Honor X8b vs Vivo iQOO 15

51 out 100
Honor X8b
VS
94 out 100
Vivo iQOO 15

Compared 2 smartphones : Honor X8b Manufactured in December, 2023, with display 6.7 with chipsetQualcomm Snapdragon 680, vs Vivo iQOO 15, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Honor X8b
  • Lighter design: 166g vs 220g
Reasons to choose Vivo iQOO 15
  • Larger display: 6.85in
  • Higher pixel density: 508ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 4500mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Infrared port

Versions

Available versions and configurations
Memory Options - 6/256 GB
- 8/128 GB
- 8/256 GB
- 8/512 GB
- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Honor X8b and Vivo iQOO 15
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
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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:
vs

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.7 in 6.85 in
Resolution 1080x2412 pixels 1440x3168 pixels
Aspect ratio 20:9 20:9
Pixel density 394 ppi 508 ppi
Refresh rate 90 Hz 144 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 2000 nits 2600 nits
HDR support No Yes, HDR10+
Touch Sampling Rate 270 Hz n/a
Screen-to-body ratio 90.2 % 90.2 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 161.05 mm (6.34 in) 163.65 mm (6.44 in)
Width 74.55 mm (2.94 in) 76.8 mm (3.02 in)
Thickness 6.78 mm (0.27 in) 8.1 mm (0.32 in)
Weight 166 g (5.86 oz) 220 g (7.76 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Metal
Colors - Black
- Silver
- Green
- White
- Black
- Blue
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Honor X8b
90.2 %
Vivo iQOO 15
90.2 %

Performance

Testing Honor X8b and Vivo iQOO 15 In benchmarks
Processor
Chipset Qualcomm Snapdragon 680 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2400 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.9 (Kryo 265 Silver (Cortex-A53))
- 4/2.4 (Kryo 265 Gold (Cortex-A73))
6/3.63 ()
Process TSMC TSMC
Transistor Size 6 nm 3 nm
Neural Processor Hexagon 686 Hexagon
Graphics Adreno 610 Adreno 840
GPU Cores 128 1536
GPU Frequency 1114 MHz 1200 MHz
FLOPS 284 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Honor X8b
412
Vivo iQOO 15
3641
Geekbench 6 (Multi-Core)
Honor X8b
1475
Vivo iQOO 15
10982
Geekbench 6 (Single-Core)4123641
Geekbench 6 (Multi-Core)147510982
Geekbench Compute (GPU)n/a27923
AnTuTu 10
AnTuTu 10
Honor X8b
311981
Vivo iQOO 15
4009400
CPU1018081102463
GPU391551429688
Memory98664516447
UX72354960802
NanoReview Score3119814009400

Memory

RAM
RAM Size 8 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 2133 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB
256 GB
Storage TypeUFS 2.2UFS 4.1
Memory CardNoNo

Software

OS Android 13 Android 16
UI Skin MagicOS 7.2 OriginOS 6

Battery

Volume 4500 mAh 7000 mAh
Max Charging Power 35 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (40 W)
Reverse Charging No No
Fast Charging Yes (50% in 30 min) Yes
Full Charge Time 1:28 h n/a

Main camera

Matrix 108 MP 50 MP
Photo resolution 12000x9000 pixels 8192x6144 pixels
Zoom Digital Optical, 3x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 240 fps (1080p)
Lenses count Standard: 108 MP
Ultra-wide: 5 MP
Macro: 2 MP
Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix108 MP50 MP
Aperturef/1.8f/1.9
Focal length24 mm23 mm
SensorSamsung ISOCELL HM6n/a
Sensor size1/1.671/1.56
Pixel size0.64 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.7
Sensor sizen/a1/1.95
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix5 MP50 MP
Aperturef/2.2f/2.1
Focal lengthn/a15 mm
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 32 MP
Photo resolution 8192x6144 pixels n/a
Aperture f/2.1 f/2.2
Focal length n/a 21 mm
Sensor CMOS CMOS
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- 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 5 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* No Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G Bandsn/aGSM 850/900/1800/1900MHz
3G Bandsn/aWCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66)
LTE category13n/a
5G SupportNoYes

Sound

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

Other

Class Mid-range Flagship
Announced December, 2023 yr October, 2025 yr
Release Date December, 2023 yr October, 2025 yr
Launch Price ($) 215 n/a
MSRP ($) n/a 590
Sensors - Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 35 W Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Vivo iQOO 15 the clear winner in this comparison.

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