Xiaomi Redmi Note 11S vs Samsung Galaxy S21
Here we compared two smartphones: the 6.43-inch Xiaomi Redmi Note 11S (with MediaTek Helio G96) that was released on January 26, 2022, against the Samsung Galaxy S21, which is powered by Exynos 2100 and came out 13 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Xiaomi Redmi Note 11S
- Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
- Shows 24% longer battery life (31:47 vs 25:44 hours)
- Expandable storage via MicroSD card up to 1024GB
- The phone is 1-year and 1-month newer
- Includes a 3.5 mm headphone audio jack port
- Has a built-in infrared port
Reasons to consider the Samsung Galaxy S21
- 2.1x better performance in AnTuTu Benchmark (806K versus 382K)
- Higher display refresh rate – 120 Hz
- Handles wireless charging up to 15W
- Optical image stabilization
- Waterproof body (IP68 classification)
- The rear camera has a 1.1x optical zoom
- Ability to record video in 4K resolution
- More energy-efficient CPU – Exynos 2100
- Uses a faster type of memory: LPDDR5 2750 MHz
- Compatible with Wi-Fi 6 wireless networks
- Delivers 16% higher peak brightness (864 against 747 nits)
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 | AMOLED | Dynamic AMOLED |
| Size | 6.43 inches | 6.2 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 409 ppi | 421 ppi |
| Refresh rate | 90 Hz | 120 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 700 nits | 800 nits |
| HDR support | No | Yes, HDR10+ |
| Screen protection | Corning Gorilla Glass 3 | Gorilla Glass Victus |
| Screen-to-body ratio | 84.5% | 87.2% |
| Display features |
- DCI-P3
- Always-On Display |
- DCI-P3
- Always-On Display |
| RGB color space | 99.4% | 99.5% |
| PWM | 401 Hz | 240 Hz |
| Response time | 2 ms | 5 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 159.87 mm (6.29 inches) | 151.7 mm (5.97 inches) |
| Width | 73.87 mm (2.91 inches) | 71.2 mm (2.8 inches) |
| Thickness | 8.09 mm (0.32 inches) | 7.9 mm (0.31 inches) |
| Weight | 179 g (6.31 oz) | 169 g (5.96 oz) |
| Waterproof | IP53 | IP68 |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Metal |
| Colors | Gray, Blue | White, Gray, Pink, Purple |
| Fingerprint scanner | Yes, in-button | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | MediaTek Helio G96 | Samsung Exynos 2100 |
| Max clock | 2050 MHz | 2900 MHz |
| CPU cores | 8 (2 + 6) | 8 (1 + 3 + 4) |
| Architecture |
- 6 cores at 2 GHz: Cortex-A55
- 2 cores at 2.05 GHz: Cortex-A76 |
- 4 cores at 2.2 GHz: Cortex-A55
- 3 cores at 2.81 GHz: Cortex-A78 - 1 core at 2.91 GHz: Cortex-X1 |
| Lithography process | 12 nanometers | 5 nanometers |
| Graphics | Mali-G57 MP2 | Mali-G78 MP14 |
| GPU shading units | 128 | 896 |
| GPU clock | 950 MHz | 854 MHz |
| FLOPS | ~243 GFLOPS | ~1530.4 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 124075 | 150223 |
| GPU | 70878 | 340353 |
| Memory | 86744 | 151885 |
| UX | 100139 | 158712 |
| Total score | 382204 | 806977 |
3DMark Wild Life Performance
| Max surface temperature | 39.5 °C | 38.9 °C |
| Stability | 99% | 66% |
| Graphics test | 7 FPS | 34 FPS |
| Graphics score | 1171 | 5714 |
PCMark 3.0
| Web score | 6402 | 12591 |
| Video editing | 5188 | 7113 |
| Photo editing | 16947 | 29385 |
| Data manipulation | 7181 | 10438 |
| Writing score | 9394 | 16561 |
Memory
| RAM size | 6, 8 GB | 8 GB |
| Memory type | LPDDR4X | LPDDR5 |
| Memory clock | 2133 MHz | 2750 MHz |
| Channels | 2 | 2 |
| Storage size | 64, 128 GB | 128, 256 GB |
| Storage type | UFS 2.2 | UFS 3.1 |
| Memory card | MicroSD | No |
| Memory card max size | Up to 1024 GB | - |
Software
