Samsung Galaxy S25 vs Samsung Galaxy A8 (2018)
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Compared 2 smartphones : Samsung Galaxy S25 Manufactured in February, 2025, with display 6.2 with chipsetQualcomm Snapdragon 8 Elite, vs Samsung Galaxy A8 (2018), Manufactured in January, 2018with chipsetSamsung Exynos 7 Octa 7885. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Samsung Galaxy S25
- Larger display: 6.2in
- Higher refresh rate: 120Hz
- Lighter design: 162g vs 172g
- Higher battery capacity: 4000mAh vs 3000mAh
- Newer Bluetooth version: 5.4 vs 5
- Supports newer USB: 3.2 vs 2
- Supports DisplayPort
- Built-in eSIM
Reasons to choose Samsung Galaxy A8 (2018)
- Higher pixel density: 441ppi
Versions
| Memory Options | - 12/128 GB - 12/256 GB - 12/512 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 | Dynamic AMOLED | Super AMOLED |
| Size | 6.2 in | 5.6 in |
| Resolution | 1080x2340 pixels | 1080x2220 pixels |
| Aspect ratio | 19.5:9 | 18.5:9 |
| Pixel density | 416 ppi | 441 ppi |
| Refresh rate | 120 Hz | 60 Hz |
| Adaptive refresh rate | Yes (1-120 Hz) | No |
| Max brightness | 2600 nits | 390 nits |
| HDR support | Yes HDR10+ | No |
| Touch Sampling Rate | 240 Hz | n/a |
| Screen-to-body ratio | 91.1 % | 75.5 % |
| Features | - DCI-P3 - Always-On Display |
n/a |
| sRGB gamut | 97.4 % | n/a |
| PWM (Flicker) | 240 Hz | 242 Hz |
| Response time | 2 ms | 4.6 ms |
| Contrast | ∞ Infinite | ∞ Infinite |
Design & Build
| Height | 146.9 mm (5.78 in) | 149.2 mm (5.87 in) |
| Width | 70.5 mm (2.78 in) | 70.6 mm (2.78 in) |
| Thickness | 7.2 mm (0.28 in) | 8.4 mm (0.33 in) |
| Weight | 162 g (5.71 oz) | 172 g (6.07 oz) |
| Water resistance | IP68 | IP68 |
| Cooling system | Vapor chamber | n/a |
| Back panel | Glass | Glass |
| Frame | Metal | Metal |
| Colors | - Black - Silver - Gray - Blue - Green - Pink |
- Black - Gold - Blue |
| Fingerprint sensor | Yes In-Display | Yes rear |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Elite | Samsung Exynos 7 Octa 7885 |
| Max Frequency | 4470 MHz | 2200 MHz |
| CPU Cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6/3.53 (Oryon (Phoenix M)) - 2/4.32 (Oryon (Phoenix L)) |
- 6/1.6 (Cortex-A53) - 2/2.2 (Cortex-A73) |
| Process | TSMC | Samsung |
| Transistor Size | 3 nm | 14 nm |
| Neural Processor | Hexagon | No |
| Graphics | Adreno 830 | Mali-G71 MP2 |
| GPU Cores | 1536 | 32 |
| GPU Frequency | 1100 MHz | 770 MHz |
| FLOPS | 3379.2 GFLOPS | 70.4 GFLOPS |
| Geekbench 6 (Single-Core) | 3075 | n/a |
| Geekbench 6 (Multi-Core) | 9822 | n/a |
| Geekbench Compute (GPU) | 26264 | n/a |
| CPU | 580139 | 73673 |
| GPU | 961299 | 26657 |
| Memory | 478741 | 50080 |
| UX | 362794 | 52271 |
| NanoReview Score | 2382973 | 202681 |
Memory
| RAM Size | 12 GB | 4 GB |
| Memory Type | LPDDR5X | LPDDR4 |
| Memory Frequency | 5333 MHz | 1333 MHz |
| Channels | 2 | 2 |
| Storage Capacity | 128 GB | - 32 GB - 64 GB |
| Storage Type | UFS 4.0 | eMMC 5.1 |
| Memory Card | No | MicroSD |
Software
| OS | Android 15 | Android 7.1.1 (Upgradeable to Android 9) |
| OS Size | 30.1 GB | n/a |
| UI Skin | One UI 7.0 | One UI 2.0 |
Battery
| Volume | 4000 mAh | 3000 mAh |
| Max Charging Power | 25 W | 18 W |
| Battery Type | Li-ion | Li-ion |
| Removable | No | No |
| Wireless Charging | Yes (15 W) | No |
| Reverse Charging | Yes (Wireless) | No |
| Fast Charging | Yes (56% in 30 min) | Yes Samsung Adaptive Fast Charge (50% in 30 min) |
