Samsung Galaxy S25 Plus vs Samsung Galaxy S21
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Compared 2 smartphones : Samsung Galaxy S25 Plus Manufactured in February, 2025, with display 6.7 with chipsetQualcomm Snapdragon 8 Elite, vs Samsung Galaxy S21, Manufactured in February, 2021with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Samsung Galaxy S25 Plus
- Larger display: 6.7in
- Higher pixel density: 513ppi
- Higher battery capacity: 4900mAh vs 4000mAh
- Newer Bluetooth version: 5.4 vs 5
- Supports DisplayPort
Reasons to choose Samsung Galaxy S21
- Lighter design: 169g vs 190g
Versions
| Memory Options | - 12/256 GB - 12/512 GB |
- 8/128 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 | Dynamic AMOLED | Dynamic AMOLED |
| Size | 6.7 in | 6.2 in |
| Resolution | 1440x3120 pixels | 1080x2400 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| Pixel density | 513 ppi | 421 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (1-120 Hz) | Yes (48-120 Hz) |
| Max brightness | 2600 nits | 800 nits |
| HDR support | Yes HDR10+ | Yes HDR10+ |
| Touch Sampling Rate | 240 Hz | n/a |
| Screen-to-body ratio | 91.7 % | 85.9 % |
| Features | - DCI-P3 - Always-On Display |
- DCI-P3 - Always-On Display |
| sRGB gamut | 96.8 % | 99.5 % |
| PWM (Flicker) | 240 Hz | 240 Hz |
| Response time | 1 ms | 5 ms |
| Contrast | ∞ Infinite | ∞ Infinite |
Design & Build
| Height | 158.4 mm (6.24 in) | 151.7 mm (5.97 in) |
| Width | 75.8 mm (2.98 in) | 71.2 mm (2.8 in) |
| Thickness | 7.3 mm (0.29 in) | 7.9 mm (0.31 in) |
| Weight | 190 g (6.7 oz) | 169 g (5.96 oz) |
| Water resistance | IP68 | IP68 |
| Cooling system | Vapor chamber | n/a |
| Back panel | Glass | Plastic |
| Frame | Metal | Metal |
| Colors | - Black - Silver - Gray - Blue - Green - Pink |
- White - Gray - Pink - Purple |
| Fingerprint sensor | Yes In-Display | Yes In-Display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Elite | Samsung Exynos 2100 |
| Max Frequency | 4470 MHz | 2900 MHz |
| CPU Cores | 8 (2 + 6) | 8 (1 + 3 + 4) |
| Architecture | - 6/3.53 (Oryon (Phoenix M)) - 2/4.32 (Oryon (Phoenix L)) |
- 4/2.2 (Cortex-A55) - 3/2.81 (Cortex-A78) - 1/2.91 (Cortex-X1) |
| Process | TSMC | Samsung |
| Transistor Size | 3 nm | 5 nm |
| Neural Processor | Hexagon | Yes |
| Graphics | Adreno 830 | Mali-G78 MP14 |
| GPU Cores | 1536 | 896 |
| GPU Frequency | 1100 MHz | 854 MHz |
| FLOPS | 3379.2 GFLOPS | 1530.4 GFLOPS |
| Geekbench 6 (Single-Core) | 3087 | 1331 |
| Geekbench 6 (Multi-Core) | 9762 | 3593 |
| Geekbench Compute (GPU) | 25122 | n/a |
| CPU | 466147 | 253391 |
| GPU | 1014939 | 281676 |
| Memory | 326456 | 158352 |
| UX | 328551 | 210361 |
| NanoReview Score | 2136093 | 903780 |
| Max Surface Temp. | n/a | 38.9 °C |
| Stability | n/a | 66 % |
| Graphics Test | n/a | 34 fps |
| Graphics Score | n/a | 5715 |
| Writing score | n/a | 16101 |
| Web score | n/a | 11909 |
| Video editing | n/a | 7097 |
| Data manipulation | n/a | 10153 |
| NanoReview Score | n/a | 13123 |
Memory
| RAM Size | 12 GB | 8 GB |
| Memory Type | LPDDR5X | LPDDR5 |
| Memory Frequency | 5333 MHz | 2750 MHz |
| Channels | 2 | 2 |
| Storage Capacity | - 256 GB - 512 GB | - 128 GB - 256 GB |
| Storage Type | UFS 4.0 | UFS 3.1 |
| Memory Card | No | No |
Software
| OS | Android 15 | Android 11 (Upgradeable to Android 14) |
| OS Size | 29.1 GB | 28.1 GB |
| UI Skin | One UI 7.0 | One UI 6.0 |
Battery
| Volume | 4900 mAh | 4000 mAh |
| Max Charging Power | 45 W | 25 W |
| Battery Type | Li-ion | Li-ion |
| Removable | No | No |
| Wireless Charging | Yes (15 W) | Yes (15 W) |
| Reverse Charging | Yes (Wireless) | Yes (Wireless) |
| Fast Charging | Yes (75% in 30 min) | Yes (55% in 50 min) |
