Xiaomi Mix 4 (512GB) vs Oppo Find X (128GB)

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Side by side comparison between Xiaomi Mix 4 vs Oppo Find X phones, differences, pros, cons and full specifications. What's the better?

12/14/2022 7:20 PM, updated: 6/9/2025 11:20 PM

Compare Oppo Find X X Xiaomi Mix 4 (512GB) 29Points

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

108
MP

20mp

12GB
RAM

Octa-core

4500
mAh

(Non removable)

04Points Oppo Find X (128GB) Compare Xiaomi Mix 4 X

Specifications Compare Models Pictures

6.42"
AMOLED

1080x2340

16
MP

25mp

8GB
RAM

Octa-core

3730
mAh

(Non removable)

What's the better phone? Xiaomi Mix 4 (512GB)

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!

29 Advantages Xiaomi Mix 4 (512GB)	vs	4 Advantages Oppo Find X (128GB)
+3GHz 64bit Octa-core (5nm)9% More powerful processor, you can open your applications faster	vs	2.8GHz 64bit Octa-core (10nm)
+12GB LPDDR550% More RAM memory. Typically more responsive and better for multitasking.	vs	8GB LPDDR4X
+512GB (464GB available)3 times More internal storage for applications and files	vs	128GB (110GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	UFS 2.1
+8 millimeters (0.31 inches)18% Thinner	vs	9.4 millimeters (0.37 inches)
+Aluminum body, glass front, ceramic backAdvantage More resistant material	vs	Aluminum frame, glass front/back
+Dolby Vision/HDR10+Advantage The Dolby Vision/HDR10+ display provides vibrant colors and more details	vs	Not supported
+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1 billion62 times More colors on the screen is better quality images and videos	vs	16 million
+1080x2400 pixels3% Higher resolution screen	vs	1080x2340 pixels
+6.67"4% Larger screen	vs	6.42"
+(triple camera) 108MP + 13MP + 8MP3 times Higher resolution main camera	vs	(dual camera) 16MP + 20MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+1/1.33" inches95% The larger sensor camera lets you take photos with better depth.	vs	1/2.6" inches
+f/1.9 (aperture)5% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.0 (aperture)
+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera	vs	4K UHD (3840x2160)
+Android 13Advantage Android 13 is newer and safer	vs	Android 10
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 2000 Mbps95% Faster for surfing the internet and download files	vs	(4G LTE-A) 1024 Mbps
+Fingerprint sensor (under display)Advantage Sensors help you use the device	vs	Not supported
+Heart rateAdvantage Sensors help you use the device	vs	Not supported
+UWB (Ultra Wideband)Advantage Sensors help you use the device	vs	Not supported
+4500 mAh21% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3730 mAh
+120W5 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.	vs	20W
+Qi wireless chargingAdvantage Wireless charging is another way to charge the battery.	vs	Not supported
+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls	vs	Mono sound (not stereo)
+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
+IP53 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
225 grams (7.88 ounces)	vs	+186 grams (6.51 ounces)21% Lighter
395 PPI	vs	+401 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(front) 20MP	vs	+(front) 25MP25% Higher resolution secondary camera to take pictures and selfies
Face unlock 2D	vs	+Face unlock 3DAdvantage Sensors help you use the device

26 Common items in both devices

AMOLED

Dual-LED flash

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

OIS: Optical stabilization

BSI sensor

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

(front) Full HD (1920x1080)

