Xiaomi Redmi 9 vs Samsung Galaxy A02s
38
out of 100
VS
34
out of 100
Here we compared two budget smartphones: the 6.53-inch Xiaomi Redmi 9 (with MediaTek Helio G80) that was released on June 10, 2020, against the Samsung Galaxy A02s, which is powered by Qualcomm Snapdragon 450 and came out 6 months after. 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 9
- 2.1x better performance in AnTuTu Benchmark (346K versus 166K)
- 46% higher pixel density (395 vs 270 PPI)
- Newer Bluetooth version (v5)
- Has 3x more RAM: 3GB versus 1GB
- Uses a faster type of memory: LPDDR4X 1866 MHz
- Fingerprint scanner
- Compatible with Wi-Fi 5 wireless networks
- Slow-motion recording at 120FPS
- The front-facing camera can record video at 1080p
- Has a built-in infrared port
Reasons to consider the Samsung Galaxy A02s
- Shows 10% longer battery life (25:11 vs 22:51 hours)
- Delivers 8% higher peak brightness (456 against 422 nits)
- Supports Dolby Atmos sound technology
- 13% faster in single-core GeekBench 6 test: 472 and 416 points
- The phone is 6 months newer
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 | PLS TFT |
| Size | 6.53 inches | 6.5 inches |
| Resolution | 1080 x 2340 pixels | 720 x 1600 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| PPI | 395 ppi | 270 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 3 | Tempered glass |
| Screen-to-body ratio | 83.2% | 81.9% |
| RGB color space | 93% | 95.5% |
| PWM | 500 Hz | - |
| Response time | 35 ms | 37 ms |
| Contrast | 710:1 | 1095:1 |
Peak brightness test (auto)
Design and build
| Height | 163.3 mm (6.43 inches) | 164.2 mm (6.46 inches) |
| Width | 77 mm (3.03 inches) | 75.9 mm (2.99 inches) |
| Thickness | 9.1 mm (0.36 inches) | 9.1 mm (0.36 inches) |
| Weight | 198 g (6.98 oz) | 196 g (6.91 oz) |
| Waterproof | No | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | Gray, Green, Purple | White, Black |
| Fingerprint scanner | Yes, rear | No |
Screen-to-body ratio
Performance
| Chipset | MediaTek Helio G80 | Qualcomm Snapdragon 450 |
| Max clock | 2000 MHz | 1800 MHz |
| CPU cores | 8 (2 + 6) | 8 (8) |
| Architecture | - 6 cores at 1.8 GHz: Cortex-A55 - 2 cores at 2 GHz: Cortex-A75 |
- 8 cores at 1.8 GHz: Cortex-A53 |
| L3 cache | 1 MB | - |
| Manufacturing | TSMC | Samsung |
| Lithography process | 12 nanometers | 14 nanometers |
| Neural processor (NPU) | Yes | Hexagon 546 |
| Graphics | Mali-G52 MP2 | Adreno 506 |
| GPU shading units | 48 | 48 |
| GPU clock | 950 MHz | 600 MHz |
| FLOPS | ~91.2 GFLOPS | ~57.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| Single-core score | 416 | 472 |
| Multi-core score | 1347 | 1523 |
AnTuTu Benchmark 11
| CPU | 144052 | 80665 |
| GPU | 27402 | 13165 |
| Memory | 77023 | 42423 |
| UX | 98311 | 30383 |
| Total score | 346788 | 166636 |
| Samples | [6 tests] | Less than 3 |
3DMark Wild Life Extreme
| Stability | 98% | - |
| Graphics test | 1 FPS | - |
| Graphics score | 171 | - |
PCMark 3.0
| Web score | 8789 | - |
| Video editing | 5624 | - |
| Photo editing | 19468 | - |
| Data manipulation | 6135 | - |
| Writing score | 9169 | - |
Recent User Tests
Xiaomi Redmi 9
| Date | Benchmark | Result |
|---|---|---|
| π 2026-06-08 (Itsorif) | AnTuTu | 312297 |
| π 2026-05-22 (klinton) | AnTuTu | 374733 |
| π 2026-05-13 (β) | AnTuTu | 388645 |
| π 2026-03-30 (WinFuck) | AnTuTu | 344734 |
