Home Phone comparison Xiaomi Poco F8 Ultra and Vivo iQOO 15T - Which is better?

Xiaomi Poco F8 Ultra vs Vivo iQOO 15T

93 out 100
Xiaomi Poco F8 Ultra
VS
91 out 100
Vivo iQOO 15T
Xiaomi Poco F8 Ultra
Vivo iQOO 15T

Compared 2 smartphones : Xiaomi Poco F8 Ultra Manufactured in November, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Vivo iQOO 15T, Manufactured in May, 2026 with chipsetMediaTek Dimensity 9500 Monster. 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 Xiaomi Poco F8 Ultra
  • Larger display: 6.9in
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Vivo iQOO 15T
  • Higher pixel density: 510ppi
  • Higher refresh rate: 144Hz
  • Lighter design: 216g vs 218g
  • Higher battery capacity: 8000mAh vs 6500mAh

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 Xiaomi Poco F8 Ultra and Vivo iQOO 15T
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:
Xiaomi Poco F8 Ultra
vs
Vivo iQOO 15T

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.9 in 6.82 in
Resolution 1200x2608 pixels 1440x3168 pixels
Aspect ratio 19.5:9 20:9
Pixel density 416 ppi 510 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes
Max brightness 2000 nits 1800 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch Sampling Rate 480 Hz 300 Hz
Screen-to-body ratio 91.9 % 89.6 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Poco F8 Ultra
3501 nits
Vivo iQOO 15T
n/a

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 163.4 mm (6.43 in)
Width 77.8 mm (3.06 in) 76.7 mm (3.02 in)
Thickness 7.9 mm (0.31 in) 8.3 mm (0.33 in)
Weight 218 g (7.69 oz) 216 g (7.62 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel n/a Glass
Frame Metal Metal
Colors - White
- Black
- Blue		 - White
- Black
- Blue
- Purple
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Poco F8 Ultra
91.9 %
Vivo iQOO 15T
89.6 %

Performance

Testing Xiaomi Poco F8 Ultra and Vivo iQOO 15T In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 MediaTek Dimensity 9500 Monster
Max Frequency 4600 MHz 4210 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture 6/3.63 () - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon MediaTek NPU 990
Graphics Adreno 840 n/a
GPU Cores 1536 n/a
GPU Frequency 1200 MHz n/a
FLOPS 3686.4 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco F8 Ultra
3553
Vivo iQOO 15T
3507
Geekbench 6 (Multi-Core)
Xiaomi Poco F8 Ultra
10883
Vivo iQOO 15T
10634
Geekbench 6 (Single-Core)35533507
Geekbench 6 (Multi-Core)1088310634
Geekbench Compute (GPU)27420n/a
Sources: Geekbench v6 [Xiaomi Poco F8 Ultra], [Vivo iQOO 15T]
AnTuTu 10
AnTuTu 10
Xiaomi Poco F8 Ultra
3865467
Vivo iQOO 15T
3815522
CPU11631061006840
GPU13947961438159
Memory546277553590
UX761288816933
NanoReview Score38654673815522

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz 5333 MHz
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin HyperOS 3 OriginOS 6

Battery

Volume 6500 mAh 8000 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (50 W) No
Reverse Charging Yes, (Wireless) Yes
Fast Charging Yes (78% in 15 min) Yes
Full Charge Time 0:39 h n/a
Battery Life Test
Battery Life
Xiaomi Poco F8 Ultra
32:38
Vivo iQOO 15T
n/a
Web Browsing15:14 hn/a
Video Playback22:44 hn/a
Games08:06 hn/a
Standby Mode124 hn/a

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels 16320x12288 pixels
Zoom Optical, 5x Digital
Flash Dual 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 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 240 fps (1080p)
Wide-angle lens 102 ° n/a
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP200 MP
Aperturef/1.7f/1.9
Focal length23 mmn/a
SensorOmnivision Light Hunter 950n/a
Sensor size1/1.31 (0.76)1/1.56 (0.64)
Pixel size1.2 μm0.5 μm
AutofocusPhase autofocus (Dual Pixel)Laser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/3.0n/a
Focal length115 mmn/a
SensorSamsung S5KJN5n/a
Sensor size1/2.76 (0.36)n/a
Pixel size0.64 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.4f/2.0
Focal length18 mm15 mm
Sensorn/aSamsung S5KJN5
Sensor size1/2.88 (0.35)1/2.76 (0.36)
Pixel size0.61 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 16 MP
Aperture f/2.2 f/2.5
Focal length 21 mm n/a
Sensor CMOS n/a
Sensor size 1/3.44 (0.29) n/a
Pixel size 0.64 μm n/a
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) 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 6.0 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 Yes No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Varies by region Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
5G SupportYesYes

Sound

Speakers 2.1 n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos n/a No

Other

Class Flagship Flagship
Announced November, 2025 yr May, 2026 yr
Release Date November, 2025 yr May, 2026 yr
MSRP ($) 729 560
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 100 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
0 (0%)
1 (100%)
Total Votes: 1

User comments

Share your opinion or ask questions below