VersusScout
99 facts in comparison
Asus Zenfone 12 Ultra vs Asus ROG Phone 9 FE
This comparison puts the Asus Zenfone 12 Ultra and Asus ROG Phone 9 FE side by side — two smartphones measured against the same 99-spec sheet, with every meaningful gap scored and explained. On our weighted VS Score the Asus Zenfone 12 Ultra finishes ahead, 89 to 87 — a narrow edge.
The single biggest measurable gap is RAM: 12 GB vs 16 GB. A transparency note before you dive in: the spec sheets are Asus Zenfone 12 Ultra 81% and Asus ROG Phone 9 FE 79% complete. Anything unverified shows as Unknown and is left out of the scores — we never estimate a missing value.
Where the Asus Zenfone 12 Ultra beats the Asus ROG Phone 9 FE
- 5 g less weight ?220 g vs 225 g
- 1.02 GHz more CPU clock speed ?4.32 GHz vs 3.3 GHz
- 1 nm less fabrication process ?3 nm vs 4 nm
- 760,072 more AnTuTu benchmark ?3,247,013 vs 2,486,941
- 2,677 more Geekbench multi-core ?9,880 vs 7,203
- 862 more Geekbench single-core ?3,164 vs 2,302
- 100 MHz more GPU clock speed ?1,100 MHz vs 1,000 MHz
- Has eSIM ?
Where the Asus ROG Phone 9 FE beats the Asus Zenfone 12 Ultra
- 0.2 mm less width ?76.8 mm vs 77 mm
- 41 Hz more refresh rate ?185 Hz vs 144 Hz
- 0.2 % more screen-to-body ratio ?88.2 % vs 88 %
- 4 GB more RAM ?16 GB vs 12 GB
- 4 MB more L3 cache ?12 MB vs 8 MB
- Has BeiDou ?
- Has USB OTG ?
Key real-world differences
The spec sheet pulls in both directions. These are the gaps big enough to shape the decision — with the actual figures, and what each one means in real-world use.
- RAMPerformance12 GB vs 16 GB — 25% more for the Asus ROG Phone 9 FE
More RAM keeps more apps running smoothly at once.
- eSIMConnectivityYes vs No — only the Asus Zenfone 12 Ultra has it
Supports a built-in digital SIM alongside or instead of a physical one.
- AnTuTu benchmarkPerformance3,247,013 vs 2,486,941 — 23% more for the Asus Zenfone 12 Ultra
A synthetic score estimating overall performance.
Benchmarks approximate raw speed under ideal conditions; day-to-day responsiveness also depends on software tuning and cooling.
- Refresh rateDisplay144 Hz vs 185 Hz — 22% more for the Asus ROG Phone 9 FE
A higher refresh rate produces smoother motion and scrolling.
The step from 60 to 120 Hz is obvious; differences above 120 Hz are far subtler in everyday use.
- Satellite navigationConnectivityGPS, GLONASS, Galileo, QZSS vs GPS, GLONASS, Galileo, BeiDou, QZSS — advantage Asus ROG Phone 9 FE
The satellite positioning systems the device can use; more means faster, more accurate location.
Which one should you buy?
There is no single answer — it depends on what you will actually use it for. Match your priority to the pick below.
- Best for display Asus ROG Phone 9 FE takes the category 100 to 71 — driven by refresh rate (144 Hz vs 185 Hz).
- Best for performance Asus Zenfone 12 Ultra takes the category 79 to 53.
- Best for design Asus Zenfone 12 Ultra takes the category 92 to 69 — driven by weight (220 g vs 225 g).
- The safe all-rounder Asus Zenfone 12 Ultra wins more of the categories that carry real weight, topping the overall VS Score at 89.
Where each one falls short
Asus Zenfone 12 Ultra
- RAM: 12 GB vs 16 GB
- Refresh rate: 144 Hz vs 185 Hz
- Satellite navigation: GPS, GLONASS, Galileo, QZSS vs GPS, GLONASS, Galileo, BeiDou, QZSS
- 19 specs are unreported (shown as Unknown) and excluded from its scores.
Asus ROG Phone 9 FE
- eSIM: Yes vs No
- AnTuTu benchmark: 3,247,013 vs 2,486,941
- CPU clock speed: 4.32 GHz vs 3.3 GHz
- 21 specs are unreported (shown as Unknown) and excluded from its scores.
What matters to you?
Drag the sliders to weight each category and re-rank the products to suit your priorities.
Score breakdown
How the VS Score works — and what it can’t tell you
Every measurable spec is scored relative to this matchup: the best value here earns 100%, the worst 0%, and everything between scales linearly. Each spec then counts according to an editorial weight that reflects real-world impact — a battery-capacity gap moves the score far more than a colour-options list. The category scores above are the weighted results inside each group, and the overall VS Score rolls all of them together; the evidence line under each category names the specs that actually decided it.
Unknown values are never estimated. A spec a product doesn’t report simply drops out of that product’s scoring — it isn’t penalised with a guess — and a spec only one side reports can never produce a “win”. The trade-off is honest but real: a thinner spec sheet means a score built on fewer data points, which is why the completeness figures are disclosed under About this data.
Most importantly: a spec-sheet lead is not the same as a better product. Megapixels, gigahertz and benchmark points describe capacity, not experience — image processing, software optimisation, thermals, haptics and ergonomics decide how a device actually feels, and no table captures reliability or long-term support quality. Treat the scores as a structured summary of what can be measured, read the caveats under each key difference, and use the weight tuner to re-rank the comparison by what matters to you.
Design
A lighter device is more comfortable to hold and carry for long periods.
A thinner device is easier to hold and slip into a pocket.
A narrower phone is easier to use one-handed.
The vertical dimension of the device.
The primary frame and back materials of the device.
