Xiaomi Redmi 8 vs Samsung Galaxy A20
Here we compared two smartphones: the 6.22-inch Xiaomi Redmi 8 (with Qualcomm Snapdragon 439) that was released on October 8, 2019, against the Samsung Galaxy A20, which is powered by Exynos 7 Octa 7884 and came out 7 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Select the amount of RAM to evaluate performance and value for money more precisely
Key differences
Reasons to consider the Xiaomi Redmi 8
- Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
- More energy-efficient CPU – Snapdragon 439
- The phone is 7 months newer
- The front-facing camera can record video at 1080p
- Has a built-in infrared port
Reasons to consider the Samsung Galaxy A20
- Newer Bluetooth version (v5)
- More recent OS version: Android 11 versus 10
- Super AMOLED display (versus competitor's IPS LCD)
- Supports Dolby Atmos sound technology
- Weighs 19 grams less
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.
Select your primary usage scenario to get a more accurate NanoReview Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | IPS LCD | Super AMOLED |
| Size | 6.22 inches | 6.4 inches |
| Resolution | 720 x 1520 pixels | 720 x 1560 pixels |
| Aspect ratio | 19:9 | 19.5:9 |
| PPI | 270 ppi | 268 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 400 nits | 400 nits |
| HDR support | No | No |
| Screen protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 3 |
| Screen-to-body ratio | 81.8% | 84.9% |
| RGB color space | 95.7% | - |
| PWM | Not detected | - |
| Response time | 55.2 ms | - |
| Contrast | 2308:1 | - |
Peak brightness test (auto)
Design and build
| Height | 156.5 mm (6.16 inches) | 158.4 mm (6.24 inches) |
| Width | 75.4 mm (2.97 inches) | 74.7 mm (2.94 inches) |
| Thickness | 9.4 mm (0.37 inches) | 7.8 mm (0.31 inches) |
| Weight | 188 g (6.63 oz) | 169 g (5.96 oz) |
| Waterproof | Yes | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | Black, Blue, Red | - |
| Fingerprint scanner | Yes, rear | Yes, rear |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 439 | Samsung Exynos 7 Octa 7884 |
| Max clock | 2000 MHz | 1600 MHz |
| CPU cores | 8 (4 + 4) | 8 (2 + 6) |
| Architecture | - 4 cores at 1.45 GHz: Cortex-A53 - 4 cores at 2 GHz: Cortex-A53 |
- 6 cores at 1.35 GHz: Cortex-A53 - 2 cores at 1.6 GHz: Cortex-A73 |
| Manufacturing | Samsung | Samsung |
| Lithography process | 12 nanometers | 14 nanometers |
| Neural processor (NPU) | Hexagon 536 | No |
| Graphics | Adreno 505 | Mali-G71 MP2 |
| GPU shading units | 48 | 24 |
| GPU clock | 650 MHz | 845 MHz |
| FLOPS | ~62.4 GFLOPS | ~40.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| Single-core score | 476 | 482 |
| Multi-core score | 1521 | 1526 |
AnTuTu Benchmark 11
| CPU | 84537 | 96175 |
| GPU | 13350 | 11203 |
| Memory | 51476 | 60735 |
| UX | 43742 | 37539 |
| Total score | 193105 | 205752 |
| Samples | Less than 3 | Less than 3 |
PCMark 3.0
| Web score | - | 4726 |
| Video editing | - | 3603 |
| Photo editing | - | 8040 |
| Data manipulation | - | 4769 |
| Writing score | - | 4872 |
Recent User Tests
Xiaomi Redmi 8
No benchmark results yet
Samsung Galaxy A20
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-03-25 (Aditya) | AnTuTu 11 | 205752 |
Memory
| RAM size | 3 GB | 3 GB |
| Memory type | LPDDR3 | LPDDR3 |
| Memory clock | 933 MHz | 933 MHz |
| Channels | 1 | 1 |
| Storage size | 32 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 |
Software
| Operating system | Android 9.0 (Can be upgraded to Android 10) | Android 9.0 (Can be upgraded to Android 11) |
| ROM | MIUI 12.5 | One UI 3.1 |
| OS size | 15 GB | - |
| OS updates | - | 2 years |
| Security updates | - | 4 years |
Battery
| Capacity | 5000 mAh | 4000 mAh |
| Max charge power | 18 W | 15 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes, Quick Charge 3.0 (50% in 85 min) | Yes, Samsung Adaptive Fast Charge (25% in 30 min) |
| Full charging time | 3:20 hr | 2:00 hr |
| Web browsing | 09:44 hr | - |
| Watching video | 11:20 hr | - |
| Gaming | 05:22 hr | - |
| Standby | 129 hr | - |
General battery life
Main camera
| Matrix | 12 megapixels | 13 megapixels |
| Image resolution | 4000 x 3000 | 4128 x 3096 |
| 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 | - | No |
| Angle of widest lens | 113° | 123° |
| Lenses | 1) Standard: 12 MP 2) Depth: 2 MP |
1) Standard: 13 MP 2) Ultrawide: 5 MP |
| Camera features | - Bokeh mode - Pro mode |
- |
| Image resolution | 12 MP | 13 MP |
| Aperture | f/1.8 | f/1.9 |
| Focal length | - | 28 mm |
| Sensor | Sony IMX363 | - |
| Sensor size | 1/2.55" (≈ 0.39 inch) | - |
| Pixel size | 1.4 micron | - |
| Autofocus | Phase autofocus (Dual Pixel) | Phase autofocus |
| Stabilization | Digital | Digital |
| Image resolution | - | 5 MP |
| Aperture | - | f/2.2 |
| Focal length | - | 12 mm |
| Stabilization | - | Digital |
Selfie camera
| Megapixels | 8 megapixels | 8 megapixels |
| Image resolution | 3648 x 2190 | 3264 x 2448 |
| Aperture | f/2.0 | f/2.0 |
| Sensor | CMOS | CMOS |
| Sensor size | 1/4.0" (≈ 0.25 inch) | - |
| Pixel size | 1.12 micron | - |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 30 FPS | 720p at 30 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 4 (802.11 b/g/n) | Wi-Fi 4 (802.11 b/g/n) |
| Wi-Fi features | - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot |
| Bluetooth version | 4.2 | 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 - USB-Host 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* | 4 | 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 | Budget | Mid-range |
| Announced | October 2019 | March 2019 |
| Release date | October 2019 | March 2019 |
| Launch price (MSRP) | $140 | $150 |
| Successor | - Xiaomi Redmi 15C 4G | - Samsung Galaxy A24 4G |
| SAR (head) | 0.231 W/kg | 0.23 W/kg |
| SAR (body) | 1.48 W/kg | 1.38 W/kg |
| Sensors | - Proximity sensor - 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 8 is definitely a better buy.
Cast your vote
Total votes: 161