Samsung Galaxy S21 Ultra vs A53 5G

Here we compared two smartphones: the 6.8-inch Samsung Galaxy S21 Ultra (with Exynos 2100) that was released on January 14, 2021, against the Samsung Galaxy A53 5G, which is powered by Exynos 1280 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 Ultra
  • The rear camera has a 10x optical zoom
  • 73% better performance in AnTuTu Benchmark (754K versus 436K)
  • Better camera quality (According to DxOMark rating)
  • 27% higher pixel density (515 vs 405 PPI)
  • Supports wireless charging up to 15W
  • Newer Bluetooth version (v5.2)
  • Waterproof body (IP68 classification)
  • Has a 0.3 inch larger screen size
  • Slow-motion recording at 960FPS
  • Uses a faster type of memory: LPDDR5 2750 MHz
  • Delivers 23% higher peak brightness (1028 against 834 nits)
  • Ready for eSIM technology
Reasons to consider the Samsung Galaxy A53 5G
  • Shows 9% longer battery life (34:12 vs 31:14 hours)
  • Expandable storage via MicroSD card up to 1024GB
  • The phone is 1-year and 2-months newer
  • Weighs 38 grams less

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 Super AMOLED
Size 6.8 inches 6.5 inches
Resolution 1440 x 3200 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 515 ppi 405 ppi
Refresh rate 120 Hz 120 Hz
Max rated brightness 1500 nits 500 nits
Max rated brightness in HDR - 830 nits
HDR support Yes, HDR10+ Yes, HDR10
Screen protection Gorilla Glass Victus Corning Gorilla Glass 5
Screen-to-body ratio 89.8% 85.4%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
Display tests
RGB color space - 97.6%
PWM - 250 Hz
Response time - 9 ms
Contrast - ∞ Infinity
Peak brightness test (auto)
1028 nits
834 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 165.1 mm (6.5 inches) 159.6 mm (6.28 inches)
Width 75.6 mm (2.98 inches) 74.8 mm (2.94 inches)
Thickness 8.9 mm (0.35 inches) 8.1 mm (0.32 inches)
Weight 227 gramm (8.01 oz) 189 gramm (6.67 oz)
Waterproof IP68 IP67
Rear material Glass Plastic
Frame material Metal Plastic
Colors Black, Silver, Gray, Blue White, Black, Blue, Yellow
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio

Performance

Tests of Samsung Galaxy S21 Ultra and Samsung Galaxy A53 5G in the benchmarks
SoC
Chipset Samsung Exynos 2100 Samsung Exynos 1280
Max. clock 2840 MHz 2400 MHz
CPU cores 8 (1 + 3 + 4) 8 (2 + 6)
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
- 6 cores at 2 GHz: Cortex-A55
- 2 cores at 2.4 GHz: Cortex-A78
Lithography process 5 nanometers 5 nanometers
Graphics Mali-G78 MP14 Mali-G68
GPU clock 760 MHz 1000 MHz
Memory
RAM size 12, 16 GB 6, 8 GB
Memory type LPDDR5 LPDDR4X
Memory clock 2750 MHz 2133 MHz
Channels 2 2
Storage
Storage size 128, 256, 512 GB 128, 256 GB
Storage type UFS 3.1 UFS 2.2
Memory card No MicroSD
Memory card max. size - Up to 1024 GB

Benchmarks

Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
754660
436246
CPU 191240 122472
GPU 256481 121866
Memory 151369 75491
UX 149052 113308
Total score 754660 436246
3DMark Wild Life Performance
Stability 69% 99%
Graphics test 31 FPS 13 FPS
Graphics score 5221 2287
PCMark 3.0 score - 11337
Sources: 3DMark [3], [4]

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 5.0
OS size 26.4 GB 36 GB

Battery

Specifications
Capacity 5000 mAh 5000 mAh
Charge power 25 W 25 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (15 W) No
Reverse charging Yes, (wireless) No
Fast charging Yes (54% in 30 min) Yes (45% in 30 min)
Full charging time 1:11 hr 1:24 hr
Battery life tests
Web browsing 10:13 hr 10:47 hr
Watching video 15:32 hr 15:55 hr
Gaming 05:26 hr 05:13 hr
Standby 98 hr 120 hr
General battery life
31:14 hr
34:12 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 108 megapixels 64 megapixels
Image resolution 12000 x 9000 9000 x 7000
Zoom Optical, 10x Digital
Flash Dual LED LED
Stabilization Optical Optical
8K video recording Up to 24FPS No
4K video recording Up to 60FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 240 FPS (720p)
Angle of widest lens 120° 123°
Lenses 4 (108 MP + 10 MP + 10 MP + 12 MP) 4 (64 MP + 12 MP + 5 MP + 5 MP)
Wide (main) lens - 108 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.33", Samsung S5KHM3 (ISOCELL Plus CMOS)
- Laser autofocus
- Optical stabilization
- 64 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Phase autofocus
- Optical stabilization
Telephoto lens - 10 MP
- Aperture: f/4.9
- Focal length: 240 mm
- Pixel size: 1.22 micron
- Sensor: 1/2.65", Samsung S5K3J1 (ISOCELL 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)
- 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0" (CMOS)
Macro lens - - 5 MP
- Aperture: f/2.4
Depth lens - - 5 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
Samples Photo samples of Samsung Galaxy S21 Ultra from DxOMark Photo samples of Samsung Galaxy A53 5G from DxOMark
Selfie camera
Megapixels 40 megapixels 32 megapixels
Image resolution 7864 x 5200 6464 x 4864
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Pixel size 0.7 microns 0.8 microns
Sensor type ISOCELL CMOS CMOS
Sensor size 1/2.65" 1/2.8"
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 30 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 6E (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 5.2 5.1
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
- OTG
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 Yes
LTE Cat* 24 18
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No -
Dolby Atmos Yes Yes
Speakers test
Max. loudness
88 dB
86.1 dB

Other

Category Flagship Mid-range
Announced January 2021 March 2022
Release date February 2021 April 2022
SAR (head) 0.71 W/kg -
SAR (body) 1.58 W/kg -
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- 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 Ultra is definitely a better buy.

Cast your vote

So, which phone would you choose?
46 (75.4%)
15 (24.6%)
Total votes: 61

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