OnePlus Ace vs Xiaomi Redmi 9

OnePlus Ace

Xiaomi Redmi 9

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

GSM 850, 900, 1800, 1900
3G network

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
5G network

5G band 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA

-
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Glass front (Gorilla Glass 5), plastic frame

Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM

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

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

163.3 mm

163.3 mm
Width

75.5 mm

77 mm
Thickness

8.2 mm

9.1 mm
Weight

186 g

198 g
Colors

Black, Blue

Blue/Pink, Gray, Green, Purple

Display
Display type

OLED

IPS LCD capacitive touchscreen
Physical size

6.7 inches

6.53 inches
Resolution

1080 x 2412 pixels

1080 x 2340 pixels
Pixel density

394 ppi

395 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, Corning Gorilla Glass 5

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 3
Display features

1B colors, 120Hz, HDR10+, 500 nits (typ), 800 nits (HBM), 950 nits (peak)

-

Main camera
Camera type

Triple

Quad
Main camera

(wide) , 50 MP, f/1.9 , 24 mm, 1/1.56" , 1.0 µm

13 MP, f/2.2 , 28 mm, 1/3.1" , 1.12 µm
(ultrawide) , 8 MP, f/2.2 , 16 mm, 1/4.0" , 1.12 µm

8 MP, f/2.2 , 1/4.0" , 1.12 µm
88˚ , (macro) , 2 MP, f/2.4 , 21 mm, 1/5" , 1.75 µm

5 MP, f/2.4
2 MP, f/2.4
Primary camera resolution

8192 x 6144 pixels

4160 x 3120 pixels
Primary camera video

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

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital 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, phase detection autofocus, UIS, UIS Max

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

Selfie camera
Selfie camera type

Single

-
Selfie camera

(wide) , 16 MP, f/2.4 , 16 mm, 1/3.09" , 1.0 µm

8 MP, f/2.0 , 28 mm
Selfie camera resolution

4608 x 3456 pixels

3264 x 2448 pixels
Selfie camera features

HDR, panorama

-
Selfie camera video

1080p@30fps, gyro-EIS

1080p@30fps

Connectivity
WLAN

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

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

-
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

-

Yes
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

-

Yes
BDS

Yes

-

Features
Sensors

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

Accelerometer, compass, fingerprint, proximity

Battery
Battery type

Li-Po

Li-Po
Battery capacity

4500 mAh

5020 mAh
Battery removable

Non-removable

Non-removable
Fast battery charging

SuperVOOC, 150W (50% in 5 min)

Qualcomm Quick Charge 3.0
Wireless charging

Yes

-
Wireless reverse charging

Yes

-
DxOMark autonomy

-

55
DxOMark charging

-

51
DxOMark efficiency

-

55
DxOMark battery score

-

54

OnePlus Ace comparisons