| π 2025-09-06 -> overcooked | AnTuTu | 346788 |
Samsung Galaxy A02s
No benchmark results yet
Memory
| RAM size | 3 GB | 1 GB |
| Memory type | LPDDR4X | LPDDR3 |
| Memory clock | 1866 MHz | 933 MHz |
| Channels | 2 | 1 |
| Storage size | 32 GB | 16 GB |
| Storage type | eMMC 5.1 | eMMC 5.1 |
| Memory card | MicroSD | MicroSD |
| Memory card max size | Up to 512 GB | Up to 1024 GB |
Software
| Operating system | Android 10 (Can be upgraded to Android 12) | Android 10.0 (Can be upgraded to Android 12) |
| ROM | MIUI 13 | One UI Core 4.1 |
| OS size | 13 GB | 15 GB |
| OS updates | - | 2 years |
| Security updates | - | 4 years |
Battery
| Capacity | 5020 mAh | 5000 mAh |
| Max charge power | 18 W | 15 W |
| Battery type | Li-Po | Li-Ion |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (50% in 80 min) | Yes (30% in 30 min) |
| Full charging time | 3:05 hr | 2:36 hr |
| Web browsing | 08:45 hr | 10:18 hr |
| Watching video | 13:56 hr | 14:17 hr |
| Gaming | 05:30 hr | 05:42 hr |
| Standby | 113 hr | 125 hr |
General battery life
Main camera
| Matrix | 13 megapixels | 13 megapixels |
| Image resolution | 4128 x 3096 | 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 | 120 FPS (720p) | No |
| Angle of widest lens | 118Β° | - |
| Lenses | 1) Standard: 13 MP 2) Ultrawide: 8 MP 3) Macro: 5 MP 4) Depth: 2 MP |
1) Standard: 13 MP 2) Macro: 2 MP 3) Depth: 2 MP |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode |
| Image resolution | 13 MP | 13 MP |
| Aperture | f/2.2 | f/1.8 |
| Focal length | 28 mm | - |
| Sensor | Omnivision OV13B10 | - |
| Sensor size | 1/3.1" (β 0.32 inch) | - |
| Pixel size | 1.12 micron | - |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
| Image resolution | 8 MP | - |
| Aperture | f/2.2 | - |
| Focal length | 13 mm | - |
| Sensor | OmniVision OV8856 | - |
| Sensor size | 1/4.0" (β 0.25 inch) | - |
| Pixel size | 1.12 micron | - |
| Stabilization | Digital | - |
| Image resolution | 5 MP | 2 MP |
| Aperture | f/2.4 | f/2.4 |
| Pixel size | 1.12 micron | - |
| Stabilization | Digital | Digital |
Selfie camera
| Megapixels | 8 megapixels | 5 megapixels |
| Image resolution | 3264 x 2448 | 2560 x 1960 |
| Aperture | f/2.0 | f/2.2 |
| Focal length | 27 mm | - |
| Sensor | CMOS | CMOS |
| Sensor size | 1/4.0" (β 0.25 inch) | - |
| Autofocus | No | No |
| Stabilization | Digital | No |
| Video resolution | 1080p (Full HD) at 30 FPS | 720p at 30 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 4 (802.11 b/g/n) |
| Wi-Fi features | - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Wi-Fi Direct - Wi-Fi Hotspot |
| Bluetooth version | 5 | 4.2 |
| Bluetooth features | LE, HID, A2DP | LE, 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, Galileo | GPS, GLONASS, Beidou, Galileo |
| NFC* | Yes | No |
| 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* | 7 | 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 | Budget |
| Announced | June 2020 | November 2020 |
| Release date | July 2020 | January 2021 |
| Launch price (MSRP) | $130 | $150 |
| Successor | - Xiaomi Redmi 15 4G | - Samsung Galaxy A05s |
| SAR (head) | 0.71 W/kg | 0.4 W/kg |
| SAR (body) | 1.06 W/kg | 1.37 W/kg |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Accelerometer - Ambient light sensor |
| 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 Xiaomi Redmi 9 is definitely a better buy.
Cast your vote
Total votes: 106