Compare Oppo Find X vs Xiaomi Mi Mix 4 vs BLU Dash 4.0 vs Lenovo A850

General

Officially Announced

June 2018

Officially Announced

August 2019

December 2012

September 2013

Official Release

July 2018

Official Release

September 2019

January 2013

October 2013

Market Status

Available

Market Status

Available

Device Colors

Blue, Red, (Gradient Effect Colors)

Device Colors

Black

Black, White

Platform & Network

Network Band

GSM

Network Band

GSM

SIM Card Support

Dual, (Nano Sim)

SIM Card Support

Dual, (Nano Sim)

Dual, (Dual stand-by)

Dual

Operating System

Android

Operating System

Android

OS Version

Android 8.1 (Oreo), (Color OS 5.1)

OS Version

Android 9 (Pie), (MIUI)

Android OS, v4.0.4 (Ice Cream Sandwich), Upgradable to v4.1 (Jelly Bean)

Android 4.2 Jelly Bean

Chipset

Qualcomm Snapdragon 845

Chipset

Qualcomm Snapdragon 855, (AIE)

Qualcomm Snapdragon Processor, MSM8225

MediaTek, 6589M

Processor

Octa Core Processor

Processor

Octa Core Processor

Dual Core Processor, Cortex-A5

Quad Core Processor

Processor Speed

2.5 GHz

Processor Speed

2.8 GHz

1 GHz

1.3 GHz

GPU

Adreno 630

GPU

Adreno 640

Adreno 203

PowerVR, SGX544MP

GSM 2G Bands

GSM 850, GSM 900, GSM 1800, GSM 1900

GSM 2G Bands

GSM 850, GSM 900, GSM 1800, GSM 1900

GSM 850, GSM 900, GSM 1800, GSM 1900, Both SIM 1 & SIM 2

GSM 850, GSM 900, GSM 1800, GSM 1900

GSM 3G Bands

HSDPA 850, HSDPA 900, HSDPA 1700, HSDPA 1900, HSDPA 2100

GSM 3G Bands

HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100

HSDPA 850, HSDPA 1900, HSDPA 2100

HSDPA 2100

GSM 4G Bands

LTE 700, LTE 2300, LTE 900, LTE 1700, LTE 850, LTE 2600, LTE 1800, LTE 800, LTE 2100, LTE 2500

GSM 4G Bands

LTE 700, LTE 2300, LTE 1900, LTE 900, LTE 1700, LTE 850, LTE 2600, LTE 1800, LTE 800, LTE 2100, LTE 2500, (Supports 4x4 MIMO)

N/A

5G Support

N/A

5G Support

Yes

N/A

Flight Mode

N/A

Flight Mode

N/A

Yes

Memory

Internal Memory

256GB, 512 GB

Internal Memory

128 GB, 256GB, (6GB + 128GB, 8GB + 128GB/256GB, 10GB + 256GB)

4 GB

RAM Size

8 GB, (LPDDR4)

RAM Size

10 GB, 6 GB, 8 GB, (LPDDR4X)

512 MB

1 GB

Memory Card Slot

No

Memory Card Slot

No

MicroSD

Memory Support

N/A

Memory Support

N/A

Upto 32 GB

Design & Sensors

Sensors

Accelerometer, Ambient Light, Compass, Proximity Sensor, Fingerprint, Gyro, Hall Effect, 3D Facial Sensor (O-Face Recognition), Infrared Sensor

Sensors

Accelerometer, Barometer, Face Recognition, In-Display Fingerprint, Ambient Light, Compass, Proximity Sensor, Gyro, Hall Effect, Ultrasonic Distance Sensor

Orientation Sensor, Accelerometer, Compass, Gyro

Accelerometer, Proximity Sensor, G-Sensor

Weight

186g

Weight

210g, (Unofficial)

128g, (4.52 oz)

184g

Form Factor

Phablet

Form Factor

Phablet

Full touch Bar

Dimensions

157 x 74 x 9 mm, Exactly 156.7 x 74.3 x 9.6 mm

Dimensions

N/A

124 x 63 x 11.8 mm, (4.88 x 2.48 x 0.46 in)

153 x 78 x 9.2 mm, Exactly 153.5 x 79.5 x 9.5 mm

Slim/Thin

9 mm, (9.6 mm Thick)

