Xiaomi Poco X6 vs Samsung Galaxy S20 Ultra

Compared 2 smartphones : Xiaomi Poco X6 Manufactured in January, 2024, with display 6.67 with chipsetQualcomm Snapdragon 7s Gen 2, vs Samsung Galaxy S20 Ultra, Manufactured in March, 2020with chipsetSamsung Exynos 990. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco X6
  • Lighter design: 181g vs 220g
  • Higher battery capacity: 5100mAh vs 5000mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy S20 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 511ppi
  • Supports newer USB: 3.1 vs 2
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB
- 12/128 GB
- 12/256 GB
- 16/512 GB

Review

Key Specs Xiaomi Poco X6 and Samsung Galaxy S20 Ultra
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 AMOLED Dynamic AMOLED
Size 6.67 in 6.9 in
Resolution 1220x2712 pixels 1440x3200 pixels
Aspect ratio 20:9 20:9
Pixel density 446 ppi 511 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (30-120 Hz) No
Max brightness 1200 nits 800 nits
HDR support Yes Dolby Vision Yes HDR10+
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.8 % 90.6 %
Features - DCI-P3
- Always-On Display
- DC dimming
- DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi Poco X6
1328 nits
Samsung Galaxy S20 Ultra
886 nits
sRGB gamutn/a99.2 %
PWM (Flicker)n/a240 Hz
Response timen/a6.2 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 161.15 mm (6.34 in) 166.9 mm (6.57 in)
Width 74.24 mm (2.92 in) 76 mm (2.99 in)
Thickness 7.98 mm (0.31 in) 8.8 mm (0.35 in)
Weight 181 g (6.38 oz) 220 g (7.76 oz)
Water resistance IP54 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black
- Blue
- Black
- Gray
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi Poco X6
89.8 %
Samsung Galaxy S20 Ultra
90.6 %

Performance

Testing Xiaomi Poco X6 and Samsung Galaxy S20 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 2 Samsung Exynos 990
Max Frequency 2400 MHz 3020 MHz
CPU Cores 8 (4 + 4) 8 (2 + 2 + 4)
Architecture - 4/1.95 (Cortex-A55)
- 4/2.4 (Cortex-A78)
- 4/2 (Cortex-A55)
- 2/2.5 (Cortex-A76)
- 2/2.73 (Exynos M5)
Process Samsung Samsung
Transistor Size 4 nm 7 nm
Neural Processor Yes Yes
Graphics Adreno 710 Mali-G77 MP11
GPU Cores 256 704
GPU Frequency 940 MHz 800 MHz
FLOPS 481.3 GFLOPS 1126 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X6
1030
Samsung Galaxy S20 Ultra
1159
Geekbench 6 (Multi-Core)
Xiaomi Poco X6
2980
Samsung Galaxy S20 Ultra
3158
Geekbench 6 (Single-Core)10301159
Geekbench 6 (Multi-Core)29803158
AnTuTu 10
AnTuTu 10
Xiaomi Poco X6
593842
Samsung Galaxy S20 Ultra
760316
CPU202442220525
GPU116960225011
Memory126346146451
UX148094168329
NanoReview Score593842760316
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X6
n/a
Samsung Galaxy S20 Ultra
4320
Max Surface Temp.n/a38.6 °C
Stabilityn/a53 %
Graphics Testn/a25 fps
Graphics Scoren/a4320
PCMark 3.0
PCMark 3.0
Xiaomi Poco X6
n/a
Samsung Galaxy S20 Ultra
11163
Writing scoren/a13391
Web scoren/a8714
Video editingn/a6104
Data manipulationn/a9006
NanoReview Scoren/a11163

Memory

RAM
RAM Size - 8 GB
- 12 GB
- 12 GB
- 16 GB
Memory Type LPDDR4X LPDDR5
Memory Frequency 2133 MHz 3200 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 128 GB
- 512 GB
Storage TypeUFS 2.2UFS 3.0
Memory CardNoMicroSD

Software

OS Android 13 (Upgradeable to Android 15) Android 10.0 (Upgradeable to Android 13)
OS Size n/a 23.7 GB
UI Skin HyperOS 2.0 One UI 5.1

Battery

Volume 5100 mAh 5000 mAh
Max Charging Power 67 W 45 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (78% in 30 min) Yes (100% in 80 min)
Full Charge Time 0:48 h 1:20 h
Battery Life Test
Battery Life
Xiaomi Poco X6
18:31
Samsung Galaxy S20 Ultra
18:01
Web Browsing06:45 h06:27 h
Video Playback10:18 h11:23 h
Games04:35 h04:23 h
Standby Mode99 h91 h

Main camera

Matrix 64 MP 108 MP
Photo resolution 9000x7000 pixels 12032x9204 pixels
Zoom Digital Optical, 4x
Flash LED 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 120 fps (720p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 64 MP
Ultra-wide: 8 MP
Macro: 2 MP
Standard: 108 MP
Telephoto: 48 MP
Ultra-wide: 12 MP
Depth: 0.3 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix64 MP108 MP
Aperturef/1.8f/1.8
Focal length25 mm26 mm
SensorOmnivision OV64BSamsung Bright S5KHM1
Sensor size1/21/1.33
Pixel size0.7 μm0.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrixn/a48 MP
Aperturen/af/3.5
Focal lengthn/a103 mm
Sensorn/aSony IMX586
Sensor sizen/a1/2
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
SensorSony IMX355Samsung S5K2LA
Sensor size1/41/2.55
Pixel size1.14 μm1.4 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 40 MP
Photo resolution 4608x3456 pixels 7864x5200 pixels
Aperture f/2.4 f/2.2
Focal length n/a 26 mm
Sensor Omnivision OV16A1Q Samsung S5KGH1
Sensor size 1/3.06 1/2.65
Pixel size 1 μm 0.7 μm
Autofocus No Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6 (802.11 b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Wi-Fi Direct
- Wi-Fi Display
Bluetooth version 5.2 5
Bluetooth features LE LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 3.1
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoYes
2G BandsGSM 850/900/1800/1900MHzGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsWCDMA B1/2/4/5/6/8/19HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B32/B66)LTE (B850/B900/B1700/B1900/B2100)
LTE category1822
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi Poco X6
n/a
Samsung Galaxy S20 Ultra
84.4 dB

Other

Class Mid-range Flagship
Announced January, 2024 yr February, 2020 yr
Release Date January, 2024 yr March, 2020 yr
Launch Price ($) 249 1400
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 67 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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