Xiaomi Mi 8 Pro (128GB/8GB) vs Samsung Galaxy 551 (GT-i5510M)

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Side by side comparison between Xiaomi Mi 8 Pro vs Samsung Galaxy 551 phones, differences, pros, cons and full specifications. What's the better?

10/29/2018 7:39 PM, updated: 4/29/2020 10:25 PM

Compare Samsung Galaxy 551 X Xiaomi Mi 8 Pro (128GB/8GB) 33Points

Specifications Compare Models Pictures

6.21"
AMOLED

1080x2248

12
MP

20mp

8GB
RAM

Octa-core

3000
mAh

(Non removable)

05Points Samsung Galaxy 551 (GT-i5510M) Compare Xiaomi Mi 8 Pro X

Specifications Compare Models Pictures

3.2"
TFT

240x400

3.1
MP

512MB
RAM

Single-core

1200
mAh

(Removable)

What's the better phone? Xiaomi Mi 8 Pro (128GB/8GB)

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!

33 Advantages Xiaomi Mi 8 Pro (128GB/8GB)	vs	5 Advantages Samsung Galaxy 551 (GT-i5510M)
+2.8GHz 64bit Octa-core8 times More powerful processor, you can open your applications faster	vs	600MHz 32bit Single-core
+8GB LPDDR4X15 times More RAM memory. Typically more responsive and better for multitasking.	vs	512MB
+128GB (110GB available)650 times More internal storage for applications and files	vs	512MB (173MB available)
+7.6 millimeters (0.3 inches)100% Thinner	vs	15.2 millimeters (0.6 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT LCD
+1080x2248 pixels24 times Higher resolution screen	vs	240x400 pixels
+402 PPI175% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	146 PPI
+6.21"94% Larger screen	vs	3.2"
+(dual camera) 12MP + 12MP7 times Higher resolution main camera	vs	(back) 3.1MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	Not supported
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	Not supported
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	Not supported
+(front) 20MPAdvantage A front-camera is best for taking selfies	vs	Not supported
+4K UHD (3840x2160)107 times More image quality for recording videos with the primary camera	vs	QVGA (320x240)
+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer	vs	Android 2.3.6 Gingerbread
+4G LTE-AAdvantage The 4G LTE-A network is newer and faster	vs	3G HSUPA
+(4G LTE-A) 1024 Mbps141 times Faster for surfing the internet and download files	vs	(3G HSUPA) 7.2 Mbps
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (under display)Advantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+3000 mAh150% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1200 mAh
+Video callingAdvantage The video calling allows to make calls with voice and video	vs	Not supported
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos	vs	Not supported
+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster	vs	802.11 b/g/n [wifi4]
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	3.0 + A2DP
+NFCAdvantage NFC allows you to make payments by approach quickly and securely	vs	Not supported
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+HTML, XHTML, HTML5Advantage Better sites viewing on the internet	vs	HTML, XHTML, Flash player
+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
Not supported	vs	+Until 32GB microSD, microSDHCAdvantage More external storage for files using memory cards
177 grams (6.2 ounces)	vs	+117 grams (4.1 ounces)51% Lighter
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Type-C jack with 3.5mm jack adapter	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general

12 Common items in both devices

16 million

PDAF: phase detection autofocus / Autofocus

Capacitive

Multitouch

Accelerometer

Compass

Proximity sensor

+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

📱 Model features
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Change model		Choose the model
Model	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Other model names	小米8 Pro, Xiaomi 8 Pro (8GB RAM) M1807E8A, Xiaomi Ursa	Samsung Galaxy i5510M, Samsung Callisto
Country or region available	Taiwan, (Global, International)	(Latin America), Brazil
Brand	Xiaomi	Samsung
Release date	9/1/2018	11/1/2010
Depth	7.6 millimeters (0.3 inches)	15.2 millimeters (0.6 inches)
Size (width x height)	74.8 x 154.9 millimeters (2.94 x 6.1 in)	55 x 111 millimeters (2.17 x 4.37 in)
Weight	177 grams (6.2 ounces)	117 grams (4.1 ounces)
Build, materials	Aluminum frame, glass front/back	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Display type	Super AMOLED	TFT LCD
Screen size	6.21" inches	3.2" inches
Screen-to-body ratio	~83.8% (screen-to-body ratio)	~47.7% (screen-to-body ratio)
Display resolution	1080x2248 pixels	240x400 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	402 PPI	146 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
System version	Android 8.1 Oreo	Android 2.2 Froyo
Firmware update	Android 9.0 Pie	Android 2.3.6 Gingerbread
User Interface	feature not registered	feature not registered
⚙️ Processor
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Chipset	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)	32bit: Qualcomm Snapdragon S1 MSM7227 (65nm)
CPU	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core)	Single-core, 1 processor: 1x 600MHz ARM1136EJ-S (Single-core)
GPU graphical controller	Qualcomm Adreno 630 710Mhz	Qualcomm Adreno 200
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
RAM memory	8GB LPDDR4X	512MB
Internal storage	128GB (110GB available) UFS 2.1	512MB (173MB available)
External storage	Not supported	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	1024/150 Mbps	7.2 Mbps
Network technology	2G, 3G, 4G	2G, 3G
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	UMTS 850/900/1700/1900/2100	UMTS 850/2100
Primary 4G network	LTE Cat16 (Bands 1,2,3,4,5,7,8,12,17,20) TD-LTE (Bands 34,38,39,40,41) VoLTE	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Back camera (main camera)	(dual camera) 12 megapixels 12MP telephoto f/2.41/3.4"1.0µmAF2x-optical-zoom	3.1 megapixels
Main camera resolution	4000x3000 pixels	2048x1536 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	QVGA (320x240) 15 fps
Flash	Dual-LED flash	Not supported
Focal aperture	f/1.8 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	1/2.55" inches	feature not registered
Pixel size	1.4µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Not supported
Image stabilization	OIS (4-axis): Optical stabilization	Not supported
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Not supported
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Front camera (secondary)	20 megapixels	Not supported
Front camera resolution	5184x3840 pixels	Not supported
Video recording (secondary)	Full HD (1920x1080)	Not supported
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	0.9µm pixel	feature not registered
🔉 Sound and multimedia
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	Not supported
Radio	Not supported	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, DivX, XviD, WMV	3GP, 3G2, MJPG, MP4, WMV, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, eAAC+
🔌 Connectivity
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	3.0 + A2DP
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging
NFC	Supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor	Accelerometer Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable)
Battery capacity	3000 mAh	1200 mAh
Charger, watts	18W Wired fast charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	5 hours
Standby	feature not registered	370 hours (15.4 days)
➕ Other features
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
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	Not supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Retractable QWERTY keyboard
Miscellaneous	• Colors: Black (transparent back), Meteorite black, Twilight Gold • MIUI 10 • 600nit / DCI-P3 / HDR10 display • Always-On Display • Quick Charge 4.0+ • WiFi display	• Colors: Black • 1GB microSD included • Samsung TouchWiz 3.0 • Java framework
☢️ Radiation rate
	Xiaomi Mi 8 Pro (128GB/8GB)	Galaxy 551 (GT-i5510M)
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