Xiaomi Redmi Note 8 vs Samsung Galaxy A20
Here we compared two mid-range smartphones: the 6.3-inch Xiaomi Redmi Note 8 (with Qualcomm Snapdragon 665) that was released on August 29, 2019, against the Samsung Galaxy A20, which is powered by Exynos 7 Octa 7884 and came out 6 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.
Key differences
Reasons to consider the Xiaomi Redmi Note 8
- 53% higher pixel density (409 vs 268 PPI)
- 49% better performance in AnTuTu Benchmark (205K versus 137K)
- Delivers 58% higher maximum brightness (628 against 397 nits)
- Compatible with Wi-Fi 5 wireless networks
- Uses a faster type of memory: LPDDR4X 1866 MHz
- Slow-motion recording at 240FPS
- Ability to record video in 4K resolution
- The front-facing camera can record video at 1080p
- Has a built-in infrared port
Reasons to consider the Samsung Galaxy A20
- Super AMOLED display (versus competitor's IPS LCD)
- Supports Dolby Atmos sound technology
- Weighs 21 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.
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | IPS LCD | Super AMOLED |
| Size | 6.3 inches | 6.4 inches |
| Resolution | 1080 x 2340 pixels | 720 x 1560 pixels |
| Aspect ratio | 19.5:9 | 19.5:9 |
| PPI | 409 ppi | 268 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| HDR support | No | No |
| Screen protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 3 |
| Screen-to-body ratio | 81.7% | 85% |
Max. Brightness
Design and build
| Height | 158.3 mm (6.23 inches) | 158.4 mm (6.24 inches) |
| Width | 75.3 mm (2.96 inches) | 74.7 mm (2.94 inches) |
| Thickness | 8.4 mm (0.33 inches) | 7.8 mm (0.31 inches) |
| Weight | 190 gramm (6.7 oz) | 169 gramm (5.96 oz) |
| Waterproof | No | No |
| Rear material | Glass | Plastic |
| Frame material | Plastic | Plastic |
| Colors | White, Black, Blue | - |
| Fingerprint scanner | Yes, rear | Yes, rear |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 665 | Samsung Exynos 7 Octa 7884 |
| Max. clock | 2000 MHz | 1600 MHz |
| CPU cores | 8 (4 + 4) | 8 (2 + 6) |
| Architecture | - 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53) - 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73) |
- 6 cores at 1.35 GHz: Cortex-A53 - 2 cores at 1.6 GHz: Cortex-A73 |
| Lithography process | 11 nanometers | 14 nanometers |
| Graphics | Adreno 610 | Mali-G71 MP2 |
| GPU clock | 600 MHz | 850 MHz |
| FLOPS | ~273 GFLOPS | ~64 GFLOPS |
| RAM size | 3, 4, 6 GB | 3 GB |
| Memory type | LPDDR4X | LPDDR3 |
| Memory clock | 1866 MHz | 933 MHz |
| Channels | 2 | 1 |
| Storage size | 32, 64, 128 GB | 32 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card | MicroSD | MicroSD |
| Memory card max. size | Up to 256 GB | Up to 512 GB |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
| CPU | 66836 | 48062 |
| GPU | 39821 | 20723 |
| Memory | 37987 | 31990 |
| UX | 62159 | 37339 |
| Total score | 205939 | 137950 |
3DMark Wild Life Performance
| Stability | 98% | 85% |
| Graphics test | 1 FPS | 1 FPS |
| Graphics score | 219 | 324 |
| PCMark 3.0 score | 6400 | - |
Software
| Operating system | Android 9.0 (Can be upgraded to Android 11) | Android 9.0 (Can be upgraded to Android 11) |
| ROM | MIUI 12.5 Enhanced | One UI 3.1 |
Battery
| Capacity | 4000 mAh | 4000 mAh |
| Charge power | 18 W | 15 W |
| Battery type | Li-Ion | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes, Quick Charge 4.0 (50% in 35 min) | Yes, Samsung Adaptive Fast Charge (25% in 30 min) |
| Full charging time | 2:05 hr | 2:00 hr |
| Web browsing | 11:36 hr | - |
| Watching video | 11:32 hr | - |
| Gaming | 05:19 hr | - |
| Standby | 87 hr | - |
General battery life
Camera
| Matrix | 48 megapixels | 13 megapixels |
| Image resolution | 8000 x 6000 | 4128 x 3096 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | No |
| 1080p video recording | Up to 60FPS | Up to 30FPS |
| Slow motion | 240 FPS (720p) | No |
| Angle of widest lens | 118° | 123° |
| Lenses | 4 (48 MP + 8 MP + 2 MP + 2 MP) | 2 (13 MP + 5 MP) |
| Wide (main) lens | - 48 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2", Samsung S5KGM2 (ISOCELL CMOS) - Phase autofocus |
- 13 MP - Aperture: f/1.9 - Focal length: 28 mm - Phase autofocus |
| Ultra-wide lens | - 8 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.12 micron - Sensor: 1/5", Omnivision OV8856 |
- 5 MP - Aperture: f/2.2 - Focal length: 12 mm |
| Macro lens | - 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5", Omnivision OV02A10 (CMOS) |
- |
| Depth lens | - 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5", Omnivision OV02A10 (CMOS) |
- |
| Camera features | - Bokeh mode - Pro mode |
- |
| Megapixels | 13 megapixels | 8 megapixels |
| Image resolution | 4224 x 3136 | 3264 x 2448 |
| Aperture | f/2.0 | f/2.0 |
| Focal length | 28.21 mm | - |
| Pixel size | 1.12 microns | - |
| Sensor type | - | CMOS |
| Sensor size | 1/2.9" | - |
| Video resolution | 1080p (Full HD) at 30 FPS | 720p at 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 b/g/n/ac) | Wi-Fi 4 (802.11 b/g/n) |
| Wi-Fi features | - Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot |
| Bluetooth version | 5 | 5 |
| Bluetooth features | LE, HID, 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 |
| GPS | GPS, GLONASS, Beidou | GPS, GLONASS, Beidou |
| NFC* | No | Yes |
| Infrared port | Yes | No |
| 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* | 12 | 4 |
| 5G support | No | No |
Sound
| Speakers | Mono | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | Yes | Yes |
| Dolby Atmos | No | Yes |
Speakers test
Max. loudness
Other
| Category | Mid-range | Mid-range |
| Announced | August 2019 | March 2019 |
| Release date | September 2019 | March 2019 |
| SAR (head) | 0.191 W/kg | 0.23 W/kg |
| SAR (body) | 1.034 W/kg | 1.38 W/kg |
| Sensors | - Proximity sensor - 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 8 is definitely a better buy.
Cast your vote
Total votes: 73