Xiaomi Redmi 10 vs Samsung Galaxy A51
Here we compared two smartphones: the 6.5-inch Xiaomi Redmi 10 (with MediaTek Helio G88) that was released on August 19, 2021, against the Samsung Galaxy A51, which is powered by Exynos 9 Octa 9611 and came out 21 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 10
- Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
- Higher display refresh rate – 90 Hz
- Shows 32% longer battery life (35:02 vs 26:33 hours)
- Newer Bluetooth version (v5.1)
- 19% better performance in AnTuTu Benchmark (293K versus 246K)
- Stereo speakers
- The phone is 1-year and 9-months newer
- Reverse charging feature
- Has a built-in infrared port
Reasons to consider the Samsung Galaxy A51
- Delivers 33% higher peak brightness (638 against 478 nits)
- Slow-motion recording at 960FPS
- Ability to record video in 4K resolution
- Super AMOLED display (versus competitor''s IPS LCD)
- Faster storage type - UFS 2.0 versus eMMC 5.1
- More energy-efficient CPU – Exynos 9 Octa 9611
- Supports Dolby Atmos sound technology
- The front-facing camera can record video at 4K
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 | IPS LCD | Super AMOLED |
| Size | 6.5 inches | 6.5 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 405 ppi | 405 ppi |
| Refresh rate | 90 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| Max rated brightness | 400 nits | 400 nits |
| HDR support | Yes, HDR10 | No |
| Screen protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Screen-to-body ratio | 83.5% | 87.4% |
| Display features | - | - Always-On Display |
| RGB color space | - | 98.8% |
| PWM | - | 242 Hz |
| Response time | 35.4 ms | 25 ms |
| Contrast | 2464:1 | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 161.9 mm (6.37 inches) | 158.5 mm (6.24 inches) |
| Width | 75.5 mm (2.97 inches) | 73.6 mm (2.9 inches) |
| Thickness | 8.9 mm (0.35 inches) | 7.9 mm (0.31 inches) |
| Weight | 181 g (6.38 oz) | 172 g (6.07 oz) |
| Waterproof | No | No |
| Rear material | Plastic | Plastic |
| Frame material | Plastic | Plastic |
| Colors | White, Gray, Blue | White, Black |
| Fingerprint scanner | Yes, in-button | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | MediaTek Helio G88 | Samsung Exynos 9 Octa 9611 |
| Max clock | 2000 MHz | 2300 MHz |
| CPU cores | 8 (2 + 6) | 8 (4 + 4) |
| Architecture |
- 6 cores at 1.8 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75 |
- 4 cores at 1.7 GHz: Cortex-A53
- 4 cores at 2.3 GHz: Cortex-A73 |
| Lithography process | 12 nanometers | 10 nanometers |
| Graphics | Mali-G52 MP2 | Mali-G72 MP3 |
| GPU shading units | 48 | 54 |
| GPU clock | 1000 MHz | 850 MHz |
| FLOPS | ~96 GFLOPS | ~91.8 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 107714 | 69792 |
| GPU | 45227 | 55670 |
| Memory | 73563 | 60677 |
| UX | 66208 | 59872 |
| Total score | 293671 | 246594 |
3DMark Wild Life Performance
| Max surface temperature | 39.3 °C | 42.2 °C |
| Stability | - | 95% |
| Graphics test | - | 4 FPS |
| Graphics score | - | 812 |
Memory
| RAM size | 4, 6 GB | 4, 6 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1866 MHz | 1866 MHz |
| Channels | 2 | 2 |
| Storage size | 64, 128 GB | 64, 128 GB |
| Storage type | eMMC 5.1 | UFS 2.0 |
| Memory card | MicroSD | MicroSD |
| Memory card max size | Up to 512 GB | Up to 512 GB |
Software
| Operating system | Android 11 (Can be upgraded to Android 13) | Android 10 (Can be upgraded to Android 13) |
| ROM | MIUI 14 | One UI 5.0 |
| OS size | 22.4 GB | 23 GB |
Battery
| Capacity | 5000 mAh | 4000 mAh |
| Max charge power | 18 W | 15 W |
| Battery type | Li-Ion | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | Yes | No |
| Fast charging | Yes (26% in 30 min) | Yes (40% in 35 min) |
| Full charging time | 2:13 hr | 1:50 hr |
| Web browsing | 11:59 hr | 09:34 hr |
| Watching video | 11:32 hr | 11:29 hr |
| Gaming | 06:07 hr | 05:12 hr |
| Standby | 140 hr | 83 hr |
General battery life
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 | Up to 30FPS |
| 1080p video recording | Up to 30FPS | Up to 30FPS |
| Slow motion | 120 FPS (720p) | 960 FPS (720p) |
| Angle of widest lens | 120° | 120° |
| Lenses | 4 (50 MP + 8 MP + 2 MP + 2 MP) | 4 (48 MP + 12 MP + 5 MP + 5 MP) |
| Wide (main) lens |
- 50 MP
- Aperture: f/1.8 - Pixel size: 0.64 micron - Sensor: 1/2.76", Samsung S5KJN1 (ISOCELL Plus CMOS) - Phase autofocus |
- 48 MP
- Aperture: f/2.0 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2", Sony IMX582 (Exmor-RS CMOS) - Phase autofocus |
| Ultra-wide lens |
- 8 MP
- Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.14 micron - Sensor: 1/2.8", Sony IMX355 (Exmor-RS CMOS) |
- 12 MP
- Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.12 micron |
| Macro lens |
- 2 MP
- Aperture: f/2.4 - Pixel size: 1.12 micron |
- 5 MP
- Aperture: f/2.4 - Focal length: 40 mm - Pixel size: 1.12 micron |
| Depth lens |
- 2 MP
- Aperture: f/2.4 |
- 5 MP
- Aperture: f/2.2 - Pixel size: 1.12 micron - Sensor: 1/5.0" (CMOS) |
| Camera features |
- Bokeh mode
- Pro mode |
- Bokeh mode
- Pro mode |
| Megapixels | 8 megapixels | 32 megapixels |
| Image resolution | 3264 x 2448 | 6560 x 4928 |
| Aperture | f/2.0 | f/2.2 |
| Focal length | 27 mm | 26 mm |
| Pixel size | - | 0.8 microns |
| Sensor type | CMOS | ISOCELL CMOS |
| Sensor size | - | 1/2.8" |
| Video resolution | 1080p (Full HD) at 30 FPS | 2160p (4K) at 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 5 (802.11 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 | 5.1 | 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 - 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 | No |
| Hybrid slot | No | No |
| LTE Cat * | 7 | 12 |
| 5G support | No | No |
Sound
| Speakers | Stereo | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | Yes | Yes |
| Dolby Atmos | No | Yes |
Speakers test
Max loudness
Other
| Category | Budget | Mid-range |
| Announced | August 2021 | December 2019 |
| Release date | August 2021 | December 2019 |
| SAR (head) | - | 0.596 W/kg |
| SAR (body) | - | 1.45 W/kg |
| Sensors |
- Proximity sensor
- Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor
- Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 22 W | - |
*
Disclaimer!
NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the display, battery life, and sound are more important to you, then choose the Xiaomi Redmi 10 . But if the camera and gaming are more of a priority – go for the Samsung Galaxy A51 .