Home Phone comparison Apple iPhone 7 and Samsung Galaxy A21s - Which is better?

Apple iPhone 7 vs Samsung Galaxy A21s

38 out 100
Apple iPhone 7
VS
39 out 100
Samsung Galaxy A21s
Apple iPhone 7
Samsung Galaxy A21s

Compared 2 smartphones : Apple iPhone 7 Manufactured in September, 2016, with display 4.7 with chipsetApple A10 Fusion, vs Samsung Galaxy A21s, Manufactured in June, 2020 with chipsetSamsung Exynos 850. 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 Apple iPhone 7
  • Higher pixel density: 326ppi
  • Lighter design: 138g vs 192g
Reasons to choose Samsung Galaxy A21s
  • Larger display: 6.5in
  • Higher battery capacity: 5000mAh vs 1960mAh
  • Newer Bluetooth version: 5 vs 4.2

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 2/128 GB
- 2/256 GB		 - 2/32 GB
- 3/32 GB
- 3/64 GB
- 3/128 GB
- 4/32 GB
- 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB

Review

Key Specs Apple iPhone 7 and Samsung Galaxy A21s
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:
Apple iPhone 7
vs
Samsung Galaxy A21s

Display

Display quality comparison
Type IPS LCD PLS TFT
Size 4.7 in 6.5 in
Resolution 750x1334 pixels 720x1600 pixels
Aspect ratio 16:9 20:9
Pixel density 326 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 625 nits 540 nits
HDR support No No
Screen-to-body ratio 65.6 % 82.9 %
Display test
Peak brightness (auto)
Apple iPhone 7
652 nits
Samsung Galaxy A21s
487 nits
sRGB gamut100 %88.4 %
PWM (Flicker)n/a500 Hz
Response time35.5 ms30.4 ms
Contrast1635:11500:1
Sources: NotebookCheck [Apple iPhone 7], [Samsung Galaxy A21s]

Design & Build

Design and ergonomics comparison
Height 138.3 mm (5.44 in) 163.6 mm (6.44 in)
Width 67.1 mm (2.64 in) 75.3 mm (2.96 in)
Thickness 7.1 mm (0.28 in) 8.9 mm (0.35 in)
Weight 138 g (4.87 oz) 192 g (6.77 oz)
Water resistance IP67 No
Back panel Metal Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gold
- Red
- Pink		 - Black
- Blue
- Red
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Apple iPhone 7
65.6 %
Samsung Galaxy A21s
82.9 %

Performance

Testing Apple iPhone 7 and Samsung Galaxy A21s In benchmarks
Processor
Chipset Apple A10 Fusion Samsung Exynos 850
Max Frequency 2340 MHz 2000 MHz
CPU Cores 4 (2 + 2) 8 (8)
Architecture - 2/1.05 (Zephyr)
- 2/2.34 (Hurricane)		 8/2 (Cortex-A55)
Process TSMC Samsung
Transistor Size 16 nm 8 nm
Neural Processor No No
Graphics PowerVR GT7600 Mali-G52 MP1
GPU Cores 192 24
GPU Frequency 650 MHz 850 MHz
FLOPS 249.6 GFLOPS 40.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Apple iPhone 7
721
Samsung Galaxy A21s
484
Geekbench 6 (Multi-Core)
Apple iPhone 7
1923
Samsung Galaxy A21s
1523
Geekbench 6 (Single-Core)721484
Geekbench 6 (Multi-Core)19231523
AnTuTu 10
AnTuTu 10
Apple iPhone 7
358237
Samsung Galaxy A21s
191375
CPU11205168748
GPU8743126807
Memory5380859210
UX10494736610
NanoReview Score358237191375
3DMark Wild Life
3DMark Wild Life
Apple iPhone 7
2579
Samsung Galaxy A21s
425
Max Surface Temp.42.5 °C43.2 °C
Stability62 %98 %
Graphics Test15 fps2 fps
Graphics Score2579425
Sources: 3DMark [Apple iPhone 7], [Samsung Galaxy A21s]
PCMark 3.0
PCMark 3.0
Apple iPhone 7
n/a
Samsung Galaxy A21s
5429
Writing scoren/a5426
Web scoren/a4708
Video editingn/a5145
Data manipulationn/a3808
NanoReview Scoren/a5429

Memory

RAM
RAM Size 2 GB - 3 GB
- 4 GB
Memory Type LPDDR4 LPDDR4X
Memory Frequency n/a 1866 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 128 GB
- 256 GB		- 32 GB
- 64 GB
Storage TypeNVMeeMMC 5.1
Memory CardNoMicroSD

Software

OS iOS 10 (Upgradeable to iOS 15.8.1) Android 10 (Upgradeable to Android 12)
OS Size 12.5 GB 12 GB
UI Skin n/a One UI 4.1

Battery

Volume 1960 mAh 5000 mAh
Max Charging Power 5 W 15 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging No (7.5 W) No
Reverse Charging No No
Fast Charging No Yes (50% in 60 min)
Full Charge Time 2:35 h 2:10 h
Battery Life Test
Battery Life
Apple iPhone 7
15:51
Samsung Galaxy A21s
25:00
Web Browsing05:50 h09:45 h
Video Playback09:49 h14:13 h
Games03:22 h05:34 h
Standby Mode80 h128 h

Main camera

Matrix 12 MP 48 MP
Photo resolution 4032x3024 pixels 8000x6000 pixels
Zoom Digital Digital
Flash Quad LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 30 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) No
Wide-angle lens n/a 123 °
Lenses count Standard: 12 MP Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 Bokeh effect
Main lens
Matrix12 MP48 MP
Aperturef/1.8f/2.0
Focal length28 mm26 mm
SensorApple iSight CameraSamsung S5KGM2
Sensor size1/31/2.0
Pixel size1.22 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Apple iPhone 7
85
Samsung Galaxy A21s
n/a
Video quality
Apple iPhone 7
85
Samsung Galaxy A21s
n/a
Overall camera score
Apple iPhone 7
85
Samsung Galaxy A21s
n/a
Sources: DxOMark [Apple iPhone 7]

Front camera

Matrix 7 MP 13 MP
Photo resolution 3088x2320 pixels 4128x3096 pixels
Aperture f/2.2 f/2.2
Focal length 32 mm n/a
Sensor BSI CMOS CMOS
Sensor size n/a 1/3.1
Pixel size 1 μm 1.12 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) 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 Hotspot		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 4.2 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type No USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 1900GSM850, GSM900, DCS1800, PCS1900
3G BandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B27/B28/B29/B30/B38/B39/B40/B41)LTE (B1/B2/B3/B5/B7/B8/B20/B28)
LTE category1213
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Apple iPhone 7
83 dB
Samsung Galaxy A21s
79.5 dB

Other

Class Flagship Budget
Announced September, 2016 yr May, 2020 yr
Release Date September, 2016 yr June, 2020 yr
Launch Price ($) 649 200
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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