Home Phone comparison OnePlus 8 and Vivo iQOO 15 - Which is better?

OnePlus 8 vs Vivo iQOO 15

58 out 100
OnePlus 8
VS
94 out 100
Vivo iQOO 15
OnePlus 8
Vivo iQOO 15

Compared 2 smartphones : OnePlus 8 Manufactured in April, 2020, with display 6.55 with chipsetQualcomm Snapdragon 865, 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

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose OnePlus 8
  • Lighter design: 180g vs 220g
  • Supports Dolby Atmos
Reasons to choose Vivo iQOO 15
  • Larger display: 6.85in
  • Higher pixel density: 508ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 4300mAh
  • Newer Bluetooth version: 6.0 vs 5.1
  • Supports newer USB: 3.2 vs 3.1
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs OnePlus 8 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
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:
OnePlus 8
vs
Vivo iQOO 15

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.55 in 6.85 in
Resolution 1080x2400 pixels 1440x3168 pixels
Aspect ratio 20:9 20:9
Pixel density 402 ppi 508 ppi
Refresh rate 90 Hz 144 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 1300 nits 2600 nits
HDR support Yes HDR10+ Yes, HDR10+
Screen-to-body ratio 88.7 % 90.2 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
OnePlus 8
802 nits
Vivo iQOO 15
n/a
sRGB gamut97.7 %n/a
PWM (Flicker)373 Hzn/a
Response time2.8 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [OnePlus 8]

Design & Build

Design and ergonomics comparison
Height 160.2 mm (6.31 in) 163.65 mm (6.44 in)
Width 72.9 mm (2.87 in) 76.8 mm (3.02 in)
Thickness 8.5 mm (0.33 in) 8.1 mm (0.32 in)
Weight 180 g (6.35 oz) 220 g (7.76 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Black
- Silver
- Blue
- Green		 - White
- Black
- Blue
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
OnePlus 8
88.7 %
Vivo iQOO 15
90.2 %

Performance

Testing OnePlus 8 and Vivo iQOO 15 In benchmarks
Processor
Chipset Qualcomm Snapdragon 865 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2840 MHz 4600 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/2.84 (Kryo 585 Prime (Cortex-A77))		 6/3.63 ()
Process TSMC TSMC
Transistor Size 7 nm 3 nm
Neural Processor Hexagon 698 Hexagon
Graphics Adreno 650 Adreno 840
GPU Cores 768 1536
GPU Frequency 587 MHz 1200 MHz
FLOPS 1202.1 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 8
1256
Vivo iQOO 15
3641
Geekbench 6 (Multi-Core)
OnePlus 8
3472
Vivo iQOO 15
10982
Geekbench 6 (Single-Core)12563641
Geekbench 6 (Multi-Core)347210982
Geekbench Compute (GPU)n/a27923
Sources: Geekbench v6 [Vivo iQOO 15]
AnTuTu 10
AnTuTu 10
OnePlus 8
751799
Vivo iQOO 15
4009400
CPU2425211102463
GPU1966181429688
Memory140544516447
UX172116960802
NanoReview Score7517994009400
3DMark Wild Life
3DMark Wild Life
OnePlus 8
3843
Vivo iQOO 15
n/a
Max Surface Temp.35.5 °Cn/a
Stability99 %n/a
Graphics Test23 fpsn/a
Graphics Score3843n/a
Sources: 3DMark [OnePlus 8]
PCMark 3.0
PCMark 3.0
OnePlus 8
11329
Vivo iQOO 15
n/a
Writing score14311n/a
Web score8181n/a
Video editing5849n/a
Data manipulation8869n/a
NanoReview Score11329n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB		256 GB
Storage TypeUFS 3.0UFS 4.1
Memory CardNoNo

Software

OS Android 10.0 (Upgradeable to Android 13) Android 16
OS Size 23 GB n/a
UI Skin OxygenOS 13 OriginOS 6

Battery

Volume 4300 mAh 7000 mAh
Max Charging Power 30 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 22 min) Yes
Full Charge Time 0:52 h n/a
Battery Life Test
Battery Life
OnePlus 8
21:04
Vivo iQOO 15
n/a
Web Browsing09:11 hn/a
Video Playback13:12 hn/a
Games04:52 hn/a
Standby Mode93 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Optical, 3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 240 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 240 fps (1080p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 16 MP
Macro: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP50 MP
Aperturef/1.8f/1.9
Focal length25 mm23 mm
SensorSony IMX586n/a
Sensor size1/2.251/1.56
Pixel size1.12 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.7
Sensor sizen/a1/1.95
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix16 MP50 MP
Aperturef/2.2f/2.1
Focal length13 mm15 mm
Sensor size1/2.01/2.76
Pixel size0.8 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 32 MP
Photo resolution 4920x3264 pixels n/a
Aperture f/2.0 f/2.2
Focal length n/a 21 mm
Sensor Sony IMX471 CMOS
Sensor size 1/3 n/a
Pixel size 1 μm n/a
Autofocus Phase autofocus 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 6 (802.11 a/b/g/n/ac/ax) 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 5.1 6.0
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.1 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- SBAS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, GSM1800, GSM1900GSM 850/900/1800/1900MHz
3G BandsWCDMA B1, B2, B4、B5, B8, B9, B19WCDMA B1/B2/B4/B5/B6/B8/B19
LTE Bands*LTE (B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
OnePlus 8
89.4 dB
Vivo iQOO 15
n/a

Other

Class Flagship Flagship
Announced April, 2020 yr October, 2025 yr
Release Date April, 2020 yr October, 2025 yr
Launch Price ($) 699 n/a
MSRP ($) n/a 590
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a 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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