Samsung Galaxy S24 Ultra vs Xiaomi 12X

Compared 2 smartphones : Samsung Galaxy S24 Ultra Manufactured in January, 2024, with display 6.8 with chipsetQualcomm Snapdragon 8 Gen 3 (for Galaxy), 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 S24 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 501ppi
  • Higher battery capacity: 5000mAh vs 4500mAh
  • Newer Bluetooth version: 5.3 vs 5.1
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Xiaomi 12X
  • Lighter design: 176g vs 232g
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 12/1024 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Samsung Galaxy S24 Ultra 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.
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:
vs

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.8 in 6.28 in
Resolution 1440x3088 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 501 ppi 419 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2600 nits 500 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 480 Hz
Screen-to-body ratio 88.5 % 89.3 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S24 Ultra
1445 nits
Xiaomi 12X
924 nits
sRGB gamut99.5 %98.6 %
PWM (Flicker)480 Hz523 Hz
Response time1 ms1 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 162.3 mm (6.39 in) 152.7 mm (6.01 in)
Width 79 mm (3.11 in) 69.9 mm (2.75 in)
Thickness 8.6 mm (0.34 in) 8.16 mm (0.32 in)
Weight 232 g (8.18 oz) 176 g (6.21 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Gray
- Blue
- Green
- Orange
- Purple
- Yellow
- Black
- Blue
- Pink
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S24 Ultra
88.5 %
Xiaomi 12X
89.3 %

Performance

Testing Samsung Galaxy S24 Ultra and Xiaomi 12X In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 (for Galaxy) Qualcomm Snapdragon 870
Max Frequency 3390 MHz 3200 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (1 + 3 + 4)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
- 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 TSMC TSMC
Transistor Size 4 nm 7 nm
Neural Processor Hexagon Hexagon 698
Graphics Adreno 750 Adreno 650
GPU Cores 1536 768
GPU Frequency 1000 MHz 670 MHz
FLOPS 2774 GFLOPS 1029.1 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S24 Ultra
2271
Xiaomi 12X
1297
Geekbench 6 (Multi-Core)
Samsung Galaxy S24 Ultra
7119
Xiaomi 12X
3428
Geekbench 6 (Single-Core)22711297
Geekbench 6 (Multi-Core)71193428
AnTuTu 10
AnTuTu 10
Samsung Galaxy S24 Ultra
1954703
Xiaomi 12X
806389
CPU432608237508
GPU801870235693
Memory418926153330
UX301299179858
NanoReview Score1954703806389
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S24 Ultra
16056
Xiaomi 12X
4251
Max Surface Temp.46.8 °C37.6 °C
Stability59 %98 %
Graphics Test96 fps25 fps
Graphics Score160564251
PCMark 3.0
PCMark 3.0
Samsung Galaxy S24 Ultra
18029
Xiaomi 12X
n/a
Writing score22590n/a
Web score18325n/a
Video editing8000n/a
Data manipulation15921n/a
NanoReview Score18029n/a

Memory

RAM
RAM Size 12 GB - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR5
Memory Frequency 4200 MHz n/a
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
- 128 GB
- 256 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 14 Android 11 (Upgradeable to Android 13)
OS Size 28 GB 29.3 GB
UI Skin One UI 6.1 HyperOS 1.0

Battery

Volume 5000 mAh 4500 mAh
Max Charging Power 45 W 67 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (69% in 30 min) Yes (78% in 30 min)
Full Charge Time 1:05 h 0:48 h
Battery Life Test
Battery Life
Samsung Galaxy S24 Ultra
26:30
Xiaomi 12X
22:44
Web Browsing10:18 h09:35 h
Video Playback18:00 h14:39 h
Games05:51 h05:35 h
Standby Mode122 h101 h

Main camera

Matrix 200 MP 50 MP
Photo resolution 16320x12240 pixels 8700x5800 pixels
Zoom Optical, 5x Digital
Flash LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Up to 24FPS
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 240 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 960 fps (720p)
Wide-angle lens 120 ° 123 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 12 MP
Standard: 50 MP
Ultra-wide: 13 MP
Macro: 5 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix200 MP50 MP
Aperturef/1.7f/1.9
Focal length23 mm26 mm
SensorSamsung ISOCELL HP2Sony IMX766
Sensor size1/1.31/1.56
Pixel size0.6 μm1 μm
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/3.4n/a
Focal length111 mmn/a
SensorSony IMX854n/a
Sensor size1/2.52n/a
Pixel size0.7 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MP13 MP
Aperturef/2.2f/2.4
Focal length13 mm12 mm
SensorSony IMX564OmniVision OV13B10
Sensor size1/2.551/3.06
Pixel size1.4 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S24 Ultra
144
Xiaomi 12X
n/a
Video quality
Samsung Galaxy S24 Ultra
137
Xiaomi 12X
n/a
Overall camera score
Samsung Galaxy S24 Ultra
144
Xiaomi 12X
n/a
Bokeh70n/a
Preview82n/a
Zoom145n/a

Front camera

Matrix 12 MP 32 MP
Photo resolution 4000x3000 pixels 6528x4896 pixels
Aperture f/2.2 f/2.4
Focal length 26 mm 26 mm
Sensor Samsung S5K3LU OmniVision OV32B40
Sensor size 1/3.2 1/3
Pixel size 1.12 μm 0.7 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 3.2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Yes Varies by region
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM Moden/aDual SIM Standby
eSIM Support *Yesn/a
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850 900 1800 1900 MHz
3G BandsWCDMA 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/B18/B19/B20/B25/B26/B28/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S24 Ultra
93 dB
Xiaomi 12X
90.1 dB

Other

Class Flagship Flagship
Announced January, 2024 yr December, 2021 yr
Release Date January, 2024 yr December, 2021 yr
Launch Price ($) 1299 650
Sensors - Hall Sensor
- Barometer
- 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

Note

Samsung Galaxy S24 Ultra:

There is a model with two physical SIM cards and no eSIM, and another with one physical SIM card and eSIM support.

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

Results

After analyzing the data, we consider Samsung Galaxy S24 Ultra the clear winner in this comparison.

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