Motorola Moto G51 (128GB/4GB) vs Xiaomi Black Shark 4S (256GB)
Side by side comparison between Motorola Moto G51 vs Xiaomi Black Shark 4S 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
6.67"
AMOLED
AMOLED
1080x2400
48
MP
MP
20mp
12GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Black Shark 4S (256GB)
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!
7 Advantages 
20 Advantages | 26 Common items in both devices |
| 16 million |
| 1080x2400 pixels |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo on both cameras |
| +19 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) | Xiaomi Black Shark 4S (256GB) | |
| Model | Moto G51 (128GB/4GB) | Black Shark 4S (256GB) |
| Other model names | Lenovo Moto G51 5G (XT2171-1, XT2171-2, XT2171-3) | 黑鲨4S, Black Shark 4S (128GB+12GB RAM) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Motorola | Xiaomi |
| Release date | 11/30/2021, Announced: 11/3/2021 | 10/16/2021, Announced: 10/13/2021 |
| Depth | 9.1 millimeters (0.36 inches) | 9.9 millimeters (0.39 inches) |
| Size (width x height) | 76.5 x 170.5 millimeters (3.01 x 6.71 in) | 76.21 x 163.69 millimeters (3 x 6.44 in) |
| Weight | 208 grams (7.28 ounces) | 210 grams (7.35 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, plastic back |
| Protection against water and others | IP52 certified: protection against dust and splashing | Not supported |
📲 Display | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.8" inches | 6.67" inches |
| Screen-to-body ratio | ~85.6% (screen-to-body ratio) | ~86.1% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 387 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Not supported |
| Refresh rate | 120Hz | 144Hz |
| Display features | Not supported | 1300nits[peak] HDR10+ Always-On Display Touch Sampling Rate: 720Hz |
🤖 Operating System | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| System version | Android 11 | Android 11 |
| Firmware update | feature not registered | Android 12 |
| User Interface | My UX | Joy UI 12 / 13 |
⚙️ Processor | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 480+ (SM4350-AC) (8nm) | 64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm) |
| CPU | Octa-core, 2 processors: 2x 2.2GHz Kryo 460 (Dual-core) 6x 1.8GHz Kryo 460 (Hexa-core) | Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 619 | Qualcomm Adreno 650 (670MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 710538 (v9) Geekbench: 3451 (v5.1) |
💽 Memory and storage | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| RAM memory | 4GB LPDDR4X | 12GB LPDDR5 |
| Internal storage | 128GB (108GB available) eMMC 5.1 | 256GB (221GB available) UFS 3.1 |
| External storage | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| 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 |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 |
| 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 Cat18 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) | SA/NSA (1, 3, 8, 28, 41, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat15 (1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42, 43) VoLTE | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Secondary 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, SA/NSA |
📷 Camera | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| Back camera (main camera) | (triple camera) 50 megapixels 8MP ultrawide f/2.2118°1/4"1.12µm 2MP macro f/2.4 | (triple camera) 48 megapixels 8MP ultrawide f/2.2120°1/4"1.12µm 5MP macro f/2.4AF |
| Main camera resolution | 8160x6120 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 60 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/2.76" inches | 1/2" inches |
| Pixel size | 0.64µm pixel | 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 | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 1080p@240fps | 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) |
📸 Front camera | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| Front camera (secondary) | 13 megapixels | 20 megapixels |
| Front camera resolution | 4128x3096 pixels | 5184x3840 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 | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 1.12µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| Loudspeaker | Mono sound (not stereo) Dolby Atmos | Stereo sound with dual speakers 24-bit/192kHz |
| 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) | Xiaomi Black Shark 4S (256GB) | |
| 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) | USB Type-C (reversible) |
| Bluetooth | 5.1 + A2DP/LE | 5.2 + 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/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| Sensors | Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4500 mAh |
| Charger, watts | 10W Wired charging | 120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| 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) | Xiaomi Black Shark 4S (256GB) | |
| 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, White, Gundam • Liquid Cooling System • Physical pop-up gaming triggers |
☢️ Radiation rate | ||
| Moto G51 (128GB/4GB) | Xiaomi Black Shark 4S (256GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |