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OnePlus 7 256GB vs Xiaomi Mi A3 128GB

Side by side comparison, pros, cons, differences between OnePlus 7 vs Xiaomi Mi A3 phones with full specifications. What's the best?

,
OnePlus 7 256GB
6.41"
AMOLED

1080x2340

48
MP

16mp

8GB
RAM

64bit Octa

3700
mAh

(Non removable)

vs
Compare OnePlus 7 X07Xiaomi Mi A3 128GB
Xiaomi Mi A3 128GB
6.088"
AMOLED

720x1560

48
MP

32mp

4GB
RAM

64bit Octa

4030
mAh

(Non removable)

What's the best phone? The PhoneMore's choice is OnePlus 7 256GB

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best! Comment!


16 Advantages OnePlus 7 256GB
7 256GBvsMi A3 128GB
 34%34%
+More powerful processor, you can open your applications faster
2.84Ghz 64bit Octa-Corevs2Ghz 64bit Octa-Core
 100%100%
+More RAM memory. Typically more responsive and better for multitasking
8GB LPDDR4Xvs4GB LPDDR4X
 105%100%
+More internal storage for applications and files
256GB (223GB user available)vs128GB (109GB user available)
Advantage
+Fastest write and read storage
UFS 3.0vsUFS 2.1
 4%4%
+Thinner
8.2 millimeters (0.32 inches)vs8.5 millimeters (0.33 inches)
 125%100%
+Higher resolution screen
1080x2340 pixelsvs720x1560 pixels
 43%43%
+Crisper display of text, images and video because it has more pixels per inch (ppi)
402 PPIvs282 PPI
 5%5%
+Larger screen
6.41"vs6.088"
Advantage
+The Dual LED flash helps in dark places or in low light
Dual LED flashvsLED flash
Advantage
+Image stabilization prevents blurry photos and helps in recording motion video
OIS: Optical stabilizationvsEIS: Digital stabilization
 6%6%
+Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure
f/1.7 (aperture)vsf/1.8 (aperture)
 128%100%
+Faster for surfing the internet and download files
(4G+ LTE-A) 1024 Mbpsvs(4G+ LTE-A) 450 Mbps
Advantage
+With more SIM card slots you can have more operators and choose which one to use
2 slots Dual-SIM
(dedicated slot)
vs2 slots Dual-SIM
(hybrid slot/shares the same microSD slot)
Advantage
+With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device
DLNAvsNot supported
Advantage
+NFC allows you to make payments by approach quickly and securely
NFCvsNot supported
Advantage
+More speed data transfer as mp3 and photos via USB
USB 3.1 Type-C, USB OTG On-The-GovsUSB 2.0 Type-C, USB OTG On-The-Go

07 Advantages Xiaomi Mi A3 128GB
Mi A3 128GBvs7 256GB
Advantage
+More external storage for files using memory cards
Until 256GB microSD, microSDHC, microSDXCvsNot supported
 5%5%
+Lighter
174 grams (6.09 ounces)vs182 grams (6.37 ounces)
 9%9%
+Higher resolution main camera
(triple camera) 48MP + 8MP + 2MPvs(dual camera) 48MP + 5MP
 101%100%
+Higher resolution secondary camera to take pictures and selfies
(front) 32MPvs(front) 16MP
Advantage
+Headsets with 3.5mm Jack size are more common and easy to find in stores
3.5mm jackvsType-C reversible connector
 9%9%
+Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4030 mAhvs3700 mAh
Advantage
+The radio lets you listen to your songs and sports in general
FMvsNot supported

29 Common items in both devices
Aluminum frame, front/back glass
Optic AMOLED / Super AMOLED
16 million
Only digital zoom
PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
1/2" inches
4K UHD (3840x2160 pixels)
Full HD (1920x1080 pixels)
4G+ LTE-A
Capacitive
Multitouch
Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Fingerprint (under display)
Face unlock
LiPo - Li-Ion polymer (Non removable)
Speakerphone
Video calling
Vibrating alert
Active noise cancellation
A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS / A-GPS, GeoTagging, GLONASS, BeiDou
802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)
5.0 version A2DP/LE
HTML, XHTML, HTML5
Gorilla Glass 6 / Gorilla Glass 5
+ COMMON ITEMS

Check the comparison table below for more items that are not evaluated in comparison score above.

