Home Phone comparison Asus Zenfone 12 Ultra and Realme GT 8 Pro (China) - Which is better?

Asus Zenfone 12 Ultra vs Realme GT 8 Pro (China)

85 out 100
Asus Zenfone 12 Ultra
VS
95 out 100
Realme GT 8 Pro (China)
Asus Zenfone 12 Ultra
Realme GT 8 Pro (China)

Compared 2 smartphones : Asus Zenfone 12 Ultra Manufactured in February, 2025, with display 6.78 with chipsetQualcomm Snapdragon 8 Elite, vs Realme GT 8 Pro (China), Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. 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
  • Supports newer USB: 3.2 vs 2
  • Built-in eSIM
Reasons to choose Realme GT 8 Pro (China)
  • Larger display: 6.79in
  • Higher pixel density: 508ppi
  • Lighter design: 214g vs 220g
  • Higher battery capacity: 7000mAh vs 5500mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Asus Zenfone 12 Ultra and Realme GT 8 Pro (China)
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:
Zenfone 12 Ultra
vs
GT 8 Pro (China)

Display

Display quality comparison
Type AMOLED OLED
Size 6.78 in 6.79 in
Resolution 1080x2400 pixels 1440x3136 pixels
Aspect ratio 20:9 19.5:9
Pixel density 388 ppi 508 ppi
Refresh rate 144 Hz 144 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max brightness 2500 nits 2000 nits
HDR support Yes HDR10+ Yes, Dolby Vision
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
Realme GT 8 Pro (China)
n/a

Design & Build

Design and ergonomics comparison
Height 163.8 mm (6.45 in) 161.8 mm (6.37 in)
Width 77 mm (3.03 in) 76.87 mm (3.03 in)
Thickness 8.9 mm (0.35 in) 8.2 mm (0.32 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 n/a
Frame Metal Metal
Colors - White
- Black
- Green
- Yellow		 - White
- Blue
- Green
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Asus Zenfone 12 Ultra
88 %
Realme GT 8 Pro (China)
91 %

Performance

Testing Asus Zenfone 12 Ultra and Realme GT 8 Pro (China) In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4320 MHz 4600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 6/3.63 ()
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 840
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1200 MHz
FLOPS 3379.2 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Asus Zenfone 12 Ultra
3164
Realme GT 8 Pro (China)
3210
Geekbench 6 (Multi-Core)
Asus Zenfone 12 Ultra
9880
Realme GT 8 Pro (China)
9677
Geekbench 6 (Single-Core)31643210
Geekbench 6 (Multi-Core)98809677
Geekbench Compute (GPU)26325n/a
Sources: Geekbench v6 [Asus Zenfone 12 Ultra]
AnTuTu 10
AnTuTu 10
Asus Zenfone 12 Ultra
2853794
Realme GT 8 Pro (China)
4007194
CPU6101951173438
GPU12277731475754
Memory546153486517
UX469673871485
NanoReview Score28537944007194

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 Realme UI 7.0

Battery

Volume 5500 mAh 7000 mAh
Max Charging Power 65 W 120 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) Yes (50 W)
Reverse Charging Yes n/a
Fast Charging Yes (77% in 30 min) Yes (50% in 15 min)
Full Charge Time 0:45 h 0:37 h
Battery Life Test
Battery Life
Asus Zenfone 12 Ultra
21:58
Realme GT 8 Pro (China)
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 Optical, 3x
Flash LED Dual 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 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
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.9
Focal length24 mm22 mm
SensorSony LYT-700n/a
Sensor size1/1.561/1.56
Pixel size1 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix32 MP200 MP
Aperturef/2.4f/2.6
Focal length65 mm65 mm
Sensor size1/3.2n/a
Pixel size0.7 μmn/a
StabilizationOpticalDigital
Ultra-wide lens
Matrix13 MP50 MP
Aperturef/2.2f/2.0
Focal length13 mm16 mm
Sensor size1/3.01/2.88
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/2.5 f/2.4
Focal length 22 mm 24 mm
Sensor CMOS CMOS
Sensor size 1/3.2 n/a
Pixel size 0.7 μm n/a
Autofocus No n/a
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 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
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
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 850/900/1800MHz
3G BandsWCDMA 800 / 850 / 900 / 1700 / 1900 / 2100MHzWCDMA 1/4/5/6/8/19
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/B3/B4/B5/B8/B18/B19/B20/B26/B28/B34/B38/B39/B40/B41/B42/B48/B66)
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 October, 2025 yr
Release Date February, 2025 yr October, 2025 yr
Launch Price ($) 999 n/a
MSRP ($) n/a 560
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, 120 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Realme GT 8 Pro (China) 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