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Asus Zenfone 12 Ultra vs Vivo X300 Ultra

What Zenfone 12 Ultra does better (6) and where X300 Ultra wins (19) — every spec side by side.

Asus Zenfone 12 Ultra
Asus · 2025Zenfone 12 Ultra
9.4Score
6 advantages≈ $2,700
vs
Vivo X300 Ultra
Vivo · 2026X300 Ultra
9.7Score
19 advantages≈ $2,150
Higher score
8.8Display9.6
9.3Performance9.5
9.4Camera9.8
8.3Battery9.3
8.4Features9.7
Dimensions

Size comparison

Zenfone 12 UltraX300 Ultra
77 × 163.88.976.8 × 1638.2
Zenfone 12 UltraX300 UltraDifference
Height163.8 mm163 mm+0.8 mm
Width77 mm76.8 mm+0.2 mm
Thickness8.9 mm8.2 mm+0.7 mm
Weight220 g232 g−12 g

Drawn to the same scale from the official dimensions (front and side).

Why is Zenfone 12 Ultra better than X300 Ultra?

  1. 3.5 mm headphone jackYes · X300 Ultra: No
  2. Energy classA vs B
  3. Weight220 g vs 232 g+5%
  4. Rear cameras3 vs 2+50%
  5. Charged in 30 min77% vs 66%+17%
  6. Endurance per cycle61 h vs 57 h+7%

Why is X300 Ultra better than Zenfone 12 Ultra?

  1. Main camera50 MP vs 200 MP4×
  2. Wired charging65 W vs 100 W+54%
  3. Storage (max)512 GB vs 1,024 GB2×
  4. Battery capacity5,500 mAh vs 6,600 mAh+20%
  5. Peak brightness2,500 nits vs 4,500 nits+80%
  6. Geekbench 6 (multi-core)9,695 vs 11,494+19%
  7. Optical zoom3× vs 4.7×+57%
  8. Wireless charging power15 W vs 40 W2.7×
  9. Pixel density388 ppi vs 510 ppi+31%
  10. 3DMark Wild Life Extreme5,678 vs 7,075+25%
  11. 4K video frame rate60 fps vs 120 fps2×
  12. 4K selfie videoNo · Zenfone 12 Ultra: Yes
Specifications

Side by side

Vivo X300 UltraVivo X300 Ultra≈ $2,1509.7
Design
Weight220 g232 g
Thickness8.9 mm8.2 mm
Height163.8 mm163 mm
Width77 mm76.8 mm
FrameAluminiumAluminium
BackGlassGlass
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCorning Gorilla Glass Victus 2Armor glass
ColoursEbony Black, Sakura White, Sage GreenEclipse Black, Victory Green, Silver
Display
Screen size6.8″6.8″
PanelLTPO AMOLEDLTPO AMOLED
OLED panelYesYes
LTPO (adaptive 1–120 Hz)YesYes
Resolution (width)1,080 px1,440 px
Resolution (height)2,400 px3,168 px
Pixel density388 ppi510 ppi
Refresh rate144 Hz144 Hz
Peak brightness2,500 nits4,500 nits
Measured brightness1,965 nits1,935 nits
Screen-to-body ratio88%90.3%
HDRYesYes
Performance
ChipsetQualcomm SM8750-AB Snapdragon 8 EliteQualcomm SM8850-AC Snapdragon 8 Elite Gen 5
Chip makerQualcommQualcomm
Process3 nm3 nm
CPU cores88
CPU frequency4.32 GHz4.6 GHz
GPUAdreno 830Adreno 840
AnTuTu score2,702,5802,723,497
Geekbench 6 (multi-core)9,69511,494
3DMark Wild Life Extreme5,6787,075
Memory
RAM16 GB16 GB
Storage (max)512 GB1,024 GB
Storage (base)256 GB256 GB
Storage typeUFS 4.0UFS 4.1
Memory card slotNoNo
Camera
Main camera50 MP200 MP
Main camera aperturef/1.9f/1.9
Main sensor size1/1.56"1/1.12"
Rear cameras32
Optical stabilisationYesYes
Ultra-wide cameraYesYes
Telephoto cameraYesYes
Optical zoom3×4.7×
Max video8K8K
4K video frame rate60 fps120 fps
Selfie camera32 MP50 MP
4K selfie videoNoYes
Battery
Battery capacity5,500 mAh6,600 mAh
Battery typeLi-PoSi/C
Active use (test)15.8 h15.8 h
Wired charging65 W100 W
Charged in 30 min77%66%
Wireless chargingYesYes
Wireless charging power15 W40 W
Reverse wireless charging—Yes
Connectivity
5GYesYes
eSIMYesYes
Dual SIMYesYes
Wi-Fi standardWi-Fi 7Wi-Fi 7
Bluetooth5.45.4
NFCYesYes
USBUSB Type-CUSB Type-C 3.2
USB version3.23.2
Video output—Yes
Satellite messaging—Yes
Infrared port—Yes
Dual-band GPSYesYes
Satellite navigationGLONASS, GALILEO, BDS, QZSS, NavICGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackYesNo
Loudspeaker loudness-27.7 LUFS-24.7 LUFS
Fingerprint sensorUnder displayUnder display, ultrasonic
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
SAR (head)—0.99 W/kg
Software
OS at launchAndroid 15Android 16
PlatformAndroidAndroid
Interface—OriginOS 6
Major OS updates promised2—
EU label
Energy classAB
Battery charge cycles1,2001,200
Endurance per cycle61 h57 h
Repairability classCC
Drop resistance classDB
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