Model and physical featuresOnePlus 7 256GBXiaomi Mi A3 128GB
Model7 256GBMi A3 128GB
Also known asOnePlus 7 (8GB RAM + 256GB) GM1903, BBK GuacamoleBXiaomi Mi A3 (Android One) 4GB RAM + 128GB
Country or region availableVarious (International)Various (International)
BrandOnePlusXiaomi
Release dateMay, 2019July, 2019
Depth8.2 millimeters (0.32 inches)8.5 millimeters (0.33 inches)
Size (width x height)74.8 x 157.7 millimeters (2.94 x 6.21 in)71.85 x 153.48 millimeters (2.83 x 6.04 in)
Weight182 grams (6.37 ounces)174 grams (6.09 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, front/back glassAluminum frame, front/back glass
Protection against water and othersNot supportedNot supported
Operating system (OS)OnePlus 7 256GBXiaomi Mi A3 128GB
Operating systemAndroid 9.0 PieAndroid 9.0 Pie
Firmware updatefeature not registeredfeature not registered
HardwareOnePlus 7 256GBXiaomi Mi A3 128GB
Architecture - Chipset64bit - Qualcomm Snapdragon 855 SDM855 (7nm)64bit - Qualcomm Snapdragon 665 SDM665 (11nm)
CPU processorOcta-Core, 3 processors:
2.84Ghz Single-Core Kryo 485
2.42Ghz 3-Cores Kryo 485
1.78Ghz Quad-Core Kryo 485
Octa-Core, 2 processors:
2Ghz Quad-Core Kryo 260 Gold
1.8Ghz Quad-Core Kryo 260 Silver
GPU graphical controllerQualcomm Adreno 640Qualcomm Adreno 610
RAM memory8GB LPDDR4X4GB LPDDR4X
Internal storage256GB (223GB user available)
UFS 3.0
128GB (109GB user available)
UFS 2.1
External storageNot supportedUntil 256GB microSD, microSDHC, microSDXC
(hybrid slot/shares the same SIM-2 slot)
DisplayOnePlus 7 256GBXiaomi Mi A3 128GB
Display typeOptic AMOLEDSuper AMOLED
Screen size6.41" inches6.088" inches
Screen-to-body ratio~85.5% (screen-to-body ratio)~82.5% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Display resolution1080x2340 pixels720x1560 pixels
Pixel density (dot pitch)402 PPI282 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 6Gorilla Glass 5
Mobile networks and dataOnePlus 7 256GBXiaomi Mi A3 128GB
Dual-SIMDual SIM Standby - Call active on one sim card
(dedicated slot)
Dual SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots Dual-SIM
nano-SIM (4FF)
2 slots Dual-SIM
nano-SIM (4FF)
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 800/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G/5G networkLTE Cat16/13 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 29, 32)
TD-LTE (Bands 34, 38, 39, 40, 41)
LTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (Bands 38, 40)
VoLTE
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
Maximum download/upload1024/150 Mbps450/50 Mbps
Messaging and callingOnePlus 7 256GBXiaomi Mi A3 128GB
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
Primary / back cameraOnePlus 7 256GBXiaomi Mi A3 128GB
Main camera(dual camera)
48 megapixels
5MP depth sensor (f/2.4 1.12µm)
(triple camera)
48 megapixels
8MP ultrawide (f/2.2 1.12µm)
2MP depth sensor (f/2.4)
Main camera resolution8000x6000 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160 pixels) 60 fps4K UHD (3840x2160 pixels) 30 fps
FlashDual LED flashLED flash
Focal aperturef/1.7 (aperture)f/1.8 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/2" inches1/2" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Front / secondary cameraOnePlus 7 256GBXiaomi Mi A3 128GB
Front camera16 megapixels32 megapixels
Front camera resolution4608x3456 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080 pixels)Full HD (1920x1080 pixels)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.0 (aperture)
Focal length25mm lensfeature not registered
Sensor size1/3.1" inchesfeature not registered
Pixel size1µm pixel0.8µm pixel
MultimediaOnePlus 7 256GBXiaomi Mi A3 128GB
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
Connectivity and interfacesOnePlus 7 256GBXiaomi Mi A3 128GB
USBUSB 3.1 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedNot supported
Audio outputType-C reversible connector3.5mm jack
Bluetooth5.0 version A2DP/LE5.0 version A2DP/LE
WiFi802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)802.11 a/b/g/n/ac + MIMO (2.4Ghz, 5Ghz)
DLNASupportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBASA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portNot supportedSupported
Other functionsOnePlus 7 256GBXiaomi Mi A3 128GB
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Proximity
Compass
Ambient Light
Gyroscope
Face unlock
Fingerprint (under display)
Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Face unlock
Fingerprint (under display)
Other features- Colors: Mirror Gray, Red
- Display 2.5D, 19,5:9, DCI-P3
- OxygenOS 9.5.4
- Silicon case included
- Sony IMX586 main camera sensor
- Sony IMX471 front camera sensor
- Dolby Atmos sound
- WiFi direct, hotspot
- Colors: Gray, White, Blue
- Android One
- 2.5D glass screen
- 19.5:9 display ratio
- Quick Charge 3
- WiFi direct, display, hotspot
Power supply and autonomyOnePlus 7 256GBXiaomi Mi A3 128GB
BatteryLiPo - Li-Ion polymer (Non removable)
Fast battery charging
LiPo - Li-Ion polymer (Non removable)
Fast battery charging
Battery capacity3700 mAh4030 mAh
Battery model / charger (watts)20W9V/2A=18W
Talk timefeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rate (SAR)OnePlus 7 256GBXiaomi Mi A3 128GB
SAR USA, Mexico, Colombiafeature not registeredfeature not registered
SAR European Union, UKfeature not registeredfeature not registered