Samsung Galaxy A30 (SM-A305G 32GB) vs Samsung Galaxy Watch (42mm SM-R815U)
Side by side comparison between Samsung Galaxy A30 vs Samsung Galaxy Watch devices, differences, pros, cons and full specifications. What's the better?
,
6.4"
AMOLED
AMOLED
1080x2340
16
MP
MP
16mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non 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? Samsung Galaxy A30 (SM-A305G 32GB)
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!
25 Advantages 
9 Advantages | 11 Common items in both devices |
| Super AMOLED |
| 16 million |
| 4G LTE-A / 4G LTE |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +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 A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| Model | Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) |
| Other model names | Galaxy A30 SM-A305G Single-Sim (32GB + 3GB RAM) | Galaxy Watch 42mm (4G LTE) SM-R815UZDAXAR, Samsung Galileo |
| Country or region available |   Argentina, Mexico |  USA |
| Brand | Samsung | Samsung |
| Release date | 3/2/2019, Announced: 2/25/2019 | 8/1/2018 |
| Depth | 7.7 millimeters (0.3 inches) | 12.7 millimeters (0.5 inches) |
| Size (width x height) | 74.7 x 158.5 millimeters (2.94 x 6.24 in) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) |
| Weight | 165 grams (5.78 ounces) | 49 grams (1.72 ounces) |
| Build, materials | Plastic body, glass front | 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 | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.4" inches | 1.2" inches |
| Screen-to-body ratio | ~84.9% (screen-to-body ratio) | ~24.3% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 360x360 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass DX+ |
| Refresh rate | 60Hz | feature not registered |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| System version | Android 9.0 Pie | Tizen 4.0 |
| Firmware update | Android 11 | feature not registered |
| User Interface | One UI 1.1 / 3.1 | feature not registered |
⚙️ Processor | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| Chipset | 64bit: Samsung Exynos 7904 (14nm) | 64bit: Samsung Exynos 9 Dual 9110 (10nm) |
| CPU | Octa-core, 2 processors: 2x 1.8GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | ARM Mali-G71 MP2 | ARM Mali-T720 MP1 |
| Performance (benchmark) | AnTuTu: 96550 (v7) Geekbench: 4146 (v4.4) GFXBench: 4.6fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| RAM memory | 3GB LPDDR4X | 1.5GB LPDDR3 |
| Internal storage | 32GB (24GB available) eMMC 5.1 | 4GB (1.5GB available) eMMC |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | 600/150 Mbps | 10 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/1700/1900 |
| Primary 4G network | LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (38, 40, 41) | LTE (Bands 2,4,5,12,13,25,26,66) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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 | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| Back camera (main camera) | (dual camera) 16 megapixels 5MP ultrawide f/2.212mm | Not supported |
| Main camera resolution | 4608x3456 pixels | Not supported |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Not supported |
| Flash | LED flash | Not supported |
| Focal aperture | f/1.7 (aperture) | feature not registered |
| Focal length | 27mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | PDAF: phase detection 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 | HDR photo on both cameras | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| Front camera (secondary) | 16 megapixels | Not supported |
| Front camera resolution | 4608x3456 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV, MKV | MP4 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 4000 mAh | 270 mAh |
| Charger, watts | 15W Wired fast charging | 3.5W (5V/0.7A) Wired charging |
| Inductive / wireless charging | Not supported | Qi wireless charging |
| Talk time autonomy | 23 hours | feature not registered |
| Standby | feature not registered | 72 hours (3 days) |
➕ Other features | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| 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 | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White, Blue, Red | • 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 |
☢️ Radiation rate | ||
| Galaxy A30 (SM-A305G 32GB) | Galaxy Watch (42mm SM-R815U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.316W/kg (head), 0.404W/kg (body) | 0.961W/kg (head), 1.786W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |