Motorola Moto G51 (128GB/4GB) vs Samsung Galaxy A9 Pro 2019 (SM-G887N)
Side by side comparison between Motorola Moto G51 vs Samsung Galaxy A9 Pro (2019) phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
IPS
IPS
1080x2400
50
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.4"
PLS
PLS
1080x2340
24
MP
MP
24mp
6GB
RAM
RAM
Octa-core
3400
mAh
mAh
(Non removable)
What's the better phone? Motorola Moto G51 (128GB/4GB)
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!
15 Advantages 
14 Advantages | 23 Common items in both devices |
| 128GB (108GB available) / 128GB (109GB available) |
| eMMC 5.1 |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo on both cameras |
| +16 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 | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| Model | Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) |
| Other model names | Lenovo Moto G51 5G (XT2171-1, XT2171-2, XT2171-3) | 갤럭시 A9 Pro SM-G887NTKASKO, Galaxy A8s |
| Country or region available |  (Global, International) |  South Korea |
| Brand | Motorola | Samsung |
| Release date | 11/30/2021, Announced: 11/3/2021 | 12/1/2018 |
| Depth | 9.1 millimeters (0.36 inches) | 7.4 millimeters (0.29 inches) |
| Size (width x height) | 76.5 x 170.5 millimeters (3.01 x 6.71 in) | 74.9 x 158.4 millimeters (2.95 x 6.24 in) |
| Weight | 208 grams (7.28 ounces) | 173 grams (6.06 ounces) |
| Build, materials | Plastic body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | IP52 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| Display type | TFT IPS LCD | TFT PLS |
| Screen size | 6.8" inches | 6.4" inches |
| Screen-to-body ratio | ~85.6% (screen-to-body ratio) | ~84.7% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2340 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 387 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 120Hz | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| System version | Android 11 | Android 9.0 Pie |
| Firmware update | feature not registered | Android 10 |
| User Interface | My UX | One UI |
⚙️ Processor | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| Chipset | 64bit: Qualcomm Snapdragon 480+ (SM4350-AC) (8nm) | 64bit: Qualcomm Snapdragon 710 SDM710 (10nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 460 (Dual-core) 6x 1.8GHz Kryo 460 (Hexa-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 619 | Qualcomm Adreno 616 500Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| RAM memory | 4GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 128GB (108GB available) eMMC 5.1 | 128GB (109GB available) eMMC 5.1 |
| External storage | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 800/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/1700/1900/2100 |
| Primary 4G network | LTE Cat15 (1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42, 43) VoLTE | LTE Cat15/13 (1, 3, 4, 5, 7, 8, 17, 26) TD-LTE (38, 40, 41) |
| Primary 5G network | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat15 (1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42, 43) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| Back camera (main camera) | (triple camera) 50 megapixels 8MP ultrawide f/2.2118°1/4"1.12µm 2MP macro f/2.4 | (triple camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 5MP depth f/2.2 |
| Main camera resolution | 8160x6120 pixels | 5632x4224 pixels |
| Video recording (primary) | Full HD (1920x1080) 60 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | 1/2.76" inches | 1/2.8" inches |
| Pixel size | 0.64µm pixel | 0.9µm 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 | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 1080p@240fps | 1080p@240fps |
📸 Front camera | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| Front camera (secondary) | 13 megapixels | 24 megapixels |
| Front camera resolution | 4128x3096 pixels | 5632x4224 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | 1.12µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| Loudspeaker | Mono sound (not stereo) Dolby Atmos | Stereo sound |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO 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, GALILEO | A-GPS, GeoTagging, GLONASS, GALILEO |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| Sensors | Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 3400 mAh |
| Charger, watts | 10W Wired charging | 18W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| 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: Indigo Blue, Aqua Blue, Bright Silver | • Colors: Black, Gradient Black, Blue • Samsung Pay |
☢️ Radiation rate | ||
| Moto G51 (128GB/4GB) | Galaxy A9 Pro 2019 (SM-G887N) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.601W/kg (head), 1.14W/kg (body) |