Itel itel S25 Ultra vs Samsung Galaxy S21 Ultra
56
out 100
VS
67
out 100
Compared 2 smartphones : Itel itel S25 Ultra Manufactured in November, 2024, with display 6.78 with chipsetUnisoc T620, vs Samsung Galaxy S21 Ultra, Manufactured in February, 2021 with chipsetSamsung Exynos 2100. Below are specs, tests, pros and cons for each device
Key Differences
Reasons to choose Itel itel S25 Ultra
- Lighter design: 163g vs 227g
- Infrared port
- Includes charger
Reasons to choose Samsung Galaxy S21 Ultra
- Larger display: 6.8in
- Higher pixel density: 515ppi
- Newer Bluetooth version: 5.2 vs 5
- Supports newer USB: 3.2 vs 2
- Supports Dolby Atmos
- Built-in eSIM
Versions
| Memory Options | - 8/128 GB - 8/256 GB - 8/512 GB |
- 12/128 GB - 12/256 GB - 12/512 GB - 16/256 GB - 16/512 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 | AMOLED | Dynamic AMOLED |
| Size | 6.78 in | 6.8 in |
| Resolution | 1080x2436 pixels | 1440x3200 pixels |
| Aspect ratio | 20.5:9 | 20:9 |
| Pixel density | 393 ppi | 515 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes | Yes (10-120 Hz) |
| Max brightness | 1400 nits | 1500 nits |
| HDR support | No | Yes HDR10+ |
| Screen-to-body ratio | 89.1 % | 89.5 % |
| Features | - DCI-P3 - Always-On Display |
- DCI-P3 - Always-On Display |
Design & Build
| Height | 164.2 mm (6.46 in) | 165.1 mm (6.5 in) |
| Width | 74.6 mm (2.94 in) | 75.6 mm (2.98 in) |
| Thickness | 6.9 mm (0.27 in) | 8.9 mm (0.35 in) |
| Weight | 163 g (5.75 oz) | 227 g (8.01 oz) |
| Water resistance | IP64 | IP68 |
| Back panel | Plastic | Glass |
| Frame | Plastic | Metal |
| Colors | - Black - Gray - Purple |
- Black - Silver - Gray - Blue |
| Fingerprint sensor | Yes In-Display | Yes In-Display |
Screen-to-body ratio
Performance
| Chipset | Unisoc T620 | Samsung Exynos 2100 |
| Max Frequency | 2200 MHz | 2900 MHz |
| CPU Cores | 8 (2 + 6) | 8 (1 + 3 + 4) |
| Architecture | - 6/1.8 (Cortex-A55) - 2/2.2 (Cortex-A75) |
- 4/2.2 (Cortex-A55) - 3/2.81 (Cortex-A78) - 1/2.91 (Cortex-X1) |
| Process | TSMC | Samsung |
| Transistor Size | 12 nm | 5 nm |
| Neural Processor | No | Yes |
| Graphics | Mali-G57 MP1 | Mali-G78 MP14 |
| GPU Cores | 32 | 896 |
| GPU Frequency | 850 MHz | 854 MHz |
| FLOPS | 54.4 GFLOPS | 1530.4 GFLOPS |
| Geekbench 6 (Single-Core) | 497 | 1449 |
| Geekbench 6 (Multi-Core) | 1541 | 3892 |
| Geekbench Compute (GPU) | 599 | n/a |
| CPU | 101047 | 232358 |
| GPU | 30281 | 256356 |
| Memory | 116778 | 163007 |
| UX | 84809 | 191217 |
| NanoReview Score | 332915 | 843008 |
| Max Surface Temp. | n/a | 40.8 °C |
| Stability | n/a | 69 % |
| Graphics Test | n/a | 31 fps |
| Graphics Score | n/a | 5221 |
Memory
| RAM Size | 8 GB | - 12 GB - 16 GB |
| Memory Type | LPDDR4X | LPDDR5 |
| Memory Frequency | 2133 MHz | 2750 MHz |
| Channels | 2 | 2 |
| Storage Capacity | - 128 GB - 256 GB - 512 GB | - 128 GB - 256 GB - 512 GB |
| Storage Type | UFS 2.2 | UFS 3.1 |
| Memory Card | n/a | No |
Software
| OS | Android 14 | Android 11 (Upgradeable to Android 14) |
| OS Size | n/a | 26.4 GB |
| UI Skin | itel OS 14.5 | One UI 6 |
Battery
| Volume | 5000 mAh | 5000 mAh |
| Max Charging Power | 18 W | 25 W |
| Battery Type | Li-Po | Li-ion |
| Removable | No | No |
