Side-by-side technical data
itel RS4 vs itel S25 Ultra
Comparison between itel RS4 and itel S25 Ultra: camera, battery, fast charging, display, performance and colors, side by side. More phones from itel.
The verdict
Your pick: itel RS4, ahead on Performance & hardware, Camera and Battery & charging. Unless Design & display decides it for you.
| Category | RS4 | S25 Ultra |
|---|---|---|
| Design & display | 5.4 | 7.7 |
| Performance & hardware | 5.3 | 4.4 |
| Camera | 4.6 | 4.1 |
| Connectivity | 5.6 | 5.3 |
| Battery & charging | 6.6 | 5.4 |
Which one is for you?
itel RS4, if you care about…
- AnTuTu Score
- 448,000
- against 328,000
- RAM Capacity
- 12 GB
- against 8 GB
- Bluetooth Version
- Bluetooth 5.2
- against Bluetooth 5.0
- Fast Charge Power
- 45 W
- against 18 W
itel S25 Ultra, if you care about…
- Display Technology
- AMOLED
- against IPS LCD
- Maximum Storage Capacity
- 512 GB
- against 256 GB
- Peak Display Brightness
- 1,400 nits
- against 450 nits
- Display Pixel Density
- 393 ppi
- against 269 ppi
Specification comparison
Performance
| Specification | RS4 | S25 Ultra |
|---|---|---|
| Processor Model | MediaTek Helio G99 Ultimate | Unisoc T620 |
| Processor Process Size | 6 nm Best value | 12 nm |
| Graphics GPU | Mali-G57 MC2 | Mali-G57 MP1 |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Maximum CPU Clock | 2.2 GHz | 2.2 GHz |
| Maximum Storage Capacity | 256 GB | 512 GB Best value |
| AnTuTu Score | 448,000 Best value | 328,000 |
| Geekbench 6 Single-Core | 729 Best value | 497 |
| Geekbench 6 Multi-Core | 1,979 Best value | 1,541 |
| CPU Description | Octa-core processor with 2 Cortex-A76 cores at 2.2 GHz and 6 Cortex-A55 cores at 2.0 GHz. | Octa-core CPU with 2 Cortex-A75 cores at 2.2 GHz and 6 Cortex-A55 cores at up to 1.8 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 12 GB Best value | 8 GB |
| RAM Type | DDR4 | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v10 | v10 |
Design
| Specification | RS4 | S25 Ultra |
|---|---|---|
| Body Colors | White, Beige, Black, Gold | Black, Titanium, Blue, Grey, Cyan |
| Body Thickness | 8.2 mm | 6.9 mm Best value |
| Body Width | 75.5 mm | 76.4 mm |
| Body Height | 163.5 mm | 164.2 mm |
| Weight | 198 g | 163 g Best value |
| Usable Surface | 83 % | — |
| Body Materials | Plastic | Titanium Best value |
| Resistance Features | — | IP64 |
Battery
| Specification | RS4 | S25 Ultra |
|---|---|---|
| Battery Capacity | 5,000 mAh | 5,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 45 W Best value | 18 W |
| Battery Features | Bypass Charging, Reverse Charging, Non-Removable, Battery Level Indicator, Charger Included, Fast Charging, Rechargeable Best value | Fast Charging, Bypass Charging, Non-Removable, Battery Level Indicator, Rechargeable |
Display
| Specification | RS4 | S25 Ultra |
|---|---|---|
| Display Aspect Ratio | 20:9 | 20:9 |
| Display Technology | IPS LCD | AMOLED Best value |
| Peak Display Brightness | 450 nits | 1,400 nits Best value |
| Display Diagonal | 6.56″ | 6.78″ Best value |
| Display Horizontal Resolution | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,612 px | 2,436 px Best value |
| Display Pixel Density | 269 ppi | 393 ppi Best value |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Touch Sampling Rate | 240 Hz | 1,500 Hz Best value |
| Display Contrast Ratio | — | 5,000,000 :1 |
| Display Features | Hole-Punch Notch, Scratch Resistant, Curved Glass, Capacitive Touch, Multi-Touch, Frameless | Gorilla Glass 7i, Hole-Punch Notch, 2160Hz PWM, DCI-P3, 10-Bit Panel, Dual-Edge Display, Capacitive Touch, Multi-Touch, Frameless, Always-On Display |
Sensors
| Specification | RS4 | S25 Ultra |
|---|---|---|
| Fingerprint Sensor Placement | Side | Under Display |
Sensor
| Specification | RS4 | S25 Ultra |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Compass, Gravity Sensor, Light Sensor, Proximity Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Compass, Gyroscope, Light Sensor, Proximity Sensor |
Software
| Specification | RS4 | S25 Ultra |
|---|---|---|
| Operating System | Android 13 | Android 14 |
| OS Family | Android | Android |
| OS Version | 13 | 14 Best value |
| OS Update Support | — | 7 years |
| Google Services | Yes | Yes |
Connectivity
| Specification | RS4 | S25 Ultra |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B1, 3G UMTS B4, 3G UMTS B5, 3G UMTS B8, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B28A, 4G LTE B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41 | 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 |
| Cellular Technologies | GSM, HSPA, UMTS, LTE | GSM, HSPA, UMTS, LTE |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g, Wi-Fi 802.11 b/g/n, 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 5.2 Best value | Bluetooth 5.0 |
| Bluetooth Profiles | — | A2DP, LE |
| Navigation Systems | GPS, A-GPS, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo Best value |
| Connectivity Features | 3.5 mm Audio Jack, NFC, FM Radio, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG | Infrared, NFC, USB Type-C, USB 2.0, USB Charging, USB Mass Storage, USB Host 2.0, Computer Sync, OTA Sync, Tethering |
| USB Version | USB Type-C | USB 2.0 |
| Max. download speed | 650 Mbps Best value | 300 Mbps |
| Max. upload speed | 150 Mbps | 150 Mbps |
Audio
| Specification | RS4 | S25 Ultra |
|---|---|---|
| Audio Features | Stereo Speakers, Dolby Atmos, DTS, DTS:X, Hi-Res Audio | DTS, DTS:X, Noise-Cancellation Microphone, Stereo Speakers |
Technical
| Specification | RS4 | S25 Ultra |
|---|---|---|
| Model numbers | — | S686LN |
