Apple iPhone 15 vs Samsung Galaxy A51

Compared 2 smartphones : Apple iPhone 15 Manufactured in September, 2023, with display 6.1 with chipsetApple A16 Bionic, 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 Apple iPhone 15
  • Higher pixel density: 460ppi
  • Lighter design: 171g vs 172g
  • Newer Bluetooth version: 5.3 vs 5
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Samsung Galaxy A51
  • Larger display: 6.5in
  • Higher battery capacity: 4000mAh vs 3349mAh
  • Fingerprint scanner

Versions

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

Review

Key Specs Apple iPhone 15 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.
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

Display

Display quality comparison
Type OLED Super AMOLED
Size 6.1 in 6.5 in
Resolution 1179x2556 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 460 ppi 405 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 2000 nits 400 nits
HDR support Yes Dolby Vision No
Screen-to-body ratio 86.4 % 87.5 %
Features DCI-P3 Always-On Display
Display test
Peak brightness (auto)
Apple iPhone 15
1646 nits
Samsung Galaxy A51
631 nits
sRGB gamut99.6 %98.8 %
PWM (Flicker)306 Hz242 Hz
Response time2 ms25 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 147.6 mm (5.81 in) 158.5 mm (6.24 in)
Width 71.6 mm (2.82 in) 73.6 mm (2.9 in)
Thickness 7.8 mm (0.31 in) 7.9 mm (0.31 in)
Weight 171 g (6.03 oz) 172 g (6.07 oz)
Water resistance IP68 No
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Blue
- Green
- Pink
- Yellow
- White
- Black
Fingerprint sensor No Yes In-Display
Screen-to-body ratio
Apple iPhone 15
86.4 %
Samsung Galaxy A51
87.5 %

Performance

Testing Apple iPhone 15 and Samsung Galaxy A51 In benchmarks
Processor
Chipset Apple A16 Bionic Samsung Exynos 9 Octa 9611
Max Frequency 3460 MHz 2300 MHz
CPU Cores 6 (2 + 4) 8 (4 + 4)
Architecture - 4/2.02 (Sawtooth)
- 2/3.46 (Everest)
- 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process TSMC Samsung
Transistor Size 4 nm 10 nm
Neural Processor Apple Neural Engine Yes
Graphics Apple A16 GPU Mali-G72 MP3
GPU Cores 640 54
GPU Frequency 1398 MHz 850 MHz
FLOPS 1789.4 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Apple iPhone 15
2599
Samsung Galaxy A51
512
Geekbench 6 (Multi-Core)
Apple iPhone 15
6545
Samsung Galaxy A51
1556
Geekbench 6 (Single-Core)2599512
Geekbench 6 (Multi-Core)65451556
AnTuTu 10
AnTuTu 10
Apple iPhone 15
1415281
Samsung Galaxy A51
268760
CPU37804683857
GPU44976645166
Memory26164263828
UX32582775909
NanoReview Score1415281268760
3DMark Wild Life
3DMark Wild Life
Apple iPhone 15
9632
Samsung Galaxy A51
812
Max Surface Temp.44.3 °C42.2 °C
Stability81 %95 %
Graphics Test59 fps4 fps
Graphics Score9632812

Memory

RAM
RAM Size 6 GB - 4 GB
- 6 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 3200 MHz 1866 MHz
Channels 4 2
Storage
Storage Capacity128 GB- 64 GB
- 128 GB
Storage TypeNVMeUFS 2.0
Memory CardNoMicroSD

Software

OS iOS 17 (Upgradeable to iOS 18.5) Android 10 (Upgradeable to Android 13)
OS Size 18 GB 23 GB
UI Skin n/a One UI 5.1

Battery

Volume 3349 mAh 4000 mAh
Max Charging Power 20 W 15 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (7.5 W) No
Reverse Charging Yes No
Fast Charging Yes (58% in 30 min) Yes (40% in 35 min)
Full Charge Time 1:50 h 1:50 h
Battery Life Test
Battery Life
Apple iPhone 15
25:31
Samsung Galaxy A51
17:53
Web Browsing10:47 h07:15 h
Video Playback16:55 h11:25 h
Games05:36 h04:49 h
Standby Mode112 h81 h

Main camera

Matrix 48 MP 48 MP
Photo resolution 8064x6048 pixels 8000x6000 pixels
Zoom 114 Digital
Flash Dual LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (1080p) 960 fps (720p)
Wide-angle lens 120 ° 120 °
Lenses count Standard: 48 MP
Ultra-wide: 12 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
Matrix48 MP48 MP
Aperturef/1.6f/2.0
Focal length26 mm26 mm
Sensorn/aSony IMX582
Sensor size1/1.51/2
Pixel size1 μm0.8 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrix12 MP12 MP
Aperturef/2.4f/2.2
Focal length13 mm13 mm
SensorSony IMX633n/a
Sensor size1/2.55n/a
Pixel size1.4 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Apple iPhone 15
147
Samsung Galaxy A51
n/a
Video quality
Apple iPhone 15
153
Samsung Galaxy A51
n/a
Overall camera score
Apple iPhone 15
145
Samsung Galaxy A51
n/a
Bokeh80n/a
Preview84n/a

Front camera

Matrix 12 MP 32 MP
Photo resolution 4032x3024 pixels 6560x4928 pixels
Aperture f/1.9 f/2.2
Focal length 23 mm 26 mm
Sensor Sony IMX714 Samsung S5KGD1
Sensor size 1/3.6 1/2.8
Pixel size 1.12 μm 0.8 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 30 fps
TOF 3D sensor Yes No

Connectivity

Wi-Fi version Wi-Fi 6 (802.11 b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 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
DisplayPort Yes n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*n/a2
SIM TypeeSIMNano
SIM Moden/aDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM/EDGE (850, 900, 1800, 1900 MHz)GSM 850 / 900 / 1800 / 2100 / 2600
3G BandsUMTS/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz)UMTS 850 / 900 / 1900 / 2100
LTE Bands*LTE ()LTE (B850/B900/B1800/B2100/B2600)
LTE category1812
5G SupportYesNo

Sound

Speakers n/a Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Apple iPhone 15
81.6 dB
Samsung Galaxy A51
81.7 dB

Other

Class Flagship Mid-range
Announced September, 2023 yr December, 2019 yr
Release Date September, 2023 yr December, 2019 yr
Launch Price ($) n/a 399
MSRP ($) 799 n/a
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Face Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Apple iPhone 15 the clear winner in this comparison.

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