| Wireless Charging | No | Yes (15 W) |
| Reverse Charging | No | Yes (Wireless) |
| Fast Charging | Yes | Yes (54% in 30 min) |
| Full Charge Time | n/a | 1:11 h |
| Web Browsing | n/a | 07:58 h |
| Video Playback | n/a | 13:59 h |
| Games | n/a | 05:14 h |
| Standby Mode | n/a | 111 h |
Main camera
| Matrix | 50 MP | 108 MP |
| Photo resolution | n/a | 12000x9000 pixels |
| Zoom | Digital | Optical, 10x |
| Flash | LED | Dual LED |
| Stabilization | Digital | Optical |
| 8K Recording | No | Up to 24FPS |
| 4K Recording | No | Yes (Up to 60 fps) |
| 1080p Recording | Yes (Up to 30 fps) | Yes (Up to 60 fps) |
| Slow Motion | n/a | 960 fps (720p) |
| Wide-angle lens | n/a | 120 ° |
| Lenses count | Standard: 50 MP Macro Depth |
Standard: 108 MP Telephoto: 10 MP Telephoto: 10 MP Ultra-wide: 12 MP |
| Features | - Bokeh effect - Pro mode |
- Bokeh effect - Pro mode - RAW support |
| Matrix | 50 MP | 108 MP |
| Aperture | f/1.6 | f/1.8 |
| Focal length | n/a | 26 mm |
| Sensor | n/a | Samsung S5KHM3 |
| Sensor size | n/a | 1/1.33 |
| Pixel size | n/a | 0.8 μm |
| Autofocus | Phase autofocus | Laser autofocus |
| Stabilization | Digital | Optical |
| Matrix | n/a | 10 MP |
| Aperture | n/a | f/4.9 |
| Focal length | n/a | 240 mm |
| Sensor | n/a | Samsung S5K3J1 |
| Sensor size | n/a | 1/2.65 |
| Pixel size | n/a | 1.22 μm |
| Stabilization | n/a | Optical |
| Matrix | n/a | 12 MP |
| Aperture | n/a | f/2.2 |
| Focal length | n/a | 13 mm |
| Sensor | n/a | Sony IMX563 |
| Sensor size | n/a | 1/2.55 |
| Pixel size | n/a | 1.4 μm |
| Stabilization | n/a | Digital |
| Bokeh | n/a | 70 |
| Preview | n/a | 67 |
| Zoom | n/a | 106 |
Front camera
| Matrix | 32 MP | 40 MP |
| Photo resolution | n/a | 7864x5200 pixels |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 22 mm | 26 mm |
| Sensor | n/a | Samsung S5KGH1 |
| Sensor size | n/a | 1/2.65 |
| Pixel size | n/a | 0.7 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 6E (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - 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 | 5.2 |
| Bluetooth features | LE | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.2 |
| USB features | - Charging - USB Storage Mode - OTG |
- Charging - USB Storage Mode - USB-Host mode - OTG |
| DisplayPort | No | n/a |
| GPS | - GPS - GLONASS - Beidou - Galileo |
- GPS - GLONASS - Beidou - Galileo |
| NFC* | Yes | Yes |
| Infrared Port | Yes | No |
| 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 | n/a | GSM 850, 900, 1800, 1900 MHz |
| 3G Bands | n/a | WCDMA Band 1, 2, 4, 5, 8 |
| LTE Bands* | n/a | 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 | No | Yes |
Sound
| Speakers | Mono | Stereo |
| 3.5 mm Jack | No | No |
| FM Radio | No | No |
| Dolby Atmos | No | Yes |
Other
| Class | Budget | Flagship |
| Announced | November, 2024 yr | January, 2021 yr |
| Release Date | November, 2024 yr | February, 2021 yr |
| Launch Price ($) | 140 | 1200 |
| Sensors | - 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 | Yes 18 W | n/a |
*
Attention!
Config, frequencies, NFC, and other specs may vary by region.
Results
After analyzing the data, we consider Samsung Galaxy S21 Ultra the clear winner in this comparison.
Survey
Total Votes: 0
