Home Phone comparison Nothing Phone (3a) and Xiaomi Poco M3 - Which is better?

Nothing Phone (3a) vs Xiaomi Poco M3

69 out 100
Nothing Phone (3a)
VS
45 out 100
Xiaomi Poco M3
Nothing Phone (3a)
Xiaomi Poco M3

Compared 2 smartphones : Nothing Phone (3a) Manufactured in March, 2025, with display 6.77 with chipsetQualcomm Snapdragon 7s Gen 3, vs Xiaomi Poco M3, Manufactured in December, 2020 with chipsetQualcomm Snapdragon 662. 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
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 5.4 vs 5
Reasons to choose Xiaomi Poco M3
  • Higher pixel density: 395ppi
  • Lighter design: 198g vs 201g
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Infrared port

Versions

Available versions and configurations
Memory Options - 8/128 GB
- 8/256 GB
- 12/256 GB		 - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB

Review

Key Specs Nothing Phone (3a) and Xiaomi Poco M3
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 M3

Display

Display quality comparison
Type AMOLED IPS LCD
Size 6.77 in 6.53 in
Resolution 1080x2392 pixels 1080x2340 pixels
Aspect ratio n/a 19.5:9
Pixel density 387 ppi 395 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 1300 nits 440 nits
HDR support Yes HDR10+ No
Screen-to-body ratio 88 % 83.4 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
Nothing Phone (3a)
1272 nits
Xiaomi Poco M3
437 nits
sRGB gamutn/a96.5 %
PWM (Flicker)n/a892 Hz
Response timen/a36 ms
Contrastn/a2214:1
Sources: NotebookCheck [Xiaomi Poco M3]

Design & Build

Design and ergonomics comparison
Height 163.52 mm (6.44 in) 162.3 mm (6.39 in)
Width 77.5 mm (3.05 in) 77.3 mm (3.04 in)
Thickness 8.35 mm (0.33 in) 9.6 mm (0.38 in)
Weight 201 g (7.09 oz) 198 g (6.98 oz)
Water resistance IP64 No
Cooling system Vapor chamber n/a
Back panel n/a Plastic
Frame n/a Plastic
Colors - White
- Black
- Blue		 - Black
- Blue
- Yellow
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Nothing Phone (3a)
88 %
Xiaomi Poco M3
83.4 %

Performance

Testing Nothing Phone (3a) and Xiaomi Poco M3 In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 3 Qualcomm Snapdragon 662
Max Frequency 2500 MHz 2000 MHz
CPU Cores 8 (1 + 3 + 4) 8 (4 + 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 (Kryo 260 Silver (Cortex-A53))
- 4/2 (Kryo 260 Gold (Cortex-A73))
Process TSMC Samsung
Transistor Size 4 nm 11 nm
Neural Processor Yes Hexagon 683
Graphics Adreno 810 Adreno 610
GPU Cores 256 128
GPU Frequency 1050 MHz 950 MHz
FLOPS 537.6 GFLOPS 243.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Nothing Phone (3a)
1178
Xiaomi Poco M3
511
Geekbench 6 (Multi-Core)
Nothing Phone (3a)
3214
Xiaomi Poco M3
1552
Geekbench 6 (Single-Core)1178511
Geekbench 6 (Multi-Core)32141552
Geekbench Compute (GPU)4435n/a
Sources: Geekbench v6 [Nothing Phone (3a)]
AnTuTu 10
AnTuTu 10
Nothing Phone (3a)
708353
Xiaomi Poco M3
243478
CPU21562186953
GPU19771534960
Memory14564960136
UX14936861429
NanoReview Score708353243478
3DMark Wild Life
3DMark Wild Life
Nothing Phone (3a)
n/a
Xiaomi Poco M3
372
Max Surface Temp.n/a39.9 °C
Stabilityn/a99 %
Graphics Testn/a2 fps
Graphics Scoren/a372
Sources: 3DMark [Xiaomi Poco M3]
PCMark 3.0
PCMark 3.0
Nothing Phone (3a)
n/a
Xiaomi Poco M3
6158
Writing scoren/a6713
Web scoren/a5503
Video editingn/a3632
Data manipulationn/a5147
NanoReview Scoren/a6158

Memory

RAM
RAM Size - 8 GB
- 12 GB		 - 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 64 GB
- 128 GB
Storage TypeUFS 2.2UFS 2.1
Memory CardNoMicroSD

Software

OS Android 15 Android 10 (Upgradeable to Android 11)
OS Size n/a 20.5 GB
UI Skin Nothing OS 3.1 MIUI 12.5 Enhanced

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 50 W 18 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (61% in 30 min) Yes (25% in 30 min)
Full Charge Time 1:06 h 3:00 h
Battery Life Test
Battery Life
Nothing Phone (3a)
25:03
Xiaomi Poco M3
29:39
Web Browsing08:06 h11:51 h
Video Playback16:25 h15:49 h
Games05:49 h06:39 h
Standby Mode131 h155 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 4000x3000 pixels
Zoom Optical, 2x Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) 120 fps (720p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP		 Standard: 48 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 mmn/a
SensorSony LYT-600Samsung S5KGM1
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 MPn/a
Aperturef/2.2n/a
Focal length15 mmn/a
SensorSony IMX355n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 32 MP 8 MP
Photo resolution n/a 3264x2448 pixels
Aperture f/2.2 f/2.1
Focal length 22 mm n/a
Sensor CMOS CMOS
Sensor size 1/3.44 1/4.0
Pixel size n/a 1.12 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
- OTG
DisplayPort No n/a
GPS - GPS
- GLONASS
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes No
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900GSM B2/3/5/8
3G BandsUMTS 1, 2, 4, 5, 6, 8, 19WCDMA 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)
LTE categoryn/a12
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 M3
85.1 dB

Other

Class Mid-range Budget
Announced March, 2025 yr November, 2020 yr
Release Date March, 2025 yr December, 2020 yr
Launch Price ($) 329 150
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- 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.

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