Side-by-side technical data
itel S25 Ultra vs Xiaomi Redmi 15C
Comparison between itel S25 Ultra and Xiaomi Redmi 15C: camera, battery, fast charging, display, performance and colors, side by side. More phones from itel and Xiaomi.
The verdict
Neither runs away with it: each wins something.
| Category | S25 Ultra | Redmi 15C |
|---|---|---|
| Design & display | 7.7 | 5.4 |
| Performance & hardware | 4.4 | 4.2 |
| Camera | 4.1 | 3.7 |
| Connectivity | 5.3 | 6.8 |
| Battery & charging | 5.4 | 6.9 |
Which one is for you?
itel S25 Ultra, if you care about…
- AnTuTu Score
- 328,000
- against 262,000
- Display Technology
- AMOLED
- against IPS LCD
- Maximum Storage Capacity
- 512 GB
- against 256 GB
- Peak Display Brightness
- 1,400 nits
- against 810 nits
Xiaomi Redmi 15C, if you care about…
- Battery Capacity
- 6,000 mAh
- against 5,000 mAh
- Bluetooth Version
- Bluetooth 5.4
- against Bluetooth 5.0
- Fast Charge Power
- 33 W
- against 18 W
- Battery Features
- Fast Charging, Reverse Charging, Non-Removable
- against Fast Charging, Bypass Charging, Non-Removable, Battery Level Indicator, Rechargeable
Specification comparison
Performance
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| Processor Model | Unisoc T620 | MediaTek Dimensity 6300 |
| Processor Process Size | 12 nm | 6 nm Best value |
| Graphics GPU | Mali-G57 MP1 | Mali-G57 MC2 |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Maximum CPU Clock | 2.2 GHz | 2.4 GHz Best value |
| Maximum Storage Capacity | 512 GB Best value | 256 GB |
| AnTuTu Score | 328,000 Best value | 262,000 |
| Geekbench 6 Single-Core | 497 | — |
| Geekbench 6 Multi-Core | 1,541 | — |
| CPU Description | Octa-core CPU with 2 Cortex-A75 cores at 2.2 GHz and 6 Cortex-A55 cores at up to 1.8 GHz. | Octa-core CPU with 2 Cortex-A76 cores at 2.4 GHz and 6 Cortex-A55 cores at 2.0 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB | 8 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v10 | v10 |
Design
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| Body Colors | Black, Titanium, Blue, Grey, Cyan | Black, Green, Purple, Blue, Orange |
| Body Thickness | 6.9 mm Best value | 8.2 mm |
| Body Width | 76.4 mm | 81.1 mm |
| Body Height | 164.2 mm | 173.2 mm |
| Weight | 163 g Best value | 211 g |
| Usable Surface | — | 81.8 % |
| Body Materials | Titanium Best value | Plastic, Glass |
| Resistance Features | IP64 | IP64 |
| Drop Resistance Class | — | A |
| Repairability Class | — | C |
| Drop Test Count | — | 270 |
Battery
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| Battery Efficiency Rating | — | A |
| Battery Capacity | 5,000 mAh | 6,000 mAh Best value |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 18 W | 33 W Best value |
| Battery Features | Fast Charging, Bypass Charging, Non-Removable, Battery Level Indicator, Rechargeable | Fast Charging, Reverse Charging, Non-Removable Best value |
| Battery Endurance | — | 69 h 38 min |
| Charge cycles | — | 1,000 |
Display
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | AMOLED Best value | IPS LCD |
| Peak Display Brightness | 1,400 nits Best value | 810 nits |
| Display Diagonal | 6.78″ | 6.9″ Best value |
| Display Horizontal Resolution | 1,080 px Best value | 720 px |
| Display Vertical Resolution | 2,436 px Best value | 1,600 px |
| Display Pixel Density | 393 ppi Best value | 254 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Touch Sampling Rate | 1,500 Hz Best value | 240 Hz |
| Display Contrast Ratio | 5,000,000 :1 Best value | 1,500 :1 |
| Display Features | Gorilla Glass 7i, Hole-Punch Notch, 2160Hz PWM, DCI-P3, 10-Bit Panel, Dual-Edge Display, Capacitive Touch, Multi-Touch, Frameless, Always-On Display | Mohs Level 6, Water Drop Notch, 120Hz, TÜV Rheinland Flicker-Free Certified, TÜV Rheinland Eye Comfort Certification, DC Dimming, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless |
Sensors
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Side |
Sensor
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor | Fingerprint Sensor, Accelerometer, Compass, Light Sensor, Virtual Proximity Sensing |
Software
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| Operating System | Android 14 | Android 15 |
| OS Family | Android | Android |
| OS Version | 14 | 15 Best value |
| OS Update Support | 7 years Best value | 5 years |
| Google Services | Yes | Yes |
Connectivity
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B5, 3G UMTS B8, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS 800, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, 4G LTE B28A, 4G LTE B32, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B42, 4G LTE B48, 4G LTE B66, 4G LTE B71, 5G NR n1, 5G NR n2, 5G NR n3, 5G NR n5, 5G NR n7, 5G NR n8, 5G NR n12, 5G NR n20, 5G NR n26, 5G NR n28, 5G NR n38, 5G NR n40, 5G NR n41, 5G NR n48, 5G NR n66, 5G NR n71, 5G NR n77, 5G NR n78 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE | GSM, HSPA, LTE, 5G Best value |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 802.11 b/g/n, Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.4 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | Infrared, NFC, USB Type-C, USB 2.0, USB Charging, USB Mass Storage, USB Host 2.0, Computer Sync, OTA Sync, Tethering | 3.5 mm Audio Jack, Virtual Proximity Sensing, NFC, FM Radio, USB Type-C, USB Charging, Computer Sync, Infrared, OTA Sync, Tethering, VoLTE, USB Mass Storage, USB Host 2.0 |
| USB Version | USB 2.0 | USB 2.0 |
| SAR (EU) head | — | 0.99 W/kg |
| SAR (EU) body | — | 0.95 W/kg |
| Max. download speed | 300 Mbps | — |
| Max. upload speed | 150 Mbps | — |
Audio
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| Audio Features | DTS, DTS:X, Noise-Cancellation Microphone, Stereo Speakers | A2DP, LE, Stereo Speakers, Hi-Res Audio, Noise-Cancellation Microphone, EDR, HID |
Technical
| Specification | S25 Ultra | Redmi 15C |
|---|---|---|
| Model numbers | S686LN | 2508CRN2BE, 2508CRN2BC, 2508CRN2BG |
