Home Phone comparison Samsung Galaxy A51 and Apple iPhone 17 Pro - Which is better?

Samsung Galaxy A51 vs Apple iPhone 17 Pro

41 out 100
Samsung Galaxy A51
VS
92 out 100
Apple iPhone 17 Pro
Samsung Galaxy A51
Apple iPhone 17 Pro

Compared 2 smartphones : Samsung Galaxy A51 Manufactured in December, 2019, with display 6.5 with chipsetSamsung Exynos 9 Octa 9611, vs Apple iPhone 17 Pro, Manufactured in September, 2025 with chipsetApple A19 Pro. 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 206g
  • Fingerprint scanner
Reasons to choose Apple iPhone 17 Pro
  • Higher pixel density: 460ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 4252mAh vs 4000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM

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
- 12/1024 GB

Review

Key Specs Samsung Galaxy A51 and Apple iPhone 17 Pro
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
Smartphones:
Samsung Galaxy A51
vs
Apple iPhone 17 Pro

Display

Display quality comparison
Type Super AMOLED OLED
Size 6.5 in 6.3 in
Resolution 1080x2400 pixels 1206x2622 pixels
Aspect ratio 20:9 19.5:9
Pixel density 405 ppi 460 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 400 nits 3000 nits
HDR support No Yes, Dolby Vision
Screen-to-body ratio 87.5 % 90.4 %
Features Always-On Display - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy A51
631 nits
Apple iPhone 17 Pro
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) 150 mm (5.91 in)
Width 73.6 mm (2.9 in) 71.9 mm (2.83 in)
Thickness 7.9 mm (0.31 in) 8.75 mm (0.34 in)
Weight 172 g (6.07 oz) 206 g (7.27 oz)
Water resistance No IP68
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black		 - Silver
- Blue
- Orange
Fingerprint sensor Yes In-Display No
Screen-to-body ratio
Samsung Galaxy A51
87.5 %
Apple iPhone 17 Pro
90.4 %

Performance

Testing Samsung Galaxy A51 and Apple iPhone 17 Pro In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 9611 Apple A19 Pro
Max Frequency 2300 MHz 4300 MHz
CPU Cores 8 (4 + 4) 6 (2 + 4)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)		 4/2.51 ()
Process Samsung TSMC
Transistor Size 10 nm 3 nm
Neural Processor Yes Neural Engine
Graphics Mali-G72 MP3 n/a
GPU Cores 54 n/a
GPU Frequency 850 MHz n/a
FLOPS 113.8 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A51
512
Apple iPhone 17 Pro
3720
Geekbench 6 (Multi-Core)
Samsung Galaxy A51
1556
Apple iPhone 17 Pro
10805
Geekbench 6 (Single-Core)5123720
Geekbench 6 (Multi-Core)155610805
AnTuTu 10
AnTuTu 10
Samsung Galaxy A51
268760
Apple iPhone 17 Pro
2146722
CPU83857519980
GPU45166787998
Memory63828391721
UX75909447023
NanoReview Score2687602146722
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A51
812
Apple iPhone 17 Pro
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 n/a
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeUFS 2.0NVMe
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 13) iOS 26
OS Size 23 GB n/a
UI Skin One UI 5.1 n/a

Battery

Volume 4000 mAh 4252 mAh
Max Charging Power 15 W 40 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (25 W)
Reverse Charging No Yes
Fast Charging Yes (40% in 35 min) Yes (50% in 20 min)
Full Charge Time 1:50 h n/a
Battery Life Test
Battery Life
Samsung Galaxy A51
17:53
Apple iPhone 17 Pro
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 48 MP
Photo resolution 8000x6000 pixels 8064x6048 pixels
Zoom Digital Optical, 4x
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
Slow Motion 960 fps (720p) 240 fps (1080p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 48 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 48 MP
Telephoto: 48 MP
Ultra-wide: 48 MP
Depth
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP48 MP
Aperturef/2.0f/1.6
Focal length26 mm24 mm
SensorSony IMX582n/a
Sensor size1/21/1.28
Pixel size0.8 μm1.22 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a48 MP
Aperturen/af/2.8
Focal lengthn/a120 mm
Sensor sizen/a1/2.55
Pixel sizen/a0.7 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix12 MP48 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
Sensor sizen/a1/2.55
Pixel size1.12 μm0.7 μm
StabilizationDigitalDigital

Front camera

Matrix 32 MP 24 MP
Photo resolution 6560x4928 pixels n/a
Aperture f/2.2 f/1.9
Focal length 26 mm 23 mm
Sensor Samsung S5KGD1 n/a
Sensor size 1/2.8 n/a
Pixel size 0.8 μm 1.12 μm
Autofocus No Phase autofocus
Stabilization Digital Optical
Video resolution 2160p (4K) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No Yes

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 6.0
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 No
Connectivity
SIM Count*2n/a
SIM TypeNanoeSIM
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 2100 / 2600n/a
3G BandsUMTS 850 / 900 / 1900 / 2100UMTS/HSPA+/DC-HSDPA 850, 900, 1700/2100, 1900, 2100 MHz
LTE Bands*LTE (B850/B900/B1800/B2100/B2600)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B18/B19/B20/B25/B26/B28/B29/B30/B32/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 Yes
Speaker Test
Max Volume
Samsung Galaxy A51
81.7 dB
Apple iPhone 17 Pro
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 1099
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Face Sensor
Charger Included n/a No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Apple iPhone 17 Pro the clear winner in this comparison.

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