Blu Star 4.5 (S450i) vs Xiaomi Mi Mix 2 Special (128GB/8GB)

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Side by side comparison between Blu Star 4.5 vs Xiaomi Mi Mix 2 phones, differences, pros, cons and full specifications. What's the better?

11/15/2017 9:00 PM, updated: 5/11/2020 1:56 PM

Compare Xiaomi Mi Mix 2 X Blu Star 4.5 (S450i) 05Points

Specifications Compare Models Pictures

4.5"
IPS

480x800

5
MP

0.3mp

512MB
RAM

Quad-core

1700
mAh

(Removable)

25Points Xiaomi Mi Mix 2 Special (128GB/8GB) Compare Blu Star 4.5 X

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

5mp

8GB
RAM

Octa-core

3400
mAh

(Non removable)

What's the better phone? Xiaomi Mi Mix 2 Special (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!

5 Advantages Blu Star 4.5 (S450i)	vs	25 Advantages Xiaomi Mi Mix 2 Special (128GB/8GB)
+Until 32GB microSD, microSDHCAdvantage More external storage for files using memory cards	vs	Not supported
+133 grams (4.66 ounces)41% Lighter	vs	187 grams (6.55 ounces)
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	Li-Ion: lithium-ion (Non removable)
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C reversible connector
+FMAdvantage The radio lets you listen to your songs and sports in general	vs	Not supported
1.3GHz 32bit Quad-core	vs	+2.45GHz 64bit Octa-core (10nm)164% More powerful processor, you can open your applications faster
512MB LPDDR2	vs	+8GB LPDDR4X15 times More RAM memory. Typically more responsive and better for multitasking.
4GB (2GB available)	vs	+128GB (118GB available)58 times More internal storage for applications and files
9.1 millimeters (0.36 inches)	vs	+7.7 millimeters (0.3 inches)18% Thinner
480x800 pixels	vs	+1080x2160 pixels5 times Higher resolution screen
207 PPI	vs	+403 PPI95% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"	vs	+5.99"33% Larger screen
(back) 5MP	vs	+(back) 12MP138% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
(front) 0.3MP	vs	+(front) 5MP15 times Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(front) VGA (640x480)	vs	+(front) Full HD (1920x1080)6 times More image quality for recording videos with the secondary camera
Android 4.4.2 KitKat	vs	+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer
3G+ HSPA+	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G+ HSPA+) 21 Mbps	vs	+(4G LTE-A) 600 Mbps28 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
1700 mAh	vs	+3400 mAh100% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys

18 Common items in both devices

TFT IPS LCD

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

HDR photo only main camera

Capacitive

Multitouch

+11 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
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Change model		Choose the model
Model	Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Other model names	Blu Star 4.5 Dual Chip S450i, Blu S450i	Xiaomi Mi Mix 2 Special edition (8GB RAM), Xiaomi Mi Mix Evo
Country or region available	(Global, International)	China, Hong Kong
Brand	Blu	Xiaomi
Release date	10/1/2014	9/1/2017
Depth	9.1 millimeters (0.36 inches)	7.7 millimeters (0.3 inches)
Size (width x height)	64.3 x 127.7 millimeters (2.53 x 5.03 in)	74.6 x 150.5 millimeters (2.94 x 5.93 in)
Weight	133 grams (4.66 ounces)	187 grams (6.55 ounces)
Build, materials	feature not registered	Ceramic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Display type	TFT IPS LCD	TFT IPS LCD
Screen size	4.5" inches	5.99" inches
Screen-to-body ratio	~70.2% (screen-to-body ratio)	~82.5% (screen-to-body ratio)
Display resolution	480x800 pixels	1080x2160 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	207 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 4
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
System version	Android 4.4.2 KitKat	Android 7.1 Nougat
Firmware update	feature not registered	Android 9.0 Pie
User Interface	feature not registered	feature not registered
⚙️ Processor
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Chipset	32bit: MediaTek MT6582	64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)
CPU	Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core)	Octa-core, 2 processors: 4x 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core)
GPU graphical controller	ARM Mali-400	Qualcomm Adreno 540 (670-710MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
RAM memory	512MB LPDDR2	8GB LPDDR4X
Internal storage	4GB (2GB available)	128GB (118GB available) eMMC 5.1
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Not supported
📶 Mobile networks
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	21/5.76 Mbps	600/50 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 850/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1800/1900/2100
Primary 4G network	Not supported	LTE Cat12 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 34) TD-LTE (Bands 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	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	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Back camera (main camera)	5 megapixels	12 megapixels
Main camera resolution	2592x1944 pixels	4000x3000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	feature not registered	f/2.0 (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	Supported	Supported
Image stabilization	feature not registered	OIS (4-axis): Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo only main camera	HDR photo only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Front camera (secondary)	0.3 megapixels	5 megapixels
Front camera resolution	640x480 pixels	2592x1944 pixels
Video recording (secondary)	VGA (640x480)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, MKV, XviD
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, OGG, eAAC+, FLAC
🔌 Connectivity
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C reversible connector
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) 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	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	1700 mAh	3400 mAh
Charger, watts	Wired charging	18W (9V/2A) Wired fast charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	9 hours	feature not registered
Standby	400 hours (16.7 days)	feature not registered
➕ Other features
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
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, White, Blue, Pink • Screen protector included • Silicon Case included • BLU Infinite View technology	• Colors: Ceramic black, Ceramic white • MIUI 9 • Quick Charge 3.0 • Type-C to 3.5mm headphone jack adapter • 720p@120fps slow motion • Miracast
☢️ Radiation rate
	Blu Star 4.5 (S450i)	Xiaomi Mi Mix 2 Special (128GB/8GB)
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