Side-by-side technical data
Fossibot F115 Ultra vs Xiaomi Redmi Note 15 4G
Comparison between Fossibot F115 Ultra and Xiaomi Redmi Note 15 4G: camera, battery, fast charging, display, performance and colors, side by side. More phones from Fossibot and Xiaomi.
The verdict
Your pick: Fossibot F115 Ultra, ahead on Performance & hardware and Connectivity. Unless Design & display decides it for you.
| Category | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Design & display | 5.2 | 7.8 |
| Performance & hardware | 6.2 | 4.9 |
| Camera | 4.7 | 4.7 |
| Connectivity | 7.4 | 6.3 |
| Battery & charging | 6.9 | 6.9 |
Which one is for you?
Fossibot F115 Ultra, if you care about…
- Battery Capacity
- 20,000 mAh
- against 6,000 mAh
- RAM Capacity
- 12 GB
- against 8 GB
- Wi-Fi Standards
- Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
- against Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
- Bluetooth Version
- Bluetooth 5.4
- against Bluetooth 5.3
Xiaomi Redmi Note 15 4G, if you care about…
- Display Technology
- AMOLED
- against IPS LCD
- Maximum Storage Capacity
- 512 GB
- against 256 GB
- Peak Display Brightness
- 3,200 nits
- against 480 nits
- Weight
- 183.7 g
- against 710 g
Specification comparison
Performance
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Processor Model | MediaTek Dimensity 7100 | MediaTek Helio G100 |
| Processor Process Size | 6 nm | 6 nm |
| Graphics GPU | Mali-G610 MC2 | Mali-G57 MC2 |
| Storage Type | UFS 2.2 | UFS 2.2 |
| Maximum CPU Clock | 2.4 GHz Best value | 2.2 GHz |
| Maximum Storage Capacity | 256 GB | 512 GB Best value |
| AnTuTu Score | 810,000 | 550,000 |
| CPU Description | 4×2.4 GHz ARM Cortex-A78 + 4×2.0 GHz ARM Cortex-A55 | Octa-core CPU with 2 Cortex-A76 cores at 2.2 GHz and 6 Cortex-A55 cores at 2.0 GHz |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 12 GB Best value | 8 GB |
| RAM Type | LPDDR5 Best value | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v11 | v10 |
Design
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Body Colors | Black, Blue, Pink, Green, Orange | Black, Green, Blue, Purple |
| Body Thickness | 30.4 mm | 7.9 mm Best value |
| Body Width | 87.4 mm | 75.4 mm |
| Body Height | 185.5 mm | 164 mm |
| Weight | 710 g | 183.7 g Best value |
| Usable Surface | 67 % | 89.7 % Best value |
| Body Materials | Plastic | Plastic |
| Resistance Features | IP68, IP69, MIL-STD-810H Best value | IP64 |
| Drop Resistance Class | — | A |
| Repairability Class | — | C |
| Drop Test Count | — | 270 |
Battery
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Battery Efficiency Rating | — | B |
| Battery Capacity | 20,000 mAh Best value | 6,000 mAh |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 33 W | 33 W |
| Battery Features | Fast Charging, Reverse Charging, Non-Removable | Non-Removable, Rechargeable, Fast Charging, Reverse Charging, Battery Level Indicator |
| Battery Endurance | — | 55 h |
| Charge cycles | — | 1,000 |
Display
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Display Aspect Ratio | 21:9 | 20:9 |
| Display Technology | IPS LCD | AMOLED Best value |
| Peak Display Brightness | 480 nits | 3,200 nits Best value |
| Display Diagonal | 6.78″ Best value | 6.77″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,460 px Best value | 2,392 px |
| Display Pixel Density | 396 ppi Best value | 388 ppi |
| Display Refresh Rate | 120 Hz | 120 Hz |
| Touch Sampling Rate | — | 240 Hz |
| Display Contrast Ratio | — | 8,000,000 :1 |
| Display Features | Hole-Punch Notch, Scratch Resistant, Gorilla Glass, Capacitive Touch, Multi-Touch | Mohs Level 5, 3840Hz PWM, Hole-Punch Notch, SGS Certified, TÜV Rheinland Low Blue Light, TÜV Rheinland Flicker-Free Certified, TÜV Rheinland Eye Comfort Certification, DCI-P3, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless, Always-On Display |
Sensors
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Fingerprint Sensor Placement | Side | Under Display |
Sensor
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Barometer, Compass, Gravity Sensor, Gyroscope, Light Sensor, Proximity Sensor | Fingerprint Sensor, Accelerometer, Gyroscope, Compass, Proximity Sensor, Light Sensor, Virtual Proximity Sensing, Cooling System |
Software
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Operating System | — | Android 15 |
| OS Family | — | Android |
| OS Version | — | 15 |
| OS Update Support | — | 5 years |
| Google Services | Yes | Yes |
Connectivity
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby |
| Cellular Bands | 2G GSM 1900, 2G GSM 1800, 2G GSM 850, 2G GSM 900, 3G UMTS B1, 3G UMTS B2, 3G UMTS B4, 3G UMTS B5, 3G UMTS B6, 3G UMTS B8, 3G UMTS B19, 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 B25, 4G LTE B26, 4G LTE B28B, 4G LTE B28A, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 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 n20, 5G NR n25, 5G NR n28b, 5G NR n28a, 5G NR n38, 5G NR n41, 5G NR n77, 5G NR n78 | 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, 3G UMTS B1, 3G UMTS B2, 3G UMTS B3, 3G UMTS B5, 3G UMTS B8, 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 B28B, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 |
| Cellular Technologies | GSM, UMTS, LTE, 5G Best value | GSM, HSPA, LTE |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) Best value | 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, MIMO |
| Bluetooth Version | Bluetooth 5.4 Best value | Bluetooth 5.3 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, QZSS, Galileo, NavIC Best value | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| Connectivity Features | 3.5 mm Audio Jack, Computer Sync, NFC, OTA Sync, FM Radio, Tethering, VoLTE, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, USB Type-C | Infrared, NFC, USB Charging, USB Mass Storage, USB Host 2.0, USB OTG, USB Type-C, Computer Sync, OTA Sync, Tethering, VoLTE, USB 2.0 |
| USB Version | — | USB 2.0 |
| SAR (EU) head | — | 0.98 W/kg |
| SAR (EU) body | — | 0.96 W/kg |
| Max. download speed | — | 650 Mbps |
| Max. upload speed | — | 150 Mbps |
Audio
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Audio Features | Stereo Speakers, A2DP, LE | Stereo Speakers, Dolby Atmos, Hi-Res Audio, A2DP, LE |
Technical
| Specification | F115 Ultra | Redmi Note 15 4G |
|---|---|---|
| Launch price | — | 199.99 € |
| Model numbers | — | 2510DRA23E, 2510DRA23G |
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