Xiaomi Mi 6X (128GB) vs Motorola Moto G51 (128GB/6GB)
Side by side comparison between Xiaomi Mi 6X vs Motorola Moto G51 phones, differences, pros, cons and full specifications. What's the better?
,
5.99"
IPS
IPS
1080x2160
12
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6.8"
IPS
IPS
1080x2400
50
MP
MP
13mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Motorola Moto G51 (128GB/6GB)
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!
10 Advantages 
16 Advantages | 25 Common items in both devices |
| 6GB LPDDR4X |
| 128GB (111GB available) / 128GB (108GB available) |
| eMMC 5.1 |
| LTPS IPS LCD / TFT IPS LCD |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| +18 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 | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| Model | Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) |
| Other model names | 小米6X, Xiaomi Mi 6X M1804D2SE, M1804D2SC, Xiaomi Wayne | Lenovo Moto G51 5G (XT2171-1, XT2171-2, XT2171-3) |
| Country or region available |   China, Hong Kong |  (Global, International) |
| Brand | Xiaomi | Motorola |
| Release date | 6/1/2018 | 11/30/2021, Announced: 11/3/2021 |
| Depth | 7.3 millimeters (0.29 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 75.4 x 158.7 millimeters (2.97 x 6.25 in) | 76.5 x 170.5 millimeters (3.01 x 6.71 in) |
| Weight | 168 grams (5.88 ounces) | 208 grams (7.28 ounces) |
| Build, materials | Aluminum body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | IP52 certified: protection against dust and splashing |
📲 Display | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| Display type | LTPS IPS LCD | TFT IPS LCD |
| Screen size | 5.99" inches | 6.8" inches |
| Screen-to-body ratio | ~77.4% (screen-to-body ratio) | ~85.6% (screen-to-body ratio) |
| Display resolution | 1080x2160 pixels (18:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 387 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | Not supported |
🤖 Operating System | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| System version | Android 8.1 Oreo | Android 11 |
| Firmware update | Android 9.0 Pie | feature not registered |
| User Interface | feature not registered | My UX |
⚙️ Processor | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) | 64bit: Qualcomm Snapdragon 480+ (SM4350-AC) (8nm) |
| CPU | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 460 (Dual-core) 6x 1.8GHz Kryo 460 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 512 (650MHz) | Qualcomm Adreno 619 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| RAM memory | 6GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 128GB (111GB available) eMMC 5.1 | 128GB (108GB available) eMMC 5.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 600/150 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat12 (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE | LTE Cat15 (1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42, 43) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) |
| Primary data network | 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 | GPRS, EDGE, UMTS, 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 | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat15 (1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42, 43) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm | (triple camera) 50 megapixels 8MP ultrawide f/2.2118°1/4"1.12µm 2MP macro f/2.4 |
| Main camera resolution | 4000x3000 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 60 fps |
| Flash | Dual-LED on main camera and LED on front camera | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.9" inches | 1/2.76" inches |
| Pixel size | 1.25µm pixel | 0.64µm 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 | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | 1080p@240fps |
📸 Front camera | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| Front camera (secondary) | 20 megapixels | 13 megapixels |
| Front camera resolution | 5164x3872 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 1µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) Dolby Atmos |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| 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, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.1 + 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, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO |
| NFC | Not supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 5000 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 3 | 10W Wired 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 | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| 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 | 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: Black, Gold, Blue, Red, Rose Gold • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display | • Colors: Indigo Blue, Aqua Blue, Bright Silver |
☢️ Radiation rate | ||
| Xiaomi Mi 6X (128GB) | Moto G51 (128GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.96W/kg (head), 0.64W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.16W/kg (head), 0.66W/kg (body) | feature not registered |