Oppo Find X (256GB) vs Xiaomi Mi 3 (64GB)

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

7/16/2018 2:47 PM, updated: 6/9/2025 11:20 PM

Compare Xiaomi Mi 3 X Oppo Find X (256GB) 19Points

Specifications Compare Models Pictures

6.42"
AMOLED

1080x2340

16
MP

25mp

8GB
RAM

Octa-core

3730
mAh

(Non removable)

07Points Xiaomi Mi 3 (64GB) Compare Oppo Find X X

Specifications Compare Models Pictures

5"
IPS

1080x1920

13
MP

2.1mp

2GB
RAM

Quad-core

3050
mAh

(Non removable)

What's the better phone? Oppo Find X (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!

19 Advantages Oppo Find X (256GB)	vs	7 Advantages Xiaomi Mi 3 (64GB)
+2.8GHz 64bit Octa-core (10nm)61% More powerful processor, you can open your applications faster	vs	2.3GHz 32bit Quad-core
+8GB LPDDR4X3 times More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR3
+256GB (243GB available)3 times More internal storage for applications and files	vs	64GB (60GB available)
+1080x2340 pixels22% Higher resolution screen	vs	1080x1920 pixels
+6.42"28% Larger screen	vs	5"
+(dual camera) 16MP + 20MP181% Higher resolution main camera	vs	(back) 13MP
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo/video only main camera
+f/2.0 (aperture)10% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.2 (aperture)
+(front) 25MP11 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 2.1MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+Android 10Advantage Android 10 is newer and safer	vs	Android 4.4.2 KitKat
+4G LTE-AAdvantage The 4G LTE-A network is newer and faster	vs	3G+ HSPA+
+(4G LTE-A) 1024 Mbps23 times Faster for surfing the internet and download files	vs	(3G+ HSPA+) 42 Mbps
+Face unlock 3DAdvantage Sensors help you use the device	vs	Not supported
+3730 mAh22% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3050 mAh
+2 slots (Dual-SIM)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM)
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
186 grams (6.51 ounces)	vs	+145 grams (5.08 ounces)28% Lighter
9.4 millimeters (0.37 inches)	vs	+8.1 millimeters (0.32 inches)16% Thinner
AMOLED	vs	+TFT LED-Backlit IPS LCDAdvantage TFT LED-Backlit IPS LCD display is brighter and more vivid
401 PPI	vs	+441 PPI10% Crisper display of text, images and videos because it has more pixels per inch (ppi)
Not supported	vs	+BarometerAdvantage Sensors help you use the device
Type-C reversible connector	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

24 Common items in both devices

16 million

Dual-LED flash

Only digital zoom

PDAF: phase detection autofocus / Autofocus

BSI sensor

(front) Full HD (1920x1080)

Capacitive

+17 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
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Change model		Choose the model
Model	Find X (256GB)	Xiaomi Mi 3 (64GB)
Other model names	BBK Oppo Find X PAFM00, PAFT00	Xiaomi Mi3 WCDMA, Xiaomi 3 China Unicom
Country or region available	(Global, International), China, Hong Kong	feature not registered
Brand	Oppo	Xiaomi
Release date	7/1/2018	12/1/2013
Depth	9.4 millimeters (0.37 inches)	8.1 millimeters (0.32 inches)
Size (width x height)	74.2 x 156.7 millimeters (2.92 x 6.17 in)	73.6 x 144 millimeters (2.9 x 5.67 in)
Weight	186 grams (6.51 ounces)	145 grams (5.08 ounces)
Build, materials	Aluminum frame, glass front/back Back: Gorilla Glass 5	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Display type	AMOLED	TFT LED-Backlit IPS LCD
Screen size	6.42" inches	5" inches
Screen-to-body ratio	~87% (screen-to-body ratio)	~65% (screen-to-body ratio)
Display resolution	1080x2340 pixels (19.5:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	441 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass 3
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
System version	Android 8.1 Oreo	Android 4.2.1 Jelly Bean
Firmware update	Android 10	Android 4.4.2 KitKat
User Interface	ColorOS 5.1 / 7.0	feature not registered
⚙️ Processor
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Chipset	64bit: Qualcomm Snapdragon 845 (SDM845) (10nm)	32bit: Qualcomm Snapdragon 800 MSM8274AB (28nm)
CPU	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)	Quad-core, 1 processor: 4x 2.3GHz Krait 400 (Quad-core)
GPU graphical controller	Qualcomm Adreno 630 (710MHz)	Qualcomm Adreno 330 450MHz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
RAM memory	8GB LPDDR4X	2GB LPDDR3
Internal storage	256GB (243GB available) UFS 2.1	64GB (60GB available)
External storage	Not supported	Not supported
📶 Mobile networks
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	1024/150 Mbps	42/5.76 Mbps
Network technology	2G, 3G, 4G	2G, 3G
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	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 32, 66) TD-LTE (34, 38, 39, 40, 41)	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Back camera (main camera)	(dual camera) 16 megapixels 20MP f/2.01/2.8"1.0µm	13 megapixels
Main camera resolution	4608x3456 pixels	4128x3096 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/2.0 (aperture)	f/2.2 (aperture)
Focal length	feature not registered	28mm (lens)
Sensor size	1/2.6" inches	feature not registered
Pixel size	1.22µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	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	Supported	Supported
HDR	HDR photo on both cameras	HDR photo/video only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Front camera (secondary)	25 megapixels *Motorized pop-up camera (slider)	2.1 megapixels
Front camera resolution	5760x4320 pixels	1920x1080 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.2 (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
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	2 microphones	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, DivX, XviD	MP4, DivX, XviD, H.264, H.263, WMV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.0 + A2DP/LE	4.0 + A2DP
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) WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 3D Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable) BM31
Battery capacity	3730 mAh	3050 mAh
Charger, watts	50W Wired fast charging VOOC 3.0	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	20 hours
Standby	feature not registered	400 hours (16.7 days)
➕ Other features
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (Swype), 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: Bordeaux Red, Glacier Blue	• Colors: Metallic gray • USB OTG On-The-Go 1.3 • MI UI 5.0 • Dirac HD sound • Touchscreen with gloves • WiFi display
☢️ Radiation rate
	Oppo Find X (256GB)	Xiaomi Mi 3 (64GB)
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