Samsung Galaxy S8 vs Xiaomi Redmi 15 5G
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Compared 2 smartphones : Samsung Galaxy S8 Manufactured in April, 2017, with display 5.8 with chipsetSamsung Exynos 9 Octa 8895, vs Xiaomi Redmi 15 5G, Manufactured in August, 2025 with chipsetQualcomm Snapdragon 6s Gen 3. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Samsung Galaxy S8
- Higher pixel density: 570ppi
- Lighter design: 155g vs 224g
- Supports newer USB: 3.1 vs 2
- Supports Dolby Atmos
Reasons to choose Xiaomi Redmi 15 5G
- Larger display: 6.9in
- Higher refresh rate: 144Hz
- Higher battery capacity: 7000mAh vs 3000mAh
- Newer Bluetooth version: 5.1 vs 5
- Infrared port
- Includes charger
Versions
| Memory Options | 4/64 GB | - 4/128 GB - 6/128 GB - 8/256 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 | 5.8 in | 6.9 in |
| Resolution | 1440x2960 pixels | 1080x2340 pixels |
| Aspect ratio | 18.5:9 | 19.5:9 |
| Pixel density | 570 ppi | 374 ppi |
| Refresh rate | 60 Hz | 144 Hz |
| Adaptive refresh rate | No | Yes |
| Max brightness | 540 nits | n/a |
| HDR support | Yes HDR10 | No |
| Screen-to-body ratio | 84.2 % | 83.1 % |
| Features | Always-On Display | n/a |
| sRGB gamut | 99.8 % | n/a |
| PWM (Flicker) | 250 Hz | n/a |
| Response time | 4.4 ms | n/a |
| Contrast | ∞ Infinite | n/a |
Design & Build
| Height | 148.9 mm (5.86 in) | 171.1 mm (6.74 in) |
| Width | 68.1 mm (2.68 in) | 82.1 mm (3.23 in) |
| Thickness | 8 mm (0.31 in) | 8.6 mm (0.34 in) |
| Weight | 155 g (5.47 oz) | 224 g (7.9 oz) |
| Water resistance | IP68 | IP64 |
| Back panel | Glass | Plastic |
| Frame | Metal | Plastic |
| Colors | - Black - Silver - Gold - Gray - Blue - Red - Pink |
- Black - Gray - Green |
| Fingerprint sensor | Yes rear | Yes, In-Button |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 9 Octa 8895 | Qualcomm Snapdragon 6s Gen 3 |
| Max Frequency | 2300 MHz | 2300 MHz |
| CPU Cores | 8 (4 + 4) | 8 (2 + 6) |
| Architecture | - 4/1.69 (Cortex-A53) - 4/2.314 (Exynos M2) |
- 6/2 (Cortex-A55) - 2/2.3 (Cortex-A78) |
| Process | Samsung | TSMC |
| Transistor Size | 10 nm | 6 nm |
| Neural Processor | No | Hexagon |
| Graphics | Mali-G71 MP20 | Adreno 619 |
| GPU Cores | 320 | 256 |
| GPU Frequency | 546 MHz | 900 MHz |
| FLOPS | 375 GFLOPS | 460.8 GFLOPS |
| Geekbench 6 (Single-Core) | 519 | 935 |
| Geekbench 6 (Multi-Core) | 1563 | 2109 |
| CPU | 107990 | 153170 |
| GPU | 116534 | 91687 |
| Memory | 84213 | 99792 |
| UX | 68366 | 128505 |
| NanoReview Score | 377103 | 473154 |
Memory
| RAM Size | 4 GB | 4 GB |
| Memory Type | LPDDR4X | LPDDR4X |
| Memory Frequency | 1794 MHz | 2133 MHz |
| Channels | 2 | 2 |
| Storage Capacity | 64 GB | 128 GB |
| Storage Type | UFS 2.1 | UFS 2.2 |
| Memory Card | MicroSD | No |
Software
| OS | Android 7.0 (Upgradeable to Android 9.0) | Android 15 |
| OS Size | 11.7 GB | n/a |
| UI Skin | One UI | HyperOS 2.0 |
Battery
| Volume | 3000 mAh | 7000 mAh |
| Max Charging Power | 15 W | 33 W |
| Battery Type | Li-ion | n/a |
| Removable | No | No |
| Wireless Charging | Yes Qi/PMA | No |
| Reverse Charging | No | No |
| Fast Charging | Yes Samsung Adaptive Fast Charge (40% in 30 min) | Yes |
| Full Charge Time | 1:45 h | n/a |
| Web Browsing | 06:26 h | n/a |
| Video Playback | 10:09 h | n/a |
| Games | 04:05 h | n/a |
| Standby Mode | 85 h | n/a |
Main camera
| Matrix | 12 MP | 50 MP |
| Photo resolution | 4000x3000 pixels | n/a |
| Zoom | Digital | Digital |
| Flash | Dual LED | LED |
| Stabilization | Optical | Digital |
| 8K Recording | No | No |
| 4K Recording | Yes (Up to 30 fps) | No |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 30 fps) |
| Slow Motion | 240 fps (720p) | n/a |
| Lenses count | Standard: 12 MP | Standard: 50 MP Depth |
| Features | Pro mode | Bokeh effect |
| Matrix | 12 MP | 50 MP |
| Aperture | f/1.7 | f/1.8 |
| Focal length | 26 mm | n/a |
| Sensor | Sony IMX333 | n/a |
| Sensor size | 1/2.55 | n/a |
| Pixel size | 1.4 μm | n/a |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Optical | Digital |
Front camera
| Matrix | 8 MP | 8 MP |
| Photo resolution | 3264x2448 pixels | n/a |
| Aperture | f/1.7 | f/2.0 |
| Focal length | 25 mm | n/a |
| Sensor | Samsung S5K3H7 | n/a |
| Sensor size | 1/3.6 | n/a |
| Pixel size | 1.22 μm | n/a |
| Autofocus | Phase autofocus | No |
| Stabilization | Digital | Digital |
| Video resolution | 1440p 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 |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5.1 |
| Bluetooth features | PBAP/PAB, PAN, OPP, MAP, LE, HSP, HID, HFP, DIP, AVRCP, A2DP | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.1 | 2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - OTG |
| GPS | - GPS - GLONASS - Beidou - Galileo |
- GPS - GLONASS - Beidou - Galileo |
| 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 | Yes | No |
| 2G Bands | GSM 850, GSM 900, GSM 1800, GSM 1900 | n/a |
| 3G Bands | HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100 | n/a |
| LTE Bands* | LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600) | n/a |
| LTE category | 16 | n/a |
| 5G Support | No | Yes |
Sound
| Speakers | Mono | n/a |
| 3.5 mm Jack | Yes | Yes |
| FM Radio | No | Yes |
| Dolby Atmos | Yes | n/a |
Other
| Class | Flagship | Mid-range |
| Announced | March, 2017 yr | August, 2025 yr |
| Release Date | April, 2017 yr | August, 2025 yr |
| Launch Price ($) | 720 | n/a |
| MSRP ($) | n/a | 230 |
| Sensors | - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | n/a | Yes, 33 W |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Xiaomi Redmi 15 5G the clear winner in this comparison.
Survey
Total Votes: 0