| Full Charge Time | 0:59 h | 1:35 h |
| Web Browsing | 10:20 h | 06:01 h |
| Video Playback | 18:29 h | 11:06 h |
| Games | 06:19 h | 04:21 h |
| Standby Mode | 137 h | 95 h |
Main camera
| Matrix | 50 MP | 12 MP |
| Photo resolution | 8160x6120 pixels | 4000x3000 pixels |
| Zoom | Optical, 3x | Optical, 1.1x |
| Flash | LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K Recording | Yes (Up to 30 fps) | Up to 24FPS |
| 4K Recording | Yes (Up to 60 fps) | Yes (Up to 60 fps) |
| 1080p Recording | Yes (Up to 60 fps) | Yes (Up to 60 fps) |
| Slow Motion | 240 fps (1080p) | 960 fps (720p) |
| Wide-angle lens | 120 ° | 120 ° |
| Lenses count | Standard: 50 MP Telephoto: 10 MP Ultra-wide: 12 MP |
Standard: 12 MP Telephoto: 64 MP Ultra-wide: 12 MP |
| Features | - Bokeh effect - Pro mode - RAW support |
- Bokeh effect - Pro mode - RAW support |
| Matrix | 50 MP | 12 MP |
| Aperture | f/1.8 | f/1.8 |
| Focal length | 24 mm | 26 mm |
| Sensor | Samsung ISOCELL S5KGN3 | Sony IMX555 |
| Sensor size | 1/1.56 | 1/1.76 |
| Pixel size | 1 μm | 1.8 μm |
| Autofocus | Phase autofocus (Dual Pixel) | Phase autofocus (Dual Pixel) |
| Stabilization | Optical | Optical |
| Matrix | 10 MP | 64 MP |
| Aperture | f/2.4 | f/2.0 |
| Focal length | 67 mm | 28 mm |
| Sensor | Samsung ISOCELL S5K3K1 | Samsung Bright S5KGW2 |
| Sensor size | 1/3.94 | 1/1.72 |
| Pixel size | 1 μm | 0.8 μm |
| Stabilization | Optical | Optical |
| Matrix | 12 MP | 12 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 13 mm | 13 mm |
| Sensor | Sony IMX564 | Sony IMX563 |
| Sensor size | 1/2.55 | 1/2.55 |
| Pixel size | 1.4 μm | 1.4 μm |
| Stabilization | Digital | Digital |
| Bokeh | n/a | 70 |
| Preview | n/a | 72 |
| Zoom | n/a | 126 |
Front camera
| Matrix | 12 MP | 10 MP |
| Photo resolution | 4000x3000 pixels | 3872x2592 pixels |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 26 mm | 26 mm |
| Sensor | Samsung S5K3LU | Sony IMX374 |
| Sensor size | 1/3.2 | 1/3.24 |
| Pixel size | 1.12 μm | 1.22 μm |
| Autofocus | Phase autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 60 fps | 2160p (4K) at 60 fps |
| TOF 3D sensor | No | No |
Connectivity
| Wi-Fi version | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.4 | 5 |
| Bluetooth features | LE | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 3.2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - USB-Host mode - OTG |
| DisplayPort | Yes DP 1.2 | n/a |
| GPS | - GPS - GLONASS - Beidou - Galileo - QZSS |
- GPS - GLONASS - Beidou - Galileo |
| 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 | Yes |
| Hybrid Slot | No | No |
| 2G Bands | GSM850,GSM900,DCS1800,PCS1900 | GSM 850, 900, 1800, 1900 MHz |
| 3G Bands | UMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900) | WCDMA Band 1, 2, 4, 5, 8 |
| LTE Bands* | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71) | LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66) |
| LTE category | n/a | 24 |
| 5G Support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| 3.5 mm Jack | No | No |
| FM Radio | No | No |
| Dolby Atmos | Yes | Yes |
Other
| Class | Flagship | Flagship |
| Announced | January, 2025 yr | January, 2021 yr |
| Release Date | February, 2025 yr | February, 2021 yr |
| Launch Price ($) | 999 | 800 |
| Sensors | - Hall Sensor - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
- Hall Sensor - Barometer - Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor |
| Charger Included | No | n/a |
Note
Samsung Galaxy S25 Plus:
You can connect up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. model has only one.
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Samsung Galaxy S25 Plus the clear winner in this comparison.
Survey
Total Votes: 1
