Home Phone comparison Asus Zenfone 12 Ultra and Asus ROG Phone 9 - Which is better?

Asus Zenfone 12 Ultra vs Asus ROG Phone 9

85 out 100
Asus Zenfone 12 Ultra
VS
86 out 100
Asus ROG Phone 9
Asus Zenfone 12 Ultra
Asus ROG Phone 9

Compared 2 smartphones : Asus Zenfone 12 Ultra Manufactured in February, 2025, with display 6.78 with chipsetQualcomm Snapdragon 8 Elite, vs Asus ROG Phone 9, Manufactured in November, 2024with chipsetQualcomm Snapdragon 8 Elite. 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 Asus Zenfone 12 Ultra
  • Lighter design: 220g vs 227g
  • Built-in eSIM
Reasons to choose Asus ROG Phone 9
  • Higher refresh rate: 185Hz
  • Higher battery capacity: 5800mAh vs 5500mAh
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Includes charger

Versions

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

Review

Key Specs Asus Zenfone 12 Ultra and Asus ROG Phone 9
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
Smartphones:
Zenfone 12 Ultra
vs
Asus ROG Phone 9

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.78 in 6.78 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 388 ppi 388 ppi
Refresh rate 144 Hz 185 Hz
Adaptive refresh rate Yes Yes (24-120 Hz)
Max brightness 2500 nits 2500 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate n/a 720 Hz
Screen-to-body ratio 88 % 88 %
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
Asus ROG Phone 9
n/a

Design & Build

Design and ergonomics comparison
Height 163.8 mm (6.45 in) 163.8 mm (6.45 in)
Width 77 mm (3.03 in) 77 mm (3.03 in)
Thickness 8.9 mm (0.35 in) 8.9 mm (0.35 in)
Weight 220 g (7.76 oz) 227 g (8.01 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Green
- Yellow		 - White
- Black
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Asus Zenfone 12 Ultra
88 %
Asus ROG Phone 9
88 %

Performance

Testing Asus Zenfone 12 Ultra and Asus ROG Phone 9 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite
Max Frequency 4320 MHz 4320 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 830
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1100 MHz
FLOPS 3379.2 GFLOPS 3379.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Asus Zenfone 12 Ultra
3164
Asus ROG Phone 9
3198
Geekbench 6 (Multi-Core)
Asus Zenfone 12 Ultra
9880
Asus ROG Phone 9
10052
Geekbench 6 (Single-Core)31643198
Geekbench 6 (Multi-Core)988010052
Geekbench Compute (GPU)26325n/a
Sources: Geekbench v6 [Asus Zenfone 12 Ultra]
AnTuTu 10
AnTuTu 10
Asus Zenfone 12 Ultra
2853794
Asus ROG Phone 9
2814193
CPU610195623847
GPU12277731205291
Memory546153471211
UX469673513844
NanoReview Score28537942814193

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 12 GB
- 16 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz n/a
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB		- 256 GB
- 512 GB
Storage TypeUFS 4.0UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 15
UI Skin n/a ROG UI

Battery

Volume 5500 mAh 5800 mAh
Max Charging Power 65 W 65 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging Yes (15 W) Yes (15 W)
Reverse Charging Yes Yes
Fast Charging Yes (77% in 30 min) Yes (76% in 30 min)
Full Charge Time 0:45 h 0:47 h
Battery Life Test
Battery Life
Asus Zenfone 12 Ultra
21:58
Asus ROG Phone 9
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 LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
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 480 fps (720p) 120 fps (2160p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 32 MP
Ultra-wide: 13 MP		 Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.9
Focal length24 mm24 mm
SensorSony LYT-700Sony Lytia LYT-700C
Sensor size1/1.561/1.56
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 MP13 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
Sensorn/aOmnivision OV13B10
Sensor size1/3.01/3.06
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/2.5
Focal length 22 mm 22 mm
Sensor CMOS Omnivision OV32C
Sensor size 1/3.2 1/3.2
Pixel size 0.7 μm 7 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 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 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes DP 1.4
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port No No
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 850 / 900 / 1700 / 1800 / 1900 / 2100MHz
LTE category2018
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack Yes Yes
FM Radio No No
Dolby Atmos No Yes

Other

Class Flagship Flagship
Announced February, 2025 yr November, 2024 yr
Release Date February, 2025 yr November, 2024 yr
Launch Price ($) 999 999
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 Yes 65 W

Note

Asus ROG Phone 9:

The prograable Mini-LED matrixhas 85 points, while the ROG Phone 9 Pro has 648.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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