Samsung Galaxy A51 5G vs Xiaomi Redmi Note 9 Pro
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Compared 2 smartphones : Samsung Galaxy A51 5G Manufactured in June, 2020, with display 6.5 with chipsetSamsung Exynos 980, vs Xiaomi Redmi Note 9 Pro, Manufactured in May, 2020with chipsetQualcomm Snapdragon 720G. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Samsung Galaxy A51 5G
- Higher pixel density: 405ppi
- Lighter design: 187g vs 209g
- Supports Dolby Atmos
Reasons to choose Xiaomi Redmi Note 9 Pro
- Larger display: 6.67in
- Higher battery capacity: 5020mAh vs 4500mAh
- Infrared port
Versions
| Memory Options | - 6/128 GB - 8/128 GB |
- 4/64 GB - 4/128 GB - 6/128 GB |
Review
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
Adjust each parameter’s importance to find the best match for you.
Tests & specs
Specs & test comparisonDisplay
| Type | Super AMOLED | IPS LCD |
| Size | 6.5 in | 6.67 in |
| Resolution | 1080x2400 pixels | 1080x2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| Pixel density | 405 ppi | 395 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| Max brightness | 400 nits | 450 nits |
| HDR support | No | Yes HDR10 |
| Screen-to-body ratio | 87.3 % | 84.4 % |
| Features | Always-On Display | n/a |
| sRGB gamut | n/a | 99.8 % |
| PWM (Flicker) | n/a | 2404 Hz |
| Response time | n/a | 35.2 ms |
| Contrast | n/a | 1649:1 |
Design & Build
| Height | 158.9 mm (6.26 in) | 165.8 mm (6.53 in) |
| Width | 73.6 mm (2.9 in) | 76.7 mm (3.02 in) |
| Thickness | 8.7 mm (0.34 in) | 8.8 mm (0.35 in) |
| Weight | 187 g (6.6 oz) | 209 g (7.37 oz) |
| Water resistance | No | No |
| Back panel | Plastic | Glass |
| Frame | Metal | Plastic |
| Colors | - White - Black - Pink |
- White - Gray - Green |
| Fingerprint sensor | Yes In-Display | Yes In-Button |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 980 | Qualcomm Snapdragon 720G |
| Max Frequency | 2200 MHz | 2300 MHz |
| CPU Cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6/1.8 (Cortex-A55) - 2/2.2 (Cortex-A77) |
- 6/1.8 (Kryo 465 Silver (Cortex-A55)) - 2/2.3 (Kryo 465 Gold (Cortex-A76)) |
| Process | Samsung | Samsung |
| Transistor Size | 8 nm | 8 nm |
| Neural Processor | Yes | Hexagon 692 |
| Graphics | Mali-G76 MP5 | Adreno 618 |
| GPU Cores | 180 | 256 |
| GPU Frequency | 700 MHz | 750 MHz |
| FLOPS | 262.1 GFLOPS | 384 GFLOPS |
| Geekbench 6 (Single-Core) | 863 | 719 |
| Geekbench 6 (Multi-Core) | 2112 | 1874 |
| CPU | 130998 | 139577 |
| GPU | 85094 | 73153 |
| Memory | 86339 | 72832 |
| UX | 104345 | 104277 |
| NanoReview Score | 406776 | 389839 |
| Max Surface Temp. | n/a | 42.3 °C |
| Stability | n/a | 99 % |
| Graphics Test | n/a | 6 fps |
| Graphics Score | n/a | 1044 |
| Writing score | n/a | 9643 |
| Web score | n/a | 6022 |
| Video editing | n/a | 5453 |
| Data manipulation | n/a | 6923 |
| NanoReview Score | n/a | 8136 |
Memory
| RAM Size | 6 GB | - 4 GB - 6 GB - 8 GB |
| Memory Type | LPDDR4X | LPDDR4X |
| Memory Frequency | 1866 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage Capacity | 128 GB | - 64 GB - 128 GB |
| Storage Type | UFS 2.0 | UFS 2.1 |
| Memory Card | MicroSD | MicroSD |
