Xiaomi Redmi Note 11 vs Samsung Galaxy A21s
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Xiaomi Redmi Note 11 Samsung Galaxy A21s
Here we compared two smartphones: the 6.43-inch Xiaomi Redmi Note 11 (with Qualcomm Snapdragon 680) that was released on January 26 2022 against the Samsung Galaxy A21s which is powered by Exynos 850 and came out 21 months before. On this page you will find tests full specs strengths and weaknesses of each of the gadgets.
- Differences
- Review
- Specs
- Benchmarks
- Battery life
- Camera
- Comments
Key differences
An overview of the main advantages of each smartphone Reasons to consider the Xiaomi Redmi Note 11
- Water-resistant body (IP53 classification)
- 91% better performance in AnTuTu Benchmark (278K versus 146K)
- Higher display refresh rate – 90 Hz
- 51% higher pixel density (409 vs 270 PPI)
- Delivers 50% higher peak brightness (737 against 491 nits)
- Stereo speakers
- The phone is 1-year and 9-months newer
- Slow-motion recording at 120FPS
- AMOLED display (versus competitor's PLS TFT)
- Has a built-in infrared port
Review
Display Screen quality color accuracy brightness Redmi Note 11 82 Galaxy A21s 53 Performance CPU/GPU performance in apps and games Redmi Note 11 38 Galaxy A21s 24 Battery Battery life charging type and speed Redmi Note 11 84 Galaxy A21s 82 Camera Photo and video recording quality Redmi Note 11 59 Galaxy A21s 54 Connectivity Networks ports data transmission Redmi Note 11 76 Galaxy A21s 74 NanoReview score Final comparison evaluation Redmi Note 11 66 Galaxy A21s 54
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. Xiaomi Redmi Note 11 Price Samsung Galaxy A21s Calculate
Tests and specifications
Comparison table of technical specifications and tests Phone: Redmi Note 11 vs Galaxy A21s
Display
| Type | AMOLED | PLS TFT |
| Size | 6.43 inches | 6.5 inches |
| Resolution | 1080 x 2400 pixels | 720 x 1600 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 409 ppi | 270 ppi |
| Refresh rate | 90 Hz | 60 Hz |
| Max rated brightness | 700 nits | 540 nits |
| Max rated brightness in HDR | 1000 nits | - |
| HDR support | Yes HDR10+ | No |
| Screen protection | Corning Gorilla Glass 3 | Tempered glass |
| Screen-to-body ratio | 84.5% | 82.8% |
| Display features | - DCI-P3 - Always-On Display | - |
Display tests | RGB color space | 95.1% | 88.4% |
| PWM | 171 Hz | 500 Hz |
| Response time | 2 ms | 30.4 ms |
| Contrast | ∞ Infinity | 1500:1 |
Peak brightness test (auto) Redmi Note 11 +50% 737 nits Galaxy A21s 491 nits Sources: NotebookCheck [3] [4]
Design and build
| Height | 159.87 mm (6.29 inches) | 163.6 mm (6.44 inches) |
| Width | 73.87 mm (2.91 inches) | 75.3 mm (2.96 inches) |
| Thickness | 8.09 mm (0.32 inches) | 8.9 mm (0.35 inches) |
| Weight | 179 gramm (6.31 oz) | 192 gramm (6.77 oz) |
| Waterproof | IP53 | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | Gray Blue | Black Blue Red |
| Fingerprint scanner | Yes in home button | Yes rear |
Screen-to-body ratio Redmi Note 11 +2% 84.5% Galaxy A21s 82.8%
Performance
Tests of Xiaomi Redmi Note 11 and Samsung Galaxy A21s in the benchmarks
SoC | Chipset | Qualcomm Snapdragon 680 | Samsung Exynos 850 |
| Max. clock | 2400 MHz | 2000 MHz |
| CPU cores | 8 (4 + 4) | 8 (8) |
| Architecture | - 4 cores at 1.9 GHz: Kryo 265 Silver (Cortex-A53) - 4 cores at 2.4 GHz: Kryo 265 Gold (Cortex-A73) | - 8 cores at 2 GHz: Cortex-A55 |
| Lithography process | 6 nanometers | 8 nanometers |
| Graphics | Adreno 610 | Mali-G52 MP1 |
| GPU clock | 1114 MHz | 820 MHz |
| FLOPS | - | ~126 GFLOPS |
Memory | RAM size | 4 6 GB | 3 4 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 2133 MHz | 1866 MHz |
| Channels | 2 | 2 |
Storage | Storage size | 64 128 GB | 32 64 GB |
| Storage type | UFS 2.2 | eMMC 5.1 |
| Memory card | MicroSD | MicroSD |
| Memory card max. size | Up to 1024 GB | Up to 512 GB |
Benchmarks
