Samsung Galaxy 551 (GT-i5510) vs Xiaomi Mi 6X (64GB/6GB)
Side by side comparison between Samsung Galaxy 551 vs Xiaomi Mi 6X phones, differences, pros, cons and full specifications. What's the better?
,
3.2"
TFT
TFT
240x400
3.1
MP
MP
512MB
RAM
RAM
Single-core
1200
mAh
mAh
(Removable)
vs
5.99"
IPS
IPS
1080x2160
12
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi 6X (64GB/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!
6 Advantages 
30 Advantages | 12 Common items in both devices |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| +5 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 | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Model | Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) |
| Other model names | Samsung Galaxy i5510, Samsung Callisto | 小米6X, Xiaomi Mi 6X M1804D2SE, M1804D2SC, Xiaomi Wayne |
| Country or region available |   (Global, International), (Europe) |   China, Hong Kong |
| Brand | Samsung | Xiaomi |
| Release date | 11/1/2010 | 6/1/2018 |
| Depth | 15.2 millimeters (0.6 inches) | 7.3 millimeters (0.29 inches) |
| Size (width x height) | 55 x 111 millimeters (2.17 x 4.37 in) | 75.4 x 158.7 millimeters (2.97 x 6.25 in) |
| Weight | 117 grams (4.1 ounces) | 168 grams (5.88 ounces) |
| Build, materials | feature not registered | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Display type | TFT LCD | LTPS IPS LCD |
| Screen size | 3.2" inches | 5.99" inches |
| Screen-to-body ratio | ~47.7% (screen-to-body ratio) | ~77.4% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1080x2160 pixels (18:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 146 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| System version | Android 2.2 Froyo | Android 8.1 Oreo |
| Firmware update | Android 2.3.6 Gingerbread | Android 9.0 Pie |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Chipset | 32bit: Qualcomm Snapdragon S1 MSM7227 (65nm) | 64bit: Qualcomm Snapdragon 660 (SDM660) (14nm) |
| CPU | Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 200 | Qualcomm Adreno 512 (650MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| RAM memory | 512MB | 6GB LPDDR4X |
| Internal storage | 512MB (173MB available) | 64GB (51GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2 Mbps | 600/150 Mbps |
| Network technology | 2G, 3G | 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 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat12 (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA | 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 |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Back camera (main camera) | 3.1 megapixels | (dual camera) 12 megapixels 20MP f/1.81/2.8"1.0µm |
| Main camera resolution | 2048x1536 pixels | 4000x3000 pixels |
| Video recording (primary) | QVGA (320x240) 15 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | Dual-LED on main camera and LED on front camera |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.9" inches |
| Pixel size | feature not registered | 1.25µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Only digital zoom | 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 | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Front camera (secondary) | Not supported | 20 megapixels |
| Front camera resolution | Not supported | 5164x3872 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | LED |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | Not supported |
| TV | Not supported | Not supported |
| Video formats | 3GP, 3G2, MJPG, MP4, WMV, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+ | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C reversible connector |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | Not supported | Not supported |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Sensors | Accelerometer Compass Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 mAh | 3000 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging Quick Charge 3 |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 5 hours | feature not registered |
| Standby | 370 hours (15.4 days) | feature not registered |
➕ Other features | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Retractable QWERTY keyboard | Not supported |
| Miscellaneous | • Colors: Black • 1GB microSD included • Samsung TouchWiz 3.0 Java framework | • Colors: Black, Gold, Blue, Red, Rose Gold • Back camera sensor: Sony IMX486/IMX376 • Front camera sensor: Sony IMX376 • WiFi display |
☢️ Radiation rate | ||
| Galaxy 551 (GT-i5510) | Xiaomi Mi 6X (64GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.96W/kg (head), 0.64W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.16W/kg (head), 0.66W/kg (body) |