CAT B15 vs Xiaomi Mi Mix 2 (256GB)

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Side by side comparison between CAT B15 vs Xiaomi Mi Mix 2 phones, differences, pros, cons and full specifications. What's the better?

11/15/2017 8:53 PM, updated: 3/16/2020 7:28 PM

Compare Xiaomi Mi Mix 2 X CAT B15 05Points

Specifications Compare Models Pictures

4"
TFT

480x800

5
MP

0.3mp

512MB
RAM

Dual-core

2000
mAh

(Removable)

28Points Xiaomi Mi Mix 2 (256GB) Compare CAT B15 X

Specifications Compare Models Pictures

5.99"
IPS

1080x2160

12
MP

5mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

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

5 Advantages CAT B15	vs	28 Advantages Xiaomi Mi Mix 2 (256GB)
+Until 32GB microSD, microSDHCAdvantage More external storage for files using memory cards	vs	Not supported
+170 grams (5.95 ounces)9% Lighter	vs	185 grams (6.48 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
+IP67 certified, MIL-STD-810G military certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
1GHz 32bit Dual-core	vs	+2.45GHz 64bit Octa-core (10nm)3 times More powerful processor, you can open your applications faster
512MB LPDDR2	vs	+6GB LPDDR4X11 times More RAM memory. Typically more responsive and better for multitasking.
4GB (2.49GB available)	vs	+256GB (245GB available)97 times More internal storage for applications and files
15 millimeters (0.59 inches)	vs	+7.7 millimeters (0.3 inches)95% Thinner
TFT LCD	vs	+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid
480x800 pixels	vs	+1080x2160 pixels5 times Higher resolution screen
233 PPI	vs	+403 PPI73% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4"	vs	+5.99"50% Larger screen
(back) 5MP	vs	+(back) 12MP138% Higher resolution main camera
Not supported	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
(front) 0.3MP	vs	+(front) 5MP15 times Higher resolution secondary camera to take pictures and selfies
HD (1280x720)	vs	+4K UHD (3840x2160)8 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 4.1.2 Jelly Bean	vs	+Android 9.0 PieAdvantage Android 9.0 Pie is newer and safer
3G HSUPA	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G HSUPA) 7.2 Mbps	vs	+(4G LTE-A) 600 Mbps82 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Not supported	vs	+CompassAdvantage 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
2000 mAh	vs	+3400 mAh70% 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
3.0 + 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.
HTML, XHTML	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet

16 Common items in both devices

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

HDR photo only main camera

Capacitive

Multitouch

Accelerometer

+9 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
	CAT B15	Xiaomi Mi Mix 2 (256GB)
Change model		Choose the model
Model	CAT B15	Xiaomi Mi Mix 2 (256GB)
Other model names	Caterpillar B15 Dual-sim	Xiaomi Mix 2 MDE5 (6GB RAM), Xiaomi Mi Mix Evo
Country or region available	(Global, International)	China, Hong Kong
Brand	CAT	Xiaomi
Release date	3/1/2013	9/1/2017
Depth	15 millimeters (0.59 inches)	7.7 millimeters (0.3 inches)
Size (width x height)	69.5 x 125 millimeters (2.74 x 4.92 in)	75.5 x 151.8 millimeters (2.97 x 5.98 in)
Weight	170 grams (5.95 ounces)	185 grams (6.48 ounces)
Build, materials	feature not registered	Aluminum body, glass front, ceramic back
Protection against water and others	IP67 certified: dust proof and waterproof over 1 meter and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.	Not supported
📲 Display
	CAT B15	Xiaomi Mi Mix 2 (256GB)
Display type	TFT LCD	TFT IPS LCD
Screen size	4" inches	5.99" inches
Screen-to-body ratio	~52.4% (screen-to-body ratio)	~80.8% (screen-to-body ratio)
Display resolution	480x800 pixels	1080x2160 pixels
Touchscreen	Capacitive Multitouch 2-points	Capacitive Multitouch
Pixel density (dot pitch)	233 PPI	403 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Gorilla Glass 4
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	CAT B15	Xiaomi Mi Mix 2 (256GB)
System version	Android 4.1.2 Jelly Bean	Android 7.1 Nougat
Firmware update	feature not registered	Android 9.0 Pie
User Interface	feature not registered	feature not registered
⚙️ Processor
	CAT B15	Xiaomi Mi Mix 2 (256GB)
Chipset	32bit: MediaTek MT6577	64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm)
CPU	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)	Octa-core, 2 processors: 4x 2.45GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core)
GPU graphical controller	PowerVR SGX531T	Qualcomm Adreno 540 (670-710MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	CAT B15	Xiaomi Mi Mix 2 (256GB)
RAM memory	512MB LPDDR2	6GB LPDDR4X
Internal storage	4GB (2.49GB available)	256GB (245GB available) eMMC 5.1
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Not supported
📶 Mobile networks
	CAT B15	Xiaomi Mi Mix 2 (256GB)
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) Standard mini-SIM (2FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	7.2/5.76 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	Latin America model: UMTS 850/1900 Europe/Africa model: UMTS 900/2100	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	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
	CAT B15	Xiaomi Mi Mix 2 (256GB)
Back camera (main camera)	5 megapixels	12 megapixels
Main camera resolution	2592x1944 pixels	4000x3000 pixels
Video recording (primary)	HD (1280x720) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Not supported	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	EIS: Digital stabilization	OIS (4-axis): Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile 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
	CAT B15	Xiaomi Mi Mix 2 (256GB)
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
	CAT B15	Xiaomi Mi Mix 2 (256GB)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	Not supported	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+	MP3, WAV, OGG, eAAC+, FLAC
🔌 Connectivity
	CAT B15	Xiaomi Mi Mix 2 (256GB)
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	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	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	CAT B15	Xiaomi Mi Mix 2 (256GB)
Sensors	Accelerometer Ambient light sensor Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	CAT B15	Xiaomi Mi Mix 2 (256GB)
Battery type	Li-Ion: lithium-ion (Removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	2000 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	16 hours	feature not registered
Standby	456 hours (19 days)	feature not registered
➕ Other features
	CAT B15	Xiaomi Mi Mix 2 (256GB)
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	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black • WiFi hotspot • Drop to concrete resistance from up to 1.8m • IP67 certified: dust and waterproof up to 1m for 30min • MIL-STD-810G certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant • Java framework	• Colors: Black, White • MIUI 9 • Quick Charge 3.0 • Type-C to 3.5mm headphone jack adapter • 720p@120fps slow motion • Miracast
☢️ Radiation rate
	CAT B15	Xiaomi Mi Mix 2 (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