OPPO Reno Ace vs Xiaomi Mi 9 Pro

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Comparing the OPPO Reno Ace vs Xiaomi Mi 9 Pro across performance, display, camera, battery and storage to help determine the better smartphone.

Here is the summary of the results:

Performance: Both OPPO Reno Ace and Xiaomi Mi 9 Pro run at the same processing speed of 2.96 GHz.


Display: OPPO Reno Ace offers a screen size of 6.53 inches, while Xiaomi Mi 9 Pro offers 6.39 inches, making OPPO Reno Ace the larger display of the two. Xiaomi Mi 9 Pro features a Super AMOLED display compared to OPPO Reno Ace's AMOLED, making Xiaomi Mi 9 Pro the better display of the two.


Rear Camera: Both OPPO Reno Ace and Xiaomi Mi 9 Pro feature a 48 MP primary rear camera.


Front Camera: Xiaomi Mi 9 Pro offers a higher front camera resolution with 20 MP, while OPPO Reno Ace offers 16 MP, making Xiaomi Mi 9 Pro better for front camera photography.


Battery: Both OPPO Reno Ace and Xiaomi Mi 9 Pro offer the same 4000 mAh battery capacity.


Storage: Both OPPO Reno Ace and Xiaomi Mi 9 Pro offer the same internal storage of 128 GB.

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OPPO Reno Ace
₹31,990
(Not Released in India)
Xiaomi Mi 9 Pro
₹36,890
(Not Released in India)
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Summary

Release Date

13 Jan, 2020
04 May, 2021
11 Jun, 2026

Performance

Snapdragon 855 Plus
Snapdragon 855 Plus
MediaTek Dimensity 8500 Extreme
Octa Core (upto 2.96 GHz)
Octa Core (upto 2.96 GHz)
Octa Core (upto 3.4 GHz)
8 GB RAM
8 GB RAM
12 GB RAM

Display

6.53 inches (16.59 cm)
6.39 inches (16.23 cm)
6.8 inches (17.27 cm)
AMOLED
Super AMOLED
Extreme AMOLED
1080x2400 px (FHD+)
1080x2280 px (FHD+)
1272x2772 px (FHD+)
90 Hz Refresh Rate
N/A
144 Hz Refresh Rate

Rear Camera

48 MP
Wide Angle Primary Camera
48 MP
Primary Camera
50 MP
Primary Camera
8 MP
Ultra-Wide Angle Camera
12 MP
Telephoto Camera (upto 2x Optical Zoom)
50 MP
Ultra-Wide Angle Macro Camera
13 MP
Telephoto Camera
16 MP
Ultra-Wide Angle Camera
50 MP
Telephoto Camera (upto 3.5x Optical Zoom)
2 MP
Depth Camera
N/A
N/A

Front Camera

16 MP
20 MP
50 MP

Battery

4000 mAh
4000 mAh
6500 mAh
VOOC Charging
Quick Charging
90W Turbo Power Charging
N/A
Wireless Charging
Wireless Charging

Storage

128 GB
128 GB
256 GB
N/A
N/A
UFS 4.1

Compare Prices

Not Available in any store
Not Available in any store
₹44,999

User Feedback

General

Launch Date

N/A
N/A
Jun 04, 2026
(Official)

Operating System

Android v9.0 (Pie)
Android v9.0 (Pie)
Android v16

OS Updates

N/A
N/A
3 Year

Security Updates

N/A
N/A
5 Year

Custom UI

ColorOS
MIUI
N/A

Performance

Performance Rating

Very Good
Very Good
Excellent

Chipset

Qualcomm Snapdragon 855 Plus
Qualcomm Snapdragon 855 Plus
MediaTek Dimensity 8500 Extreme

Processor

Octa core

2.96 GHz, Single core, Kryo 485 2.42 GHz, Tri core, Kryo 485 1.8 GHz, Quad core, Kryo 485
Octa core

2.96 GHz, Single core, Kryo 485 2.42 GHz, Tri core, Kryo 485 1.8 GHz, Quad core, Kryo 485
Octa core

3.4 GHz, Single core, Cortex A725 3.2 GHz, Tri core, Cortex A725 2.2 GHz, Quad core, Cortex A725

Architecture (The higher, the better)

64 bit
64 bit
64 bit

Fabrication (The lower, the better)

N/A
N/A
4 nm

Graphics (GPU)

Adreno 640
Adreno 640
Mali-G720 MP8

RAM

8 GB
8 GB
12 GB

RAM Type

LPDDR4X
LPDDR4X
LPDDR5X

Display

Display Rating

Excellent
Best In Class
Best In Class

Display Type

AMOLED
Super AMOLED
Extreme AMOLED

Screen Size

6.53 inches  (16.59 cm)
6.39 inches  (16.23 cm)
6.8 inches  (17.27 cm)

Resolution

1080x2400 px (FHD+)
1080x2280 px (FHD+)
1272x2772 px (FHD+)

Peak Brightness

N/A
N/A
5200 nits

HBM Brightness

N/A
N/A
1800 nits

Refresh Rate

90 Hz
N/A
144 Hz

Aspect Ratio

20:9
N/A
19.6:9

Pixel Density

403 ppi
395 ppi
450 ppi

Screen to Body Ratio (calculated)

84.47 %
86.48 %
96.8 %

Screen Protection

Corning Gorilla Glass v6
Corning Gorilla Glass v6
Corning Gorilla Glass Glass 7i

Bezel-less Display

Yes with waterdrop notch
Yes with waterdrop notch
Yes

HDR 10 / HDR+ Support

N/A
Yes
Yes HDR 10+

Screen to Body Ratio (claimed by the brand)

