Samsung Galaxy A8 (2018) vs Xiaomi 17 Ultra
Compared 2 smartphones : Samsung Galaxy A8 (2018) Manufactured in January, 2018, with display 5.6 with chipsetSamsung Exynos 7 Octa 7885, vs Xiaomi 17 Ultra, Manufactured in December, 2025 with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Samsung Galaxy A8 (2018)
- Higher pixel density: 441ppi
- Lighter design: 172g vs 224g
Reasons to choose Xiaomi 17 Ultra
- Larger display: 6.9in
- Higher refresh rate: 120Hz
- Higher battery capacity: 6800mAh vs 3000mAh
- Newer Bluetooth version: 5.4 vs 5
- Supports newer USB: 3.2 vs 2
- Supports DisplayPort
- Infrared port
- Built-in eSIM
- Includes charger
Versions
| Memory Options | - 4/32 GB - 4/64 GB |
- 12/512 GB - 16/512 GB - 16/1024 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 | AMOLED |
| Size | 5.6 in | 6.9 in |
| Resolution | 1080x2220 pixels | 1200x2608 pixels |
| Aspect ratio | 18.5:9 | 19.5:9 |
| Pixel density | 441 ppi | 416 ppi |
| Refresh rate | 60 Hz | 120 Hz |
| Adaptive refresh rate | No | Yes (1-120 Hz) |
| Max brightness | 390 nits | 1200 nits |
| HDR support | No | Yes, Dolby Vision |
| Screen-to-body ratio | 75.5 % | 92.4 % |
| Features | n/a | - DCI-P3 - Always-On Display - DC dimming |
| PWM (Flicker) | 242 Hz | n/a |
| Response time | 4.6 ms | n/a |
| Contrast | ∞ Infinite | n/a |
Design & Build
| Height | 149.2 mm (5.87 in) | 162.9 mm (6.41 in) |
| Width | 70.6 mm (2.78 in) | 77.6 mm (3.06 in) |
| Thickness | 8.4 mm (0.33 in) | 8.29 mm (0.33 in) |
| Weight | 172 g (6.07 oz) | 224 g (7.9 oz) |
| Water resistance | IP68 | IP69 |
| Cooling system | n/a | Vapor chamber |
| Back panel | Glass | Eco Leather |
| Frame | Metal | Metal |
| Colors | - Black - Gold - Blue |
- White - Black - Green - Purple |
| Fingerprint sensor | Yes rear | Yes, In-Display |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 7 Octa 7885 | Qualcomm Snapdragon 8 Elite Gen 5 |
| Max Frequency | 2200 MHz | 4610 MHz |
| CPU Cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6/1.6 (Cortex-A53) - 2/2.2 (Cortex-A73) |
6/3.63 () |
| Process | Samsung | TSMC |
| Transistor Size | 14 nm | 3 nm |
| Neural Processor | No | Hexagon |
| Graphics | Mali-G71 MP2 | Adreno 840 |
| GPU Cores | 32 | 1536 |
| GPU Frequency | 770 MHz | 1200 MHz |
| FLOPS | 70.4 GFLOPS | 3686.4 GFLOPS |
| Geekbench 6 (Single-Core) | n/a | 3510 |
| Geekbench 6 (Multi-Core) | n/a | 10993 |
| CPU | 73673 | 1198653 |
| GPU | 26657 | 1458267 |
| Memory | 50080 | 501472 |
| UX | 52271 | 805382 |
| NanoReview Score | 202681 | 3963774 |
Memory
| RAM Size | 4 GB | 12 GB |
| Memory Type | LPDDR4 | LPDDR5X |
| Memory Frequency | 1333 MHz | 5300 MHz |
| Channels | 2 | 4 |
| Storage Capacity | - 32 GB - 64 GB | 512 GB |
| Storage Type | eMMC 5.1 | UFS 4.1 |
| Memory Card | MicroSD | No |
Software
| OS | Android 7.1.1 (Upgradeable to Android 9) | Android 16 |
| UI Skin | One UI 2.0 | HyperOS 3 |
Battery
| Volume | 3000 mAh | 6800 mAh |
| Max Charging Power | 18 W | 90 W |
| Battery Type | Li-ion | Silicon Carbon (Si/C) |
| Removable | No | No |
| Wireless Charging | No | Yes (50 W) |
| Reverse Charging | No | Yes, (Wireless) |
| Fast Charging | Yes Samsung Adaptive Fast Charge (50% in 30 min) | Yes |
| Full Charge Time | 1:35 h | n/a |
