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

Xiaomi Poco F8 Ultra vs Vivo iQOO 15R

93 out 100
Xiaomi Poco F8 Ultra
VS
88 out 100
Vivo iQOO 15R
Xiaomi Poco F8 Ultra
Vivo iQOO 15R

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 15R, Manufactured in March, 2026with chipsetQualcomm Snapdragon 8 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 Xiaomi Poco F8 Ultra
  • Larger display: 6.9in
  • Supports newer USB: 3.2 vs 2
  • Built-in eSIM
Reasons to choose Vivo iQOO 15R
  • Higher pixel density: 459ppi
  • Higher refresh rate: 144Hz
  • Lighter design: 202g vs 218g
  • Higher battery capacity: 7600mAh vs 6500mAh

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 16/512 GB		 - 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Xiaomi Poco F8 Ultra and Vivo iQOO 15R
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.
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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 15R

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.9 in 6.59 in
Resolution 1200x2608 pixels 1260x2750 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 416 ppi 459 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes Yes (60-120 Hz)
Max brightness 2000 nits n/a
HDR support Yes, Dolby Vision Yes, HDR10+
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 91.9 % 90.8 %
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 15R
n/a

Design & Build

Design and ergonomics comparison
Height 163.3 mm (6.43 in) 157.61 mm (6.21 in)
Width 77.8 mm (3.06 in) 74.42 mm (2.93 in)
Thickness 7.9 mm (0.31 in) 7.9 mm (0.31 in)
Weight 218 g (7.69 oz) 202 g (7.13 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel n/a Plastic
Frame Metal Metal
Colors - White
- Black
- Blue		 - Black
- Silver
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Poco F8 Ultra
91.9 %
Vivo iQOO 15R
90.8 %

Performance

Testing Xiaomi Poco F8 Ultra and Vivo iQOO 15R In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Gen 5
Max Frequency 4600 MHz 3000 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture 6/3.63 () 6/3.32 ()
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 840 Adreno 829
GPU Cores 1536 1024
GPU Frequency 1200 MHz 1200 MHz
FLOPS 3686.4 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco F8 Ultra
3553
Vivo iQOO 15R
2698
Geekbench 6 (Multi-Core)
Xiaomi Poco F8 Ultra
10883
Vivo iQOO 15R
8830
Geekbench 6 (Single-Core)35532698
Geekbench 6 (Multi-Core)108838830
Geekbench Compute (GPU)2742021113
Sources: Geekbench v6 [Xiaomi Poco F8 Ultra], [Vivo iQOO 15R]
AnTuTu 10
AnTuTu 10
Xiaomi Poco F8 Ultra
3865467
Vivo iQOO 15R
3272562
CPU11631061018344
GPU1394796997845
Memory546277433367
UX761288823006
NanoReview Score38654673272562

Memory

RAM
RAM Size 12 GB 8 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz n/a
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 7600 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 (46% in 30 min)
Full Charge Time 0:39 h 1:04 h
Battery Life Test
Battery Life
Xiaomi Poco F8 Ultra
32:38
Vivo iQOO 15R
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 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 5x Digital
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
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) n/a
Wide-angle lens 102 ° n/a
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.7f/1.8
Focal length23 mmn/a
SensorOmnivision Light Hunter 950n/a
Sensor size1/1.31 (0.76)n/a
Pixel size1.2 μmn/a
AutofocusPhase autofocus (Dual Pixel)Phase 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 MP8 MP
Aperturef/2.4f/2.2
Focal length18 mm15 mm
Sensor size1/2.88 (0.35)1/4.0 (0.25)
Pixel size0.61 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Aperture f/2.2 f/2.2
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 No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 2160p (4K) 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 Yes
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
2G Bandsn/aGSM 850/900/1800MHz
3G Bandsn/aWCDMA B1/B5/B6/B8/B19
LTE Bands*n/aLTE (B1/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B32/B71)
5G SupportYesYes

Sound

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

Other

Class Flagship Mid-range
Announced November, 2025 yr February, 2026 yr
Release Date November, 2025 yr March, 2026 yr
MSRP ($) 729 495
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?
5 (83.33%)
1 (16.67%)
Total Votes: 6

User comments

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