Samsung Galaxy S21 vs A23 5G
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 A23 5G, which is powered by Qualcomm Snapdragon 695 and came out 19 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Samsung Galaxy S21
- Waterproof body (IP68 classification)
- 2x better performance in AnTuTu Benchmark (806K versus 406K)
- Delivers 70% higher peak brightness (864 against 508 nits)
- Handles wireless charging up to 15W
- The rear camera has a 1.1x optical zoom
- Slow-motion recording at 960FPS
- Ability to record video in 4K resolution
- Uses a faster type of memory: LPDDR5 2750 MHz
- Compatible with Wi-Fi 6 wireless networks
- Stereo speakers
- Dynamic AMOLED display (versus competitor''s PLS TFT)
Reasons to consider the Samsung Galaxy A23 5G
- Shows 48% longer battery life (38:04 vs 25:44 hours)
- Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
- Newer Bluetooth version (v5.1)
- Expandable storage via MicroSD card up to 1024GB
- Has a 0.4 inch larger screen size
- The phone is 1-year and 7-months newer
- Includes a 3.5 mm headphone audio jack port
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Value for money
Tests and specifications
Comparison table of technical specifications and testsDisplay
| 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 | 120 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 800 nits | 450 nits |
| HDR support | Yes, HDR10+ | No |
| Screen protection | Gorilla Glass Victus | Corning Gorilla Glass 5 |
| Screen-to-body ratio | 87.2% | 82.5% |
| Display features |
- DCI-P3
- Always-On Display |
- DCI-P3 |
| RGB color space | 99.5% | 99.9% |
| PWM | 240 Hz | - |
| Response time | 5 ms | 22 ms |
| Contrast | ∞ Infinity | 1442:1 |
Peak brightness test (auto)
Design and build
| Height | 151.7 mm (5.97 inches) | 165.4 mm (6.51 inches) |
| Width | 71.2 mm (2.8 inches) | 76.9 mm (3.03 inches) |
| Thickness | 7.9 mm (0.31 inches) | 8.4 mm (0.33 inches) |
| Weight | 169 g (5.96 oz) | 197 g (6.95 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-button |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 2100 | Qualcomm Snapdragon 695 |
| Max clock | 2900 MHz | 2200 MHz |
| CPU cores | 8 (1 + 3 + 4) | 8 (2 + 6) |
| Architecture |
- 4 cores at 2.2 GHz: Cortex-A55
- 3 cores at 2.81 GHz: Cortex-A78 - 1 core at 2.91 GHz: Cortex-X1 |
- 6 cores at 1.8 GHz: Kryo 660 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 660 Gold (Cortex-A78) |
| Lithography process | 5 nanometers | 6 nanometers |
| Graphics | Mali-G78 MP14 | Adreno 619 |
| GPU shading units | 896 | 256 |
| GPU clock | 854 MHz | 950 MHz |
| FLOPS | ~1530.4 GFLOPS | ~486.4 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 150223 | 143456 |
| GPU | 340353 | 82937 |
| Memory | 151885 | 82102 |
| UX | 158712 | 95088 |
| Total score | 806977 | 406623 |
3DMark Wild Life Performance
| Max surface temperature | 38.9 °C | 43.9 °C |
| Stability | 66% | 99% |
| Graphics test | 34 FPS | 7 FPS |
| Graphics score | 5714 | 1197 |
PCMark 3.0
| Web score | 12591 | 9116 |
| Video editing | 7113 | 4805 |
| Photo editing | 29385 | 20729 |
| Data manipulation | 10438 | 8517 |
| Writing score | 16561 | 13323 |
Memory
| RAM size | 8 GB | 4, 6, 8 GB |
| Memory type | LPDDR5 | LPDDR4X |
| Memory clock | 2750 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 128, 256 GB | 64, 128 GB |
| Storage type | UFS 3.1 | UFS 2.2 |
| 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 5.1 | One UI 5.0 |
| OS size | 28.1 GB | - |
Battery
| Capacity | 4000 mAh | 5000 mAh |
| Max charge power | 25 W | 25 W |
| Battery type | Li-Ion | Li-Ion |
| Replaceable | No | No |
| Wireless charging | Yes (15 W) | No |
| Reverse charging | Yes, (wireless) | No |
| Fast charging | Yes (55% in 50 min) | Yes (58% in 30 min) |
| Full charging time | 1:35 hr | 1:08 hr |
| Web browsing | 07:27 hr | 13:53 hr |
| Watching video | 12:26 hr | 14:37 hr |
| Gaming | 04:31 hr | 05:39 hr |
| Standby | 92 hr | 134 hr |
General battery life
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 | Optical |
| 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) | 120 FPS (720p) |
| Angle of widest lens | 120° | 123° |
| 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 - Pixel size: 0.64 micron - Sensor: 1/2.76", Samsung S5KJN1 (ISOCELL Plus CMOS) - Phase autofocus - Optical stabilization |
| 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 - Focal length: 13 mm - Sensor: 1/5", GalaxyCore 5035 (CMOS) |
| Macro lens | - |
- 2 MP
- Aperture: f/2.4 - Focal length: 26 mm |
| 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 | - |
| 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 | 1.12 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 | 5.1 |
| Bluetooth features | LE, A2DP | LE, 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, Galileo |
| NFC * | Yes | Yes |
| Infrared port | No | No |
| Number of SIM * | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support * | Yes | No |
| Hybrid slot | No | No |
| LTE Cat * | 24 | 18 |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Mono |
| Headphone audio jack | No | Yes |
| FM radio | No | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Flagship | Mid-range |
| Announced | January 2021 | August 2022 |
| Release date | February 2021 | September 2022 |
| SAR (head) | 0.46 W/kg | 1.49 W/kg |
| SAR (body) | 1.51 W/kg | 1.25 W/kg |
| Sensors |
- Hall-effect sensor
- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Barometer
- Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | - | Not included |
*
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.