Xiaomi Poco X6 vs Samsung Galaxy A51

Compared 2 smartphones : Xiaomi Poco X6 Manufactured in January, 2024, with display 6.67 with chipsetQualcomm Snapdragon 7s Gen 2, vs Samsung Galaxy A51, Manufactured in December, 2019 with chipsetSamsung Exynos 9 Octa 9611. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco X6
  • Larger display: 6.67in
  • Higher pixel density: 446ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 5100mAh vs 4000mAh
  • Newer Bluetooth version: 5.2 vs 5
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy A51
  • Lighter design: 172g vs 181g

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Xiaomi Poco X6 and Samsung Galaxy A51
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 Super AMOLED
Size 6.67 in 6.5 in
Resolution 1220x2712 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 446 ppi 405 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (30-120 Hz) No
Max brightness 1200 nits 400 nits
HDR support Yes Dolby Vision No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.8 % 87.5 %
Features - DCI-P3
- Always-On Display
- DC dimming
Always-On Display
Display test
Peak brightness (auto)
Xiaomi Poco X6
1328 nits
Samsung Galaxy A51
631 nits
sRGB gamutn/a98.8 %
PWM (Flicker)n/a242 Hz
Response timen/a25 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 161.15 mm (6.34 in) 158.5 mm (6.24 in)
Width 74.24 mm (2.92 in) 73.6 mm (2.9 in)
Thickness 7.98 mm (0.31 in) 7.9 mm (0.31 in)
Weight 181 g (6.38 oz) 172 g (6.07 oz)
Water resistance IP54 No
Cooling system Vapor chamber n/a
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - White
- Black
- Blue
- White
- Black
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Xiaomi Poco X6
89.8 %
Samsung Galaxy A51
87.5 %

Performance

Testing Xiaomi Poco X6 and Samsung Galaxy A51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 7s Gen 2 Samsung Exynos 9 Octa 9611
Max Frequency 2400 MHz 2300 MHz
CPU Cores 8 (4 + 4) 8 (4 + 4)
Architecture - 4/1.95 (Cortex-A55)
- 4/2.4 (Cortex-A78)
- 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process Samsung Samsung
Transistor Size 4 nm 10 nm
Neural Processor Yes Yes
Graphics Adreno 710 Mali-G72 MP3
GPU Cores 256 54
GPU Frequency 940 MHz 850 MHz
FLOPS 481.3 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco X6
1030
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Xiaomi Poco X6
2980
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)1030512
Geekbench 6 (Multi-Core)29801556
AnTuTu 10
AnTuTu 10
Xiaomi Poco X6
593842
Samsung Galaxy A51
268760
CPU20244283857
GPU11696045166
Memory12634663828
UX14809475909
NanoReview Score593842268760
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco X6
n/a
Samsung Galaxy A51
812
Max Surface Temp.n/a42.2 °C
Stabilityn/a95 %
Graphics Testn/a4 fps
Graphics Scoren/a812

Memory

RAM
RAM Size - 8 GB
- 12 GB
- 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 64 GB
- 128 GB
Storage TypeUFS 2.2UFS 2.0
Memory CardNoMicroSD

Software

OS Android 13 (Upgradeable to Android 15) Android 10 (Upgradeable to Android 13)
OS Size n/a 23 GB
UI Skin HyperOS 2.0 One UI 5.1

Battery

Volume 5100 mAh 4000 mAh
Max Charging Power 67 W 15 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (78% in 30 min) Yes (40% in 35 min)
Full Charge Time 0:48 h 1:50 h
Battery Life Test
Battery Life
Xiaomi Poco X6
18:31
Samsung Galaxy A51
17:53
Web Browsing06:45 h07:15 h
Video Playback10:18 h11:25 h
Games04:35 h04:49 h
Standby Mode99 h81 h

Main camera

Matrix 64 MP 48 MP
Photo resolution 9000x7000 pixels 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Optical Digital
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 30 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: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix64 MP48 MP
Aperturef/1.8f/2.0
Focal length25 mm26 mm
SensorOmnivision OV64BSony IMX582
Sensor size1/21/2
Pixel size0.7 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix8 MP12 MP
Aperturef/2.2f/2.2
Focal lengthn/a13 mm
SensorSony IMX355n/a
Sensor size1/4n/a
Pixel size1.14 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 32 MP
Photo resolution 4608x3456 pixels 6560x4928 pixels
Aperture f/2.4 f/2.2
Focal length n/a 26 mm
Sensor Omnivision OV16A1Q Samsung S5KGD1
Sensor size 1/3.06 1/2.8
Pixel size 1 μm 0.8 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 fps 2160p (4K) 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 5.2 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
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
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM 850 / 900 / 1800 / 2100 / 2600
3G BandsWCDMA B1/2/4/5/6/8/19UMTS 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/B1800/B2100/B2600)
LTE category1812
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack Yes Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Xiaomi Poco X6
n/a
Samsung Galaxy A51
81.7 dB

Other

Class Mid-range Mid-range
Announced January, 2024 yr December, 2019 yr
Release Date January, 2024 yr December, 2019 yr
Launch Price ($) 249 399
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- 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

After analyzing the data, we consider Xiaomi Poco X6 the clear winner in this comparison.

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