The device is protected against dust and submersion in water.
Reinforced glass (e.g. Gorilla Glass) resists scratches and cracks.
The device works with an active stylus pen.
The colour options the phone is sold in.
Display
A larger screen is better for media and multitasking.
The vertical pixel count; higher means a sharper image.
More pixels per inch produce crisper text and images.
A higher refresh rate produces smoother motion and scrolling.
How often the screen registers touches; higher feels more responsive.
Higher peak brightness is easier to read in direct sunlight.
A higher ratio means slimmer bezels and a more immersive front.
The underlying panel technology (e.g. LTPO AMOLED).
The proportional relationship between screen width and height.
OLED panels offer deeper blacks and better contrast than LCD.
Displays a wider range of colours and brightness in supported content.
Shows time and notifications while the screen is idle.
The reinforced glass protecting the screen (e.g. Gorilla Glass Victus 2).
The ratio between the brightest white and darkest black.
How many bits encode each colour; more means smoother gradients.
Supports Dolby Vision HDR for richer, scene-by-scene colour and contrast.
Higher PWM dimming frequency is easier on the eyes at low brightness.
Performance
The system-on-chip that powers the device.
The graphics processor handling games and visuals.
More RAM keeps more apps running smoothly at once.
More storage holds more apps, photos and files.
The storage standard (e.g. UFS 4.0); newer is faster.
A higher clock speed generally means faster processing.
More cores help with multitasking and demanding apps.
A smaller process is more power-efficient and runs cooler.
A synthetic score estimating overall performance.
Multi-core CPU benchmark score; higher is faster.
Single-core CPU benchmark score; higher is faster.
A GPU/graphics benchmark score; higher is faster.
The memory standard (e.g. LPDDR5X); newer is faster.
A higher graphics clock generally means faster gaming performance.
More last-level cache can improve processor efficiency.
Storage can be expanded with a memory card.
Battery
A larger battery generally lasts longer between charges.
Higher wattage charges the battery faster over a cable.
Higher wattage charges the battery faster wirelessly.
How long a full charge takes; lower is better.
The phone can wirelessly charge other devices.
Newer silicon-carbon cells pack more capacity into the same space.
The battery chemistry (e.g. Li-Po, Li-Ion).
The battery can be removed or replaced by the user.
Rated hours of voice calls on a charge.
Rated hours of idle standby on a charge.
Cameras
A higher megapixel count can capture more detail.
A lower f-number lets in more light for better low-light shots.
A larger sensor captures more light and detail.
The model of the main camera sensor (e.g. Samsung ISOCELL HP2).
Captures a wider field of view for landscapes and groups.
Enables closer, higher-quality zoom shots.
A higher resolution front camera improves selfies and video calls.
Magnifies subjects without losing detail.
OIS compensates for hand shake for sharper photos and steadier video.
The highest video resolution the device can record.
Captures ultra-high-resolution 8K footage.
A higher frame rate enables smoother slow-motion clips.
Saves unprocessed photos for more editing flexibility.
How many rear camera modules the phone has.
A lower f-number lets in more light for selfies.
The front camera can record 4K video.
Larger pixels capture more light for better low-light shots.
Connectivity
Connects to faster 5G mobile networks.
How many physical SIM cards the device accepts.
Supports a built-in digital SIM alongside or instead of a physical one.
Supports faster, more efficient Wi-Fi 6 networks.
Supports the latest, fastest Wi-Fi 7 standard.
A newer Bluetooth version improves range and efficiency.
Enables contactless payments and quick pairing.
A reversible, widely compatible charging and data port.
The USB data-transfer standard of the port; later is faster.
The satellite positioning systems the device can use; more means faster, more accurate location.
Enables precise spatial location for tracking and digital car keys.
Has a built-in FM radio receiver.
An IR blaster to control TVs and appliances.
Connect USB drives and accessories directly to the phone.
Radiofrequency energy absorbed by the head; lower is better.
Radiofrequency energy absorbed by the body; lower is better.
Audio
Two speakers deliver richer, more immersive sound.
Lets you use wired headphones without an adapter.
Adds spatial, three-dimensional audio in supported content.
Plays back high-resolution audio above CD quality.
Security & software
Unlock with a fingerprint sensor built into the screen.
Unlock the device by scanning your face.
How many years of OS upgrades the maker promises.
Send messages via satellite when off the mobile grid.
The software platform the device runs.
Sensors
Detects motion and orientation for auto-rotate and steps.
Senses rotation for gaming, photography and VR.
A magnetometer for navigation and maps.
Measures air pressure for altitude and weather.
Turns the screen off during calls when held to the ear.
About this data
- Specifications are compiled from each manufacturer’s official spec sheet, cross-checked against trusted specification databases, and normalised into one schema so identical things are compared identically.
- Specifications last verified July 30, 2026.
- Data completeness: Asus Zenfone 12 Ultra 81% and Asus ROG Phone 9 FE 79% of the 99 specs in this category. Anything we could not verify is shown as Unknown — never estimated — and is excluded from all scores.
- Prices and availability come from live retailer feeds via our shopping partners and refresh throughout the day; a missing price means no partner currently lists the product, not that it is discontinued.
- Want the full picture? Our editorial guidelines explain how we research products, weight the scores and stay independent.
- Spotted an error in a spec? Tell us and we will correct the sheet.
What reviewers say
The bottom line
The Asus Zenfone 12 Ultra just edges ahead, scoring 89 to 87 on our VS Score. It leads on Design and Performance. The Asus ROG Phone 9 FE answers back with stronger Display. Pick the Asus Zenfone 12 Ultra unless Display matters most to you — then the Asus ROG Phone 9 FE is the smarter buy.
Latest comparisons
vs
vs
vs
vs
vs
vs
vsvs
vs
vs
vsvs
