BeastCompare

vivo iQOO 15T 5G vs vivo T4 Ultra 5G: Which One Should You Buy?

vivo iQOO 15T 5G edges ahead with a BeastScore of 86.6/100 — but the right choice depends on what matters to you.

Head-to-head
Comparing 2 devicesSwipe ⇄
Vivo

vivo iQOO 15T 5G

vivo iQOO 15T 5G
87/ 100
Launch pricePrice on request
Vivo · 2025

vivo T4 Ultra 5G

vivo T4 Ultra 5G
87/ 100
Launch pricePrice on request
Head-to-head

vivo iQOO 15T 5G wins 2 of 5 categories

Here's exactly where each phone is stronger.

vivo iQOO 15T 5G
vivo iQOO 15T 5G
2 wins
vivo T4 Ultra 5G
vivo T4 Ultra 5G
1 win
At a glance

Bigger shape = better phone.

SpeedCameraBatteryDisplayValue
vivo iQOO 15T 5Gvivo T4 Ultra 5G
Category winners

Scores out of 100. How we score

  • Speedvivo T4 Ultra 5G
    86
    91
  • CameraTie
    80
    80
  • VideoNot enough data
  • SelfieNot enough data
  • Batteryvivo iQOO 15T 5G
    95
    91
  • Displayvivo iQOO 15T 5G
    89
    84
  • ConnectivityNot enough data
  • SecurityNot enough data
  • ValueTie
    85
    85
Key differences
  • vivo iQOO 15T 5G has the bigger battery8,000 mAh vs 5,500 mAh
  • vivo iQOO 15T 5G has the bigger screen6.82" vs 6.67"
  • vivo iQOO 15T 5G has more RAM16 GB vs 12 GB
  • vivo iQOO 15T 5G has the faster chipMediaTek Dimensity 9500 Monster vs Dimensity 9300+
See all specs ↓

Why buy each phone

Swipe ⇄
Reasons to buy vivo iQOO 15T 5G
  • ✓Bigger 8,000 mAh battery (+2,500 mAh)
  • ✓6.82" display at 120 Hz
Reasons to buy vivo T4 Ultra 5G
  • ✓6.67" display at 120 Hz

Full specifications

Swipe ⇄
Specificationvivo iQOO 15T 5Gvivo T4 Ultra 5G
1. Display & Screen🏆 vivo iQOO 15T 5G Wins Display
Screen typeAMOLEDAMOLED
Screen Size6.82"6.67"
Resolution & DensityFHD+ / LTPO AMOLED FHD+ / LTPO AMOLED (460 ppi)
Refresh Rate120 Hz120 Hz
BrightnessN/AN/A
Screen ProtectionNot listedNot listed
2. Platform & Performance🏆 vivo T4 Ultra 5G Wins Performance
Chipset / ProcessorMediaTek Dimensity 9500 Monster Dimensity 9300+
CPU CoresNot listedNot listed
GPU GraphicsNot listedNot listed
Operating SystemAndroid Android 15
3. Memory & Storage
RAM Memory16 GB LPDDR12 GB LPDDR
Internal Storage1024 GB512 GB
Storage SpeedNot listedNot listed
Card SlotNoNo
4. Main Camera Optics
Primary Cameraundefined MP, Triple Camera Systemundefined MP, Triple Camera System
Telephoto ZoomNone (digital zoom only)None (digital zoom only)
Ultrawide CameraN/AN/A
LiDAR / DepthNoneNone
5. Video
Main Camera Video
Not listed
Not listed
Front Video
Not listed
Not listed
6. Selfie Camera
Selfie Lensundefined MPundefined MP
7. Body & Dimensions
DimensionsN/AN/A
WeightN/A192 g
Build MaterialsNot listedNot listed
SIM TypeNot listedNot listed
Water ResistanceNot listedIP64
8. Battery & Charging🏆 vivo iQOO 15T 5G Wins Battery
Battery Capacity8,000 mAh5,500 mAh
Wired Fast ChargingFast chargingFast charging
Wireless ChargingNot listedNot listed
Reverse ChargingNot listedNot listed
9. Sound & Audio
LoudspeakerNot listedNot listed
3.5mm Headphone JackNoNo
10. Connectivity
Wi-Fi StandardNot listedNot listed
BluetoothNot listedv5.4
USB Port & SpeedNot listedUSB Type-C 2.0
NFCYesYes
11. Sensors & Security
SensorsNot listedNot listed
Satellite FeaturesNot listedNot listed
12. Colors & Overview
ColorsNot listedNot listed
Launch PricePrice on requestPrice on request
Our verdict

vivo iQOO 15T 5G wins — BeastScore 86.6/100

The vivo iQOO 15T 5G is the better pick for most people thanks to its bigger battery (8,000 mAh vs 5,500 mAh) and bigger screen (6.82" vs 6.67").

Buy vivo iQOO 15T 5G if you want

Larger battery: 8,000 mAh vs 5,500 mAh · More RAM: 16 GB vs 12 GB

Buy vivo T4 Ultra 5G if you want

Reliable all-round performance.

Common questions

Which is better: vivo iQOO 15T 5G or vivo T4 Ultra 5G?

The vivo iQOO 15T 5G is the better pick for most people thanks to its bigger battery (8,000 mAh vs 5,500 mAh) and bigger screen (6.82" vs 6.67"). BeastScore: vivo iQOO 15T 5G 86.6/100, vivo T4 Ultra 5G 86.6/100.

What are the main battery and display differences between vivo iQOO 15T 5G and vivo T4 Ultra 5G?

vivo iQOO 15T 5G has a 6.82-inch display and 8000 mAh battery. vivo T4 Ultra 5G has a 6.67-inch display and 5500 mAh battery.

How do vivo iQOO 15T 5G and vivo T4 Ultra 5G compare for speed?

vivo iQOO 15T 5G scores 86/100 for performance; vivo T4 Ultra 5G scores 91/100.

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