Home Phone comparison Apple iPhone 7 and Samsung Galaxy M21 - Which is better?

Apple iPhone 7 vs Samsung Galaxy M21

38 out 100
Apple iPhone 7
VS
45 out 100
Samsung Galaxy M21
Apple iPhone 7
Samsung Galaxy M21

Compared 2 smartphones : Apple iPhone 7 Manufactured in September, 2016, with display 4.7 with chipsetApple A10 Fusion, vs Samsung Galaxy M21, Manufactured in March, 2020 with chipsetSamsung Exynos 7 Octa 9611. 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
  • Lighter design: 138g vs 188g
Reasons to choose Samsung Galaxy M21
  • Larger display: 6.4in
  • Higher pixel density: 403ppi
  • Higher battery capacity: 6000mAh 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		 - 4/64 GB
- 6/128 GB

Review

Key Specs Apple iPhone 7 and Samsung Galaxy M21
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:
Apple iPhone 7
vs
Samsung Galaxy M21

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 4.7 in 6.4 in
Resolution 750x1334 pixels 1080x2340 pixels
Aspect ratio 16:9 19.5:9
Pixel density 326 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 625 nits 630 nits
HDR support No No
Screen-to-body ratio 65.6 % 84.2 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Apple iPhone 7
652 nits
Samsung Galaxy M21
608 nits
sRGB gamut100 %141.3 %
PWM (Flicker)n/a215 Hz
Response time35.5 ms9 ms
Contrast1635:1∞ Infinite
Sources: NotebookCheck [Apple iPhone 7], [Samsung Galaxy M21]

Design & Build

Design and ergonomics comparison
Height 138.3 mm (5.44 in) 159 mm (6.26 in)
Width 67.1 mm (2.64 in) 75.1 mm (2.96 in)
Thickness 7.1 mm (0.28 in) 8.9 mm (0.35 in)
Weight 138 g (4.87 oz) 188 g (6.63 oz)
Water resistance IP67 No
Back panel Metal Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gold
- Red
- Pink		 - Black
- Blue
- Green
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Apple iPhone 7
65.6 %
Samsung Galaxy M21
84.2 %

Performance

Testing Apple iPhone 7 and Samsung Galaxy M21 In benchmarks
Processor
Chipset Apple A10 Fusion Samsung Exynos 7 Octa 9611
Max Frequency 2340 MHz 2300 MHz
CPU Cores 4 (2 + 2) 8 (4 + 4)
Architecture - 2/1.05 (Zephyr)
- 2/2.34 (Hurricane)		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process TSMC Samsung
Transistor Size 16 nm 10 nm
Neural Processor No Yes
Graphics PowerVR GT7600 Mali-G72 MP3
GPU Cores 192 54
GPU Frequency 650 MHz 850 MHz
FLOPS 249.6 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Apple iPhone 7
721
Samsung Galaxy M21
514
Geekbench 6 (Multi-Core)
Apple iPhone 7
1923
Samsung Galaxy M21
1558
Geekbench 6 (Single-Core)721514
Geekbench 6 (Multi-Core)19231558
AnTuTu 10
AnTuTu 10
Apple iPhone 7
358237
Samsung Galaxy M21
266455
CPU11205176468
GPU8743145756
Memory5380870269
UX10494773962
NanoReview Score358237266455
3DMark Wild Life
3DMark Wild Life
Apple iPhone 7
2579
Samsung Galaxy M21
816
Max Surface Temp.42.5 °C44.1 °C
Stability62 %73 %
Graphics Test15 fps4 fps
Graphics Score2579816
Sources: 3DMark [Apple iPhone 7], [Samsung Galaxy M21]

Memory

RAM
RAM Size 2 GB - 4 GB
- 6 GB
Memory Type LPDDR4 LPDDR4X
Memory Frequency n/a 1866 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 128 GB
- 256 GB		- 64 GB
- 128 GB
Storage TypeNVMeUFS 2.1
Memory CardNoMicroSD

Software

OS iOS 10 (Upgradeable to iOS 15.8.1) Android 10.0 (Upgradeable to Android 12.0)
OS Size 12.5 GB 14.5 GB
UI Skin n/a One Ui 4.1

Battery

Volume 1960 mAh 6000 mAh
Max Charging Power 5 W 15 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No (7.5 W) No
Reverse Charging No No
Fast Charging No Yes Samsung Adaptive Fast Charge (25% in 30 min)
Full Charge Time 2:35 h 2:35 h
Battery Life Test
Battery Life
Apple iPhone 7
15:51
Samsung Galaxy M21
24:03
Web Browsing05:50 h10:07 h
Video Playback09:49 h13:59 h
Games03:22 h05:35 h
Standby Mode80 h115 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) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (720p) 240 fps (720p)
Wide-angle lens n/a 123 °
Lenses count Standard: 12 MP Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
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
Focal lengthn/a12 mm
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Apple iPhone 7
85
Samsung Galaxy M21
n/a
Video quality
Apple iPhone 7
85
Samsung Galaxy M21
n/a
Overall camera score
Apple iPhone 7
85
Samsung Galaxy M21
n/a
Sources: DxOMark [Apple iPhone 7]

Front camera

Matrix 7 MP 20 MP
Photo resolution 3088x2320 pixels 5184x3888 pixels
Aperture f/2.2 f/2.0
Focal length 32 mm 26 mm
Sensor BSI CMOS CMOS
Pixel size 1 μm n/a
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
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/B3/B5/B7/B8/B20/B38/B40/B41)
LTE category1212
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 M21
83.8 dB

Other

Class Flagship Mid-range
Announced September, 2016 yr March, 2020 yr
Release Date September, 2016 yr March, 2020 yr
Launch Price ($) 649 210
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

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