Slim/Thin

N/A

Orientation Support

N/A

Orientation Support

N/A

Yes

Torch Light

N/A

Torch Light

N/A

No

Keypad

N/A

Keypad

N/A

Touch

Dedicated Keys

Volume, Power, Fingerprint Key

Dedicated Keys

Volume, Power

Volume, Power, Menu

Volume, Power, Home,Back

Device Security

Device Password Lock, Device Pattern Lock, Slide Lock, PIN code Lock, Face Unlock, Fingerprint Unlock

Device Security

Device Password Lock, Device Pattern Lock, Slide Lock, PIN code Lock, Face Unlock, Fingerprint Unlock

PIN code Lock

Slide Lock, PIN code Lock

Screen & Display

Display Type

AMOLED Capacitive Touch Screen, (Panoramic Arc Display)

Display Type

AMOLED Capacitive Touch Screen, (Full Screen,Eye Care Mode,Always-On Display,Sun Screen,HDR Display)

TFT capacitive touchscreen, IPS

IPS LCD Capacitive TouchScreen

Display Size

6.42 Inch

Display Size

6.4 Inch, (Expected)

4 Inch

5.5 Inch

Screen To Body Ratio

91 to 100 Percent, (~93.8% screen-to-body-ratio)

Screen To Body Ratio

N/A

Display Colors

16M Colors

Display Colors

16.7M Colors, (DCI-P3 Color Gamut)

16M Colors

Screen Resolution

2340 x 1080 pixels

Screen Resolution

2340 x 1080 pixels, (Expected)

480 x 800 pixels (WVGA)

540 x 960 pixels (qHD)

Pixel density

400 to 500 ppi, (~409 ppi Pixel Density)

Pixel density

400 to 500 ppi, (~403 ppi Pixel Density)

201 to 275 ppi, (~233 ppi pixel density)

125 to 200 ppi, (~200 ppi pixel density)

Screen Protection

Corning Gorilla Glass, Version 5, 3D Curved Glass

Screen Protection

Corning Gorilla Glass, (2.5D Curved Glass)

N/A

Aspect Ratio

19.5:9

Aspect Ratio

19.5:9

N/A

Touch Mode

N/A

Touch Mode

N/A

Capacitive Multipoint-Touch

Multi Touch Support

Up to 10 Fingers

Multi Touch Support

Up to 10 Fingers

Yes

Camera & Features

Primary Camera

20 MP, (F2.0 Aperture) + 16 MP (F2.0 Aperture)

Primary Camera

64MP, (Expected Triple Cameras)

5.0 MP, 2592 x 1944 pixels

5.0 MP, 2592 x 1944 Pixels

Primary Camera Type

Dual Camera, (Motorized Sliding Camera)

Primary Camera Type

N/A

Digital

Camera Flash LED

Yes

Camera Flash LED

Yes

Selfie Camera Type

N/A

Selfie Camera Type

Pop-Up Camera

Yes

Selfie Camera

25 MP, (F2.0 Aperture, AI Camera, 3D Camera)

Selfie Camera

25 MP, (Expected)

VGA

Selfie Camera Flash

Yes

Selfie Camera Flash

Yes

N/A

Geo-Tagging

Yes

Geo-Tagging

Yes

Date-Tagging

N/A

Date-Tagging

N/A

Yes

Video-Recording

N/A

Video-Recording

N/A

Yes

Hd Video-Recording

With 2160p (4K)

Hd Video-Recording

With 2160p (4K)

N/A

3G or Video Call

N/A

3G or Video Call

N/A

Yes

Camera Zoom

Optical Zoom, (5X)

Camera Zoom

Optical Zoom

Digital Zoom

TV Output

With Wireless Connection

TV Output

With Wireless Connection

No

Video Quality

2160p 30 FPS, (Slow Motion Video)

Video Quality

2160p 60 FPS, (Slow Motion Video 1080p @ 960 fps)

VGA 30fps

N/A

Panorama

Yes

Panorama

Yes

N/A

No

Camcorders

N/A

Camcorders

N/A

Yes

Camera Features

Autofocus, Time Lapse, Bokeh / Portrait Mode, Low Light Mode, PDAF Sensor, Gesture Shot, Voice Capture, Face Beauty, HDR, Video Stabilization (EIS), Smile detection, Face Detection, Touch focus, AI Beautify, A.I Camera Mode,Pro Mode,3D Camera Mode,OIS Sensor

