Home Phone comparison Vivo iQOO 15 and Nothing Phone (4a) - Which is better?

Vivo iQOO 15 vs Nothing Phone (4a)

94 out 100
Vivo iQOO 15
VS
74 out 100
Nothing Phone (4a)
Vivo iQOO 15
Nothing Phone (4a)

Compared 2 smartphones : Vivo iQOO 15 Manufactured in October, 2025, with display 6.85 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Nothing Phone (4a), Manufactured in March, 2026 with chipsetQualcomm Snapdragon 7s Gen 4. 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
  • Larger display: 6.85in
  • Higher pixel density: 508ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7000mAh vs 5080mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Infrared port
  • Includes charger
Reasons to choose Nothing Phone (4a)
  • Lighter design: 205g vs 220g

Versions

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

Review

Key Specs Vivo iQOO 15 and Nothing Phone (4a)
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
Nothing Phone (4a)

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.85 in 6.78 in
Resolution 1440x3168 pixels 1224x2720 pixels
Aspect ratio 20:9 20:9
Pixel density 508 ppi 440 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (30-120 Hz)
Max brightness 2600 nits 1600 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen-to-body ratio 90.2 % 87.4 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 163.65 mm (6.44 in) 163.9 mm (6.45 in)
Width 76.8 mm (3.02 in) 77.5 mm (3.05 in)
Thickness 8.1 mm (0.32 in) 8.5 mm (0.33 in)
Weight 220 g (7.76 oz) 205 g (7.23 oz)
Water resistance IP69 IP64
Cooling system Vapor chamber n/a
Back panel n/a Glass
Frame Metal Plastic
Colors - White
- Black
- Blue		 - White
- Black
- Blue
- Pink
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Vivo iQOO 15
90.2 %
Nothing Phone (4a)
87.4 %

Performance

Testing Vivo iQOO 15 and Nothing Phone (4a) In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 7s Gen 4
Max Frequency 4600 MHz 2700 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture 6/3.63 () - 4/1.8 (Kryo Silver (Cortex-A520))
- 3/2.4 (Kryo Gold (Cortex-A720))
- 1/2.7 (Kryo Prime (Cortex-A720))
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Yes
Graphics Adreno 840 Adreno 810
GPU Cores 1536 256
GPU Frequency 1200 MHz 895 MHz
FLOPS 3686.4 GFLOPS 458.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Vivo iQOO 15
3641
Nothing Phone (4a)
1249
Geekbench 6 (Multi-Core)
Vivo iQOO 15
10982
Nothing Phone (4a)
3324
Geekbench 6 (Single-Core)36411249
Geekbench 6 (Multi-Core)109823324
Geekbench Compute (GPU)279234758
Sources: Geekbench v6 [Vivo iQOO 15], [Nothing Phone (4a)]
AnTuTu 10
AnTuTu 10
Vivo iQOO 15
4009400
Nothing Phone (4a)
1148725
CPU1102463436685
GPU1429688190776
Memory516447232120
UX960802289144
NanoReview Score40094001148725

Memory

RAM
RAM Size 12 GB 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5300 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity256 GB128 GB
Storage TypeUFS 4.1UFS 3.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin OriginOS 6 Nothing OS 4.1

Battery

Volume 7000 mAh 5080 mAh
Max Charging Power 100 W 50 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging Yes (40 W) No
Reverse Charging No Yes
Fast Charging Yes Yes (50% in 28 min)
Full Charge Time n/a 1:12 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3x Optical, 3.5x
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 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 240 fps (720p)
Wide-angle lens n/a 120 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.9
Focal length23 mm24 mm
Sensorn/aSamsung GN9
Sensor size1/1.561/1.57 (0.64)
Pixel size1 μm1 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.7f/2.9
Focal lengthn/a80 mm
Sensorn/aSamsung S5KJN5
Sensor size1/1.951/2.76 (0.36)
Pixel size0.8 μm0.64 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/2.1f/2.2
Focal length15 mm15 mm
Sensorn/aSony IMX355
Sensor size1/2.761/4.0 (0.25)
Pixel size0.64 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 32 MP
Aperture f/2.2 f/2.2
Focal length 21 mm 22 mm
Sensor CMOS n/a
Sensor size n/a 1/3.42 (0.29)
Pixel size n/a 0.64 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 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 6 (802.11 a/b/g/n/ac/ax)
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 5.4
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		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM 850 / 900 / 1800 / 1900
3G BandsWCDMA B1/B2/B4/B5/B6/B8/B19UMTS B1, 2, 4, 5, 6, 8, 19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B38/B40/B41/B42/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66/B71)
5G SupportYesYes

Sound

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

Other

Class Flagship Mid-range
Announced October, 2025 yr March, 2026 yr
Release Date October, 2025 yr March, 2026 yr
MSRP ($) 590 349
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 No
* 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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