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

Vivo iQOO 15 vs Xiaomi Poco F8 Ultra

94 out 100
Vivo iQOO 15
VS
93 out 100
Xiaomi Poco F8 Ultra
Vivo iQOO 15
Xiaomi Poco F8 Ultra

Compared 2 smartphones : Vivo iQOO 15 Manufactured in October, 2025, with display 6.85 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Xiaomi Poco F8 Ultra, Manufactured in November, 2025with chipsetQualcomm Snapdragon 8 Elite 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 Vivo iQOO 15
  • Higher pixel density: 508ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 6500mAh
Reasons to choose Xiaomi Poco F8 Ultra
  • Larger display: 6.9in
  • Lighter design: 218g vs 220g
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB		 - 12/256 GB
- 16/512 GB

Review

Key Specs Vivo iQOO 15 and Xiaomi Poco F8 Ultra
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:
Vivo iQOO 15
vs
Xiaomi Poco F8 Ultra

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.85 in 6.9 in
Resolution 1440x3168 pixels 1200x2608 pixels
Aspect ratio 20:9 19.5:9
Pixel density 508 ppi 416 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2600 nits 2000 nits
HDR support Yes, HDR10+ Yes, Dolby Vision
Touch Sampling Rate n/a 480 Hz
Screen-to-body ratio 90.2 % 91.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Vivo iQOO 15
n/a
Xiaomi Poco F8 Ultra
3501 nits

Design & Build

Design and ergonomics comparison
Height 163.65 mm (6.44 in) 163.3 mm (6.43 in)
Width 76.8 mm (3.02 in) 77.8 mm (3.06 in)
Thickness 8.1 mm (0.32 in) 7.9 mm (0.31 in)
Weight 220 g (7.76 oz) 218 g (7.69 oz)
Water resistance IP69 IP68
Cooling system Vapor chamber Vapor chamber
Frame Metal Metal
Colors - White
- Black
- Blue		 - White
- Black
- Blue
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Vivo iQOO 15
90.2 %
Xiaomi Poco F8 Ultra
91.9 %

Performance

Testing Vivo iQOO 15 and Xiaomi Poco F8 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4600 MHz 4600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture 6/3.63 () 6/3.63 ()
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 840 Adreno 840
GPU Cores 1536 1536
GPU Frequency 1200 MHz 1200 MHz
FLOPS 3686.4 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo iQOO 15
3641
Xiaomi Poco F8 Ultra
3553
Geekbench 6 (Multi-Core)
Vivo iQOO 15
10982
Xiaomi Poco F8 Ultra
10883
Geekbench 6 (Single-Core)36413553
Geekbench 6 (Multi-Core)1098210883
Geekbench Compute (GPU)2792327420
Sources: Geekbench v6 [Vivo iQOO 15], [Xiaomi Poco F8 Ultra]
AnTuTu 10
AnTuTu 10
Vivo iQOO 15
4009400
Xiaomi Poco F8 Ultra
3865467
CPU11024631163106
GPU14296881394796
Memory516447546277
UX960802761288
NanoReview Score40094003865467

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz 5300 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 OriginOS 6 HyperOS 3

Battery

Volume 7000 mAh 6500 mAh
Max Charging Power 100 W 100 W
Battery Type Silicon Carbon (Si/C) Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (40 W) Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes Yes (78% in 15 min)
Full Charge Time n/a 0:39 h
Battery Life Test
Battery Life
Vivo iQOO 15
n/a
Xiaomi Poco F8 Ultra
32:38
Web Browsingn/a15:14 h
Video Playbackn/a22:44 h
Gamesn/a08:06 h
Standby Moden/a124 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3x Optical, 5x
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 240 fps (1080p) 960 fps (1080p)
Wide-angle lens n/a 102 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.7
Focal length23 mm23 mm
Sensorn/aOmnivision Light Hunter 950
Sensor size1/1.561/1.31 (0.76)
Pixel size1 μm1.2 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.7f/3.0
Focal lengthn/a115 mm
Sensorn/aSamsung S5KJN5
Sensor size1/1.951/2.76 (0.36)
Pixel size0.8 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.1f/2.4
Focal length15 mm18 mm
Sensor size1/2.761/2.88 (0.35)
Pixel size0.64 μm0.61 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Aperture f/2.2 f/2.2
Focal length 21 mm 21 mm
Sensor CMOS CMOS
Sensor size n/a 1/3.44 (0.29)
Pixel size n/a 0.64 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 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 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Varies by region
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzn/a
3G BandsWCDMA B1/B2/B4/B5/B6/B8/B19n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66)n/a
5G SupportYesYes

Sound

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

Other

Class Flagship Flagship
Announced October, 2025 yr November, 2025 yr
Release Date October, 2025 yr November, 2025 yr
MSRP ($) 590 729
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?
11 (61.11%)
7 (38.89%)
Total Votes: 18

User comments

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