Xiaomi Redmi 15 5G vs OnePlus Ace 6

Compared 2 smartphones : Xiaomi Redmi 15 5G Manufactured in August, 2025, with display 6.9 with chipsetQualcomm Snapdragon 6s Gen 3, vs OnePlus Ace 6, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi 15 5G
  • Larger display: 6.9in
  • Includes charger
Reasons to choose OnePlus Ace 6
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Lighter design: 213g vs 224g
  • Higher battery capacity: 7800mAh vs 7000mAh
  • Newer Bluetooth version: 5.4 vs 5.1

Versions

Available versions and configurations
Memory Options - 4/128 GB
- 6/128 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Redmi 15 5G and OnePlus Ace 6
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.
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.9 in 6.83 in
Resolution 1080x2340 pixels 1272x2800 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 374 ppi 450 ppi
Refresh rate 144 Hz 165 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness n/a 800 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 300 Hz
Screen-to-body ratio 83.1 % 91 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 171.1 mm (6.74 in) 163.4 mm (6.43 in)
Width 82.1 mm (3.23 in) 77 mm (3.03 in)
Thickness 8.6 mm (0.34 in) 8.3 mm (0.33 in)
Weight 224 g (7.9 oz) 213 g (7.51 oz)
Water resistance IP64 IP69
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Gray
- Green
- White
- Black
- Silver
Fingerprint sensor Yes, In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi 15 5G
83.1 %
OnePlus Ace 6
91 %

Performance

Testing Xiaomi Redmi 15 5G and OnePlus Ace 6 In benchmarks
Processor
Chipset Qualcomm Snapdragon 6s Gen 3 Qualcomm Snapdragon 8 Elite
Max Frequency 2300 MHz 4320 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/2 (Cortex-A55)
- 2/2.3 (Cortex-A78)
- 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 6 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 619 Adreno 830
GPU Cores 256 1536
GPU Frequency 900 MHz 1100 MHz
FLOPS 460.8 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi 15 5G
935
OnePlus Ace 6
3160
Geekbench 6 (Multi-Core)
Xiaomi Redmi 15 5G
2109
OnePlus Ace 6
9736
Geekbench 6 (Single-Core)9353160
Geekbench 6 (Multi-Core)21099736
AnTuTu 10
AnTuTu 10
Xiaomi Redmi 15 5G
473154
OnePlus Ace 6
3114604
CPU153170856857
GPU916871148661
Memory99792455327
UX128505653759
NanoReview Score4731543114604

Memory

RAM
RAM Size 4 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin HyperOS 2.0 ColorOS 16

Battery

Volume 7000 mAh 7800 mAh
Max Charging Power 33 W 120 W
Battery Type n/a Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes Yes (58% in 20 min)
Full Charge Time n/a 0:44 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 240 fps (1080p)
Wide-angle lens n/a 112 °
Lenses count Standard: 50 MP
Depth
Standard: 50 MP
Ultra-wide: 8 MP
Features Bokeh effect - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal lengthn/a24 mm
Sensorn/aSony LYTIA-T808
Sensor sizen/a1/1.43
Pixel sizen/a1.12 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a16 mm
Sensorn/aOmnivision OV08D10
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 16 MP
Photo resolution n/a 4608x3456 pixels
Aperture f/2.0 f/2.4
Focal length n/a 23 mm
Sensor n/a Sony IMX480
Sensor size n/a 1/3.09
Pixel size n/a 1 μm
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 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.1 5.4
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 n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
5G SupportYesYes

Sound

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

Other

Class Mid-range Flagship
Announced August, 2025 yr October, 2025 yr
Release Date August, 2025 yr October, 2025 yr
MSRP ($) 230 n/a
Sensors - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 33 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus Ace 6 the clear winner in this comparison.

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