Home Phone comparison OnePlus 12 and Xiaomi Redmi 15 5G - Which is better?

OnePlus 12 vs Xiaomi Redmi 15 5G

86 out 100
OnePlus 12
VS
61 out 100
Xiaomi Redmi 15 5G
OnePlus 12
Xiaomi Redmi 15 5G

Compared 2 smartphones : OnePlus 12 Manufactured in February, 2024, with display 6.82 with chipsetQualcomm Snapdragon 8 Gen 3, vs Xiaomi Redmi 15 5G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 6s Gen 3. 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 12
  • Higher pixel density: 510ppi
  • Lighter design: 220g vs 224g
  • Newer Bluetooth version: 5.4 vs 5.1
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Redmi 15 5G
  • Larger display: 6.9in
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 5400mAh

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB
- 24/1024 GB		 - 4/128 GB
- 6/128 GB
- 8/256 GB

Review

Key Specs OnePlus 12 and Xiaomi Redmi 15 5G
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 12
vs
Xiaomi Redmi 15 5G

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.82 in 6.9 in
Resolution 1440x3168 pixels 1080x2340 pixels
Aspect ratio 19.8:9 19.5:9
Pixel density 510 ppi 374 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 1600 nits n/a
HDR support Yes HDR10+ No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 91.3 % 83.1 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
OnePlus 12
1149 nits
Xiaomi Redmi 15 5G
n/a
sRGB gamut99.5 %n/a
Response time11 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [OnePlus 12]

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 171.1 mm (6.74 in)
Width 75.8 mm (2.98 in) 82.1 mm (3.23 in)
Thickness 9.15 mm (0.36 in) 8.6 mm (0.34 in)
Weight 220 g (7.76 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
- Black
- Green		 - Black
- Gray
- Green
Fingerprint sensor Yes In-Display Yes, In-Button
Screen-to-body ratio
OnePlus 12
91.3 %
Xiaomi Redmi 15 5G
83.1 %

Performance

Testing OnePlus 12 and Xiaomi Redmi 15 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Qualcomm Snapdragon 6s Gen 3
Max Frequency 3300 MHz 2300 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (2 + 6)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)		 - 6/2 (Cortex-A55)
- 2/2.3 (Cortex-A78)
Process TSMC TSMC
Transistor Size 4 nm 6 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 750 Adreno 619
GPU Cores 1536 256
GPU Frequency 903-1000 MHz 900 MHz
FLOPS 2774 GFLOPS 460.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 12
2314
Xiaomi Redmi 15 5G
935
Geekbench 6 (Multi-Core)
OnePlus 12
7063
Xiaomi Redmi 15 5G
2109
Geekbench 6 (Single-Core)2314935
Geekbench 6 (Multi-Core)70632109
Sources: Geekbench v6 [OnePlus 12]
AnTuTu 10
AnTuTu 10
OnePlus 12
1927806
Xiaomi Redmi 15 5G
473154
CPU375207153170
GPU82238791687
Memory38926199792
UX340951128505
NanoReview Score1927806473154
3DMark Wild Life
3DMark Wild Life
OnePlus 12
17208
Xiaomi Redmi 15 5G
n/a
Max Surface Temp.50.5 °Cn/a
Stability70 %n/a
Graphics Test103 fpsn/a
Graphics Score17208n/a
Sources: 3DMark [OnePlus 12]
PCMark 3.0
PCMark 3.0
OnePlus 12
13384
Xiaomi Redmi 15 5G
n/a
Writing score17540n/a
Web score12385n/a
Video editing6200n/a
Data manipulation13585n/a
NanoReview Score13384n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 24 GB		 4 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4266 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		128 GB
Storage TypeUFS 4.0UFS 2.2
Memory CardNoNo

Software

OS Android 14 (Upgradeable to Android 15) Android 15
OS Size 30 GB n/a
UI Skin OxygenOS 15 HyperOS 2.0

Battery

Volume 5400 mAh 7000 mAh
Max Charging Power 100 W 33 W
Battery Type Li-Po n/a
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (70% in 15 min) Yes
Full Charge Time 0:24 h n/a
Battery Life Test
Battery Life
OnePlus 12
28:16
Xiaomi Redmi 15 5G
n/a
Web Browsing13:10 hn/a
Video Playback18:49 hn/a
Games06:05 hn/a
Standby Mode114 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels n/a
Zoom Optical, 3x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (1080p) n/a
Wide-angle lens 114 ° n/a
Lenses count Standard: 50 MP
Telephoto: 64 MP
Ultra-wide: 48 MP		 Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix50 MP50 MP
Aperturef/1.6f/1.8
Focal length23 mmn/a
SensorSony LYT-T808n/a
Sensor size1/1.43n/a
Pixel size1.12 μmn/a
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix64 MPn/a
Aperturef/2.6n/a
Focal length70 mmn/a
SensorOmnivision OV64Bn/a
Sensor size1/2n/a
Pixel size0.7 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix48 MPn/a
Aperturef/2.2n/a
Focal length14 mmn/a
SensorSony IMX581n/a
Sensor size1/2n/a
Pixel size0.8 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 32 MP 8 MP
Photo resolution 6560x4928 pixels n/a
Aperture f/2.4 f/2.0
Focal length 21 mm n/a
Sensor Sony IMX615 n/a
Sensor size 1/2.74 n/a
Pixel size 0.8 μm n/a
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) 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) 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 5.1
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - 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 *YesNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzn/a
3G BandsWCDMA 1/2/4/5/6/8/19n/a
LTE Bands*LTE (B/B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B28B/B30/B32/B66/B71)n/a
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes n/a
Speaker Test
Max Volume
OnePlus 12
82.6 dB
Xiaomi Redmi 15 5G
n/a

Other

Class Flagship Mid-range
Announced December, 2023 yr August, 2025 yr
Release Date February, 2024 yr August, 2025 yr
Launch Price ($) 799 n/a
MSRP ($) n/a 230
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 100 W Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus 12 the clear winner in this comparison.

Survey

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Total Votes: 1

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