Samsung Galaxy S21 vs Galaxy M13
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 M13, which is powered by Exynos 850 and came out 17 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)
- 4.6x better performance in AnTuTu Benchmark (806K versus 176K)
- Higher display refresh rate – 120 Hz
- Delivers 94% higher peak brightness (864 against 445 nits)
- Has 2x more RAM: 8GB versus 4GB
- Handles 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
- Compatible with Wi-Fi 6 wireless networks
- Stereo speakers
- More recent OS version: Android 13 versus 12
Reasons to consider the Samsung Galaxy M13
- Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
- Expandable storage via MicroSD card up to 1024GB
- Has a 0.4 inch larger screen size
- The phone is 1-year and 5-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
Scores with a red asterisk (
*
) are approximate and may change in the future as we gather more data.
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 | 60 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 800 nits | 450 nits |
| HDR support | Yes, HDR10+ | No |
| Screen protection | Gorilla Glass Victus | Tempered glass |
| Screen-to-body ratio | 87.2% | 82.7% |
| Display features |
- DCI-P3
- Always-On Display |
- |
| RGB color space | 99.5% | 99.9% |
| PWM | 240 Hz | Not detected |
| Response time | 5 ms | 20 ms |
| Contrast | ∞ Infinity | 1119:1 |
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) | 192 g (6.77 oz) |
| Waterproof | IP68 | No |
| Rear material | Plastic | Plastic |
| Frame material | Metal | Plastic |
| Colors | White, Gray, Pink, Purple | Blue, Green, Orange |
| Fingerprint scanner | Yes, in-display | Yes, in-button |
Screen-to-body ratio
Performance
| 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 2.81 GHz: Cortex-A78 - 1 core at 2.91 GHz: Cortex-X1 |
- 8 cores at 2 GHz: Cortex-A55 |
| Lithography process | 5 nanometers | 8 nanometers |
| Graphics | Mali-G78 MP14 | Mali-G52 MP1 |
| GPU shading units | 896 | 24 |
| GPU clock | 854 MHz | 820 MHz |
| FLOPS | ~1530.4 GFLOPS | ~39.4 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 150223 | 61138 |
| GPU | 340353 | 16754 |
| Memory | 151885 | 48223 |
| UX | 158712 | 49868 |
| Total score | 806977 | 176904 |
3DMark Wild Life Performance
| Max surface temperature | 38.9 °C | 42.1 °C |
| Stability | 66% | 97% |
| Graphics test | 34 FPS | 3 FPS |
| Graphics score | 5714 | 511 |
PCMark 3.0
| Web score | 12591 | 4850 |
| Video editing | 7113 | 4780 |
| Photo editing | 29385 | 7673 |
| Data manipulation | 10438 | 3264 |
| Writing score | 16561 | 5000 |
Memory
| RAM size | 8 GB | 4 GB |
| Memory type | LPDDR5 | LPDDR4X |
| Memory clock | 2750 MHz | - |
| Channels | 2 | 2 |
| Storage size | 128, 256 GB | 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 |
| ROM | One UI 5.1 | One UI Core 4.1 |
| OS size | 28.1 GB | 22.3 GB |
Battery
| Capacity | 4000 mAh | 5000 mAh |
| Max charge power | 25 W | 15 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 (50% in 50 min) |
| Full charging time | 1:35 hr | 2:00 hr |
| Web browsing | 07:27 hr | - |
| Watching video | 12:26 hr | - |
| Gaming | 04:31 hr | - |
| Standby | 92 hr | - |
General battery life
Camera
| Matrix | 12 megapixels | 50 megapixels |
| Image resolution | 4000 x 3000 | 8160 x 6120 |
| 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° | 123° |
| Lenses | 3 (12 MP + 64 MP + 12 MP) | 3 (50 MP + 5 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 - 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) |
| 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 | - |
| 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 | LE |
| 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, QZSS |
| NFC * | Yes | Depends on the region |
| 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 | 7 |
| 5G support | Yes | No |
Sound
| Speakers | Stereo | Mono |
| Headphone audio jack | No | Yes |
| FM radio | No | Yes |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Flagship | Budget |
| Announced | January 2021 | May 2022 |
| Release date | February 2021 | June 2022 |
| SAR (head) | 0.46 W/kg | - |
| SAR (body) | 1.51 W/kg | - |
| Sensors |
- Hall-effect sensor
- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Accelerometer
- Compass - Fingerprint |
| Bundled charger | - | Yes, 10 W |
*
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.