Asus Zenwatch 2 (WI502Q) vs Samsung Galaxy A31 (SM-A315F)
Side by side comparison between Asus Zenwatch 2 vs Samsung Galaxy A31 devices, differences, pros, cons and full specifications. What's the better?
,
1.45"
AMOLED
AMOLED
280x280
N/A
512MB
RAM
RAM
Quad-core
290
mAh
mAh
(Non removable)
vs
6.4"
AMOLED
AMOLED
1080x2400
48
MP
MP
20mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better device? Samsung Galaxy A31 (SM-A315F)
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!
5 Advantages 
29 Advantages | 7 Common items in both devices |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Gyroscope |
| Li-Ion: lithium-ion (Non removable) / LiPo: li-ion polymer (Non removable) |
| HTML, XHTML, HTML5 |
| + 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 | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Model | Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) |
| Other model names | Asus Zenwatch 2 WI502Q (45mm), M6E69S, M6E69X, MEC23U, MWD59 | Galaxy A31 SM-A315F (Single-Sim) NFC (128GB + 4GB RAM) |
| Country or region available |  (Global, International) |  South Africa |
| Brand | Asus | Samsung |
| Release date | 9/1/2015 | 4/27/2020, Announced: 3/24/2020 |
| Depth | 11.8 millimeters (0.46 inches) | 8.6 millimeters (0.34 inches) |
| Size (width x height) | 37.2 x 45.2 millimeters (1.46 x 1.78 in) | 73.1 x 159.3 millimeters (2.88 x 6.27 in) |
| Weight | 56 grams (1.96 ounces) | 185 grams (6.48 ounces) |
| Build, materials | Stainless steel and plastic body, glass front | Plastic body, glass front |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min | Not supported |
📲 Display | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 1.45" inches | 6.4" inches |
| Screen-to-body ratio | ~40.3% (screen-to-body ratio) | ~84.9% (screen-to-body ratio) |
| Display resolution | 280x280 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 273 PPI | 411 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| System version | Android Wear 1.3 (5.1.1 Lollipop) | Android 10 |
| Firmware update | Android Wear 2.1 (8.0 Oreo) | Android 11 |
| User Interface | feature not registered | One UI 2.5 / 3.1 |
⚙️ Processor | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) | 64bit: MediaTek Helio P65 (MT6768) (12nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) | Octa-core, 2 processors: 2x 2GHz ARM Cortex-A75 (Dual-core) 6x 1.7GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 305 | ARM Mali-G52 MC2 (820MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 151815 (v8) Geekbench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| RAM memory | 512MB LPDDR | 4GB LPDDR4X |
| Internal storage | 4GB (1.5GB available) eMMC 4.5 | 128GB (104GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | feature not registered | 150/50 Mbps |
| Network technology | feature not registered | 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 | Not supported | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 (1, 2, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, 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 | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Back camera (main camera) | Not supported | (quad camera) 48 megapixels 8MP ultrawide f/2.2123°1/4"1.12µm 5MP macro f/2.4 5MP depth f/2.4 |
| Main camera resolution | Not supported | 8000x6000 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 | 26mm lens |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| 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 on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Front camera (secondary) | Not supported | 20 megapixels |
| Front camera resolution | Not supported | 5184x3840 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 | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| 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, XviD, MKV |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| USB | Not supported | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Not supported | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | Not supported | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Sensors | Accelerometer Gyroscope Pedometer | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Virtual proximity sensor |
| Vibrating alert | Not supported | Supported |
🔋 Battery | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 290 mAh | 5000 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 48 hours (2 days) | feature not registered |
➕ Other features | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | feature not registered | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Not supported | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Gunmetal, Silver, Rose gold • Compatible with standard 18mm straps • Bands options: Rubber, Leather and Metal • 2.5D glass screen | • Colors: Prism Black, Prism Blue, Prism Red, Prism White |
☢️ Radiation rate | ||
| Asus Zenwatch 2 (WI502Q) | Galaxy A31 (SM-A315F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.488W/kg (head), 1.68W/kg (body) |