| Web Browsing | 06:38 h | n/a |
| Video Playback | 11:19 h | n/a |
| Games | 04:20 h | n/a |
| Standby Mode | 80 h | n/a |
Main camera
| Matrix | 16 MP | 50 MP |
| Photo resolution | 4920x3264 pixels | 8192x6144 pixels |
| Zoom | Digital | Optical, 4.3x |
| Flash | LED | Dual LED |
| Stabilization | Digital | Optical |
| 8K Recording | No | Yes (Up to 30 fps) |
| 4K Recording | No | Yes (Up to 120 fps) |
| 1080p Recording | Yes (Up to 30 fps) | Yes (Up to 120 fps) |
| Slow Motion | No | 1920 fps (720p) |
| Wide-angle lens | n/a | 115 ° |
| Lenses count | Standard: 16 MP | Standard: 50 MP Telephoto: 200 MP Ultra-wide: 50 MP |
| Features | - Bokeh effect - Pro mode - RAW support |
| Matrix | 16 MP | 50 MP |
| Aperture | f/1.7 | f/1.7 |
| Focal length | 26 mm | 23 mm |
| Sensor | Samsung S5K2P6SX | n/a |
| Sensor size | 1/2.8 | 1/1 (1) |
| Pixel size | 1.12 μm | 1.6 μm |
| Autofocus | Phase autofocus | Laser autofocus |
| Stabilization | Digital | Optical |
| Matrix | n/a | 200 MP |
| Aperture | n/a | f/2.4 - 3.0 |
| Focal length | n/a | 100 mm |
| Sensor size | n/a | 1/1.4 (0.71) |
| Pixel size | n/a | 0.56 μm |
| Stabilization | n/a | Optical |
| Matrix | n/a | 50 MP |
| Aperture | n/a | f/2.2 |
| Focal length | n/a | 14 mm |
| Sensor | n/a | OmniVision OV50M40 |
| Sensor size | n/a | 1/2.88 (0.35) |
| Pixel size | n/a | 0.61 μm |
| Stabilization | n/a | Digital |
Front camera
| Matrix | 16 MP | 50 MP |
| Photo resolution | 4608x3456 pixels | 8192x6144 pixels |
| Aperture | f/1.9 | f/2.2 |
| Focal length | 27 mm | n/a |
| Sensor | Samsung S5K3P8SP | CMOS |
| Sensor size | 1/3.1 | 1/2.88 (0.35) |
| Pixel size | 1 μm | 0.61 μm |
| Autofocus | No | Phase autofocus |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 30 fps | 2160p (4K) at 60 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 5 (802.11 a/b/g/n/ac) | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| Wi-Fi features | - Dual Band - Wi-Fi Direct - Wi-Fi Hotspot |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5.4 |
| Bluetooth features | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - OTG |
| DisplayPort | n/a | Yes |
| GPS | - GPS - GLONASS - Beidou |
- GPS - GLONASS - Beidou - Galileo - QZSS - 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 | Yes |
| Hybrid Slot | No | No |
| 2G Bands | GSM 850, GSM 900, GSM 1800, GSM 1900 | GSM B2 / B3 / B5 / B8 |
| 3G Bands | HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100 | WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19 |
| LTE Bands* | LTE (B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500) | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66/B71) |
| LTE category | 11 | n/a |
| 5G Support | No | Yes |
Sound
| Speakers | Mono | n/a |
| 3.5 mm Jack | Yes | No |
| FM Radio | Yes | No |
| Dolby Atmos | Yes | Yes |
Other
| Class | Mid-range | Flagship |
| Announced | December, 2017 yr | December, 2025 yr |
| Release Date | January, 2018 yr | December, 2025 yr |
| Launch Price ($) | 480 | n/a |
| Sensors | - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | n/a | Yes, 100 W |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Xiaomi 17 Ultra the clear winner in this comparison.
Survey
Total Votes: 0