Camera Features

Autofocus, Time Lapse, Bokeh / Portrait Mode, Low Light Mode, PDAF Sensor, Gesture Shot, Voice Capture, Face Beauty, Burst Mode, HDR, Video Stabilization (EIS), Smile detection, Face Recognition, Touch focus, AI Camera Mode, 4-axis OIS,Dual Pixel AF,Super Night Mode

Video recorder, Video player, Touch focus, Face Detection, Image Stabilization (OIS)

Video recorder, Video streaming, Video player, Video Sharing, Autofocus, Touch focus, Face Detection, Image Viewer

Data Connectivity & Internet

GPRS

With GPRS

GPRS

With GPRS

Class 12, (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps

With GPRS

EDGE

With EDGE

EDGE

With EDGE

Class 12

With EDGE

Data Speed

HSPA plus, LTE

Data Speed

HSPA plus, LTE

HSUPA 5.76 Mbps, HSDPA 7.2 Mbps

N/A

Browser Name

N/A

Browser Name

N/A

Android Browser

Browsing Support

N/A

Browsing Support

N/A

HTML, Adobe Flash

WAP, HTML, CSS, CSS 3, HTML5

WiFi Support

Wi-Fi 802.11 a/b/g/n/ac, Tri-Band (2.4 GHz + 5.1 GHz + 5.8 GHz), WiFi Display

WiFi Support

Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, Wi-Fi Display, Dual Band, 2x2 MU-MIMO

Wi-Fi 802.11 b/g/n, DLNA

Wi-Fi 802.11 b/g/n

Hot Spot

Yes

Hot Spot

Yes

Map Support

N/A

Map Support

N/A

Google Maps

Bluetooth Support

Bluetooth 5.0, With LE

Bluetooth Support

Bluetooth 5.0, With aptX-HD

Bluetooth 3.0

Yes

USB-Support

Type-C USB

USB-Support

Type-C USB

microUSB 2.0

USB OTG Support

Yes

USB OTG Support

Yes

N/A

PC-Sync Support

N/A

PC-Sync Support

N/A

Yes

Remote Sync Support

N/A

Remote Sync Support

N/A

Yes

Infrared Port

N/A

Infrared Port

Yes, (Universal Remote Control)

N/A

NFC (Near Field Communication)

Yes

NFC (Near Field Communication)

Yes

No

Battery & Power Usage

Battery Model

Li-Po 3730 mAh, (Non-Removable)

Battery Model

Li-Po 4000 mAh, (Non-Removable)

Li-Ion 1300 mAh

Li-Ion 2250 mAh

Quick Charge

Yes, (VOOC Flash Charge - 5V/4.5A)

Quick Charge

Yes, (100W Fast Charge)

N/A

Wireless Charge

No

Wireless Charge

Yes, (Qi Wireless Charge)

N/A

Stand-by Time

320 Hrs, (Unofficial)

Stand-by Time

380 Hrs, (Unofficial)

450 Hrs

400 Hrs, Unofficial

Talk Time

15 Hrs, (Unofficial)

Talk Time

22 Hrs, (Unofficial)

14 Hrs

15 Hrs, Unofficial

3G Stand-by Time

N/A

3G Stand-by Time

N/A

340 Hrs

N/A

3G Talk Time

N/A

3G Talk Time

N/A

8 Hrs

N/A

Music Playback

Up to 28 Hrs

Music Playback

Up to 40 Hrs

N/A

Video Playback

Up to 6 Hrs

Video Playback

Up to 7 Hrs

N/A

Multimedia (Audio / Video)

