Home Phone comparison Xiaomi Redmi A3 and Xiaomi Redmi Note 12 - Which is better?

Xiaomi Redmi A3 vs Xiaomi Redmi Note 12

40 out 100
Xiaomi Redmi A3
VS
52 out 100
Xiaomi Redmi Note 12
Xiaomi Redmi A3
Xiaomi Redmi Note 12

Compared 2 smartphones : Xiaomi Redmi A3 Manufactured in February, 2024, with display 6.71 with chipsetMediaTek Helio G36, vs Xiaomi Redmi Note 12, Manufactured in March, 2023with chipsetQualcomm Snapdragon 685. 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 A3
  • Larger display: 6.71in
  • Newer Bluetooth version: 5.4 vs 5
Reasons to choose Xiaomi Redmi Note 12
  • Higher pixel density: 395ppi
  • Higher refresh rate: 120Hz
  • Lighter design: 183.5g vs 199g
  • Infrared port

Versions

Available versions and configurations
Memory Options - 2/64 GB
- 3/64 GB
- 3/128 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB		 - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Redmi A3 and Xiaomi Redmi Note 12
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:
Xiaomi Redmi A3
vs
Xiaomi Redmi Note 12

Display

Display quality comparison
Type IPS LCD AMOLED
Size 6.71 in 6.67 in
Resolution 720x1650 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 268 ppi 395 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 420 nits 1200 nits
HDR support No No
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 84.6 % 85.3 %
Features n/a - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi Redmi A3
357 nits
Xiaomi Redmi Note 12
741 nits
sRGB gamut95.1 %100 %
PWM (Flicker)n/a484 Hz
Response time40 ms5 ms
Contrast1314:1∞ Infinite
Sources: NotebookCheck [Xiaomi Redmi A3], [Xiaomi Redmi Note 12]

Design & Build

Design and ergonomics comparison
Height 168.3 mm (6.63 in) 165.66 mm (6.52 in)
Width 76.3 mm (3 in) 75.96 mm (2.99 in)
Thickness 8.32 mm (0.33 in) 7.85 mm (0.31 in)
Weight 199 g (7.02 oz) 183.5 g (6.47 oz)
Water resistance No IP53
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Green		 - Gray
- Blue
- Green
Fingerprint sensor Yes In-Button Yes In-Button
Screen-to-body ratio
Xiaomi Redmi A3
84.6 %
Xiaomi Redmi Note 12
85.3 %

Performance

Testing Xiaomi Redmi A3 and Xiaomi Redmi Note 12 In benchmarks
Processor
Chipset MediaTek Helio G36 Qualcomm Snapdragon 685
Max Frequency 2200 MHz 2800 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.8 (Cortex-A53)
- 4/2.2 (Cortex-A53)		 - 4/1.9 (Cortex-A53)
- 4/2.8 (Cortex-A73)
Process TSMC TSMC
Transistor Size 12 nm 6 nm
Neural Processor No Hexagon 686
Graphics PowerVR GE8320 Adreno 610
GPU Cores 32 128
GPU Frequency 680 MHz 1260 MHz
FLOPS 43.5 GFLOPS 319.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi A3
230
Xiaomi Redmi Note 12
375
Geekbench 6 (Multi-Core)
Xiaomi Redmi A3
840
Xiaomi Redmi Note 12
1494
Geekbench 6 (Single-Core)230375
Geekbench 6 (Multi-Core)8401494
AnTuTu 10
AnTuTu 10
Xiaomi Redmi A3
153983
Xiaomi Redmi Note 12
346691
CPU55340117343
GPU1074942979
Memory42864113571
UX4503072798
NanoReview Score153983346691
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi A3
n/a
Xiaomi Redmi Note 12
641
Max Surface Temp.n/a40.9 °C
Stabilityn/a99 %
Graphics Testn/a3 fps
Graphics Scoren/a641
Sources: 3DMark [Xiaomi Redmi Note 12]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi A3
n/a
Xiaomi Redmi Note 12
8890
Writing scoren/a10190
Web scoren/a8571
Video editingn/a4771
Data manipulationn/a7223
NanoReview Scoren/a8890

Memory

RAM
RAM Size - 3 GB
- 4 GB
- 6 GB		 - 4 GB
- 6 GB
- 8 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1600 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB		- 64 GB
- 128 GB
- 256 GB
Storage TypeeMMC 5.1UFS 2.2
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 13 (Upgradeable to Android 15)
OS Size 19 GB 21 GB
UI Skin MIUI Go Edition HyperOS 2.0

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 10 W 33 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging No Yes (55% in 30 min)
Full Charge Time 2:40 h 1:11 h
Battery Life Test
Battery Life
Xiaomi Redmi A3
n/a
Xiaomi Redmi Note 12
23:06
Web Browsingn/a08:20 h
Video Playbackn/a15:10 h
Gamesn/a05:33 h
Standby Moden/a113 h

Main camera

Matrix 8 MP 50 MP
Photo resolution 3264x2448 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion No 120 fps (720p)
Wide-angle lens n/a 120 °
Lenses count Standard: 8 MP
Depth: 0.08 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix8 MP50 MP
Aperturef/2.0f/1.8
Sensorn/aSamsung S5KJN1
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Sensorn/aOmnivision OV08D10
Sensor sizen/a1/4
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 13 MP
Photo resolution 2592x1944 pixels 4128x3096 pixels
Aperture f/2.2 f/2.5
Sensor CMOS CMOS
Sensor size n/a 1/3.0
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 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- 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
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
- Beidou
- Galileo		 - GPS
- GLONASS
- Galileo
NFC* No Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM B2, B3, B5, B8GSM 850 900 1800 1900MHz
3G BandsWCDMA B1, B5, B8WCDMA 1/5/8
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28)LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)
LTE category413
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio Yes Yes
Dolby Atmos No No
Speaker Test
Max Volume
Xiaomi Redmi A3
78.8 dB
Xiaomi Redmi Note 12
81.3 dB

Other

Class Budget Mid-range
Announced February, 2024 yr March, 2023 yr
Release Date February, 2024 yr March, 2023 yr
Launch Price ($) 80 229
Sensors - Accelerometer
- Ambient Light Sensor
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W Yes 33 W

Note

Xiaomi Redmi A3:

The smartphone in green color is 7 grams lighter than the others.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi Note 12 the clear winner in this comparison.

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