Samsung Galaxy S9 Plus 128GB vs OPPO Reno15 Pro Mini

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Comparing the Samsung Galaxy S9 Plus 128GB vs OPPO Reno15 Pro Mini across performance, display, camera, battery, storage, expert reviews and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Samsung Galaxy S9 Plus 128GB scores higher on the Geekbench Multi-Core test with 9,141, while OPPO Reno15 Pro Mini scores 6,216, making Samsung Galaxy S9 Plus 128GB the better performer.


Display: OPPO Reno15 Pro Mini offers a screen size of 6.32 inches, while Samsung Galaxy S9 Plus 128GB offers 6.2 inches, making OPPO Reno15 Pro Mini the larger display of the two. Samsung Galaxy S9 Plus 128GB features a Super AMOLED display compared to OPPO Reno15 Pro Mini's AMOLED, making Samsung Galaxy S9 Plus 128GB the better display of the two.


Rear Camera: OPPO Reno15 Pro Mini offers a higher rear camera resolution with 200 MP, while Samsung Galaxy S9 Plus 128GB offers 12 MP, making OPPO Reno15 Pro Mini better for rear camera photography.


Front Camera: OPPO Reno15 Pro Mini offers a higher front camera resolution with 50 MP, while Samsung Galaxy S9 Plus 128GB offers 8 MP, making OPPO Reno15 Pro Mini better for front camera photography.


Battery: OPPO Reno15 Pro Mini offers a higher battery capacity with 6200 mAh, while Samsung Galaxy S9 Plus 128GB offers 3500 mAh, making OPPO Reno15 Pro Mini better for longer battery life.


Storage: OPPO Reno15 Pro Mini offers higher internal storage with 256 GB, while Samsung Galaxy S9 Plus 128GB offers 128 GB, making OPPO Reno15 Pro Mini the better option for storage.


Expert Review: Samsung Galaxy S9 Plus 128GB receives a higher expert rating of 9 from the editorial team, while OPPO Reno15 Pro Mini is rated 8.2.


User Rating: Samsung Galaxy S9 Plus 128GB and OPPO Reno15 Pro Mini both receive the same user rating of 4.5.

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✕
Samsung Galaxy S9 Plus 128GB
₹71,179
(Discontinued)
✕
OPPO Reno15 Pro Mini
₹59,999
@ Croma
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Summary

Spec Score

81%
91%

Release Date

28 Mar, 2018
13 Jan, 2026

Performance

Samsung Exynos 9 Octa 9810
MediaTek Dimensity 8450
Octa Core (upto 2.7 GHz)
Octa Core (upto 3.25 GHz)
6 GB RAM
12 GB RAM

Display

6.2 inches (15.75 cm)
6.32 inches (16.05 cm)
Super AMOLED
AMOLED
1440x2960 px (QHD+)
1216x2640 px (FHD+)
N/A
120 Hz Refresh Rate

Rear Camera

12 MP
Wide Angle Primary Camera
200 MP
Wide Angle Primary Camera (upto 3.5x Optical Zoom)
12 MP
Telephoto Camera (upto 2x Optical Zoom)
50 MP
Ultra-Wide Angle Camera
N/A
50 MP
Telephoto Camera (upto 3.5x Optical Zoom)

Front Camera

8 MP
Wide Angle Lens
50 MP
Ultra-Wide Angle Lens

Battery

3500 mAh
6200 mAh
Fast Charging
80W Super Charging
Wireless Charging
No Wireless Charging

Storage

128 GB
256 GB
UFS 2.1
UFS 3.1

Expert Review

9.0/10
8.2/10

Pros

  • Gorgeous design and display
  • Fantastic camera, even in low light
  • Powerful performance
  • Features such as 3.5mm port and dual-SIM support
  • Compact, premium in-hand feel
  • Bright, sharp AMOLED display
  • Reliable all-day battery life
  • Long software update promise

