In depth comparison and review of Xiaomi Redmi Note 4x and UMIDIGI F1. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 151 mm | 156.9 mm | UMIDIGI F1 has greater height than Xiaomi Redmi Note 4x. |
| Width | 76 mm | 74.3 mm | Xiaomi Redmi Note 4x has greater width than UMIDIGI F1. |
| Depth | 8.45 mm | 8.8 mm | Xiaomi Redmi Note 4x is narrower than Xiaomi Redmi Note 4x. |
| Weight | 165 g | 186 g | Xiaomi Redmi Note 4x is lighter than Xiaomi Redmi Note 4x. |
| Body Colour | Platinum silver grey | Black | |
| Body Material | Metal | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.674 W/kg (body), 0.724 W/kg (head) | - | |
| Integrated Components | - | FM radio | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Display Technology | - | LTPS | |
| Screen Size (Display Size) | 5.5" | 6.3" | UMIDIGI F1 has larger screen size than Xiaomi Redmi Note 4x. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | UMIDIGI F1 has better screen resolution than Xiaomi Redmi Note 4x. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 403 ppi | 409 ppi | UMIDIGI F1 has better pixel density than Xiaomi Redmi Note 4x. |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | 450 cd/m² | - | |
| Contrast Ratio | 1000:1 | - | |
| Display Features | 2.5D Glass, Eye protection mode, Colour temperature adjustment | In-Cell Display Technology, Reading mode, Colour temperature adjustment |
| PROCESSOR | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 625 | MediaTek Helio P60 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2 GHz | Both phones have the same clock speed. |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | - | Yes | UMIDIGI F1 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Mali G72 MP3 |
| MEMORY | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| RAM | 3 GB | LPDDR4X SDRAM - 4 GB | UMIDIGI F1 has more RAM than Xiaomi Redmi Note 4x. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 128 GB | UMIDIGI F1 has more internal memory than Xiaomi Redmi Note 4x. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 16 Megapixel | UMIDIGI F1 has better camera resolution than Xiaomi Redmi Note 4x. |
| Sensor Size | - | 1/2.8" | |
| Lens Aperture | F/2.0 | F/1.7 | UMIDIGI F1 has better lens aperture than Xiaomi Redmi Note 4x. |
| Lens Construction | 5-element | 6-element | |
| Pixel Size | - | 1.12 μm | |
| Focus Adjustment | Automatic | - | |
| Special Effects | HDR | - | |
| Camera Modes | Burst mode, Panorama, low-light shots | - | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Light Source | Dual LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p), 1280 x 720 (720p), Slo-mo video 1280 x 720 (720p) at 120 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | Real-time photo filters |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 16 Megapixel | UMIDIGI F1 has better front camera resolution than Xiaomi Redmi Note 4x. |
| Lens Type (Front) | Wide-angle lens | - | |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Lens Element Qty (Front) | - | 5-element | |
| Camera Modes (Front) | Real time beauty mode, Beautify with 36 smart beauty profiles | - | |
| Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
| Camera Features (Front) | Selfie countdown | Selfie countdown |
| BATTERY AND CHARGING | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| Battery Capacity (Battery Size) | 4100 mAh | 5150 mAh | UMIDIGI F1 has larger battery capacity than Xiaomi Redmi Note 4x. |
|---|---|---|---|
| Standby Time | 264 hours | - | |
| Talk Time | 3060 minutes | - | |
| Run Time Details | Talk (2G): up to 3060 min Playback (video): up to 18 hrs Gaming: up to 15 hrs Standby (4G): up to 264 hrs Playback (audio): up to 162 hrs Reading: up to 22 hrs |
- |
| CELLULAR | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | - | Android 9.0 Pie | |
| User Interface | MIUI 8 | - | |
| Payment Technology | - | Google Pay | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
| 3G UMTS Band | Band 1, Band 2, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | Infrared (IrDA), IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 4.2 | |
| Bluetooth Profiles | HID | HID | |
| NFC | - | Yes | UMIDIGI F1 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB | WAV, AAC, PCM, MP3, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | MKV, XviD, M4V, MPEG4-ASP, MPEG-4 SP, H.264 BP, H.264 MP, H.264 HP, MP4 |
| FEATURES | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, gyro sensor, hall sensor, distance sensor | Accelerometer, digital compass, gyro sensor, geomagnetic sensor, L-sensor, P-sensor | |
| Security Devices | - | Face recognition, fingerprint reader | |
| Additional Phone Features | Infrared remote control | Dual microphones, Fast Charging |
| OTHERS | Xiaomi Redmi Note 4x | UMIDIGI F1 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | Power adapter, SIM card removal tool, USB-C cable, screen protector (pre-applied), protective case |
|---|
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