Xiaomi Redmi 9A vs Samsung Galaxy A8 (2018)
Compared 2 smartphones : Xiaomi Redmi 9A Manufactured in August, 2020, with display 6.53 with chipsetMediaTek Helio G25, vs Samsung Galaxy A8 (2018), Manufactured in January, 2018 with chipsetSamsung Exynos 7 Octa 7885. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Xiaomi Redmi 9A
- Larger display: 6.53in
- Higher battery capacity: 5000mAh vs 3000mAh
Reasons to choose Samsung Galaxy A8 (2018)
- Higher pixel density: 441ppi
- Lighter design: 172g vs 194g
- Supports Dolby Atmos
- Fingerprint scanner
Versions
| Memory Options | - 2/32 GB - 3/32 GB - 4/64 GB - 4/128 GB - 6/128 GB |
- 4/32 GB - 4/64 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 | IPS LCD | Super AMOLED |
| Size | 6.53 in | 5.6 in |
| Resolution | 720x1600 pixels | 1080x2220 pixels |
| Aspect ratio | 20:9 | 18.5:9 |
| Pixel density | 269 ppi | 441 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Adaptive refresh rate | No | No |
| Max brightness | 400 nits | 390 nits |
| HDR support | No | No |
| Screen-to-body ratio | 81.1 % | 75.5 % |
| sRGB gamut | 92.9 % | n/a |
| PWM (Flicker) | n/a | 242 Hz |
| Response time | 40 ms | 4.6 ms |
| Contrast | 1318:1 | ∞ Infinite |
Design & Build
| Height | 164.9 mm (6.49 in) | 149.2 mm (5.87 in) |
| Width | 77 mm (3.03 in) | 70.6 mm (2.78 in) |
| Thickness | 9 mm (0.35 in) | 8.4 mm (0.33 in) |
| Weight | 194 g (6.84 oz) | 172 g (6.07 oz) |
| Water resistance | No | IP68 |
| Back panel | Plastic | Glass |
| Frame | Plastic | Metal |
| Colors | - Gray - Blue - Green |
- Black - Gold - Blue |
| Fingerprint sensor | No | Yes rear |
Screen-to-body ratio
Performance
| Chipset | MediaTek Helio G25 | Samsung Exynos 7 Octa 7885 |
| Max Frequency | 2000 MHz | 2200 MHz |
| CPU Cores | 8 (4 + 4) | 8 (2 + 6) |
| Architecture | - 4/1.5 (Cortex-A53) - 4/2 (Cortex-A53) |
- 6/1.6 (Cortex-A53) - 2/2.2 (Cortex-A73) |
| Process | TSMC | Samsung |
| Transistor Size | 12 nm | 14 nm |
| Neural Processor | No | No |
| Graphics | PowerVR GE8320 | Mali-G71 MP2 |
| GPU Cores | 32 | 32 |
| GPU Frequency | 650 MHz | 770 MHz |
| FLOPS | 41.8 GFLOPS | 70.4 GFLOPS |
| Geekbench 6 (Single-Core) | 472 | n/a |
| Geekbench 6 (Multi-Core) | 1524 | n/a |
| CPU | 50728 | 73673 |
| GPU | 16844 | 26657 |
| Memory | 28611 | 50080 |
| UX | 28942 | 52271 |
| NanoReview Score | 125125 | 202681 |
Memory
| RAM Size | - 2 GB - 4 GB - 6 GB |
4 GB |
| Memory Type | LPDDR4X | LPDDR4 |
| Memory Frequency | 1600 MHz | 1333 MHz |
| Channels | 2 | 2 |
| Storage Capacity | - 32 GB - 64 GB - 128 GB | - 32 GB - 64 GB |
| Storage Type | eMMC 5.1 | eMMC 5.1 |
| Memory Card | MicroSD | MicroSD |
Software
| OS | Android 10 (Upgradeable to Android 11) | Android 7.1.1 (Upgradeable to Android 9) |
| OS Size | 11 GB | n/a |
| UI Skin | MIUI 12.5 Enhanced | One UI 2.0 |
Battery
| Volume | 5000 mAh | 3000 mAh |
| Max Charging Power | 10 W | 18 W |
| Battery Type | Li-Po | Li-ion |
| Removable | No | No |
| Wireless Charging | No | No |
| Reverse Charging | No | No |
| Fast Charging | No | Yes Samsung Adaptive Fast Charge (50% in 30 min) |
| Full Charge Time | 2:55 h | 1:35 h |
| Web Browsing | 10:08 h | 06:38 h |
| Video Playback | 13:37 h | 11:19 h |
| Games | 05:37 h | 04:20 h |
| Standby Mode | 118 h | 80 h |
Main camera
| Matrix | 13 MP | 16 MP |
| Photo resolution | 4128x3096 pixels | 4920x3264 pixels |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Digital | Digital |
| 8K Recording | No | No |
| 4K Recording | No | No |
| 1080p Recording | Yes (Up to 30 fps) | Yes (Up to 30 fps) |
| Slow Motion | No | No |
| Lenses count | Standard: 13 MP | Standard: 16 MP |
| Features |
| Matrix | 13 MP | 16 MP |
| Aperture | f/2.2 | f/1.7 |
| Focal length | 28 mm | 26 mm |
| Sensor | n/a | Samsung S5K2P6SX |
| Sensor size | n/a | 1/2.8 |
| Pixel size | 1 μm | 1.12 μm |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
Front camera
| Matrix | 5 MP | 16 MP |
| Photo resolution | 2560x1960 pixels | 4608x3456 pixels |
| Aperture | f/2.2 | f/1.9 |
| Focal length | n/a | 27 mm |
| Sensor | CMOS | Samsung S5K3P8SP |
| Sensor size | n/a | 1/3.1 |
| Pixel size | 1.12 μm | 1 μm |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 30 fps | 1080p (Full HD) at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 4 (802.11 a/b/g/n) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot |
| Bluetooth version | 5 | 5 |
| Bluetooth features | LE, HID, A2DP | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP |
| USB type | Micro USB | 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 |
| NFC* | No | Yes |
| Infrared Port | No | No |
| 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 B2/3/5/8 | GSM 850, GSM 900, GSM 1800, GSM 1900 |
| 3G Bands | WCDMA B1/2/4/5/8 | HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100 |
| LTE Bands* | LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28) | LTE (B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500) |
| LTE category | 4 | 11 |
| 5G Support | No | No |
Sound
| Speakers | Mono | Mono |
| 3.5 mm Jack | Yes | Yes |
| FM Radio | Yes | Yes |
| Dolby Atmos | No | Yes |
Other
| Class | Budget | Mid-range |
| Announced | June, 2020 yr | December, 2017 yr |
| Release Date | August, 2020 yr | January, 2018 yr |
| Launch Price ($) | 100 | 480 |
| Sensors | - Proximity Sensor - Accelerometer - Ambient Light Sensor |
- Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
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