Home Phone comparison Nothing Phone (3a) Pro and Realme 12 Pro 5G - Which is better?

Nothing Phone (3a) Pro vs Realme 12 Pro 5G

70 out 100
Nothing Phone (3a) Pro
VS
61 out 100
Realme 12 Pro 5G
Nothing Phone (3a) Pro
Realme 12 Pro 5G

Compared 2 smartphones : Nothing Phone (3a) Pro Manufactured in March, 2025, with display 6.77 with chipsetQualcomm Snapdragon 7s Gen 3, vs Realme 12 Pro 5G, Manufactured in January, 2024 with chipsetQualcomm Snapdragon 6 Gen 1. 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) Pro
  • Larger display: 6.77in
  • Newer Bluetooth version: 5.4 vs 5.2
  • Built-in eSIM
Reasons to choose Realme 12 Pro 5G
  • Higher pixel density: 394ppi
  • Lighter design: 190g vs 211g
  • Supports Dolby Atmos
  • Includes charger

Versions

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

Review

Key Specs Nothing Phone (3a) Pro and Realme 12 Pro 5G
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:
Nothing Phone (3a) Pro
vs
Realme 12 Pro 5G

Display

Display quality comparison
Type AMOLED AMOLED
Size 6.77 in 6.7 in
Resolution 1080x2392 pixels 1080x2412 pixels
Aspect ratio n/a 20:9
Pixel density 387 ppi 394 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 1300 nits 950 nits
HDR support Yes HDR10+ n/a
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 88 % 90.6 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Nothing Phone (3a) Pro
1300 nits
Realme 12 Pro 5G
n/a

Design & Build

Design and ergonomics comparison
Height 163.52 mm (6.44 in) 161.47 mm (6.36 in)
Width 77.5 mm (3.05 in) 74.02 mm (2.91 in)
Thickness 8.39 mm (0.33 in) 8.75 mm (0.34 in)
Weight 211 g (7.44 oz) 190 g (6.7 oz)
Water resistance IP64 IP65
Cooling system Vapor chamber Vapor chamber
Colors - Black
- Gray		 - Blue
- Yellow
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Nothing Phone (3a) Pro
88 %
Realme 12 Pro 5G
90.6 %

Performance

Testing Nothing Phone (3a) Pro and Realme 12 Pro 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 3 Qualcomm Snapdragon 6 Gen 1
Max Frequency 2500 MHz 2200 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 (Cortex-A55)
- 4/2.2 (Cortex-A78)
Process TSMC Samsung
Transistor Size 4 nm 4 nm
Neural Processor Yes Yes
Graphics Adreno 810 Adreno 710
GPU Cores 256 256
GPU Frequency 1050 MHz 676 MHz
FLOPS 537.6 GFLOPS 346.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Nothing Phone (3a) Pro
1182
Realme 12 Pro 5G
937
Geekbench 6 (Multi-Core)
Nothing Phone (3a) Pro
3357
Realme 12 Pro 5G
2758
Geekbench 6 (Single-Core)1182937
Geekbench 6 (Multi-Core)33572758
Geekbench Compute (GPU)4459n/a
Sources: Geekbench v6 [Nothing Phone (3a) Pro], [Realme 12 Pro 5G]
AnTuTu 10
AnTuTu 10
Nothing Phone (3a) Pro
750673
Realme 12 Pro 5G
576716
CPU273000187667
GPU19208995385
Memory135075152993
UX150509140671
NanoReview Score750673576716

Memory

RAM
RAM Size - 8 GB
- 12 GB		 8 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 3200 MHz 2133 MHz
Channels 4 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 128 GB
- 256 GB
Storage Typen/aUFS 2.2
Memory CardNoNo

Software

OS Android 15 Android 14
UI Skin Nothing OS 3.1 Realme UI 5.0

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 50 W 67 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (60% in 15 min) Yes (50% in 19 min)
Full Charge Time 1:05 h 0:47 h
Battery Life Test
Battery Life
Nothing Phone (3a) Pro
24:09
Realme 12 Pro 5G
n/a
Web Browsing08:09 hn/a
Video Playback16:21 hn/a
Games05:48 hn/a
Standby Mode120 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 8192x6144 pixels
Zoom Optical, 3x Optical, 2x
Flash LED LED
Stabilization Optical Optical
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) 240 fps (720p)
Wide-angle lens 120 ° 112 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 8 MP		 Standard: 50 MP
Telephoto: 32 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.9f/1.8
Focal length24 mm26 mm
SensorSony LYT-600Sony IMX882
Sensor size1/1.561/2.0
Pixel size1 μm0.7 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP32 MP
Aperturef/2.6f/2.0
Focal length70 mm47 mm
Sensorn/aSony IMX709
Sensor size1/1.951/2.75
Pixel size0.8 μm0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length15 mm16 mm
SensorSony IMX355Sony IMX355
Sensor size1/4.01/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 50 MP 16 MP
Photo resolution 8192x6144 pixels 4920x3264 pixels
Aperture f/2.2 f/2.4
Focal length 24 mm 24 mm
Sensor n/a CMOS
Sensor size 1/2.76 n/a
Autofocus n/a No
Stabilization Digital Digital
Video resolution 2160p (4K) 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 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 Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 5.2
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 n/a
GPS - GPS
- GLONASS
- Galileo
- QZSS		 - GPS
- GLONASS
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900GSM 850/900/1800
3G BandsUMTS 1, 2, 4, 5, 6, 8, 19WCDMA 1/5/8
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/B3/B5/B8/B28B/B40/B41)
LTE categoryn/a18
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos n/a Yes

Other

Class Mid-range Mid-range
Announced March, 2025 yr January, 2024 yr
Release Date March, 2025 yr January, 2024 yr
Launch Price ($) 459 315
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes 67 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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