Home Phone comparison Samsung Galaxy A51 and Xiaomi 17 - Which is better?

Samsung Galaxy A51 vs Xiaomi 17

41 out 100
Samsung Galaxy A51
VS
93 out 100
Xiaomi 17
Samsung Galaxy A51
Xiaomi 17

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Xiaomi 17, Manufactured in September, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. 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 Samsung Galaxy A51
  • Larger display: 6.5in
  • Lighter design: 172g vs 191g
  • Supports Dolby Atmos
Reasons to choose Xiaomi 17
  • Higher pixel density: 464ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6330mAh vs 4000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB
- 8/256 GB		 - 12/256 GB
- 12/512 GB
- 16/512 GB

Review

Key Specs Samsung Galaxy A51 and Xiaomi 17
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:
Samsung Galaxy A51
vs
Xiaomi 17

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.5 in 6.3 in
Resolution 1080x2400 pixels 1220x2656 pixels
Aspect ratio 20:9 19.5:9
Pixel density 405 ppi 464 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 400 nits 120 nits
HDR support No Yes, Dolby Vision
Screen-to-body ratio 87.5 % 89.9 %
Features Always-On Display - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
Xiaomi 17
n/a
sRGB gamut98.8 %n/a
PWM (Flicker)242 Hzn/a
Response time25 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy A51]

Design & Build

Design and ergonomics comparison
Height 158.5 mm (6.24 in) 151.1 mm (5.95 in)
Width 73.6 mm (2.9 in) 71.8 mm (2.83 in)
Thickness 7.9 mm (0.31 in) 8.1 mm (0.32 in)
Weight 172 g (6.07 oz) 191 g (6.74 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Plastic n/a
Frame Plastic Metal
Colors - White
- Black		 - White
- Black
- Blue
- Pink
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
Xiaomi 17
89.9 %

Performance

Testing Samsung Galaxy A51 and Xiaomi 17 In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2300 MHz 4610 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 6/3.63 ()
Process Samsung TSMC
Transistor Size 10 nm 3 nm
Neural Processor Yes Hexagon
Graphics Mali-G72 MP3 Adreno 840
GPU Cores 54 1536
GPU Frequency 850 MHz 1200 MHz
FLOPS 113.8 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51
512
Xiaomi 17
3610
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
Xiaomi 17
11098
Geekbench 6 (Single-Core)5123610
Geekbench 6 (Multi-Core)155611098
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
Xiaomi 17
3288454
CPU83857867585
GPU451661185826
Memory63828526143
UX75909708900
NanoReview Score2687603288454
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
Xiaomi 17
n/a
Max Surface Temp.42.2 °Cn/a
Stability95 %n/a
Graphics Test4 fpsn/a
Graphics Score812n/a
Sources: 3DMark [Samsung Galaxy A51]

Memory

RAM
RAM Size - 4 GB
- 6 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeUFS 2.0UFS 4.1
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 13) Android 16
OS Size 23 GB n/a
UI Skin One UI 5.1 HyperOS 3

Battery

Volume 4000 mAh 6330 mAh
Max Charging Power 15 W 100 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes (40% in 35 min) Yes
Full Charge Time 1:50 h n/a
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
Xiaomi 17
n/a
Web Browsing07:15 hn/a
Video Playback11:25 hn/a
Games04:49 hn/a
Standby Mode81 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Optical, 2.6x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 1920 fps (720p)
Wide-angle lens 120 ° 102 °
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.7
Focal length26 mm23 mm
SensorSony IMX582Omnivision 950L LightHunter
Sensor size1/21/1.31
Pixel size0.8 μm1.2 μm
AutofocusPhase autofocusLaser autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.0
Focal lengthn/a60 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix12 MP50 MP
Aperturef/2.2f/2.4
Focal length13 mm17 mm
Sensorn/aOmnivision OV50M
Sensor sizen/a1/2.76
Pixel size1.12 μm0.64 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 50 MP
Photo resolution 6560x4928 pixels 8192x6144 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm 21 mm
Sensor Samsung S5KGD1 Omnivision OV50M
Sensor size 1/2.8 1/2.88
Pixel size 0.8 μm 0.61 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 30 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 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- 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 5.4
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600GSM B2 / B3 / B5 / B8
3G BandsUMTS 850 / 900 / 1900 / 2100WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B71)
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy A51
81.7 dB
Xiaomi 17
n/a

Other

Class Mid-range Flagship
Announced December, 2019 yr September, 2025 yr
Release Date December, 2019 yr September, 2025 yr
Launch Price ($) 399 n/a
MSRP ($) n/a 799
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi 17 the clear winner in this comparison.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below