Detailed comparison and review of OPPO A37 and Ulefone Armor X3. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | OPPO A37 | Ulefone Armor X3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch - Rugged | |
| Height | 143.1 mm | 158 mm | Ulefone Armor X3 has greater height than OPPO A37. |
| Width | 71 mm | 77.5 mm | Ulefone Armor X3 has greater width than OPPO A37. |
| Depth | 7.7 mm | 13.85 mm | OPPO A37 is narrower than OPPO A37. |
| Weight | 136 g | 235 g | OPPO A37 is lighter than OPPO A37. |
| Body Colour | Gold | Silver | |
| Body Material | - | Aluminium alloy, thermoplastic polyurethane (TPU) | |
| Protection | - | Dustproof, waterproof, drop-proof, splash-resistant | |
| Waterproof (Water-resistant) | - | Yes | Ulefone Armor X3 is waterproof. |
| IP rating | - | IP68, IP69K, IP69 | |
| SAR Value | - | 0.356 W/kg (body), 0.186 W/kg (head) | |
| Integrated Components | FM radio | - | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | - | Nano SIM + nano SIM/microSD |
| DISPLAY | OPPO A37 | Ulefone Armor X3 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | IPS | IPS | |
| Screen Size (Display Size) | 5" | 5.5" | Ulefone Armor X3 has larger screen size than OPPO A37. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 1440 x 720 pixels | Ulefone Armor X3 has better screen resolution than OPPO A37. |
| Display Format | HD | HD+ | |
| Pixel Density | 294 ppi | 293 ppi | OPPO A37 has better pixel density than Ulefone Armor X3. |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | OPPO A37 | Ulefone Armor X3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 410 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6580 | |
| Clock Speed | 1.2 GHz | 1.3 GHz | Ulefone Armor X3 has higher clock speed than OPPO A37. |
| Processor Core Qty | Quad-core | Quad-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 306 | - |
| MEMORY | OPPO A37 | Ulefone Armor X3 |
|---|
| RAM | 2 GB | 2 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 32 GB | Ulefone Armor X3 has more internal memory than OPPO A37. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 128 GB |
| CAMERA | OPPO A37 | Ulefone Armor X3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 8 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.0 | F/1.8 | Ulefone Armor X3 has better lens aperture than OPPO A37. |
| Lens Construction | - | 5-element | |
| Focus Adjustment | Automatic, manual | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Underwater mode | |
| Face Recognition (Face ID) | Face detection | - | OPPO A37 has face detection. |
| Light Source | LED light | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 5 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.4 | F/2.0 | Ulefone Armor X3 has better front lens aperture than OPPO A37. |
| Lens Element Qty (Front) | - | 4-element |
| BATTERY AND CHARGING | OPPO A37 | Ulefone Armor X3 |
|---|
| Battery Capacity (Battery Size) | 2630 mAh | 5000 mAh | Ulefone Armor X3 has larger battery capacity than OPPO A37. |
|---|---|---|---|
| Standby Time | - | 440 hours | |
| Talk Time | - | 1500 minutes | |
| Run Time Details | - | Talk: up to 1500 min Standby: up to 440 hrs Playback (Music): up to 34 hrs Playback (video): up to 9 hrs |
|
| Battery Technology | Lithium Ion | Lithium polymer |
| CELLULAR | OPPO A37 | Ulefone Armor X3 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | OPPO A37 has more advanced generation mobile network. |
| Operating System | ColorOS 3.0 (based on Android 5.1) | Android 9.0 Pie | |
| Navigation | GPS, A-GPS | GPS |
| COMMUNICATIONS | OPPO A37 | Ulefone Armor X3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | |
|---|---|---|---|
| 2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.0 | |
| Bluetooth Profiles | A2DP | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO A37 | Ulefone Armor X3 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | AAC, AMR, MP3, FLAC | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MPEG-4, 3GP |
| FEATURES | OPPO A37 | Ulefone Armor X3 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass | Accelerometer, digital compass, L-sensor, P-sensor | |
| Security Devices | - | Face recognition | |
| Additional Phone Features | - | Face Unlock, Glove mode, customised button |
| OTHERS | OPPO A37 | Ulefone Armor X3 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, tempered glass screen protector | |
|---|---|---|---|
| Compliant Standards | - | MIL-STD 810G, IP68, IP69K | |
| Max Depth of Water Resistance | - | 1.5 m | |
| Max Operating Temperature | - | 60 °C | |
| Min Operating Temperature | - | -20 °C |
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