Samsung Galaxy A55 5G vs Xiaomi 12X

Compared 2 smartphones : Samsung Galaxy A55 5G Manufactured in March, 2024, with display 6.6 with chipsetSamsung Exynos 1480, vs Xiaomi 12X, Manufactured in December, 2021 with chipsetQualcomm Snapdragon 870. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy A55 5G
  • Larger display: 6.6in
  • Higher battery capacity: 5000mAh vs 4500mAh
  • Newer Bluetooth version: 5.3 vs 5.1
  • Built-in eSIM
Reasons to choose Xiaomi 12X
  • Higher pixel density: 419ppi
  • Lighter design: 176g vs 213g
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy A55 5G and Xiaomi 12X
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.
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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

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.6 in 6.28 in
Resolution 1080x2340 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 390 ppi 419 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes
Max brightness 1000 nits 500 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 480 Hz
Screen-to-body ratio 85.8 % 89.3 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy A55 5G
1011 nits
Xiaomi 12X
924 nits
sRGB gamut100 %98.6 %
PWM (Flicker)120 Hz523 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 161.1 mm (6.34 in) 152.7 mm (6.01 in)
Width 77.4 mm (3.05 in) 69.9 mm (2.75 in)
Thickness 8.2 mm (0.32 in) 8.16 mm (0.32 in)
Weight 213 g (7.51 oz) 176 g (6.21 oz)
Water resistance IP67 No
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Blue
- Purple
- Yellow
- Black
- Blue
- Pink
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy A55 5G
85.8 %
Xiaomi 12X
89.3 %

Performance

Testing Samsung Galaxy A55 5G and Xiaomi 12X In benchmarks
Processor
Chipset Samsung Exynos 1480 Qualcomm Snapdragon 870
Max Frequency 2750 MHz 3200 MHz
CPU Cores 8 (4 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A55)
- 4/2.75 (Cortex-A78)
- 4/1.8 (Kryo 585 Silver (Cortex-A55))
- 3/2.42 (Kryo 585 Gold (Cortex-A77))
- 1/3.2 (Kryo 585 Prime (Cortex-A77))
Process Samsung TSMC
Transistor Size 4 nm 7 nm
Neural Processor Yes Hexagon 698
Graphics Samsung Xclipse 530 Adreno 650
GPU Cores 128 768
GPU Frequency 1300 MHz 670 MHz
FLOPS 332.8 GFLOPS 1029.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A55 5G
1168
Xiaomi 12X
1297
Geekbench 6 (Multi-Core)
Samsung Galaxy A55 5G
3503
Xiaomi 12X
3428
Geekbench 6 (Single-Core)11681297
Geekbench 6 (Multi-Core)35033428
AnTuTu 10
AnTuTu 10
Samsung Galaxy A55 5G
723621
Xiaomi 12X
806389
CPU233611237508
GPU175311235693
Memory139428153330
UX175271179858
NanoReview Score723621806389
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A55 5G
3898
Xiaomi 12X
4251
Max Surface Temp.n/a37.6 °C
Stabilityn/a98 %
Graphics Testn/a25 fps
Graphics Scoren/a4251
PCMark 3.0
PCMark 3.0
Samsung Galaxy A55 5G
13120
Xiaomi 12X
n/a
Writing score17087n/a
Web score11775n/a
Video editing7278n/a
Data manipulation11305n/a
NanoReview Score13120n/a

Memory

RAM
RAM Size 6 GB - 8 GB
- 12 GB
Memory Type LPDDR5 LPDDR5
Memory Frequency 3200 MHz n/a
Channels 4 2
Storage
Storage Capacity128 GB- 128 GB
- 256 GB
Storage TypeUFS 3.1UFS 3.1
Memory CardMicroSDNo

Software

OS Android 14 Android 11 (Upgradeable to Android 13)
OS Size 20.1 GB 29.3 GB
UI Skin One UI 6.1 HyperOS 1.0

Battery

Volume 5000 mAh 4500 mAh
Max Charging Power 25 W 67 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (55% in 30 min) Yes (78% in 30 min)
Full Charge Time 1:03 h 0:48 h
Battery Life Test
Battery Life
Samsung Galaxy A55 5G
26:41
Xiaomi 12X
22:44
Web Browsing10:24 h09:35 h
Video Playback17:52 h14:39 h
Games05:16 h05:35 h
Standby Mode125 h101 h

Main camera

Matrix 50 MP 50 MP
Photo resolution 8160x6120 pixels 8700x5800 pixels
Zoom 75 Digital
Flash LED Dual LED
Stabilization Optical Optical
8K Recording No Up to 24FPS
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 960 fps (720p)
Wide-angle lens 123 ° 123 °
Lenses count Standard: 50 MP
Ultra-wide: 12 MP
Macro: 5 MP
Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.9
Focal lengthn/a26 mm
SensorSony IMX906Sony IMX766
Sensor size1/1.561/1.56
Pixel size1 μm1 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Ultra-wide lens
Matrix12 MP13 MP
Aperturef/2.2f/2.4
Focal lengthn/a12 mm
SensorSony IMX258OmniVision OV13B10
Sensor size1/3.061/3.06
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy A55 5G
110
Xiaomi 12X
n/a
Video quality
Samsung Galaxy A55 5G
117
Xiaomi 12X
n/a
Overall camera score
Samsung Galaxy A55 5G
108
Xiaomi 12X
n/a
Bokeh45n/a
Preview54n/a

Front camera

Matrix 32 MP 32 MP
Photo resolution 6464x4864 pixels 6528x4896 pixels
Aperture f/2.2 f/2.4
Focal length 26 mm 26 mm
Sensor Sony IMX616 OmniVision OV32B40
Sensor size 1/2.74 1/3
Pixel size 0.8 μm 0.7 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 fps 1080p (Full HD) at 60 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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5.1
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
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Varies by region Varies by region
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *Yesn/a
Hybrid SlotYesNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850 900 1800 1900 MHz
3G BandsUMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)WCDMA B1/2/4/5/6/8/19
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B20/B25/B26/B28/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66)
LTE category18n/a
5G SupportYesYes

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy A55 5G
91.4 dB
Xiaomi 12X
90.1 dB

Other

Class Mid-range Flagship
Announced March, 2024 yr December, 2021 yr
Release Date March, 2024 yr December, 2021 yr
Launch Price ($) n/a 650
MSRP ($) 439 n/a
Sensors - Hall Sensor
- Barometer
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes 67 W

Note

Samsung Galaxy A55 5G:

The barometer is only available in the model for the USA. SM-A556B/DS and A556E/DS models come with two physical SIM cards.

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

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