Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) vs Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)
Side by side comparison between Asus Zenfone 4 Selfie Pro vs Samsung Galaxy M51 phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
AMOLED
AMOLED
1080x1920
16
MP
MP
12mp
3GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1080x2340
64
MP
MP
32mp
8GB
RAM
RAM
Octa-core
7000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy M51 (SM-M515F/DSN 8GB RAM)
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 
19 Advantages | 27 Common items in both devices |
| eMMC 5.1 |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo on both cameras |
| 4K UHD (3840x2160) |
| +20 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 Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Model | Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) |
| Other model names | Asus Zenfone Selfie Pro ZD552KL (32GB) | Samsung Galaxy M51 SM-M515F/DSN (8GB RAM) |
| Country or region available |  Brazil |    India, Malaysia, Turkey |
| Brand | Asus | Samsung |
| Release date | 9/14/2017 | 9/11/2020 |
| Depth | 6.85 millimeters (0.27 inches) | 9.5 millimeters (0.37 inches) |
| Size (width x height) | 74.8 x 154 millimeters (2.94 x 6.06 in) | 76.3 x 163.9 millimeters (3 x 6.45 in) |
| Weight | 147 grams (5.15 ounces) | 213 grams (7.46 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Display type | AMOLED | Super AMOLED Plus |
| Screen size | 5.5" inches | 6.7" inches |
| Screen-to-body ratio | ~72.4% (screen-to-body ratio) | ~88.1% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 401 PPI | 385 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| System version | Android 7.0 Nougat | Android 10 |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Chipset | 64bit: Qualcomm Snapdragon 625 MSM8953 (14nm) | 64bit: Qualcomm Snapdragon 730G (SM7150-AB) (8nm) |
| CPU | Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 506 650Mhz | Qualcomm Adreno 618 (700MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| RAM memory | 3GB LPDDR3 | 8GB LPDDR4X |
| Internal storage | 32GB (22GB available) eMMC 5.1 | 128GB (106GB available) eMMC 5.1 |
| External storage | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 400/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Global version: UMTS 850/900/2100 USA/Brazil version: UMTS 850/900/1700/1900/2100 Taiwan/Japan/Hong Kong version: UMTS 800/850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 Global version: LTE (Bands 1,3,5,7,8,20) TD-LTE (Bands 40) USA/Brazil version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Taiwan/Japan/Hong Kong version: LTE (Bands 1,3,5,7,8,18,19,26,28) TD-LTE (Bands 38,41) | LTE Cat6 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Back camera (main camera) | 16 megapixels | (quad camera) 64 megapixels 12MP ultrawide f/2.2123° 5MP macro f/2.4 5MP depth f/2.4 |
| Main camera resolution | 4608x3456 pixels | 10120x6328 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED on main camera and LED on front camera | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | feature not registered | 1/1.73" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Front camera (secondary) | (dual front camera) 12 megapixels 8MP 12mm120° | 32 megapixels |
| Front camera resolution | 4000x3000 pixels | 6528x4896 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/1.8 (aperture) | f/2.0 (aperture) |
| Focal length | 25mm (lens) | 26mm (lens) |
| Sensor size | 1/2.55" inches | 1/2.8" inches |
| Pixel size | 1.4µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 7000 mAh |
| Charger, watts | 10W (5V/2A) Wired charging | 25W Wired fast charging Reverse charging by cable |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 30 hours (1.3 days) | 64 hours (2.7 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Rouge Red, Sunlight Gold, Deepsea Black • Metal body • ASUS ZenUI 4.0 • 2.5D screen glass • DTS sound enhancement • Hi-Res audio • 24-bit/192kHz audio • Slow motion 720p@120fps • Sony IMX362 sensor front camera • DuoPixel 24MP (2x12MP) front camera • Fast battery charging • VoLTE | • Colors: Celestial Black, Electric Blue • One UI 2.1, 3.1 |
☢️ Radiation rate | ||
| Asus Zenfone 4 Selfie Pro (ZD552KL 32GB) | Galaxy M51 (SM-M515F/DSN 8GB RAM) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.609W/kg (head), 1.446W/kg (body) |