Xiaomi Redmi Note 8T vs Samsung Galaxy A51
Here we compared two mid-range smartphones: the 6.3-inch Xiaomi Redmi Note 8T (with Qualcomm Snapdragon 665) that was released on November 6, 2019, against the Samsung Galaxy A51, which is powered by Exynos 9 Octa 9611 and came out 2 months after. 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 8T
- Has a built-in infrared port
Reasons to consider the Samsung Galaxy A51
- More recent OS version: Android 13 versus 11
- Slow-motion recording at 960FPS
- 13% better performance in AnTuTu Benchmark (217K versus 192K)
- Thinner bezels – 7.2% more screen real estate
- Super AMOLED display (versus competitor's IPS LCD)
- The front-facing camera can record video at 4K
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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
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Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | IPS LCD | Super AMOLED |
| Size | 6.3 inches | 6.5 inches |
| Resolution | 1080 x 2340 pixels | 1080 x 2400 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| PPI | 409 ppi | 405 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Max rated brightness | 500 nits | 400 nits |
| HDR support | No | No |
| Screen protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 3 |
| Screen-to-body ratio | 80.2% | 87.4% |
| Display features | - | - Always-On Display |
| RGB color space | 99.3% | 98.8% |
| PWM | Not detected | 242 Hz |
| Response time | 46.4 ms | 25 ms |
| Contrast | 1163:1 | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 161.1 mm (6.34 inches) | 158.5 mm (6.24 inches) |
| Width | 75.4 mm (2.97 inches) | 73.6 mm (2.9 inches) |
| Thickness | 8.6 mm (0.34 inches) | 7.9 mm (0.31 inches) |
| Weight | 200 g (7.05 oz) | 172 g (6.07 oz) |
| Waterproof | No | No |
| Rear material | Glass | Plastic |
| Frame material | Plastic | Plastic |
| Colors | White, Gray, Blue | White, Black |
| Fingerprint scanner | Yes, rear | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 665 | Samsung Exynos 9 Octa 9611 |
| Max. clock | 2000 MHz | 2300 MHz |
| CPU cores | 8 (4 + 4) | 8 (4 + 4) |
| Architecture | - 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53) - 4 cores at 2 GHz: Kryo 260 Gold (Cortex-A73) |
- 4 cores at 1.7 GHz: Cortex-A53 - 4 cores at 2.3 GHz: Cortex-A73 |
| Lithography process | 11 nanometers | 10 nanometers |
| Graphics | Adreno 610 | Mali-G72 MP3 |
| GPU clock | 950 MHz | 850 MHz |
| FLOPS | ~273 GFLOPS | ~259 GFLOPS |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 9
| CPU | 68240 | 49711 |
| GPU | 33711 | 53719 |
| Memory | 34851 | 43824 |
| UX | 54044 | 70475 |
| Total score | 192323 | 217818 |
3DMark Wild Life Performance
| Stability | 98% | 95% |
| Graphics test | 1 FPS | 4 FPS |
| Graphics score | 217 | 812 |
| PCMark 3.0 score | 6372 | - |
Memory
| RAM size | 3, 4 GB | 4, 6 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1866 MHz | 1866 MHz |
| Channels | 2 | 2 |
| Storage size | 32, 64, 128 GB | 64, 128 GB |
| Storage type | eMMC 5.1 | UFS 2.0 |
| 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 11) | Android 10 (Can be upgraded to Android 13) |
| ROM | MIUI 12.5 | One UI 5.0 |
| OS size | 8 GB | 23 GB |
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 (50% in 35 min) | Yes (40% in 35 min) |
| Full charging time | 2:05 hr | 1:50 hr |
| Web browsing | 09:45 hr | 09:34 hr |
| Watching video | 11:35 hr | 11:29 hr |
| Gaming | 04:02 hr | 05:12 hr |
| Standby | 94 hr | 83 hr |
General battery life
Camera
| Matrix | 48 megapixels | 48 megapixels |
| Image resolution | 8000 x 6000 | 8000 x 6000 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | Up to 30FPS |
| 1080p video recording | Up to 60FPS | Up to 30FPS |
| Slow motion | 240 FPS (720p) | 960 FPS (720p) |
| Angle of widest lens | 120° | 120° |
| Lenses | 4 (48 MP + 8 MP + 2 MP + 2 MP) | 4 (48 MP + 12 MP + 5 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 S5KGM1 (ISOCELL 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: 1.12 micron - Sensor: 1/4", Omnivision OV8856 (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: 1.75 micron - Sensor: 1/5", Omnivision OV02A10 (CMOS) |
- 5 MP - Aperture: f/2.4 - Focal length: 40 mm - Pixel size: 1.12 micron |
| Depth lens | - 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5", Omnivision OV02A10 (CMOS) |
- 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 | 13 megapixels | 32 megapixels |
| Image resolution | 4224 x 3136 | 6560 x 4928 |
| Aperture | f/2.0 | f/2.2 |
| Focal length | 28.21 mm | 26 mm |
| Pixel size | 1.12 microns | 0.8 microns |
| Sensor type | CMOS | ISOCELL CMOS |
| Sensor size | 1/2.9" | 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 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 | 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 | GPS, GLONASS, Beidou, Galileo |
| NFC* | Yes | 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 | 12 |
| 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 | November 2019 | December 2019 |
| Release date | December 2019 | December 2019 |
| SAR (head) | 0.74 W/kg | 0.596 W/kg |
| SAR (body) | 1.3 W/kg | 1.45 W/kg |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- 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 Samsung Galaxy A51 is definitely a better buy.
Cast your vote
Total votes: 424