91.7 %
N/A
96.8 %

Design

Height

161 mm
157.2 mm
162.7 mm

Width

75.7 mm
74.6 mm
75.6 mm

Thickness

8.7 mm
8.9 mm
7.19 mm

Weight

200 grams
196 grams
190 grams

Build Material

N/A
N/A
Back: Plastic

Water Resistance

N/A
N/A
Yes Water resistant IP68 IP69

Ruggedness

N/A
N/A
Dust proof

Rear Camera

Rear Camera Rating

Very Good
Very Good
Excellent

Resolution

48 MP
Primary Camera2x Digital Zoomf/1.7 Wide Angle 79° field-of-view1/2.25" sensor size IMX586 Exmor-RS CMOS Sensor 0.8µm pixel size
48 MP
Primary Cameraf/1.751/2" sensor size IMX586 Exmor-RS CMOS Sensor 0.8µm pixel size
50 MP
Primary Cameraf/1.812 mm focal length LYT 710 2.0µm pixel size
8 MP
f/2.2 Ultra-Wide Angle Camera1/3.2" sensor size
12 MP
f/2.2 Telephoto Camera1/3.6" sensor size 1µm pixel size
50 MP
f/2.0 Ultra-Wide Angle Macro Camera12 mm focal length 1.28µm pixel size
13 MP
f/2.4 Telephoto Camera1/3.4" sensor size
16 MP
f/2.2 Ultra-Wide Angle Camera1/3" sensor size 1µm pixel size
50 MP
Telephoto Camera81 mm focal length 1.28µm pixel size
2 MP
Depth Camera
N/A
N/A

Autofocus

Yes Phase Detection Autofocus
Yes Phase Detection Autofocus Continuous Autofocus Laser Autofocus
Yes

OIS

Yes
Yes
Yes

Flash

Yes Dual LED Flash
Yes LED Flash
Yes LED Flash

Image Resolution

8000 x 6000 Pixels
8000 x 6000 Pixels
N/A

Settings

Exposure compensation ISO control
ISO control
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
Continuous Shooting
High Dynamic Range mode (HDR)
Macro Mode

Camera Features

Auto Flash
Face detection
Touch to focus
Digital Zoom
Auto Flash
Face detection
Touch to focus
Digital Zoom
Optical Zoom
Face detection
Filters
Smile detection

Video Recording

3840x2160 @ 30 fps
1920x1080 @ 60 fps
N/A
4k @30/60 fps
Full HD @30/60/120/240 fps

Video Recording Features

N/A
N/A
Dual Video Recording
Slow Motion
Video HDR
Macro Video
Audio Zoom

Front Camera

Front Camera Rating

Very Good
Very Good
Best In Class

Resolution

16 MP
f/2.0 Primary Camera
20 MP
f/2.0 Primary Camera0.9µm pixel size
50 MP
f/1.9 Primary Camera1.28µm pixel size

Autofocus

N/A
N/A
Yes

Flash

N/A
Yes Screen flash
Yes Screen flash

Video Recording

N/A
N/A
4k @30/60 fps
Full HD @30/60 fps

Battery

Battery Rating

Excellent
Excellent
Excellent

Capacity

4000 mAh
4000 mAh
6500 mAh

Battery Type

Li-ion
Li-ion
Silicon Carbon

Quick Charging

Yes VOOC Charging
Yes Quick Charging v4.0
Yes 90W Turbo Power Charging

Wireless Charging

N/A
Yes
Yes 15W Wireless Charging

Wireless Reverse Charging

N/A
N/A
N/A

Reverse Charging

N/A
N/A
Yes 5W Wired Reverse Charging

Storage

Internal Storage

128 GB
128 GB
256 GB

Storage Type

N/A
N/A
UFS 4.1

Expandable Storage

No
No
No

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano
SIM1: Nano SIM2: Nano

Network Support

5G Not Supported 4G
5G 4G
5G 4G

VoLTE

Yes
Yes
No

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
5G Bands:
TDD N41 / N78 / N79
5G Bands:
FDD N1 / N2 / N3 / N5 / N8 / N12 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17)
4G Bands:
TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 3500(band 42)
FD-LTE 1700(band 66) / 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
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SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17)
5G Bands:
FDD N1 / N2 / N3 / N5 / N8 / N12 / N20 / N25 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78
N/A
N/A
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 3500(band 42) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 12) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 1700(band 66)
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Wi-Fi

Yes Wi-Fi 5 (802.11 b/g/n/ac) MIMO
Yes Wi-Fi 5 (802.11 a/b/g/n/ac) MIMO
Yes Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 6GHz

Wi-Fi Features

Mobile Hotspot
Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v5.0
Yes v5.0
Yes v5.4

GPS

Yes with A-GPS Glonass
Yes with A-GPS Glonass
Yes with A-GPS Glonass

NFC

Yes
Yes
Yes

IR Blaster

N/A
N/A
No

Multimedia

Stereo Speakers

N/A
N/A
Yes

Audio Jack

3.5 mm
USB Type-C
USB Type-C

Audio Features

Dolby Atmos
N/A
Dolby Atmos

Sensors

Fingerprint Sensor

Yes
Yes
Yes

Fingerprint Sensor Position

On-screen
On-screen
On-screen

Fingerprint Sensor Type

Optical
Optical
Optical

Other Sensors

Light sensor Proximity sensor Accelerometer Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope

Compare Prices

Not Available in any store
Not Available in any store
₹44,999