Home Phone comparison Xiaomi 12 and Oppo Reno 15 - Which is better?

Xiaomi 12 vs Oppo Reno 15

65 out 100
Xiaomi 12
VS
75 out 100
Oppo Reno 15
Xiaomi 12
Oppo Reno 15

Compared 2 smartphones : Xiaomi 12 Manufactured in December, 2021, with display 6.28 with chipsetQualcomm Snapdragon 8 Gen 1, vs Oppo Reno 15, Manufactured in January, 2026 with chipsetQualcomm Snapdragon 7 Gen 4. 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 Xiaomi 12
  • Lighter design: 180g vs 197g
  • Supports Dolby Atmos
Reasons to choose Oppo Reno 15
  • Larger display: 6.59in
  • Higher pixel density: 460ppi
  • Higher battery capacity: 6500mAh vs 4500mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Built-in eSIM

Versions

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

Review

Key Specs Xiaomi 12 and Oppo Reno 15
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:
Xiaomi 12
vs
Oppo Reno 15

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.28 in 6.59 in
Resolution 1080x2400 pixels 1256x2760 pixels
Aspect ratio 20:9 20:9
Pixel density 419 ppi 460 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (60-120 Hz)
Max brightness 500 nits 600 nits
HDR support Yes HDR10+ Yes, HDR10+
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 89.3 % 88.5 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi 12
887 nits
Oppo Reno 15
1312 nits

Design & Build

Design and ergonomics comparison
Height 152.7 mm (6.01 in) 158.3 mm (6.23 in)
Width 69.9 mm (2.75 in) 74.83 mm (2.95 in)
Thickness 8.16 mm (0.32 in) 7.77 mm (0.31 in)
Weight 180 g (6.35 oz) 197 g (6.95 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Blue
- Pink		 - White
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi 12
89.3 %
Oppo Reno 15
88.5 %

Performance

Testing Xiaomi 12 and Oppo Reno 15 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 1 Qualcomm Snapdragon 7 Gen 4
Max Frequency 3000 MHz 2800 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 4 + 3)
Architecture - 4/1.8 (Cortex-A510)
- 3/2.5 (Cortex-A710)
- 1/3 (Cortex-X2)		 - 3/1.84 (Kryo Silver (Cortex-520))
- 4/2.4 (Kryo Gold (Cortex-720))
- 1/2.8 (Kryo Prime (Cortex-720))
Process Samsung TSMC
Transistor Size 4 nm 4 nm
Neural Processor Hexagon Yes
Graphics Adreno 730 n/a
GPU Cores 1024 n/a
GPU Frequency 818 MHz n/a
FLOPS 1675.3 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi 12
1702
Oppo Reno 15
1270
Geekbench 6 (Multi-Core)
Xiaomi 12
3977
Oppo Reno 15
4106
Geekbench 6 (Single-Core)17021270
Geekbench 6 (Multi-Core)39774106
Sources: Geekbench v6 [Xiaomi 12], [Oppo Reno 15]
AnTuTu 10
AnTuTu 10
Xiaomi 12
1187033
Oppo Reno 15
1394716
CPU308025481018
GPU439066327987
Memory237645249030
UX212297336681
NanoReview Score11870331394716
3DMark Wild Life
3DMark Wild Life
Xiaomi 12
8751
Oppo Reno 15
n/a
Stability60 %n/a
Graphics Test52 fpsn/a
Graphics Score8751n/a
Sources: 3DMark [Xiaomi 12]
PCMark 3.0
PCMark 3.0
Xiaomi 12
12987
Oppo Reno 15
n/a
Writing score14840n/a
Web score11534n/a
Video editing7452n/a
Data manipulation9643n/a
NanoReview Score12987n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 8 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 3200 MHz n/a
Channels 4 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 3.1UFS 3.1
Memory CardNoNo

Software

OS Android 12 (Upgradeable to Android 14) Android 16
UI Skin HyperOS 1.0 ColorOS 16

Battery

Volume 4500 mAh 6500 mAh
Max Charging Power 67 W 80 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (87% in 30 min) Yes (68% in 30 min)
Full Charge Time 0:46 h 0:57 h
Battery Life Test
Battery Life
Xiaomi 12
15:58
Oppo Reno 15
29:05
Web Browsing06:17 h11:50 h
Video Playback10:46 h17:46 h
Games04:42 h06:35 h
Standby Mode71 h139 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Digital Optical, 3.5x
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 1920 fps (720p) 120 fps (1080p)
Wide-angle lens 123 ° 116 °
Lenses count Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length26 mm26 mm
SensorSony IMX766Sony LYT-600
Sensor size1/1.561/1.95 (0.51)
Pixel size1 μm0.8 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a85 mm
Sensorn/aSamsung ISOCELL JN5
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix13 MP8 MP
Aperturef/2.4f/2.2
Focal length12 mm15 mm
SensorOmniVision OV13B10OmniVision OV08D
Sensor size1/3.061/4.0 (0.25)
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Xiaomi 12
118
Oppo Reno 15
n/a
Video quality
Xiaomi 12
121
Oppo Reno 15
n/a
Overall camera score
Xiaomi 12
113
Oppo Reno 15
n/a
Bokeh55n/a
Preview69n/a
Zoom72n/a
Sources: DxOMark [Xiaomi 12]

Front camera

Matrix 32 MP 50 MP
Photo resolution 6528x4896 pixels 8192x6144 pixels
Aperture f/2.4 f/2.0
Focal length 26 mm 18 mm
Sensor OmniVision OV32B40 Samsung ISOCELL S5KJN5
Sensor size n/a 1/2.76 (0.36)
Pixel size 0.7 μm 0.64 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- 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 5.2 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
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 900 1800 1900 MHzGSM 850/900/1800/1900MHz
3G BandsWCDMA B1/2/4/5/6/8/19WCDMA 1/2/4/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B66/B71)
LTE category20n/a
5G SupportYesYes

Sound

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

Other

Class Flagship Mid-range
Announced December, 2021 yr January, 2026 yr
Release Date December, 2021 yr January, 2026 yr
Launch Price ($) 580 n/a
MSRP ($) n/a 549
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 67 W Yes, 80 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Oppo Reno 15 the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below