OnePlus Open vs Xiaomi Mi Mix Fold 4 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

6.6
OnePlus Open	Xiaomi Mi Mix Fold 4
Released · Oct 26, 2023	Released · Jul 19, 2024
7.8-inch · 2268 x 2440 px	8.0-inch · 2488 x 2224 px
48 MP Main · 32 MP Selfie	50 MP Main · 16 MP Selfie
16GB · 512GB	12GB · 256GB
4805 mAh	5100 mAh
Check prices

Display

Size
7.8-inch	8.0-inch
Resolution
2268 x 2440 px, 1.07:1 ratio, 426 PPI	2488 x 2224 px, 418 PPI
Technology
AMOLED	AMOLED
Refresh rate
120Hz	120Hz
Screen-to-body
89.68 %	86.01 %
Peak brightness
2800 cd/m2 (nit)	3000 cd/m2 (nit)
Features
Folding inside the device, HDR support, Ambient light sensor, Proximity sensor	Folding inside the device, HDR support, Ambient light sensor, Proximity sensor
Front cover display
6.3 inches 2484 x1116 px AMOLED 120Hz refresh rate, HDR support	6.6 inches 2520 x1080 px AMOLED 120Hz refresh rate, HDR support

Hardware

System chip
Qualcomm Snapdragon 8 Gen 2 SM8550 (4 nm)	Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm)
Processor
Octa-core, 1x 3.2GHz Kryo Prime + 4x 2.8GHz Kryo Gold + 3x 2.0GHz Kryo Silver	Octa-core, 1x 3.3GHz Cortex-X4 + 3x 3.2GHz Cortex-A720 + 2x 3.0GHz Cortex-A720 + 2x 2.3GHz Cortex-A520
GPU
Adreno 740	Adreno 750
RAM
16GB	12GB
Internal storage
512GB (UFS 4.0), not expandable	256GB (UFS 4.0), not expandable
OS
Android (13)	Android (14)
Device type
Smartphone	Smartphone

Battery

Capacity
4805 mAh	5100 mAh
Type
Not user replaceable	Not user replaceable
Charging
Fast charging, Reverse wired charging	Fast charging, Qi wireless charging
Max charge speed
Wired: 67.0W	Wired: 67.0W Wireless: 50.0W

Battery Life Estimate

5h 35min

Browsing

13h 20min

Video

7h 22min

Gaming

8h 51min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Camera

Rear
Triple camera	Quad camera
Main camera
48 MP (OIS, PDAF) Specifications: Aperture size: F1.7 Focal length: 24 mm Pixel size: 1.12 μm	50 MP (OIS, Laser and PDAF) Specifications: Aperture size: F1.7 Focal length: 23 mm Sensor size: 1/1.49" Pixel size: 1.0 μm
Second camera
64 MP (Telephoto, OIS, PDAF) Specifications: Optical zoom: 3.0x Aperture size: F2.6 Focal Length: 70 mm Sensor size: 1/2" Pixel size: 0.7 μm	50 MP (Telephoto, PDAF) Specifications: Optical zoom: 2.0x Aperture size: F2.0 Focal Length: 47 mm
Third camera
48 MP (Ultra-wide, PDAF) Specifications: Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/2" Pixel size: 0.8 μm	10 MP (Telephoto, Periscope, OIS) Specifications: Optical zoom: 5.0x Aperture size: F2.9 Focal Length: 115 mm
Fourth camera
	12 MP (Ultra-wide) Specifications: Aperture size: F2.2 Focal Length: 15 mm
Flash
LED	LED
Video recording
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps)	7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (960 fps)
Front
32 MP Folded: 20 MP	16 MP Folded: 16 MP

144

Overall

150

Photo

138

Video

N/A

Overall

N/A

Photo

N/A

Video

Design

Dimensions
6.04 x 5.63 x 0.23 inches (153.4 x 143.1 x 5.8 mm)	6.28 x 5.64 x 0.18 inches (159.4 x 143.3 x 4.6 mm)
Folded
(153.4 x 73.3 x 11.7 mm)	(159.4 x 73.1 x 9.5 mm)
Weight
8.43 oz(239.0 g)	7.97 oz(226.0 g)
Materials
	Back: Glass Frame: Aluminum
Resistance
Yes; IPX4	Yes; IPX8
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
	Right: Volume control, Lock/Unlock key
Colors
	Black, White, Blue

Cellular

5G
Bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n30, n38, n40, n41, n66, n71, n75, n77, n78, SA, NSA, Sub-6	Bands n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, n79, SA, NSA
4G (FDD)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 32(1500 L-band), 66(AWS-3), 71(600)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)	Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 42(3500)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800)
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
	Yes
SIM type
Dual Nano SIM	Dual Nano SIM

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Additional microphone(s)
Noise cancellation	Noise cancellation

Connectivity & Features

Bluetooth
5.3	5.4
Wi-Fi
802.11 b,g,n,ac,ax(Wi-Fi 6),ad,Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot	802.11 a,b,g,n,ac,ax(Wi-Fi 6),Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.1, Features: Charging	Type-C (reversible), USB 3.2, Features: Charging, OTG
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass, Barometer
Other
NFC	NFC, Infrared

Buyers information

MSRP
$ 1699	€ 1140

Availability

Officially announced
Oct 19, 2023

Alternative variants

With 16 GB RAM and 512GB internal storage.


RAM	16GB
Internal storage	512GB

With 16GB RAM and 1TB internal storage


RAM	16GB
Internal storage	1024GB

Links

Full specifications
OnePlus Open Specs	Xiaomi Mi Mix Fold 4 Specs
PhoneArena Review
OnePlus Open Review