Cons

  • Intelligent scan isn’t fast enough
  • AR Emojis are barely useful
  • Average battery life
  • Processor is weaker than its rivals
  • Cluttered software out of the box
  • Charging is slower than competitors

User Ratings

4.5/5
(39,205 ratings)
4.5/5
(1,223 ratings)

Benchmarks (The higher, the better)

248,237
AnTuTu Score
2,141,052
AnTuTu Score
N/A
9h 54m
Battery Life (PC Mark)

Compare Prices

Not Available in any store
₹59,999
@ Croma

Video

Videos
4 More Videos
There are no videos available for the device.

User Feedback

General

Launch Date

N/A
Jan 08, 2026
(Official)

Operating System

Android v8.0 (Oreo)
Android v16

OS Updates

N/A
5 Years

Security Updates

N/A
6 Years

Custom UI

N/A
ColorOS

Performance

Performance Rating

Good
Very Good

Chipset

Samsung Exynos 9 Octa 9810
MediaTek Dimensity 8450
View Details

Processor

Octa core

2.7 GHz, Quad core, M2 Mongoose 1.7 GHz, Quad core, Cortex A53
Octa core

3.25 GHz, Single core, Cortex A725 3 GHz, Tri core, Cortex A725 2.1 GHz, Quad core, Cortex A725

Architecture (The higher, the better)

64 bit
64 bit

Fabrication (The lower, the better)

10 nm
4 nm

Graphics (GPU)

Mali-G72 MP18
Mali-G720 MC7

RAM

6 GB
12 GB

RAM Type

LPDDR4X
LPDDR5X

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

248,237
2,141,052

Bootup Time (The lower, the better)

N/A
18.0 s

Gaming Test Results

Battery Drain* (The lower, the better)

N/A
6.0 %

Heating* (The lower, the better)

N/A
18.2 %
* after 30 mins of gaming

Display

Display Rating

Best In Class
Excellent

Display Type

Super AMOLED (Curved Display)
AMOLED

Screen Size

6.2 inches  (15.75 cm)
6.32 inches  (16.05 cm)

Resolution

1440x2960 px (QHD+)
1216x2640 px (FHD+)

Peak Brightness

N/A
3600 nits

HBM Brightness

N/A
1800 nits

Refresh Rate

N/A
120 Hz

Touch Sampling Rate

N/A
240 Hz

Aspect Ratio

18.5:9
20:9

Pixel Density

531 ppi
460 ppi

Screen to Body Ratio (calculated)

83.99 %
89.34 %

Screen Protection

Corning Gorilla Glass v5
Corning Gorilla Glass 7i

Bezel-less Display

Yes
Yes with punch-hole display

Screen to Body Ratio (claimed by the brand)

N/A
93.35 %

Design

Height

158.1 mm
151.21 mm

Width

73.8 mm
72.42 mm

Thickness

8.5 mm
7.99 mm

Weight

189 grams
187 grams

Build Material

Frame: Aluminium
Back: Gorilla Glass
Back: Aluminium Glass

Water Resistance

Yes Water resistant IP68 (up to 30 minutes in a depth of 1.5 meter)
Yes Water resistant IP68 IP66 IP69

Ruggedness

Dust proof
Dust proof

Rear Camera

Rear Camera Rating

Very Good
Excellent

Resolution

12 MP
Primary Cameraf/1.5 Wide Angle26 mm focal length 1/2.55" sensor size S5K2L3 CMOS image sensor ISOCELL Plus 1.4µm pixel size
200 MP
Primary Camera18x Digital Zoom 3.5x Optical Zoomf/1.8 Wide Angle 84° field-of-view24 mm focal length 1/1.56" sensor size S5KHP5 0.5µm pixel size
12 MP
f/2.4 Telephoto Camera52 mm focal length 1/3.6" sensor size 1µm pixel size
50 MP
f/2.0 Ultra-Wide Angle Camera16 mm focal length
N/A
50 MP
f/2.8 Telephoto Camera80 mm focal length 1/2.76" sensor size 1µm pixel size

