Home Phone comparison Nothing Phone (3a) and Xiaomi Poco X3 Pro - Which is better?

Nothing Phone (3a) vs Xiaomi Poco X3 Pro

69 out 100
Nothing Phone (3a)
VS
55 out 100
Xiaomi Poco X3 Pro
Nothing Phone (3a)
Xiaomi Poco X3 Pro

Compared 2 smartphones : Nothing Phone (3a) Manufactured in March, 2025, with display 6.77 with chipsetQualcomm Snapdragon 7s Gen 3, vs Xiaomi Poco X3 Pro, Manufactured in April, 2021with chipsetQualcomm Snapdragon 860. 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 Nothing Phone (3a)
  • Larger display: 6.77in
  • Lighter design: 201g vs 215g
  • Newer Bluetooth version: 5.4 vs 5
Reasons to choose Xiaomi Poco X3 Pro
  • Higher pixel density: 395ppi
  • Higher battery capacity: 5160mAh vs 5000mAh
  • Infrared port

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB		 - 6/125 GB
- 6/128 GB
- 6/256 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Nothing Phone (3a) and Xiaomi Poco X3 Pro
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:
Nothing Phone (3a)
vs
Xiaomi Poco X3 Pro

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.77 in 6.67 in
Resolution 1080x2392 pixels 1080x2400 pixels
Aspect ratio n/a 20:9
Pixel density 387 ppi 395 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 1300 nits 450 nits
HDR support Yes HDR10+ Yes HDR10
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 88 % 84.6 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Nothing Phone (3a)
1272 nits
Xiaomi Poco X3 Pro
530 nits
sRGB gamutn/a95.1 %
PWM (Flicker)n/a2404 Hz
Response timen/a37.4 ms
Contrastn/a995:1
Sources: NotebookCheck [Xiaomi Poco X3 Pro]

Design & Build

Design and ergonomics comparison
Height 163.52 mm (6.44 in) 165.3 mm (6.51 in)
Width 77.5 mm (3.05 in) 76.8 mm (3.02 in)
Thickness 8.35 mm (0.33 in) 9.4 mm (0.37 in)
Weight 201 g (7.09 oz) 215 g (7.58 oz)
Water resistance IP64 IP53
Cooling system Vapor chamber Vapor chamber
Back panel n/a Plastic
Frame n/a Plastic
Colors - White
- Black
- Blue		 - Black
- Gold
- Blue
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Nothing Phone (3a)
88 %
Xiaomi Poco X3 Pro
84.6 %

Performance

Testing Nothing Phone (3a) and Xiaomi Poco X3 Pro In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 3 Qualcomm Snapdragon 860
Max Frequency 2500 MHz 2960 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/1.8 (Kryo Silver (Cortex-A520))
- 3/2.4 (Kryo Gold (Cortex-A720))
- 1/2.5 (Kryo Prime (Cortex-A720))		 - 4/1.8 (Cortex-A55 (Kryo 485 Silver))
- 3/2.42 (Cortex-A76 (Kryo 485 Gold))
- 1/2.96 (Cortex-A76 (Kryo 485 Prime))
Process TSMC TSMC
Transistor Size 4 nm 7 nm
Neural Processor Yes Hexagon 690
Graphics Adreno 810 Adreno 640
GPU Cores 256 768
GPU Frequency 1050 MHz 675 MHz
FLOPS 537.6 GFLOPS 1036.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Nothing Phone (3a)
1178
Xiaomi Poco X3 Pro
973
Geekbench 6 (Multi-Core)
Nothing Phone (3a)
3214
Xiaomi Poco X3 Pro
2589
Geekbench 6 (Single-Core)1178973
Geekbench 6 (Multi-Core)32142589
Geekbench Compute (GPU)4435n/a
Sources: Geekbench v6 [Nothing Phone (3a)]
AnTuTu 10
AnTuTu 10
Nothing Phone (3a)
708353
Xiaomi Poco X3 Pro
642297
CPU215621181709
GPU197715155743
Memory145649126967
UX149368177878
NanoReview Score708353642297
3DMark Wild Life
3DMark Wild Life
Nothing Phone (3a)
n/a
Xiaomi Poco X3 Pro
3456
Max Surface Temp.n/a44.1 °C
Stabilityn/a97 %
Graphics Testn/a20 fps
Graphics Scoren/a3456
Sources: 3DMark [Xiaomi Poco X3 Pro]
PCMark 3.0
PCMark 3.0
Nothing Phone (3a)
n/a
Xiaomi Poco X3 Pro
10579
Writing scoren/a13393
Web scoren/a8062
Video editingn/a6035
Data manipulationn/a8470
NanoReview Scoren/a10579

Memory

RAM
RAM Size - 8 GB
- 12 GB		 - 6 GB
- 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 128 GB
- 256 GB
Storage TypeUFS 2.2UFS 3.1
Memory CardNoMicroSD

Software

OS Android 15 Android 11 (Upgradeable to Android 13)
OS Size n/a 13 GB
UI Skin Nothing OS 3.1 MIUI 14

Battery

Volume 5000 mAh 5160 mAh
Max Charging Power 50 W 33 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (61% in 30 min) Yes (55% in 30 min)
Full Charge Time 1:06 h 1:15 h
Battery Life Test
Battery Life
Nothing Phone (3a)
25:03
Xiaomi Poco X3 Pro
22:40
Web Browsing08:06 h08:43 h
Video Playback16:25 h12:45 h
Games05:49 h05:20 h
Standby Mode131 h117 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Optical, 2x Digital
Flash LED Dual LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 960 fps (1080p)
Wide-angle lens 120 ° 119 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP		 Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.9f/1.8
Focal length24 mm26 mm
SensorSony LYT-600Sony IMX582
Sensor size1/1.561/2.0
Pixel size1 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MPn/a
Aperturef/2.6n/a
Focal length50 mmn/a
Sensor size1/2.74n/a
Pixel size0.64 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length15 mmn/a
SensorSony IMX355Omnivision OV8856
Sensor size1/4.01/4
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 20 MP
Photo resolution n/a 5480x3648 pixels
Aperture f/2.2 f/2.2
Focal length 22 mm 25 mm
Sensor CMOS CMOS
Sensor size 1/3.44 1/3.4
Pixel size n/a 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- USB-Host mode
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoYes
2G BandsGSM 850/900/1800/1900GSM B2/3/5/8
3G BandsUMTS 1, 2, 4, 5, 6, 8, 19UMTC B1/2/4/5/8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B18/B19/B20/B26/B28/B38/B40/B41/B42/B48/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B32/B38/B40/B41)
LTE categoryn/a20
5G SupportYesNo

Sound

Speakers Stereo Stereo
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos n/a No
Speaker Test
Max Volume
Nothing Phone (3a)
n/a
Xiaomi Poco X3 Pro
88.3 dB

Other

Class Mid-range Mid-range
Announced March, 2025 yr March, 2021 yr
Release Date March, 2025 yr April, 2021 yr
Launch Price ($) 329 250
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Nothing Phone (3a) the clear winner in this comparison.

Survey

Which smartphone would you pick?
3 (100%)
0 (0%)
Total Votes: 3

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