OnePlus 3 (64GB A3000 USA) vs Xiaomi Mi 9 SE (128GB)

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Side by side comparison between OnePlus 3 vs Xiaomi Mi 9 SE phones, differences, pros, cons and full specifications. What's the better?

3/9/2019 12:42 PM, updated: 1/25/2023 4:06 AM

Compare Xiaomi Mi 9 SE X OnePlus 3 (64GB A3000 USA) 04Points

Specifications Compare Models Pictures

5.5"
AMOLED

1080x1920

16
MP

8mp

6GB
RAM

Quad-core

3000
mAh

(Non removable)

16Points Xiaomi Mi 9 SE (128GB) Compare OnePlus 3 X

Specifications Compare Models Pictures

5.97"
AMOLED

1080x2340

48
MP

20mp

6GB
RAM

Octa-core

3070
mAh

(Non removable)

What's the better phone? Xiaomi Mi 9 SE (128GB)

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!

4 Advantages OnePlus 3 (64GB A3000 USA)	vs	16 Advantages Xiaomi Mi 9 SE (128GB)
+7.35 millimeters (0.29 inches)1% Thinner	vs	7.45 millimeters (0.29 inches)
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores	vs	Type-C jack with 3.5mm jack adapter
2.15GHz 64bit Quad-core	vs	+2.3GHz 64bit Octa-core (10nm)45% More powerful processor, you can open your applications faster
64GB (50GB available)	vs	+128GB (109GB available)118% More internal storage for applications and files
158 grams (5.53 ounces)	vs	+155 grams (5.43 ounces)2% Lighter
1080x1920 pixels	vs	+1080x2340 pixels22% Higher resolution screen
401 PPI	vs	+432 PPI8% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+5.97"9% Larger screen
(back) 16MP	vs	+(triple camera) 48MP + 13MP + 8MP3 times Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
1/2.8" inches	vs	+1/2" inches40% The larger sensor camera lets you take photos with better depth.
f/2.0 (aperture)	vs	+f/1.8 (aperture)11% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 20MP149% Higher resolution secondary camera to take pictures and selfies
Android 6.0.1 Marshmallow	vs	+Android 11Advantage Android 11 is newer and safer
(4G LTE-A) 300 Mbps	vs	+(4G LTE-A) 800 Mbps167% Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
3000 mAh	vs	+3070 mAh2% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster

29 Common items in both devices

6GB LPDDR4 / 6GB LPDDR4X

Optic AMOLED / Super AMOLED

16 million

Only digital zoom

PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus

HDR photo/video on both cameras / HDR photo on both cameras

4K UHD (3840x2160)

+22 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
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Change model		Choose the model
Model	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Other model names	OnePlus Three, One Plus 3, OnePlus Rain, USA model	小米9 SE M1903F2G, M1903F2A, Xiaomi Grus
Country or region available	USA	(Global, International), China
Brand	OnePlus	Xiaomi
Release date	6/14/2016	3/1/2019, Announced: 2/20/2019
Depth	7.35 millimeters (0.29 inches)	7.45 millimeters (0.29 inches)
Size (width x height)	74.7 x 152.7 millimeters (2.94 x 6.01 in)	70.5 x 147.5 millimeters (2.78 x 5.81 in)
Weight	158 grams (5.53 ounces)	155 grams (5.43 ounces)
Build, materials	feature not registered	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Display type	Optic AMOLED	Super AMOLED
Screen size	5.5" inches	5.97" inches
Screen-to-body ratio	~73.1% (screen-to-body ratio)	~84.1% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	432 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 4	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	HDR8
🤖 Operating System
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
System version	Android 6.0.1 Marshmallow	Android 9.0 Pie
Firmware update	feature not registered	Android 11
User Interface	feature not registered	MIUI 10 / 11 / 12.5
⚙️ Processor
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Chipset	64bit: Qualcomm Snapdragon 820 MSM8996 (14nm)	64bit: Qualcomm Snapdragon 712 (SDM712) (10nm)
CPU	Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core)	Octa-core, 2 processors: 2x 2.3GHz Kryo 360 Gold (Dual-core) 6x 1.7GHz Kryo 360 Silver (Hexa-core)
GPU graphical controller	Qualcomm Adreno 530	Qualcomm Adreno 616 (610MHz)
Performance (benchmark)	feature not registered	AnTuTu: 180057 (v7) Geekbench: 6017 (v4.4) GFXBench: 14fps (ES 3.1 onscreen)
💽 Memory and storage
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
RAM memory	6GB LPDDR4	6GB LPDDR4X
Internal storage	64GB (50GB available)	128GB (109GB available) UFS 2.0
External storage	Not supported	Not supported
📶 Mobile networks
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	800/150 Mbps
Network technology	2G, 3G, 4G	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	CDMA 800, GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	CDMA2000 UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100
Primary 4G network	LTE Cat6 700/850/1700/1900/2100/2300/2600 (Bands 1,2,4,5,7,12,17,30)	LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A	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	UMTS 850/900/1900/2100
Secondary 4G network	Not supported	LTE Cat15 (1, 3, 5, 7, 8) TD-LTE (34, 38, 39, 40, 41) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Back camera (main camera)	16 megapixels	(triple camera) 48 megapixels 13MP ultrawide f/2.41.12µm 8MP telephoto f/2.41.12µmPDAF
Main camera resolution	4608x3456 pixels	8000x6000 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/2.8" inches	1/2" inches
Pixel size	1.12µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical stabilization	EIS: Digital 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/video on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Front camera (secondary)	8 megapixels	20 megapixels
Front camera resolution	3264x2448 pixels	5184x3840 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	1/3.2" inches	feature not registered
Pixel size	1.4µm pixel	0.9µm pixel
🔉 Sound and multimedia
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, DivX, XviD, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
USB	USB 2.0 Type-C reversible connector	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	Type-C jack with 3.5mm jack adapter
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Supported
🧭 Sensors
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gesture Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
Battery type	LiPo: li-ion polymer (Non removable) 5V 4A	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	3070 mAh
Charger, watts	Wired charging	18W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
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	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: Graphite, Soft gold • USB OTG On-The-Go • Aluminum body • Oxygen OS 3.2.4 • LED notification (RGB) • Rear camera: Sony IMX298 sensor • Front camera: Sony IMX179 sensor • Slow motion 720p@120fps • Dash Charge • Fast battery charging: 60% in 30min • Dirac Power Sound • Miracast • WiFi dual-band	• Colors: Gray, Violet, Blue
☢️ Radiation rate
	OnePlus 3 (64GB A3000 USA)	Xiaomi Mi 9 SE (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.995W/kg (head), 0.645W/kg (body)	1.39W/kg (head), 1.39W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.19W/kg (head), 1.17W/kg (body)