Geekbench 5 (Single-Core) Redmi Note 11 +98% 379 Galaxy A21s 191 Geekbench 5 (Multi-Core) Redmi Note 11 +50% 1670 Galaxy A21s 1114 AnTuTu Benchmark 9 Redmi Note 11 +91% 278691 Galaxy A21s 146163
| CPU | 83258 | 43099 |
| GPU | 51203 | 24795 |
| Memory | 69773 | 35711 |
| UX | 73712 | 41901 |
| Total score | 278691 | 146163 |
3DMark Wild Life Performance Redmi Note 11 +5% 443 Galaxy A21s 422
| Stability | 99% | 98% |
| Graphics test | 2 FPS | 2 FPS |
| Graphics score | 443 | 422 |
| PCMark 3.0 score | 7161 | 5480 |
Sources: 3DMark [3] [4] ▶️ Submit your AnTuTu result
Software
| Operating system | Android 11 (Can be upgraded to Android 12) | Android 10 (Can be upgraded to Android 12) |
| ROM | MIUI 13 | One UI 4.1 |
| OS size | 21.4 GB | 12 GB |
Battery
Specifications | Capacity | 5000 mAh | 5000 mAh |
| Charge power | 33 W | 15 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (51% in 30 min) | Yes (50% in 60 min) |
| Full charging time | 1:18 hr | 2:10 hr |
Battery life tests | Web browsing | 11:57 hr | 12:34 hr |
| Watching video | 16:07 hr | 14:21 hr |
| Gaming | 07:01 hr | 05:26 hr |
| Standby | 119 hr | 120 hr |
General battery life Redmi Note 11 +2% 35:57 hr Galaxy A21s 35:07 hr Phone Battery Life Ranking (76th and 93rd place)
Camera
Specs and camera test of smartphones
Main camera | Matrix | 50 megapixels | 48 megapixels |
| Image resolution | 8700 x 5800 | 8000 x 6000 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | No | No |
| 1080p video recording | Up to 30FPS | Up to 30FPS |
| Slow motion | 120 FPS (720p) | No |
| Angle of widest lens | 118° | 123° |
| Lenses | 4 (50 MP + 8 MP + 2 MP + 2 MP) | 4 (48 MP + 8 MP + 2 MP + 2 MP) |
| Wide (main) lens | - 50 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.64 micron - Sensor: 1/2.76" Samsung JN1 (ISOCELL Plus CMOS) - Phase autofocus | - 48 MP - Aperture: f/2.0 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2.0" (CMOS) - Phase autofocus |
| Ultra-wide lens | - 8 MP - Aperture: f/2.2 - Pixel size: 1.14 micron - Sensor: 1/4" Sony IMX355 (Exmor-RS CMOS) | - 8 MP - Aperture: f/2.2 - Pixel size: 1.12 micron - Sensor: 1/4.0" (CMOS) |
| Macro lens | - 2 MP - Aperture: f/2.8 - Pixel size: 1.75 micron - Sensor: 1/2.8" Omnivision OV02A10 (CMOS) | - 2 MP - Aperture: f/2.4 |
| Depth lens | - 2 MP - Aperture: f/2.4 | - 2 MP - Aperture: f/2.4 |
| Camera features | - Bokeh mode - Pro mode | - Bokeh mode |
Selfie camera | Megapixels | 13 megapixels | 13 megapixels |
| Image resolution | 4128 x 3096 | 4128 x 3096 |
| Aperture | f/2.4 | f/2.2 |
| Pixel size | - | 1.12 microns |
| Sensor type | CMOS | CMOS |
| Sensor size | - | 1/3.1" |
| Video resolution | 1080p (Full HD) at 30 FPS | 1080p (Full HD) at 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Dual Band - 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 | 2 | 2 |
| USB features | - Charging - USB-Storage mode - OTG | - Charging - USB-Storage mode - OTG |
| GPS | GPS GLONASS Beidou Galileo | GPS GLONASS Beidou Galileo |
| NFC* | Depends on the region | Yes |
| Infrared port | Yes | No |
Network | Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| LTE Cat* | 18 | 13 |
| 5G support | No | No |
Sound
| Speakers | Stereo | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | Yes | Yes |
| Dolby Atmos | - | Yes |
Speakers test Max. loudness Redmi Note 11 +12% 89 dB Galaxy A21s 79.5 dB
Other
| Category | Mid-range | Budget |
| Announced | January 2022 | May 2020 |
| Release date | January 2022 | June 2020 |
| SAR (head) | - | 0.23 W/kg |
| SAR (body) | - | 1.38 W/kg |
| Sensors | - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint | - Hall-effect sensor - Proximity 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 Xiaomi Redmi Note 11 is definitely a better buy.
Cast your vote
So which phone would you choose? Xiaomi Redmi Note 11 52 (77.6%) Samsung Galaxy A21s 15 (22.4%) Vote Total votes:
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