Samsung Galaxy M21 vs Apple iPhone X

Compared 2 smartphones : Samsung Galaxy M21 Manufactured in March, 2020, with display 6.4 with chipsetSamsung Exynos 7 Octa 9611, vs Apple iPhone X, Manufactured in November, 2017 with chipsetApple A11 Bionic. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy M21
  • Larger display: 6.4in
  • Higher battery capacity: 6000mAh vs 2716mAh
  • Fingerprint scanner
Reasons to choose Apple iPhone X
  • Higher pixel density: 458ppi
  • Lighter design: 174g vs 188g

Versions

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

Review

Key Specs Samsung Galaxy M21 and Apple iPhone X
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

Display

Display quality comparison
Type Super AMOLED OLED
Size 6.4 in 5.8 in
Resolution 1080x2340 pixels 1125x2436 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 403 ppi 458 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 630 nits 625 nits
HDR support No Yes Dolby Vision
Screen-to-body ratio 84.2 % 81.1 %
Features Always-On Display DCI-P3
Display test
Peak brightness (auto)
Samsung Galaxy M21
608 nits
Apple iPhone X
606 nits
sRGB gamut141.3 %99.3 %
PWM (Flicker)215 Hz240 Hz
Response time9 ms2.2 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 159 mm (6.26 in) 143.6 mm (5.65 in)
Width 75.1 mm (2.96 in) 70.9 mm (2.79 in)
Thickness 8.9 mm (0.35 in) 7.7 mm (0.3 in)
Weight 188 g (6.63 oz) 174 g (6.14 oz)
Water resistance No IP67
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Blue
- Green
- Silver
- Gray
Fingerprint sensor Yes rear No
Screen-to-body ratio
Samsung Galaxy M21
84.2 %
Apple iPhone X
81.1 %

Performance

Testing Samsung Galaxy M21 and Apple iPhone X In benchmarks
Processor
Chipset Samsung Exynos 7 Octa 9611 Apple A11 Bionic
Max Frequency 2300 MHz 2390 MHz
CPU Cores 8 (4 + 4) 6 (2 + 4)
Architecture - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
- 4/1.42 (Mistral)
- 2/2.39 (Monsoon)
Process Samsung TSMC
Transistor Size 10 nm 10 nm
Neural Processor Yes Apple Neural Engine
Graphics Mali-G72 MP3 Apple A11 GPU
GPU Cores 54 192
GPU Frequency 850 MHz 1066 MHz
FLOPS 113.8 GFLOPS 409.3 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy M21
514
Apple iPhone X
1089
Geekbench 6 (Multi-Core)
Samsung Galaxy M21
1558
Apple iPhone X
2918
Geekbench 6 (Single-Core)5141089
Geekbench 6 (Multi-Core)15582918
AnTuTu 10
AnTuTu 10
Samsung Galaxy M21
266455
Apple iPhone X
507548
CPU76468192337
GPU45756122353
Memory70269101238
UX7396291620
NanoReview Score266455507548
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy M21
816
Apple iPhone X
3522
Max Surface Temp.44.1 °C45.7 °C
Stability73 %63 %
Graphics Test4 fps21 fps
Graphics Score8163522

Memory

RAM
RAM Size - 4 GB
- 6 GB
3 GB
Memory Type LPDDR4X LPDDR4
Memory Frequency 1866 MHz n/a
Channels 2 2
Storage
Storage Capacity- 64 GB
- 128 GB
- 64 GB
- 256 GB
Storage TypeUFS 2.1NVMe
Memory CardMicroSDNo

Software

OS Android 10.0 (Upgradeable to Android 12.0) iOS 11.1 (Upgradeable to iOS 16.5)
OS Size 14.5 GB 5.3 GB
UI Skin One Ui 4.1 n/a

Battery

Volume 6000 mAh 2716 mAh
Max Charging Power 15 W 18 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No Yes Qi (7.5 W)
Reverse Charging No No
Fast Charging Yes Samsung Adaptive Fast Charge (25% in 30 min) Yes (50% in 30 min)
Full Charge Time 2:35 h 2:00 h
Battery Life Test
Battery Life
Samsung Galaxy M21
24:03
Apple iPhone X
16:26
Web Browsing10:07 h05:31 h
Video Playback13:59 h09:07 h
Games05:35 h03:35 h
Standby Mode115 h93 h

Main camera

Matrix 48 MP 12 MP
Photo resolution 8000x6000 pixels 4032x3024 pixels
Zoom Digital Optical, 2x
Flash LED Quad LED
Stabilization Digital Optical
8K Recording No No
4K Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 240 fps)
Slow Motion 240 fps (720p) 240 fps (1080p)
Wide-angle lens 123 ° n/a
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP
Standard: 12 MP
Telephoto: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP12 MP
Aperturef/2.0f/1.8
Focal length26 mm28 mm
SensorSamsung S5KGM2Apple iSight Duo Camera
Sensor size1/2.01/3
Pixel size0.8 μm1.22 μm
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationDigitalOptical
Telephoto
Matrixn/a12 MP
Aperturen/af/2.4
Focal lengthn/a52 mm
Sensor sizen/a1/3.4
Pixel sizen/a1 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MPn/a
Aperturef/2.2n/a
Focal length12 mmn/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Samsung Galaxy M21
n/a
Apple iPhone X
101
Video quality
Samsung Galaxy M21
n/a
Apple iPhone X
89
Overall camera score
Samsung Galaxy M21
n/a
Apple iPhone X
97

Front camera

Matrix 20 MP 7 MP
Photo resolution 5184x3888 pixels 3472x2063 pixels
Aperture f/2.0 f/2.2
Focal length 26 mm 32 mm
Sensor CMOS BSI CMOS
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy M21
n/a
Apple iPhone X
88
Video quality
Samsung Galaxy M21
n/a
Apple iPhone X
92

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 Direct
- Wi-Fi Hotspot
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5 5
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE, A2DP
USB type USB Type-C No
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM Standbyn/a
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850 / 900 / 1800 / 1900
3G BandsB1 (2100), B2 (1900), B5(850), B8 (900)HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)LTE (B1/B2/B3/B4(1700/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B29/B30/B34/B38/B39/B40/B41/B66(1700/B2100))
LTE category1216
5G SupportNoNo

Sound

Speakers Mono Stereo
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy M21
83.8 dB
Apple iPhone X
85.3 dB

Other

Class Mid-range Flagship
Announced March, 2020 yr September, 2017 yr
Release Date March, 2020 yr November, 2017 yr
Launch Price ($) 210 999
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Face 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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