Home Phone comparison OnePlus Ace 3 Pro and Xiaomi Redmi 15 4G - Which is better?

OnePlus Ace 3 Pro vs Xiaomi Redmi 15 4G

85 out 100
OnePlus Ace 3 Pro
VS
60 out 100
Xiaomi Redmi 15 4G
OnePlus Ace 3 Pro
Xiaomi Redmi 15 4G

Compared 2 smartphones : OnePlus Ace 3 Pro Manufactured in June, 2024, with display 6.78 with chipsetQualcomm Snapdragon 8 Gen 3, vs Xiaomi Redmi 15 4G, Manufactured in August, 2025with chipsetQualcomm Snapdragon 685. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose OnePlus Ace 3 Pro
  • Higher pixel density: 450ppi
  • Lighter design: 212g vs 224g
  • Newer Bluetooth version: 5.4 vs 5
  • Supports Dolby Atmos
Reasons to choose Xiaomi Redmi 15 4G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 6100mAh

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 16/256 GB
- 16/512 GB
- 24/1024 GB		 - 6/128 GB
- 8/256 GB

Review

Key Specs OnePlus Ace 3 Pro and Xiaomi Redmi 15 4G
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
OnePlus Ace 3 Pro
vs
Xiaomi Redmi 15 4G

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.78 in 6.9 in
Resolution 1264x2780 pixels 1080x2340 pixels
Aspect ratio 19.8:9 19.5:9
Pixel density 450 ppi 374 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 4500 nits n/a
HDR support Yes Dolby Vision No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 91 % 83.1 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 171.1 mm (6.74 in)
Width 75.27 mm (2.96 in) 82.1 mm (3.23 in)
Thickness 8.85 mm (0.35 in) 8.6 mm (0.34 in)
Weight 212 g (7.48 oz) 224 g (7.9 oz)
Water resistance IP65 IP64
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - White
- Gray
- Green		 - Black
- Gray
- Purple
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
OnePlus Ace 3 Pro
91 %
Xiaomi Redmi 15 4G
83.1 %

Performance

Testing OnePlus Ace 3 Pro and Xiaomi Redmi 15 4G In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Qualcomm Snapdragon 685
Max Frequency 3300 MHz 2800 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (4 + 4)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)		 - 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process TSMC TSMC
Transistor Size 4 nm 6 nm
Neural Processor Hexagon Hexagon 686
Graphics Adreno 750 Adreno 610
GPU Cores 1536 128
GPU Frequency 903-1000 MHz 1260 MHz
FLOPS 2774 GFLOPS 322.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus Ace 3 Pro
2195
Xiaomi Redmi 15 4G
475
Geekbench 6 (Multi-Core)
OnePlus Ace 3 Pro
6789
Xiaomi Redmi 15 4G
1514
Geekbench 6 (Single-Core)2195475
Geekbench 6 (Multi-Core)67891514
Geekbench Compute (GPU)16603n/a
Sources: Geekbench v6 [OnePlus Ace 3 Pro]
AnTuTu 10
AnTuTu 10
OnePlus Ace 3 Pro
2223244
Xiaomi Redmi 15 4G
380990
CPU485974114885
GPU90922157988
Memory463345103236
UX364704104881
NanoReview Score2223244380990
3DMark Wild Life
3DMark Wild Life
OnePlus Ace 3 Pro
15855
Xiaomi Redmi 15 4G
n/a
Sources: 3DMark [OnePlus Ace 3 Pro]
PCMark 3.0
PCMark 3.0
OnePlus Ace 3 Pro
15527
Xiaomi Redmi 15 4G
n/a
Writing score16743n/a
Web score13390n/a
Video editing6610n/a
Data manipulation15533n/a
NanoReview Score15527n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 24 GB		 6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4200 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		128 GB
Storage TypeUFS 4.0UFS 2.2
Memory CardNoMicroSD

Software

OS Android 14 Android 15
UI Skin ColorOS 14.1 HyperOS 2.0

Battery

Volume 6100 mAh 7000 mAh
Max Charging Power 100 W 33 W
Battery Type Li-Po n/a
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (52% in 16 min) Yes
Full Charge Time 0:38 h n/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels n/a
Zoom Digital Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 480 fps (720p) n/a
Wide-angle lens 112 ° n/a
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length24 mmn/a
SensorSony IMX890n/a
Sensor size1/1.56n/a
Pixel size1 μmn/a
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length16 mmn/a
SensorSony IMX355n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 16 MP 8 MP
Photo resolution 4608x3456 pixels n/a
Aperture f/2.4 f/2.0
Focal length 26 mm n/a
Sensor Samsung ISOCELL S5K3P9 n/a
Sensor size 1/3 n/a
Pixel size 1 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800MHzn/a
3G BandsWCDMA 1/4/5/8n/a
LTE Bands*LTE (B1/B3/B4/B5/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41/B66)n/a
LTE category20n/a
5G SupportYesNo

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No No
Dolby Atmos Yes n/a

Other

Class Flagship Budget
Announced June, 2024 yr August, 2025 yr
Release Date June, 2024 yr August, 2025 yr
Launch Price ($) 700 n/a
MSRP ($) n/a 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 150 W Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus Ace 3 Pro the clear winner in this comparison.

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