Autofocus

Yes Phase Detection Autofocus Dual Pixel Autofocus
Yes Phase Detection Autofocus

OIS

Yes
Yes

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

4000 x 3000 Pixels
N/A

Settings

Exposure compensation
N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)
Cinema Mode

Camera Features

Auto Flash
Face detection
Simultaneous HD video and image recording
Touch to focus
18 x Digital Zoom
3.5 x Optical Zoom

Video Recording

3840x2160 @ 60 fps
1920x1080 @ 60 fps
1280x720 @ 30 fps
4k @30/60 fps
Full HD @30/60/120/480 fps
HD @30/240/960 fps

Video Recording Features

N/A
Video HDR

Front Camera

Front Camera Rating

Very Good
Excellent

Resolution

8 MP
f/1.7 Wide Angle Primary Camera25 mm focal length 1.22µm pixel size
50 MP
f/2.0 Ultra-Wide Angle Primary Camera1/2.76" sensor size 1µm pixel size

Autofocus

Yes
Yes

Flash

N/A
Yes Screen flash

Camera Features

Wide Angle Selfie
N/A

Video Recording

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

Compare Camera Samples

Battery

Battery Rating

Very Good
Very Good

Capacity

3500 mAh
6200 mAh

Battery Type

Li-ion
N/A

TalkTime

Up to 25 Hours(3G)
N/A

Quick Charging

Yes Fast Charging
Yes 80W Super Charging 100% in 53 minutes

Wireless Charging

Yes
N/A

Reverse Charging

N/A
Yes

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

N/A
9h 54m

Charging Time (20% to 100%) (The lower, the better)

N/A
54m

Storage

Internal Storage

64 GB / 128 GB / 256 GB
256 GB / 512 GB

Storage Type

UFS 2.1
UFS 3.1

Expandable Storage

Yes Up to 400 GB
No

Network & Connectivity

SIM Slot(s)

Dual SIM
Dual SIM

SIM Type

SIM1: Nano SIM2: Nano (Hybrid)
SIM1: Nano SIM2: Nano

Network Support

5G Not Supported 4G
5G 4G

VoLTE

Yes
Yes

SIM 1

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
5G Bands:
FDD N1 / N3 / N5 / N8 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78
4G Speed:
200 Mbit/s ↑ 1200 Mbit/s ↓ (LTE category 18)
4G Bands:
TD-LTE 3500(band 48) / 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) / 3500(band 42)
FD-LTE 1700(band 66) / 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 19) / 850(band 26)
View More

SIM 2

4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)
5G Bands:
FDD N1 / N3 / N5 / N8 / N26 / N28 / N66
TDD N38 / N40 / N41 / N48 / N77 / N78
4G Speed:
200 Mbit/s ↑ 1200 Mbit/s ↓ (LTE category 18)
4G Bands:
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) / 3500(band 42) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 19) / 850(band 26) / 1700(band 66)
View More

SAR Value

N/A
Head: 1.184 W/kg Body: 0.852 W/kg

Wi-Fi

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

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot
Mobile Hotspot

Bluetooth

Yes v5.0
Yes v5.4

GPS

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

NFC

Yes
No

Stylus

Yes
N/A

IR Blaster

N/A
Yes

Multimedia

Stereo Speakers

N/A
Yes

Audio Jack

3.5 mm
USB Type-C

Audio Features

Dolby Atmos
N/A

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Rear
On-screen

Fingerprint Sensor Type

N/A
Optical

IRIS Scanner

Yes
N/A

Other Sensors

Light sensor Proximity sensor rgbw sensor Accelerometer Barometer Compass Gyroscope
Light sensor Proximity sensor Accelerometer Compass Gyroscope

Compare Prices

Not Available in any store
₹59,999
@ Croma