Home Phone comparison Xiaomi Redmi Note 15 5G and Nothing Phone (4a) - Which is better?

Xiaomi Redmi Note 15 5G vs Nothing Phone (4a)

63 out 100
Xiaomi Redmi Note 15 5G
VS
74 out 100
Nothing Phone (4a)
Xiaomi Redmi Note 15 5G
Nothing Phone (4a)

Compared 2 smartphones : Xiaomi Redmi Note 15 5G Manufactured in August, 2025, with display 6.77 with chipsetQualcomm Snapdragon 6 Gen 3, vs Nothing Phone (4a), Manufactured in March, 2026with 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 Xiaomi Redmi Note 15 5G
  • Lighter design: 178g vs 205g
  • Higher battery capacity: 5800mAh vs 5080mAh
  • Infrared port
  • Includes charger
Reasons to choose Nothing Phone (4a)
  • Larger display: 6.78in
  • Higher pixel density: 440ppi
  • Newer Bluetooth version: 5.4 vs 5.1

Versions

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

Review

Key Specs Xiaomi Redmi Note 15 5G 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
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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:
Redmi Note 15 5G
vs
Nothing Phone (4a)

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.77 in 6.78 in
Resolution 1080x2340 pixels 1224x2720 pixels
Aspect ratio n/a 20:9
Pixel density 388 ppi 440 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (30-120 Hz)
Max brightness n/a 1600 nits
HDR support No Yes, HDR10+
Screen-to-body ratio 89.1 % 87.4 %
Features DCI-P3 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 165 mm (6.5 in) 163.9 mm (6.45 in)
Width 75.4 mm (2.97 in) 77.5 mm (3.05 in)
Thickness 7.4 mm (0.29 in) 8.5 mm (0.33 in)
Weight 178 g (6.28 oz) 205 g (7.23 oz)
Water resistance IP68 IP64
Back panel n/a Glass
Frame Plastic Plastic
Colors - White
- Black
- Blue		 - White
- Black
- Blue
- Pink
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi Note 15 5G
89.1 %
Nothing Phone (4a)
87.4 %

Performance

Testing Xiaomi Redmi Note 15 5G and Nothing Phone (4a) In benchmarks
Processor
Chipset Qualcomm Snapdragon 6 Gen 3 Qualcomm Snapdragon 7s Gen 4
Max Frequency 2400 MHz 2700 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Cortex-A55)
- 4/2.4 (Cortex-A78)		 - 4/1.8 (Kryo Silver (Cortex-A520))
- 3/2.4 (Kryo Gold (Cortex-A720))
- 1/2.7 (Kryo Prime (Cortex-A720))
Process Samsung TSMC
Transistor Size 4 nm 4 nm
Neural Processor Hexagon Yes
Graphics Adreno 710 Adreno 810
GPU Cores 256 256
GPU Frequency 1010 MHz 895 MHz
FLOPS 517.1 GFLOPS 458.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi Note 15 5G
1015
Nothing Phone (4a)
1249
Geekbench 6 (Multi-Core)
Xiaomi Redmi Note 15 5G
2890
Nothing Phone (4a)
3324
Geekbench 6 (Single-Core)10151249
Geekbench 6 (Multi-Core)28903324
Geekbench Compute (GPU)n/a4758
Sources: Geekbench v6 [Nothing Phone (4a)]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi Note 15 5G
608985
Nothing Phone (4a)
1148725
CPU200717436685
GPU141388190776
Memory118625232120
UX148255289144
NanoReview Score6089851148725

Memory

RAM
RAM Size 6 GB 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB128 GB
Storage TypeUFS 2.2UFS 3.1
Memory CardNoNo

Software

OS Android 15 Android 16
UI Skin HyperOS 2.0 Nothing OS 4.1

Battery

Volume 5800 mAh 5080 mAh
Max Charging Power 45 W 50 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging Yes 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 n/a 8192x6144 pixels
Zoom Digital Optical, 3.5x
Flash LED LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 240 fps (720p)
Wide-angle lens n/a 120 °
Lenses count Standard: 50 MP
Depth: 2 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.9
Focal lengthn/a24 mm
Sensorn/aSamsung GN9
Sensor size1/21/1.57 (0.64)
Pixel size0.64 μm1 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.9
Focal lengthn/a80 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76 (0.36)
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a15 mm
Sensorn/aSony IMX355
Sensor sizen/a1/4.0 (0.25)
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 32 MP
Aperture f/2.0 f/2.2
Focal length n/a 22 mm
Sensor size n/a 1/3.42 (0.29)
Pixel size n/a 0.64 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 a/b/g/n/ac/ax)
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 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort No 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 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 Yes No
FM Radio Yes No
Dolby Atmos n/a No

Other

Class Mid-range Mid-range
Announced August, 2025 yr March, 2026 yr
Release Date August, 2025 yr March, 2026 yr
MSRP ($) n/a 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, 45 W No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Nothing Phone (4a) the clear winner in this comparison.

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