| Full Charge Time | 1:17 h | 1:35 h |
| Web Browsing | 09:09 h | 06:38 h |
| Video Playback | 17:15 h | 11:19 h |
| Games | 05:32 h | 04:20 h |
| Standby Mode | 108 h | 80 h |
Main camera
| Matrix | 50 MP | 16 MP |
| Photo resolution | 8160x6120 pixels | 4920x3264 pixels |
| Zoom | Optical, 3x | Digital |
| Flash | LED | LED |
| Stabilization | Optical | Digital |
| 8K Recording | Yes (Up to 30 fps) | No |
| 4K Recording | Yes (Up to 60 fps) | No |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 30 fps) |
| Slow Motion | 240 fps (1080p) | No |
| Wide-angle lens | 120 ° | n/a |
| Lenses count | Standard: 50 MP Telephoto: 10 MP Ultra-wide: 12 MP |
Standard: 16 MP |
| Features | - Bokeh effect - Pro mode - RAW support |
| Matrix | 50 MP | 16 MP |
| Aperture | f/1.8 | f/1.7 |
| Focal length | 24 mm | 26 mm |
| Sensor | Samsung ISOCELL S5KGN3 | Samsung S5K2P6SX |
| Sensor size | 1/1.56 | 1/2.8 |
| Pixel size | 1 μm | 1.12 μm |
| Autofocus | Phase autofocus (Dual Pixel) | Phase autofocus |
| Stabilization | Optical | Digital |
| Matrix | 10 MP | n/a |
| Aperture | f/2.4 | n/a |
| Focal length | 67 mm | n/a |
| Sensor | Samsung ISOCELL S5K3K1 | n/a |
| Sensor size | 1/3.94 | n/a |
| Pixel size | 1 μm | n/a |
| Stabilization | Optical | n/a |
| Matrix | 12 MP | n/a |
| Aperture | f/2.2 | n/a |
| Focal length | 13 mm | n/a |
| Sensor | Sony IMX564 | n/a |
| Sensor size | 1/2.55 | n/a |
| Pixel size | 1.4 μm | n/a |
| Stabilization | Digital | n/a |
Front camera
| Matrix | 12 MP | 16 MP |
| Photo resolution | 4000x3000 pixels | 4608x3456 pixels |
| Aperture | f/2.2 | f/1.9 |
| Focal length | 26 mm | 27 mm |
| Sensor | Samsung S5K3LU | Samsung S5K3P8SP |
| Sensor size | 1/3.2 | 1/3.1 |
| Pixel size | 1.12 μm | 1 μm |
| Autofocus | Phase autofocus | No |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 60 fps | 1080p (Full HD) at 30 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot |
| Bluetooth version | 5.4 | 5 |
| Bluetooth features | LE | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - OTG |
| DisplayPort | Yes DP 1.2 | n/a |
| GPS | - GPS - GLONASS - Beidou - Galileo - QZSS |
- GPS - GLONASS - Beidou |
| NFC* | Yes | Yes |
| Infrared Port | No | No |
| SIM Count* | 1 | 2 |
| SIM Type | Nano | Nano |
| SIM Mode | Dual SIM Standby | Dual SIM Standby |
| eSIM Support * | Yes | No |
| Hybrid Slot | No | No |
| 2G Bands | GSM850,GSM900,DCS1800,PCS1900 | GSM 850, GSM 900, GSM 1800, GSM 1900 |
| 3G Bands | UMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900) | HSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100 |
| LTE Bands* | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71) | LTE (B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500) |
| LTE category | n/a | 11 |
| 5G Support | Yes | No |
Sound
| Speakers | n/a | Mono |
| 3.5 mm Jack | No | Yes |
| FM Radio | No | Yes |
| Dolby Atmos | Yes | Yes |
Other
| Class | Flagship | Mid-range |
| Announced | January, 2025 yr | December, 2017 yr |
| Release Date | February, 2025 yr | January, 2018 yr |
| Launch Price ($) | n/a | 480 |
| MSRP ($) | 799 | n/a |
| Sensors | - Hall Sensor - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | No | n/a |
Note
Samsung Galaxy S25:
Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. model has 1.
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Samsung Galaxy S25 the clear winner in this comparison.
Survey
Total Votes: 0
