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

Vivo iQOO 15 Ultra vs Nothing Phone (4a)

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

Compared 2 smartphones : Vivo iQOO 15 Ultra Manufactured in February, 2026, 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 Ultra
  • Larger display: 6.85in
  • Higher pixel density: 508ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 7400mAh vs 5080mAh
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Infrared port
  • Built-in eSIM
  • Includes charger
Reasons to choose Nothing Phone (4a)
  • Lighter design: 205g vs 227g

Versions

Available versions and configurations
Memory Options - 16/256 GB
- 16/512 GB
- 16/1024 GB
- 24/1024 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Vivo iQOO 15 Ultra 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.
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:
Vivo iQOO 15 Ultra
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 90.1 % 87.4 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 163.7 mm (6.44 in) 163.9 mm (6.45 in)
Width 76.8 mm (3.02 in) 77.5 mm (3.05 in)
Thickness 8.7 mm (0.34 in) 8.5 mm (0.33 in)
Weight 227 g (8.01 oz) 205 g (7.23 oz)
Water resistance IP69 IP64
Cooling system Active fan n/a
Back panel Glass Glass
Frame Metal Plastic
Colors - Black
- Silver		 - White
- Black
- Blue
- Pink
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Vivo iQOO 15 Ultra
90.1 %
Nothing Phone (4a)
87.4 %

Performance

Testing Vivo iQOO 15 Ultra 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 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)		 - 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 Ultra
3615
Nothing Phone (4a)
1249
Geekbench 6 (Multi-Core)
Vivo iQOO 15 Ultra
11366
Nothing Phone (4a)
3324
Geekbench 6 (Single-Core)36151249
Geekbench 6 (Multi-Core)113663324
Geekbench Compute (GPU)n/a4758
Sources: Geekbench v6 [Vivo iQOO 15 Ultra], [Nothing Phone (4a)]
AnTuTu 10
AnTuTu 10
Vivo iQOO 15 Ultra
4518403
Nothing Phone (4a)
1148725
CPU1322001436685
GPU1594848190776
Memory593523232120
UX1008031289144
NanoReview Score45184031148725

Memory

RAM
RAM Size 16 GB 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency n/a 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 7400 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 Yes, (Wireless) 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 107 ° 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
SensorSony IMX921Samsung GN9
Sensor size1/1.56 (0.64)1/1.57 (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
SensorSony IMX882Samsung S5KJN5
Sensor size1/1.95 (0.51)1/2.76 (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 size1/2.76 (0.36)1/4.0 (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 1/3.1 (0.32) 1/3.42 (0.29)
Pixel size 0.7 μm 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 5.4 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 *YesNo
Hybrid SlotNoNo
2G Bandsn/aGSM 850 / 900 / 1800 / 1900
3G Bandsn/aUMTS B1, 2, 4, 5, 6, 8, 19
LTE Bands*n/aLTE (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 Yes No

Other

Class Flagship Mid-range
Announced February, 2026 yr March, 2026 yr
Release Date February, 2026 yr March, 2026 yr
MSRP ($) 820 349
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 Ultra the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below