qi wireless charging |
| Talk time autonomy | 14 hours | feature not registered |
| Standby | 700 hours (29.2 days) | 72 hours (3 days) |
➕ Other features | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5, Flash player | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black | • 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 |
☢️ Radiation rate | ||
| Blu Quattro 4.5 (D440) | Galaxy Watch (42mm SM-R815F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.383W/kg (head), 0.383W/kg (body) |