Loudspeaker

Yes

Loudspeaker

Yes

Audio Format

WAV, AAC+, OGG, FLAC, MIDI, WMA, M4A, MP3, AMR, AAC, eAAC+

Audio Format

WAV, AAC+, OGG, APE, FLAC, MIDI, WMA, MP3, AMR, AAC, eAAC+

WAV, AAC, MP3, WMA

WAV, AAC, MP3, WMA, FLAC, APE, OGG

Video Format

3GP, M4V, H.264, MKV, AVI, xVID, WMV, FLV, MP4, H.265

Video Format

3GP, M4V, H.264, MKV, MOV, AVI, xVID, WMV, FLV, MP4, H.265

MP4, WMV, xVID, DivX, H.264, H.263

3GP, H.263, H.264, TS, MPEG, MKV, MOV, AVI, WMV, FLV, MP4, ASF, VOB,DAT,PMP,TP

Type-C USB Headphone Jack

N/A

Type-C USB Headphone Jack

Yes

N/A

3.5mm Headphone Jack

Yes

3.5mm Headphone Jack

N/A

Yes

Voice Recording

N/A

Voice Recording

N/A

Yes

FM Radio

Yes

FM Radio

Yes

FM Recording

N/A

FM Recording

N/A

No

N/A

Streaming Support

N/A

Streaming Support

N/A

Yes

Communication & Tracking

Messaging

SMS, MMS, Email, Push Mail, IM, Hangouts

Messaging

SMS, MMS, Email, Push Mail, IM, Hangouts

SMS, MMS, Email, Push Mail, IM

SMS, MMS, Email, Push Mail, IM, RSS, Threaded View

GPS Tracking

A-GPS, BeiDou, GLONASS

GPS Tracking

Yes, A-GPS, BeiDou, Galileo, GLONASS, QZSS

A-GPS

Mobile Tracker

N/A

Mobile Tracker

N/A

No

N/A

Call Management

Speakerphone

N/A

Speakerphone

N/A

Yes

Voice Recognition

Yes

Voice Recognition

Yes

Voice Mail

N/A

Voice Mail

N/A

Yes

Picture Caller ID

N/A

Picture Caller ID

N/A

Yes

Phonebook Memory

N/A

Phonebook Memory

N/A

Unlimited

Call Records

N/A

Call Records

N/A

Dialed Numbers, Call Duration, Call Log, Received Calls

Ringtone or Alert Type

Vibration, MP3 ringtones, WAV

Ringtone or Alert Type

Vibration, MP3 ringtones, MIDI, WAV

Vibration, MP3 ringtones

Application Support

Office Tool Support

N/A

Office Tool Support

N/A

Document Viewer, Document Editor

Document Viewer, PDF Viewer, Excel, Word

Adobe Reader

N/A

Adobe Reader

N/A

Yes

Flash Support

N/A

Flash Support

N/A

Yes

Inbuilt Applications

Notes, Google Apps, Security Center, Oppo Apps

Inbuilt Applications

Notes, Google Apps, Themes, Tools, Mi Apps

Calculator, Calendar, Phonebook, Reminders, Alarm clock, Photo editor, Organizer, Clock

Recorder, Google Talk, Gmail, Clock, Organizer, Photo editor, Converter, World clock, Alarm clock, To-do list, Reminders, Notes, Phonebook, Calendar, Calculator, Google Search

Inbuilt Games

N/A

Inbuilt Games

N/A

Yes

Social Applications

N/A

Social Applications

N/A

Yes

Java Support

N/A

Java Support

N/A

Yes, with Java MIDP emulator

Yes, MIDP

Box Contains

Oppo Find X Handset
Built-in Battery
Charger
Type-C Data Cable
3.5mm To Type-C Connector
Headset
User Guide
Warranty Card
Sim Eject Pin

Box Contains

Built-In Battery 4000 mAh
Micro USB-C Charger
USB-C Data Cable
3.5mm Headset
User Guide
Warranty Card
Sim Removal Pin
Protective Case

BLU Dash 4.0 Handset
Battery (Li-Ion 1300 mAh)
Charger
Manual
Headphone
USB Cable

Lenovo A850 Handset
Standard Battery 2250 mAh
Charger
3.5 mm Headset
USB Data Cable
User Manual
Warranty Card

Misc Features

Dual Sim (Dual Standby)
Metal Body Design
3D Curved Glassy Finish
Pop-Out Camera Technology
3D Omoji (Animoji)
Facial Dot Projector, Flood Illuminator
3D Structured Light Technology
Hi-Fi Audio
Periscope Style Dual Back Cameras
Noise Cancellation

Misc Features

Dual Sim(Dual Standby)
4-Sided Curved Aluminum Frame
Glassy Finish Back
A.I Integrated Features
Google AR Core Support
Hi-Fi Audio
Noise Cancellation

SNS integration
Voice memo/dial/commands
Predictive text input (Swype)

Dual Sim(Dual Standby)
Social Networking Services
Play Store
Voice Memo
178 Degree Wide Viewing Display Technology