Apple iPhone 7 vs Samsung Galaxy S21

Compared 2 smartphones : Apple iPhone 7 Manufactured in September, 2016, with display 4.7 with chipsetApple A10 Fusion, vs Samsung Galaxy S21, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Apple iPhone 7
  • Lighter design: 138g vs 169g
Reasons to choose Samsung Galaxy S21
  • Larger display: 6.2in
  • Higher pixel density: 421ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 4000mAh vs 1960mAh
  • Newer Bluetooth version: 5 vs 4.2
  • Supports newer USB: 3.2 vs 2
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 2/128 GB
- 2/256 GB
- 8/128 GB
- 8/256 GB

Review

Key Specs Apple iPhone 7 and Samsung Galaxy S21
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 IPS LCD Dynamic AMOLED
Size 4.7 in 6.2 in
Resolution 750x1334 pixels 1080x2400 pixels
Aspect ratio 16:9 20:9
Pixel density 326 ppi 421 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (48-120 Hz)
Max brightness 625 nits 800 nits
HDR support No Yes HDR10+
Screen-to-body ratio 65.6 % 85.9 %
Features n/a - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Apple iPhone 7
652 nits
Samsung Galaxy S21
854 nits
sRGB gamut100 %99.5 %
PWM (Flicker)n/a240 Hz
Response time35.5 ms5 ms
Contrast1635:1∞ Infinite

Design & Build

Design and ergonomics comparison
Height 138.3 mm (5.44 in) 151.7 mm (5.97 in)
Width 67.1 mm (2.64 in) 71.2 mm (2.8 in)
Thickness 7.1 mm (0.28 in) 7.9 mm (0.31 in)
Weight 138 g (4.87 oz) 169 g (5.96 oz)
Water resistance IP67 IP68
Back panel Metal Plastic
Frame Metal Metal
Colors - Black
- Silver
- Gold
- Red
- Pink
- White
- Gray
- Pink
- Purple
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Apple iPhone 7
65.6 %
Samsung Galaxy S21
85.9 %

Performance

Testing Apple iPhone 7 and Samsung Galaxy S21 In benchmarks
Processor
Chipset Apple A10 Fusion Samsung Exynos 2100
Max Frequency 2340 MHz 2900 MHz
CPU Cores 4 (2 + 2) 8 (1 + 3 + 4)
Architecture - 2/1.05 (Zephyr)
- 2/2.34 (Hurricane)
- 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
Process TSMC Samsung
Transistor Size 16 nm 5 nm
Neural Processor No Yes
Graphics PowerVR GT7600 Mali-G78 MP14
GPU Cores 192 896
GPU Frequency 650 MHz 854 MHz
FLOPS 249.6 GFLOPS 1530.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Apple iPhone 7
721
Samsung Galaxy S21
1331
Geekbench 6 (Multi-Core)
Apple iPhone 7
1923
Samsung Galaxy S21
3593
Geekbench 6 (Single-Core)7211331
Geekbench 6 (Multi-Core)19233593
AnTuTu 10
AnTuTu 10
Apple iPhone 7
358237
Samsung Galaxy S21
903780
CPU112051253391
GPU87431281676
Memory53808158352
UX104947210361
NanoReview Score358237903780
3DMark Wild Life
3DMark Wild Life
Apple iPhone 7
2579
Samsung Galaxy S21
5715
Max Surface Temp.42.5 °C38.9 °C
Stability62 %66 %
Graphics Test15 fps34 fps
Graphics Score25795715
PCMark 3.0
PCMark 3.0
Apple iPhone 7
n/a
Samsung Galaxy S21
13123
Writing scoren/a16101
Web scoren/a11909
Video editingn/a7097
Data manipulationn/a10153
NanoReview Scoren/a13123

Memory

RAM
RAM Size 2 GB 8 GB
Memory Type LPDDR4 LPDDR5
Memory Frequency n/a 2750 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 128 GB
- 256 GB
- 128 GB
- 256 GB
Storage TypeNVMeUFS 3.1
Memory CardNoNo

Software

OS iOS 10 (Upgradeable to iOS 15.8.1) Android 11 (Upgradeable to Android 14)
OS Size 12.5 GB 28.1 GB
UI Skin n/a One UI 6.0

Battery

Volume 1960 mAh 4000 mAh
Max Charging Power 5 W 25 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No (7.5 W) Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging No Yes (55% in 50 min)
Full Charge Time 2:35 h 1:35 h
Battery Life Test
Battery Life
Apple iPhone 7
15:51
Samsung Galaxy S21
17:54
Web Browsing05:50 h06:01 h
Video Playback09:49 h11:06 h
Games03:22 h04:21 h
Standby Mode80 h95 h

Main camera

Matrix 12 MP 12 MP
Photo resolution 4032x3024 pixels 4000x3000 pixels
Zoom Digital Optical, 1.1x
Flash Quad LED Dual LED
Stabilization Optical Optical
8K Recording No Up to 24FPS
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) 960 fps (720p)
Wide-angle lens n/a 120 °
Lenses count Standard: 12 MP Standard: 12 MP
Telephoto: 64 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix12 MP12 MP
Aperturef/1.8f/1.8
Focal length28 mm26 mm
SensorApple iSight CameraSony IMX555
Sensor size1/31/1.76
Pixel size1.22 μm1.8 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto
Matrixn/a64 MP
Aperturen/af/2.0
Focal lengthn/a28 mm
Sensorn/aSamsung Bright S5KGW2
Sensor sizen/a1/1.72
Pixel sizen/a0.8 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a13 mm
Sensorn/aSony IMX563
Sensor sizen/a1/2.55
Pixel sizen/a1.4 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Apple iPhone 7
85
Samsung Galaxy S21
129
Video quality
Apple iPhone 7
85
Samsung Galaxy S21
137
Overall camera score
Apple iPhone 7
85
Samsung Galaxy S21
133
Bokehn/a70
Previewn/a72
Zoomn/a126

Front camera

Matrix 7 MP 10 MP
Photo resolution 3088x2320 pixels 3872x2592 pixels
Aperture f/2.2 f/2.2
Focal length 32 mm 26 mm
Sensor BSI CMOS Sony IMX374
Sensor size n/a 1/3.24
Pixel size 1 μm 1.22 μm
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 1080p (Full HD) 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 6 (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 4.2 5
Bluetooth features LE, A2DP LE, A2DP
USB type No USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- Charging
- USB Storage Mode
- USB-Host 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 *NoYes
Hybrid SlotNoNo
2G BandsGSM 850 / 900 / 1800 / 1900GSM 850, 900, 1800, 1900 MHz
3G BandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100WCDMA Band 1, 2, 4, 5, 8
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/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE category1224
5G SupportNoYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Apple iPhone 7
83 dB
Samsung Galaxy S21
87 dB

Other

Class Flagship Flagship
Announced September, 2016 yr January, 2021 yr
Release Date September, 2016 yr February, 2021 yr
Launch Price ($) 649 800
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S21 the clear winner in this comparison.

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