OnePlus Ace 3 vs Xiaomi Mix Fold 3

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
4G network

LTE frequency band 1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 34, 38, 39, 40, 41, 42
5G network

5G band 1, 3, 5, 8, 28, 41, 77, 78 SA/NSA

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

11.52 Mbps

5.76 Mbps
EV-DO speed

EV-DO 2.4 Mbps download, 0.15 Mbps upload

-
LTE speed

LTE-A (CA)

LTE-A (CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass Victus 2), glass back, aluminum frame

Glass front (folded), plastic front (unfolded), glass back or aramid fiber back, aluminum frame
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, dual stand-by)
Height

163.3 mm

161.2 mm
Width

75.3 mm

73.5 mm
Thickness

8.8 mm

10.9 mm
Height unfolded

-

161.2 mm
Width unfolded

-

143.3 mm
Thickness unfolded

-

5.3 mm
Weight

207 g

255/259 g
Colors

Black, Blue, Rose Gold

Black, Gold

Display
Display type

LTPO AMOLED

Foldable LTPO OLED+
Physical size

6.78 inches

8.03 inches
Resolution

1264 x 2780 pixels

1916 x 2160 pixels
Pixel density

450 ppi

360 ppi
Display colors

1073741824

1073741824
Protection

Corning Gorilla Glass Victus 2

UTG glass, Corning Gorilla Glass Victus 2
Display features

120Hz, HDR10+, Dolby Vision, 1600 nits (HBM), 4500 nits (peak)

120Hz, HDR10+, Dolby Vision, 1300 nits (peak)
Cover display

-

AMOLED
Cover display physical size

-

6.56 inches
Cover display resolution

-

1080 x 2520 pixels
Cover display features

-

120Hz, HDR10+, Dolby Vision, 2600 nits (peak)

Hardware
CPU

Octa-core

Octa-core
CPU

Single-core 3.2 GHz Cortex-X3

Single-core 3.36 GHz Cortex-X3
CPU(second)

dual-core 2.8 GHz Cortex-A715

dual-core 2.8 GHz Cortex-A715
CPU(third)

Dual-core 2.8 GHz Cortex-A710

Dual-core 2.8 GHz Cortex-A710
CPU(fourth)

Triple-core 2.0 GHz Cortex-A510

Triple-core 2.0 GHz Cortex-A510
Chipset

Qualcomm SM8550-AB Snapdragon 8 Gen 2

Qualcomm SM8550-AC Snapdragon 8 Gen 2
GPU

Adreno 740

Adreno 740
Memory RAM

12, 16 GB

12, 16 GB
Internal storage

256, 512, 1024 GB

256, 512, 1024 GB
Memory card

No

No
Storage

UFS 4.0

UFS 4.0

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 50 MP, f/1.8 , 24 mm, 1/1.56" , 1.0 µm, 20x digital zoom

(wide) , 50 MP, f/1.8 , 23 mm, 1/1.49" , 1.0 µm
(ultrawide) , 8 MP, f/2.2 , 112˚ , 16 mm, 1/4.0" , 1.12 µm

(telephoto) , 10 MP, f/2.0 , 75 mm, 3.2x optical zoom
(macro) , 2 MP, f/2.4

(telephoto) , 10 MP, f/2.9 , 115 mm, 5x optical zoom
(ultrawide) , 12 MP, f/2.2 , 120˚ , 15 mm
Primary camera resolution

8190 x 6144 pixels

8190 x 6120 pixels
Primary camera video

4K@30/60fps, 1080p@30/60/120/240fps, gyro-EIS, OIS

8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960/1920fps, Dolby Vision HDR
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus, proXDR

Autofocus, continuous autofocus, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, Dolby Vision, Leica Native Dual Quality, super night 2.0

Selfie camera
Selfie camera type

Single

Single
Selfie camera

(wide) , 16 MP, f/2.4 , 26 mm, 1/3" , 1.0 µm

(wide) , 20 MP, f/2.3 , 23 mm
Selfie camera resolution

4608 x 3456 pixels

-
Selfie camera features

Face unlock, HDR

Face unlock, HDR, Dolby Vision
Selfie camera video

1080p@30fps

1080p@30/60fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 802.11be

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax, 802.11be
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 3.2
Bluetooth

v5.3

v5.3
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

-
Infrared

-

Yes
NFC

Yes, eSE, HCE

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

Yes
BDS

Yes

Yes
QZSS

Yes

Yes
NavIC

-

Yes

Features
Sensors

Accelerometer, color spectrum, compass, fingerprint, gyroscope, proximity

Accelerometer, barometer, compass, color spectrum, fingerprint, gyroscope, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

5500 mAh

4800 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 100W (100% in 27 min)

Quick Charge 4, 67W (100% in 40 min)
Fast wireless charging

-

Yes, 50W (100% in 55 min)