| Operating system | Android 11 (Can be upgraded to Android 13) | Android 11 (Can be upgraded to Android 13) |
| ROM | MIUI 14 | One UI 5.1 |
| OS size | 22 GB | 28.1 GB |
Battery
| Capacity | 5000 mAh | 4000 mAh |
| Max charge power | 33 W | 25 W |
| Battery type | Li-Po | Li-Ion |
| Replaceable | No | No |
| Wireless charging | No | Yes (15 W) |
| Reverse charging | No | Yes, (wireless) |
| Fast charging | Yes (59% in 30 min) | Yes (55% in 50 min) |
| Full charging time | 1:02 hr | 1:35 hr |
| Web browsing | 10:27 hr | 07:27 hr |
| Watching video | 14:18 hr | 12:26 hr |
| Gaming | 06:11 hr | 04:31 hr |
| Standby | 106 hr | 92 hr |
General battery life
Camera
| Matrix | 108 megapixels | 12 megapixels |
| Image resolution | 12032 x 9024 | 4000 x 3000 |
| Zoom | Digital | Optical, 1.1x |
| Flash | LED | Dual LED |
| Stabilization | Digital | Optical |
| 8K video recording | No | Up to 24FPS |
| 4K video recording | No | Up to 60FPS |
| 1080p video recording | Up to 30FPS | Up to 60FPS |
| Slow motion | - | 960 FPS (720p) |
| Angle of widest lens | 118° | 120° |
| Lenses | 4 (108 MP + 8 MP + 2 MP + 2 MP) | 3 (12 MP + 64 MP + 12 MP) |
| Wide (main) lens |
- 108 MP
- Aperture: f/1.9 - Focal length: 26 mm - Pixel size: 0.7 micron - Sensor: 1/1.52", Samsung S5KHM2 (ISOCELL Plus CMOS) - Phase autofocus (Dual Pixel) |
- 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 |
| 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 |
- 8 MP
- Aperture: f/2.2 - Pixel size: 1.14 micron - Sensor: 1/4", Sony IMX355 (Exmor-RS CMOS) |
- 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) |
| Macro lens |
- 2 MP
- Aperture: f/2.8 - Pixel size: 1.75 micron - Sensor: 1/2.8", GalaxyCore GC02M1 (CMOS) |
- |
| Depth lens |
- 2 MP
- Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5", Omnivision OV02B1B (CMOS) |
- |
| Camera features |
- Bokeh mode
- Pro mode |
- Bokeh mode
- Pro mode - RAW support |
| Samples | - | Photo samples of Samsung Galaxy S21 from DxOMark |
| Megapixels | 16 megapixels | 10 megapixels |
| Image resolution | 4920 x 3264 | 3872 x 2592 |
| Aperture | f/2.4 | f/2.2 |
| Focal length | - | 26 mm |
| Pixel size | 1 microns | 1.22 microns |
| Sensor type | CMOS | CMOS |
| Sensor size | 1/3.06" | 1/3.24" |
| Video resolution | 1080p (Full HD) at 30 FPS | 2160p (4K) at 60 FPS |
DxOMark camera tests
Photo quality
Video quality
Generic camera score
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features |
- Dual Band
- Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band
- Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5 |
| Bluetooth features | LE, A2DP | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.2 |
| USB features |
- Charging
- USB-Storage mode - OTG |
- Charging
- USB-Storage mode - USB-Host mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou, Galileo |
| NFC * | Depends on the region | Yes |
| Infrared port | Yes | No |
| Number of SIM * | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support * | No | Yes |
| Hybrid slot | No | No |
| LTE Cat * | 13 | 24 |
| 5G support | No | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | Yes | No |
| FM radio | Yes | No |
| Dolby Atmos | No | Yes |
Speakers test
Max loudness
Other
| Category | Mid-range | Flagship |
| Announced | January 2022 | January 2021 |
| Release date | January 2022 | February 2021 |
| SAR (head) | - | 0.46 W/kg |
| SAR (body) | - | 1.51 W/kg |
| Sensors |
- Proximity sensor
- Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Hall-effect sensor
- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 33 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.