Software
| OS | Android 10 (Upgradeable to Android 13) | Android 10.0 (Upgradeable to Android 12) |
| OS Size | 22.7 GB | 18.9 GB |
| UI Skin | One UI 5.0 | MIUI 14 |
Battery
| Volume | 4500 mAh | 5020 mAh |
| Max Charging Power | 15 W | 33 W |
| Battery Type | Li-Po | Li-Po |
| Removable | No | No |
| Wireless Charging | No | No |
| Reverse Charging | No | No |
| Fast Charging | Yes (40% in 40 min) | Yes (50% in 30 min) |
| Full Charge Time | 2:05 h | 1:20 h |
| Web Browsing | 07:25 h | 10:27 h |
| Video Playback | 12:09 h | 13:57 h |
| Games | 05:11 h | 05:33 h |
| Standby Mode | 81 h | 143 h |
Main camera
| Matrix | 48 MP | 64 MP |
| Photo resolution | 8000x6000 pixels | 9248x6920 pixels |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K Recording | No | No |
| 4K Recording | Yes (Up to 30 fps) | Yes (Up to 30 fps) |
| 1080p Recording | Yes (Up to 120 fps) | Yes (Up to 60 fps) |
| Slow Motion | 960 fps (720p) | 960 fps (720p) |
| Wide-angle lens | 123 ° | 119 ° |
| Lenses count | Standard: 48 MP Ultra-wide: 12 MP Macro: 5 MP Depth: 5 MP |
Standard: 64 MP Ultra-wide: 8 MP Macro: 5 MP Depth: 2 MP |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode - RAW support |
| Matrix | 48 MP | 64 MP |
| Aperture | f/2.0 | f/1.9 |
| Focal length | 26 mm | 26 mm |
| Sensor | Samsung S5KGM2 | Samsung Bright S5KGW1 |
| Sensor size | 1/2 | 1/1.72 |
| Pixel size | 0.8 μm | 0.8 μm |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
| Matrix | 12 MP | 8 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 13 mm | 13 mm |
| Sensor | n/a | GalaxyCore GC8034 |
| Sensor size | n/a | 1/4.0 |
| Pixel size | 1.12 μm | 1.12 μm |
| Stabilization | Digital | Digital |
Front camera
| Matrix | 32 MP | 16 MP |
| Photo resolution | 6560x4928 pixels | 4920x3264 pixels |
| Aperture | f/2.2 | f/2.48 |
| Focal length | 26 mm | n/a |
| Sensor | Samsung S5KGD1 | OmniVision OV32A1Q |
| Sensor size | 1/2.8 | 1/3.1 |
| Pixel size | 0.8 μm | 1 μm |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 fps | 1080p (Full HD) at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 5 (802.11 a/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 | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP | LE, HID, 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 - NAVIC |
| NFC* | Yes | Yes |
| Infrared Port | No | Yes |
| SIM Count* | 2 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | No | No |
| Hybrid Slot | No | No |
| 2G Bands | GSM 850 / 900 / 1800 / 2100 / 2600 | GSM 850 / 900 / 1800 / 2100 / 2600 / 2300 / 2500 |
| 3G Bands | UMTS 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| LTE Bands* | LTE (B850/B900/B1800/B2100/B2600) | LTE (B850/B900/B1800/B2100/B2300/B2500/B2600) |
| LTE category | 12 | 12 |
| 5G Support | Yes | No |
Sound
| Speakers | Mono | Mono |
| 3.5 mm Jack | Yes | Yes |
| FM Radio | Yes | Yes |
| Dolby Atmos | Yes | No |
Other
| Class | Mid-range | Mid-range |
| Announced | April, 2020 yr | April, 2020 yr |
| Release Date | June, 2020 yr | May, 2020 yr |
| Launch Price ($) | 499 | 185 |
| Sensors | - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
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