Xiaomi Mi Mix 4 vs OnePlus Open 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 4 OnePlus Open
Released · Aug 16, 2021
Released · Oct 26, 2023
6.7-inch · 2400x1080px
7.8-inch · 2268x2440px
Triple camera
Triple camera
8GB · 128GB
16GB · 512GB
4500 mAh
4805 mAh
Check prices
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Availability

Officially announced
Aug 10, 2021 Oct 19, 2023
Prices (MSRP)
$1699

Design

Dimensions
6.40 x 2.97 x 0.31 inches
162.6 x 75.4 x 8 mm
6.04 x 5.63 x 0.23 inches
153.4 x 143.1 x 5.8 mm
Folded
(153.4 x 73.3 x 11.7 mm)
Weight
7.94 oz / 225.0 g 8.43 oz / 239.0 g
Materials
Back: Ceramic
Frame: Aluminum
Resistance
Splash, Dust; IP53 Yes; IPX4
Biometrics
Optical in-screen fingerprint Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key
Colors
Ceramic Black, Ceramic White, Shadow Gray

Display

Size
6.7-inch, 87.59% screen-to-body 7.8-inch, 89.68% screen-to-body
Type
AMOLED, 120Hz, HDR AMOLED, 120Hz, HDR, 2800 nits
Resolution
2400x1080px, 20:9 ratio, 395 PPI 2268x2440px, 1.07:1 ratio, 426 PPI
Protection
Corning Gorilla Glass Victus
Features
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
PhoneArena Display Test
Bright Max (20% APL)
Untested 1516 (Good)
Bright Min
Untested 1.9 (Good)

Hardware

System chip
Snapdragon 888+ SM8350-AC (5 nm) Snapdragon 8 Gen 2 SM8550 (4 nm)
Processor
Octa-core
Kryo 680 Prime
Octa-core
1x3.2GHz Kryo Prime
4x2.8GHz Kryo Gold
3x2.0GHz Kryo Silve
GPU
Adreno 660 Adreno 740
Memory
8GB (LPDDR5)/128GB (UFS 3.1)
8GB/256GB
12GB/256GB
12GB/512GB
16GB/512GB (UFS 4.0)
Storage expansion
not expandable not expandable
OS
Android (11) Android (13)
PhoneArena Performance Test
GeekBench 6 Single
Untested 1560
GeekBench 6 Multi
Untested 5093
3D Mark High
Untested 3634
3D Mark Low
Untested 2488

Battery

Type
4500 mAh, Li - Ion 4805 mAh
Charging
Fast charging
Qi wireless charging, Reverse wireless charging
Fast charging
Reverse wired charging
Charge speed
Wired: 120.0W
Wireless: 50.0W
Wired: 67.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
5h 35min
Browsing
13h 20min
Video
7h 22min
Gaming
8h 51min

Camera

Rear
Triple camera Triple camera
Main camera
108 MP (OIS, Laser and PDAF)
Aperture size: F1.9
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
48 MP (OIS, PDAF)
Aperture size: F1.7
Focal length: 24 mm
Pixel size: 1.12 μm
Second camera
13 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/3.06"
Pixel size: 1.12 μm
48 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 14 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
Third camera
8 MP (Periscope, OIS, PDAF)
Optical zoom: 5.0x
64 MP (Telephoto, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.6
Focal Length: 70 mm
Sensor size: 1/2"
Pixel size: 0.7 μm
Flash
Dual LED LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (480 fps), 720p (480 fps)
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking
4K UHD (60 fps), 1080p (240 fps)
Front
20 MP (Under-screen)
Video capture: 1080p (30 fps)
32 MP
Folded: 20 MP
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
144
Overall
150
Photo
138
Video

Connectivity & Features

Bluetooth
5.2 5.3
WLAN
Wi-Fi 6
MIMO, 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
802.11 b, g, n, ac, ax, ad
USB
Type-C, USB 2.0 Type-C, USB 3.1
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC NFC

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers

Cellular

5G Bands
n1, n3, n5, n8, n28, n41, n77, n78, n79, SA, NSA, Sub-6 n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n30, n38, n40, n41, n66, n71, n75, n77, n78, SA, NSA, Sub-6
LTE Bands
1, 2, 3, 4, 5, 8, 12, 17, 18, 19, 20, 26, 28 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66, 71
TDD Bands
34, 38, 39, 40, 41, 42 38, 39, 40, 41, 46, 48
3G Bands
1, 2, 4, 5, 6, 8, 19 1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Dual Nano SIM
HD Voice
Yes
VoLTE
Yes

Alternative variants

With 256GB internal storage
Memory 256GB
With 12GB RAM and 256GB internal storage
Memory 12GB/256GB
With 12GB RAM and 512GB internal storage
Memory 12GB/512GB
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