Asus Zenfone 12 Ultra vs OnePlus 15R

Compared 2 smartphones : Asus Zenfone 12 Ultra Manufactured in February, 2025, with display 6.78 with chipsetQualcomm Snapdragon 8 Elite, vs OnePlus 15R, Manufactured in January, 2025 with chipsetQualcomm Snapdragon 8 Gen 5. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Asus Zenfone 12 Ultra
  • Supports newer USB: 3.2 vs 2
  • Built-in eSIM
Reasons to choose OnePlus 15R
  • Larger display: 6.83in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Lighter design: 214g vs 220g
  • Higher battery capacity: 7400mAh vs 5500mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Infrared port

Versions

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

Review

Key Specs Asus Zenfone 12 Ultra and OnePlus 15R
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
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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
Smartphones:
vs

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.78 in 6.83 in
Resolution 1080x2400 pixels 1272x2800 pixels
Aspect ratio 20:9 19.5:9
Pixel density 388 ppi 450 ppi
Refresh rate 144 Hz 165 Hz
Adaptive refresh rate Yes Yes (60-120 Hz)
Max brightness 2500 nits 1800 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate n/a 300 Hz
Screen-to-body ratio 88 % 91 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Asus Zenfone 12 Ultra
1953 nits
OnePlus 15R
n/a

Design & Build

Design and ergonomics comparison
Height 163.8 mm (6.45 in) 163.41 mm (6.43 in)
Width 77 mm (3.03 in) 77.04 mm (3.03 in)
Thickness 8.9 mm (0.35 in) 8.3 mm (0.33 in)
Weight 220 g (7.76 oz) 214 g (7.55 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Green
- Yellow
- Black
- Green
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Asus Zenfone 12 Ultra
88 %
OnePlus 15R
91 %

Performance

Testing Asus Zenfone 12 Ultra and OnePlus 15R In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Gen 5
Max Frequency 4320 MHz 3840 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
6/3.32 ()
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 829
GPU Cores 1536 1024
GPU Frequency 1100 MHz 1200 MHz
FLOPS 3379.2 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Asus Zenfone 12 Ultra
3164
OnePlus 15R
2847
Geekbench 6 (Multi-Core)
Asus Zenfone 12 Ultra
9880
OnePlus 15R
9422
Geekbench 6 (Single-Core)31642847
Geekbench 6 (Multi-Core)98809422
Geekbench Compute (GPU)2632520796
AnTuTu 10
AnTuTu 10
Asus Zenfone 12 Ultra
2853794
OnePlus 15R
2969231
CPU610195954408
GPU1227773939113
Memory546153385833
UX469673689877
NanoReview Score28537942969231

Memory

RAM
RAM Size - 12 GB
- 16 GB
12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin n/a OxygenOS 16

Battery

Volume 5500 mAh 7400 mAh
Max Charging Power 65 W 80 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes Yes
Fast Charging Yes (77% in 30 min) Yes (60% in 20 min)
Full Charge Time 0:45 h n/a
Battery Life Test
Battery Life
Asus Zenfone 12 Ultra
21:58
OnePlus 15R
n/a
Web Browsing09:46 hn/a
Video Playback12:28 hn/a
Games07:02 hn/a
Standby Mode98 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3x Digital
Flash LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 480 fps (720p) 240 fps (1080p)
Wide-angle lens 120 ° 112 °
Lenses count Standard: 50 MP
Telephoto: 32 MP
Ultra-wide: 13 MP
Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length24 mm24 mm
SensorSony LYT-700Sony IMX906
Sensor size1/1.561/1.56 (0.64)
Pixel size1 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix32 MPn/a
Aperturef/2.4n/a
Focal length65 mmn/a
Sensor size1/3.2n/a
Pixel size0.7 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix13 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm16 mm
Sensorn/aOmnivision OV08D10
Sensor size1/3.01/4.0 (0.25)
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/2.5 f/2.0
Focal length 22 mm n/a
Sensor CMOS CMOS
Sensor size 1/3.2 n/a
Pixel size 0.7 μm n/a
Autofocus No n/a
Stabilization Digital Optical
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) 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 7 (802.11 a/b/g/n/ac/ax/be)
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 5.4 6.0
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
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 1900MHzGSM 850/900/1800/1900MHz
3G BandsWCDMA 800 / 850 / 900 / 1700 / 1900 / 2100MHzWCDMA 1/2/4/5/6/8/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B25/B26/B28/B32/B34/B38/B39/B40/B41/B42/B43/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B30/B32/B34/B38/B39/B40/B41/B42/B48/B66/B71)
LTE category20n/a
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced February, 2025 yr December, 2025 yr
Release Date February, 2025 yr January, 2025 yr
Launch Price ($) 999 n/a
MSRP ($) n/a 699
Sensors - Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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