Samsung Galaxy S21 vs Galaxy A13

Here we compared two smartphones: the 6.2-inch Samsung Galaxy S21 (with Exynos 2100) that was released on January 14, 2021, against the Samsung Galaxy A13, which is powered by Exynos 850 and came out 14 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S21
  • Waterproof body (IP68 classification)
  • 6.2x better performance in AnTuTu Benchmark (766K versus 124K)
  • Higher display refresh rate – 120 Hz
  • Delivers 45% higher peak brightness (850 against 585 nits)
  • Compatible with the latest Wi-Fi 6 wireless networks
  • Supports wireless charging up to 15W
  • Optical image stabilization
  • The rear camera has a 1.1x optical zoom
  • Ability to record video in 4K resolution
  • Uses a faster type of memory: LPDDR5 2750 MHz
  • Stereo speakers
  • Dynamic AMOLED display (versus competitor's PLS TFT)
Reasons to consider the Samsung Galaxy A13
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • Shows 35% longer battery life (34:21 vs 25:31 hours)
  • Expandable storage via MicroSD card up to 1024GB
  • Has a 0.4 inch larger screen size
  • The phone is 1-year and 2-months newer
  • Includes a 3.5 mm headphone audio jack port
We may receive a commission from Amazon for purchases made using the links below, but this has no bearing on our assessment methodology.

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED PLS TFT
Size 6.2 inches 6.6 inches
Resolution 1080 x 2400 pixels 1080 x 2408 pixels
Aspect ratio 20:9 20:9
PPI 421 ppi 400 ppi
Refresh rate 120 Hz 60 Hz
Max rated brightness 800 nits 500 nits
HDR support Yes, HDR10+ No
Screen protection Gorilla Glass Victus Corning Gorilla Glass 5
Screen-to-body ratio 87.2% 83.2%
Display features - DCI-P3
- Always-On Display
-
Display tests
RGB color space 99.5% 99.9%
PWM 240 Hz Not detected
Response time 5 ms 33 ms
Contrast ∞ Infinity 1257:1
Peak brightness test (auto)
Galaxy S21 +45%
850 nits
585 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 151.7 mm (5.97 inches) 165.1 mm (6.5 inches)
Width 71.2 mm (2.8 inches) 76.4 mm (3.01 inches)
Thickness 7.9 mm (0.31 inches) 8.8 mm (0.35 inches)
Weight 169 g (5.96 oz) 195 g (6.88 oz)
Waterproof IP68 No
Rear material Plastic Plastic
Frame material Metal Plastic
Colors White, Gray, Pink, Purple White, Black, Blue, Yellow
Fingerprint scanner Yes, in-display Yes, in home button
Screen-to-body ratio
87.2%
83.2%

Performance

Tests of Samsung Galaxy S21 and Samsung Galaxy A13 in the benchmarks
SoC
Chipset Samsung Exynos 2100 Samsung Exynos 850
Max. clock 2900 MHz 2000 MHz
CPU cores 8 (1 + 3 + 4) 8 (8)
Architecture - 4 cores at 2.2 GHz: Cortex-A55
- 3 cores at 2.8 GHz: Cortex-A78
- 1 core at 2.9 GHz: Cortex-X1
- 8 cores at 2 GHz: Cortex-A55
Lithography process 5 nanometers 8 nanometers
Graphics Mali-G78 MP14 Mali-G52 MP1
GPU clock 760 MHz 820 MHz
FLOPS - ~126 GFLOPS

Benchmarks

Geekbench 5 (Single-Core)
Galaxy S21 +574%
1025
Geekbench 5 (Multi-Core)
Galaxy S21 +448%
3214
AnTuTu Benchmark 9
Galaxy S21 +515%
766721
124595
CPU 203417 35523
GPU 272156 24759
Memory 144766 30778
UX 146598 33751
Total score 766721 124595
3DMark Wild Life Performance
Galaxy S21 +1019%
5685
Stability 66% 97%
Graphics test 34 FPS 3 FPS
Graphics score 5685 508
PCMark 3.0 score 13727 4902
Sources: 3DMark [3], [4]

Memory

RAM
RAM size 8 GB 3, 4, 6 GB
Memory type LPDDR5 LPDDR4X
Memory clock 2750 MHz -
Channels 2 2
Storage
Storage size 128, 256 GB 32, 64, 128 GB
Storage type UFS 3.1 eMMC 5.1
Memory card No MicroSD
Memory card max. size - Up to 1024 GB

Software

Operating system Android 11 (Can be upgraded to Android 13) Android 12 (Can be upgraded to Android 13)
ROM One UI 5.0 One UI Core 5.0
OS size 28.1 GB 16.5 GB

Battery

Specifications
Capacity 4000 mAh 5000 mAh
Charge power 25 W 15 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (15 W) No
Reverse charging Yes, (wireless) No
Fast charging Yes (55% in 50 min) Yes (27% in 30 min)
Full charging time 1:35 hr 2:18 hr
Battery life tests
Web browsing 07:17 hr 11:49 hr
Watching video 12:26 hr 13:14 hr
Gaming 04:20 hr 06:54 hr
Standby 92 hr 122 hr
General battery life
25:31 hr
Galaxy A13 +35%
34:21 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 12 megapixels 50 megapixels
Image resolution 4000 x 3000 8192 x 6144
Zoom Optical, 1.1x Digital
Flash Dual LED LED
Stabilization Optical Digital
8K video recording Up to 24FPS No
4K video recording Up to 60FPS No
1080p video recording Up to 60FPS Up to 30FPS
Slow motion 960 FPS (720p) -
Angle of widest lens 120° -
Lenses 3 (12 MP + 64 MP + 12 MP) 4 (50 MP + 5 MP + 2 MP + 2 MP)
Wide (main) lens - 12 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 1.8 micron
- Sensor: 1/1.76", Sony IMX555 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 50 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.64 micron
- Sensor: 1/2.76", Samsung S5KJN1 (ISOCELL CMOS)
- Phase autofocus
Telephoto lens - 64 MP
- Aperture: f/2.0
- Focal length: 28 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72", Samsung Bright S5KGW2 (ISOCELL Plus CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
-
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX563 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- 5 MP
- Aperture: f/2.2
- Pixel size: 1.12 micron
- Sensor: 1/5" (CMOS)
Macro lens - - 2 MP
- Aperture: f/2.4
Depth lens - - 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
Samples Photo samples of Samsung Galaxy S21 from DxOMark -
Selfie camera
Megapixels 10 megapixels 8 megapixels
Image resolution 3872 x 2592 3264 x 2448
Aperture f/2.2 f/2.2
Focal length 26 mm -
Pixel size 1.22 microns -
Sensor type CMOS CMOS
Sensor size 1/3.24" -
Video resolution 2160p (4K) at 60 FPS 1080p (Full HD) at 30 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 6 (802.11 a/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 5
Bluetooth features LE, A2DP PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG
- Charging
- USB-Storage mode
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* Yes Depends on the region
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes No
Hybrid slot No -
LTE Cat* 24 7
5G support Yes No

Sound

Speakers Stereo Mono
Headphone audio jack No Yes
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max. loudness
87 dB
83.3 dB

Other

Category Flagship Budget
Announced January 2021 March 2022
Release date February 2021 March 2022
SAR (head) 0.46 W/kg 0.37 W/kg
SAR (body) 1.51 W/kg 1.39 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Gyroscope
- Accelerometer
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Samsung Galaxy S21 is definitely a better buy.

Cast your vote

So, which phone would you choose?
30 (52.6%)
27 (47.4%)
Total votes: 57

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