Xiaomi Mi 8 (256GB) vs Oppo Find X3 (128GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Xiaomi Mi 8 vs Oppo Find X3 phones, differences, pros, cons and full specifications. What's the better?

11/29/2021 11:26 AM, updated: 11/29/2021 11:33 AM

Compare Oppo Find X3 X Xiaomi Mi 8 (256GB) 08Points

Specifications Compare Models Pictures

6.21"
AMOLED

1080x2248

12
MP

20mp

6GB
RAM

Octa-core

3400
mAh

(Non removable)

23Points Oppo Find X3 (128GB) Compare Xiaomi Mi 8 X

Specifications Compare Models Pictures

6.7"
AMOLED

1440x3216

50
MP

32mp

8GB
RAM

Octa-core

4500
mAh

(Non removable)

What's the better phone? Oppo Find X3 (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!

8 Advantages Xiaomi Mi 8 (256GB)	vs	23 Advantages Oppo Find X3 (128GB)
+256GB (243GB available)134% More internal storage for applications and files	vs	128GB (104GB available)
+175 grams (6.13 ounces)10% Lighter	vs	193 grams (6.76 ounces)
+7.6 millimeters (0.3 inches)9% Thinner	vs	8.26 millimeters (0.33 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	AMOLED
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
2.8GHz 64bit Octa-core	vs	+3.2GHz 64bit Octa-core (7nm)10% More powerful processor, you can open your applications faster
6GB LPDDR4X	vs	+8GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1	vs	+UFS 3.1Advantage Fastest write and read storage.
HDR10	vs	+HDR10+Advantage The HDR10+ display provides vibrant colors and more details
60Hz	vs	+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
16 million	vs	+1 billion62 times More colors on the screen is better quality images and videos
1080x2248 pixels	vs	+1440x3216 pixels91% Higher resolution screen
402 PPI	vs	+526 PPI31% Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.21"	vs	+6.7"8% Larger screen
(dual camera) 12MP + 12MP	vs	+(quad camera) 50MP + 13MP + 50MP + 3MP4 times Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/2.55" inches	vs	+1/1.56" inches63% The larger sensor camera lets you take photos with better depth.
(front) 20MP	vs	+(front) 32MP61% Higher resolution secondary camera to take pictures and selfies
Android 9.0 Pie	vs	+Android 11Advantage Android 11 is newer and safer
4G LTE-A	vs	+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster
(4G LTE-A) 1024 Mbps	vs	+(5G SA/NSA) 2000 Mbps95% Faster for surfing the internet and download files
3400 mAh	vs	+4500 mAh32% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
18W	vs	+65W3 times More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
Not supported	vs	+Qi Wireless charging (Qi/WPC)Advantage Wireless charging is another way to charge the battery.
802.11 a/b/g/n/ac [wifi5]	vs	+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
5.0 + A2DP/LE	vs	+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.
Not supported	vs	+IP52 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

27 Common items in both devices

Aluminum frame, glass front/back

PDAF: phase detection autofocus

OIS (4-axis): Optical stabilization / OIS: Optical stabilization

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

f/1.8 (aperture)

4K UHD (3840x2160)

(front) Full HD (1920x1080)

+20 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
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
Change model		Choose the model
Model	Xiaomi Mi 8 (256GB)	Find X3 (128GB)
Other model names	小米8, Xiaomi Mi8 6GB RAM, Xiaomi Dipper	OPPO Find X3 5G (PEDM00)
Country or region available	(Global, International), China, Hong Kong	China
Brand	Xiaomi	Oppo
Release date	6/1/2018	3/19/2021, Announced: 3/11/2021
Depth	7.6 millimeters (0.3 inches)	8.26 millimeters (0.33 inches)
Size (width x height)	74.8 x 154.9 millimeters (2.94 x 6.1 in)	74.4 x 163.6 millimeters (2.93 x 6.44 in)
Weight	175 grams (6.13 ounces)	193 grams (6.76 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front/back
Protection against water and others	Not supported	IP52 certified: protection against dust and splashing
📲 Display
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
Display type	Super AMOLED	AMOLED
Screen size	6.21" inches	6.7" inches
Screen-to-body ratio	~83.8% (screen-to-body ratio)	~88.7% (screen-to-body ratio)
Display resolution	1080x2248 pixels	1440x3216 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	402 PPI	526 PPI
Colors	16 million	1 billion
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass
Refresh rate	60Hz	120Hz
Display features	600nits[typ] HDR10	500nits[typ], 1300nits[peak] HDR10+ BT.2020
🤖 Operating System
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
System version	Android 8.1 Oreo	Android 11
Firmware update	Android 9.0 Pie	feature not registered
User Interface	feature not registered	ColorOS 11.2
⚙️ Processor
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
Chipset	64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)	64bit: Qualcomm Snapdragon 870 (SM8250-AC) (7nm)
CPU	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core)	Octa-core, 3 processors: 1x 3.2GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)
GPU graphical controller	Qualcomm Adreno 630 710Mhz	Qualcomm Adreno 650 (670MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
RAM memory	6GB LPDDR4X	8GB LPDDR4X
Internal storage	256GB (243GB available) UFS 2.1	128GB (104GB available) UFS 3.1
External storage	Not supported	Not supported
📶 Mobile networks
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (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	1024/150 Mbps	2000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) VoLTE	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Primary 5G network	Not supported	SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79)
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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE
Secondary data network	GPRS, EDGE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
Back camera (main camera)	(dual camera) 12 megapixels 12MP telephoto f/2.456mm1/3.4"1.0µmAF2x-optical-zoom	(quad camera) 50 megapixels 13MP telephoto f/2.452mm2x-optical-zoomPDAF 50MP ultrawide f/2.216mm110°1/1.56"1.0µmPDAF 3MP microscope f/3.0AFring-flash60x-zoom
Main camera resolution	4000x3000 pixels	8160x6120 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 60 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/2.55" inches	1/1.56" inches
Pixel size	1.4µm pixel	1µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	OIS: Optical stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	feature not registered	1080p@240fps Sony IMX766 sensor
📸 Front camera
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
Front camera (secondary)	20 megapixels	32 megapixels
Front camera resolution	5184x3840 pixels	6528x4896 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.4 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	1/3" inches	1/2.8" inches
Pixel size	1.8µm pixel	0.8µm pixel
🔉 Sound and multimedia
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
Loudspeaker	Supported	Stereo sound
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, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 3.1 Type-C, USB OTG On-The-Go
Audio output	Type-C jack with 3.5mm jack adapter	Type-C reversible connector
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.2 + 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/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3400 mAh	4500 mAh
Charger, watts	18W Wired fast charging Quick Charge 4+	65W Wired fast charging Reverse charging by cable USB Power Delivery 3.0
Inductive / wireless charging	Not supported	30W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (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: Black, Blue, White, Gold • MIUI 9.5 • Always-On Display • WiFi display	• Colors: Gloss Black, Blue, White
☢️ Radiation rate
	Xiaomi Mi 8 (256GB)	Oppo Find X3 (128GB)
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