+19 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 Mix 4 (512GB)	Oppo Find X (128GB)
Change model		Choose the model
Model	Mix 4 (512GB)	Find X (128GB)
Other model names	小米MIX 4 2106118C (12GB RAM)	BBK Oppo Find X PAFM00, PAFT00
Country or region available	(Global, International)	(Global, International), China, Hong Kong
Brand	Xiaomi	Oppo
Release date	8/16/2021, Announced: 8/10/2021	7/1/2018
Depth	8 millimeters (0.31 inches)	9.4 millimeters (0.37 inches)
Size (width x height)	75.35 x 162.65 millimeters (2.97 x 6.4 in)	74.2 x 156.7 millimeters (2.92 x 6.17 in)
Weight	225 grams (7.88 ounces)	186 grams (6.51 ounces)
Build, materials	Aluminum body, glass front, ceramic back	Aluminum frame, glass front/back Back: Gorilla Glass 5
Protection against water and others	IP53 certified: protection against dust and splashing	Not supported
📲 Display
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
Display type	AMOLED	AMOLED
Screen size	6.67" inches	6.42" inches
Screen-to-body ratio	~87.6% (screen-to-body ratio)	~87% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	395 PPI	401 PPI
Colors	1 billion	16 million
Scratch-resistant glass	Gorilla Glass Victus	Gorilla Glass 5
Refresh rate	120Hz	60Hz
Display features	Dolby Vision/HDR10+ Touch Sampling Rate: 480Hz	Not supported
🤖 Operating System
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
System version	Android 11	Android 8.1 Oreo
Firmware update	Android 13	Android 10
User Interface	MIUI 12.5 / 13	ColorOS 5.1 / 7.0
⚙️ Processor
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
Chipset	64bit: Qualcomm Snapdragon 888+ (SM8350-AC) (5nm)	64bit: Qualcomm Snapdragon 845 (SDM845) (10nm)
CPU	Octa-core, 3 processors: 1x 3GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)	Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core)
GPU graphical controller	Qualcomm Adreno 660 (840MHz)	Qualcomm Adreno 630 (710MHz)
Performance (benchmark)	AnTuTu: 798010 (v9)	feature not registered
💽 Memory and storage
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
RAM memory	12GB LPDDR5	8GB LPDDR4X
Internal storage	512GB (464GB available) UFS 3.1	128GB (110GB available) UFS 2.1
External storage	Not supported	Not supported
📶 Mobile networks
	Xiaomi Mix 4 (512GB)	Oppo Find X (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	2000/1024 Mbps	1024/150 Mbps
Network technology	2G, 3G, 4G, 5G	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 1xEV-DO UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE	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)
Primary 5G network	SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 77, 78, 79)	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	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	UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	GPRS, EDGE
📷 Camera
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
Back camera (main camera)	(triple camera) 108 megapixels 13MP ultrawide f/2.212mm123°1/3.06"1.12µm 8MP periscope telephoto f/4.1120mmPDAFOIS5x-optical-zoom	(dual camera) 16 megapixels 20MP f/2.01/2.8"1.0µm
Main camera resolution	12000x9000 pixels	4608x3456 pixels
Video recording (primary)	8K UHD (7680x4320) 24 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	Dual-LED flash
Focal aperture	f/1.9 (aperture)	f/2.0 (aperture)
Focal length	24mm (lens)	feature not registered
Sensor size	1/1.33" inches	1/2.6" inches
Pixel size	0.8µm pixel	1.22µm pixel
Autofocus	LDAF/PDAF: laser/phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: 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	Supported	Supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	4K@30/60fps 1080p@30/60/120/480fps	feature not registered
📸 Front camera
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
Front camera (secondary)	20 megapixels	25 megapixels *Motorized pop-up camera (slider)
Front camera resolution	5184x3840 pixels	5760x4320 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/3.4 (aperture)	f/2.0 (aperture)
Focal length	27mm (lens)	feature not registered
Sensor size	1/0.8" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
🔉 Sound and multimedia
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
Loudspeaker	Stereo sound 24-bit/192kHz Tuned by Harman Kardon	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones
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, DivX, XviD
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, OGG, eAAC+, FLAC
🔌 Connectivity
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 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	5.2 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Supported	Not supported
🧭 Sensors
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Heart rate Proximity sensor UWB (Ultra Wideband)	Accelerometer Ambient light sensor Compass Face unlock 3D Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	4500 mAh	3730 mAh
Charger, watts	120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0	20W Wired fast charging VOOC 3.0
Inductive / wireless charging	50W Qi wireless charging 10W Reverse wireless charging	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Xiaomi Mix 4 (512GB)	Oppo Find X (128GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Ceramic Black, Ceramic White, Shadow Gray • Silicone case included • Screen protector included	• Colors: Bordeaux Red, Glacier Blue
☢️ Radiation rate
	Xiaomi Mix 4 (512GB)	Oppo Find X (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